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Tag: Enhance Oil Recovery

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Rheological Interactions Between Barium and Sulfate Ions in HPG Fracturing Fluids: New Insights from the Use of Produced Water

Perbandingan pengaruh ion barium (Ba²⁺) dan sulfat (SO₄²⁻) terhadap viskositas fracturing fluid berbasis hydroxypropyl guar (HPG), menunjukkan peningkatan viskositas hingga 30% akibat konsentrasi 150 ppm barium dalam produced water.
Figure 1. Barium and sulfate in produced water exhibit different effects on performance of fracturing fluid.

Utilization of produced water as an alternative in fracturing fluid formulation is gaining increasing attention in the oil and gas industry, particularly amid limited freshwater availability in the field. However, the complexity of the chemical composition of produced water, especially the presence of monovalent and divalent ions, can significantly affect the rheological properties of the fluid, including viscosity, which is a key parameter in the success of hydraulic fracturing. Therefore, a deeper understanding of ion–polymer interactions becomes crucial in designing fracturing fluid which is optimal and applicable.

This study reviews the results of recent research on the effects of barium and sulfate ions on hydroxypropyl guar (HPG)-based fracturing fluid , as well as their implications for the use of produced water in the field.

Utilization of Produced Water in Fracturing Fluid: Challenges and Opportunities

The use of produced water offers advantages in terms of availability and cost efficiency. However, its complex ionic composition can affect the stability and performance of fracturing fluid. Dissolved ions, both monovalent and divalent, are known to play a role in determining fluid viscosity and flow behavior, and therefore require further investigation.

Research Objective: Understanding the Role of Ions in Performance Fracturing Fluids

This study aims to evaluate the effect of divalent ions, particularly barium (Ba²⁺) and sulfate (SO₄²⁻), on the viscosity of HPG-based fracturing fluid . In addition, this study also aims to understand how these ions influence the rheological behavior of the fluid under various operating conditions.

Testing Methodology: Evaluation of HPG Fluid Rheology under Various Conditions

The testing was conducted experimentally using HPG solutions with varying concentrations of barium and sulfate ions. The main parameter observed was fluid viscosity under different shear rate and temperature conditions.

In general, the testing includes:

  • The addition of BaCl₂ and Na₂SO₄ ions up to a concentration of 150 ppm
  • Viscosity measurement using a rheometer at several shear rate
  • Evaluation at 25°C (surface conditions) and 70°C (reservoir conditions)
  • Analysis of polymer hydration time and fluid residue testing

This approach is used to represent actual field conditions.

Figure 2. The addition of 150 ppm Ba²⁺ can increase HPG viscosity by up to ~30% under low-temperature conditions.

Results and Discussion: The Impact of Barium and Sulfate Ions on Viscosity

The results show that the ionic content in produced water has different effects on the rheological properties of fracturing fluid:
Barium Ion (Ba²⁺)
At a concentration of 150 ppm, barium can increase fluid viscosity by approximately 30% at 25°C. However, at 70°C, this effect becomes less significant.
Sulfate Ion (SO₄²⁻)
Sulfate shows a relatively small effect on viscosity, with an increase of around 7% at low temperature, and no significant effect at higher temperatures.
Fluid Rheological Behavior
The fluid exhibits shear thinningbehavior, where viscosity decreases as increasing shear rate.
Fluid Residue
The presence of barium and sulfate ions increases residue levels, but they remain within industry standard limits.

Figure 3. Barium significantly increases viscosity, while sulfate has a minimal effect. However, this effect weakens as temperature increases.

Conclusion: Implications for Fracturing Fluid Design in the Field

This study shows that barium ions have a more significant effect than sulfate ions in increasing the viscosity of HPG-based fracturing fluid , particularly at low temperatures. Meanwhile, the influence of both ions tends to decrease at higher temperatures.

These findings highlight the importance of characterizing ionic composition in produced water as part of the fracturing fluiddesign process to ensure optimal performance under reservoir conditions.

Figure 4. Fluid performance is determined by ion composition, temperature, and flow conditions.

Access to the Published Paper

To gain a deeper understanding of this study, you can access the full publication through the following link: 👉 click here.

Research and Industry Collaboration

OGRINDO ITB and the EOR Laboratory ITB remain committed to supporting the development of Enhanced Oil Recovery technologies based on research and industry needs. If you are interested in discussion or exploring collaboration opportunities, please contact us through:
📩 info@ogrindoitb.com
📩 eor@itb.ac.id

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Meet Our Team: Dr. Prasandi Abdul Aziz, S.Si., M.T. — Senior Researcher at OGRINDO ITB

Foto resmi Dr. Prasandi Abdul Aziz, S.Si., M.T., senior researcher di Ogrindo ITB mengenakan jas formal dengan latar design grafis biru

OGRINDO ITB is supported by a team of researchers with strong academic backgrounds and industry experience. One of them is Dr. Prasandi Abdul Aziz, S.Si., M.T., Senior Researcher with expertise in reservoir engineering and petroleum economic evaluation.

Figure 1. Involvement in professional collaboration as part of capacity building and knowledge exchange in the oil and gas industry.

Educational Background and Analytical-Based Expertise

Dr. Prasandi completed his Bachelor’s degree in Mathematics from Institut Teknologi Bandung (ITB) in 2011. He then continued his Master’s (2014) and Doctoral (2025) studies in Petroleum Engineering at ITB.

His research topic focuses on optimizing the direction and length of horizontal wells using a genetic algorithm approach by considering geomechanical aspects and drainage area. This background has developed strong competencies in analytical approaches and modeling for reservoir studies.

Professional Experience in Reservoir, Production, and Economic Evaluation

Dr. Prasandi has extensive professional experience through his involvement in various projects at LAPI ITB, covering roles as Reservoir Engineer, Production Engineer, to Petroleum Economist.

Some of the work he has handled includes reservoir simulation studies, reserve evaluation, production performance analysis, and economic assessment of oil and gas blocks. He has also been involved in various projects with SKK Migas, including resource and reserve evaluation activities as well as studies on enhanced oil recovery.

In addition, since 2018 he has been active as a lecturer in the Petroleum Engineering Study Program at ITB.

Figure 2. Dr. Prasandi’s involvement in technical discussions and professional collaboration activities.

Contributions in Research and Scientific Publications

Dr. Prasandi is also active in scientific publications related to field development optimization, reservoir engineering, and petroleum economic evaluation.

Some of his research discusses topics such as horizontal well optimization, the combination of genetic algorithms and artificial neural network, as well as economic evaluation of oil and gas projects and the potential of CO₂-EOR in Indonesia. This contribution reflects his involvement in developing data-driven methods to support decision-making in the industry.

Figure 3. Dr. Prasandi Abdul Aziz as an instructor in the “Petroleum Economics & Risk Analysis”.

Role at OGRINDO ITB

As a Senior Researcher at OGRINDO ITB, Dr. Prasandi plays a role in conducting technical studies related to reservoirs and oil and gas project evaluation.

With his cross-functional experience, he supports research activities that integrate technical and economic aspects, and contributes to the preparation of studies relevant to industry needs.

Figure 4. Dr. Prasandi’s involvement in academic and professional forums as part of the synergy between educational institutions, research, and the energy industry.

📩 Interested in collaborating with OGRINDO ITB?

OGRINDO ITB welcomes collaboration opportunities in reservoir studies, field evaluation, as well as technical and economic analysis in the upstream oil and gas sector.

📩 Email: info@ogrindoitb.com

We are ready to discuss how we can support your research and development needs.

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Training HPLC – RID Part 2: Hands-on System Operation and Polymer Sample Analysis

Dokumentasi peserta dan tim Training HPLC–RID Part 2 di Laboratorium EOR ITB yang menampilkan kegiatan analisis polimer menggunakan HPLC Refractive Index Detector untuk aplikasi EOR

Analysis using High Performance Liquid Chromatography (HPLC) with Refractive Index Detector (RID) is one of the important methods in the characterization of chemical EOR such as surfactants and polymers, particularly to support research needs and application of Enhanced Oil Recovery (EOR). Mastery of this method requires not only theoretical understanding but also the ability to operate the instrument and interpret data accurately. Therefore, OGRINDO ITB together with the EOR Laboratory ITB conducted Training HPLC–RID Part 2, which focuses on hands-on practice and comprehensive system operation, including method setup, system operation, and troubleshooting during testing.

Figure 1. HPLC–RID Part 2 training with PT. Berca Niaga Medika and the EOR Laboratory ITB and OGRINDO ITB team.

Hands-on Operation and System Setup of HPLC–RID

Mastery of the instrument does not stop at understanding theory—but at the ability to operate the system directly and interpret its response in real-time.

In this session, the training focused on hands-on operation of the HPLC–RID system comprehensively. Participants started from the initial stage of instrument operation to the analysis running process, emphasizing systematic and safe working procedures.

Figure 2. Hands-on operation of the HPLC–RID by participants, including sample preparation and injection process.

The activities began with:

  • Procedures for turning on the instrument according to the operational sequence
  • Ensuring the system is in a ready condition
  • Recognizing indicators on the software and instrument as signs that the system has started running

Next, participants performed:

  • Checking system readiness before analysis
  • Setting up methods in the software, both for acquisition and data processing
  • Adjusting important parameters such as baseline, retention time, and peak integration

During this process, participants also directly observed the system response to each parameter setting. This is important to understand how parameter changes can affect the resulting chromatogram.

In addition, the training also emphasized conditions that commonly occur during testing, such as unstable baseline yang tidak stabil, noise , or poorly detected peaks. Participants were guided to recognize these symptoms and understand initial handling steps so that the analysis process can continue properly.

This hands-on approach is key to building participants’ confidence in independently operating the HPLC–RID system in a laboratory environment.

Figure 3. Method setup and data analysis process using HPLC software for chromatogram acquisition and interpretation.
Figure 4. Discussion session and direct observation of the HPLC–RID system to understand operational conditions and instrument response.

Hands-on Polymer Sample Analysis

After understanding system operation and method setup, participants then directly applied this knowledge through polymer sample testing to evaluate system performance.

As the main part of the training, polymer samples were tested with several concentration variations to evaluate the RID detector response and the consistency of the analytical method used.

The chromatogram results show that the polymer peak is consistently detected at a retention time of approximately 6.6 – 6.9 minutes, indicating stable system conditions during the analysis.

In addition, an increasing trend in peak area is observed with increasing sample concentration, indicating that the detector response is proportional to the amount of sample tested.
Summary of Polymer Test Results
60 ppm | RT: 6,898 menit | Area: 9.950
80 ppm | RT: 6,910 menit | Area: 12.414
100 ppm | RT: 6,677 menit | Area: 15.431

Figure 5. Chromatogram of HPLC–RID analysis of polymer sample (60 ppm) showing the main peak at a retention time of approximately 6.898 minutes.
Figure 6. Chromatogram of HPLC–RID analysis of polymer sample (80 ppm) showing the main peak at a retention time of approximately 6.910 minutes.

Brief Analysis of Test Results

The test results show that the method used has provided consistent and reliable responses. The relatively stable retention time at each concentration variation indicates that the system conditions were well maintained during the analysis.

On the other hand, the increase in area values in line with concentration indicates that the RID detector is capable of providing a proportional response to the amount of polymer analyzed. This indicates that the method has good potential for use in quantitative analysis.

However, at this stage, a calibration curve has not yet been applied, so the results obtained are still indicative and have not been used for absolute quantification.

Enhancement of Laboratory Analytical Competence

Through this hands-on session, participants gained practical experience in conducting HPLC–RID analysis comprehensively, from system operation to interpretation of test results. Participants also learned to understand the relationship between method parameters, instrument conditions, and the quality of the resulting chromatogram.

This approach not only improves technical skills but also builds analytical capabilities required in research and laboratory testing activities.

Conclusion

Training HPLC–RID Part 2 provides a comprehensive understanding of system operation and polymer sample analysis through hands-on practice. With a combination of instrument mastery, method understanding, and data interpretation, this training is expected to improve analysis quality and human resource readiness in supporting industrial and research needs, particularly in the EOR field.

Interested in Collaborating?

OGRINDO ITB and the EOR Laboratory ITB open opportunities for collaboration in the form of training, research, and laboratory analysis services that can be tailored to the needs of industry and academia.

For more information, please contact:
📧 OGRINDO ITB: info@ogrindoitb.com
📧 Laboratorium EOR ITB: eor@itb.ac.id

Enhance your analytical capabilities with us through research-driven training and best-practice collaboration.

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Analysis of Surfactant Flooding Performance through Capillary Number Using a Modified Micromodel

Presentasi penelitian mengenai analisis kinerja surfactant flooding menggunakan pendekatan modified micromodel pada Simposium IATMI 2022, sebagai bagian dari studi Chemical Enhanced Oil Recovery (EOR) untuk memahami hubungan antara capillary number dan residual oil saturation.

Surfactant flooding is one of the Chemical Enhanced Oil Recovery (EOR) methods that plays an important role in increasing oil recovery by reducing interfacial tension (IFT) and mobilizing oil trapped within the pores of reservoir rock. This study evaluates the performance of two commercial surfactants through the analysis of the relationship between capillary number and residual oil saturation using a modified transparent micromodel approach combined withigital image analysis. This approach provides a deeper understanding of fluid displacement dynamics in porous media during the surfactant flooding.

Figure 1. Presentation of research results on surfactant flooding performance at the IATMI Symposium 2022.

Research Background and Objectives

Surfactant flooding has long been developed as one of the Chemical EOR methods that is effective in improving oil mobility within the reservoir. By reducing the interfacial tension between oil and water, surfactants allow oil that was previously trapped within rock pores to be more easily mobilized and produced.

In laboratory studies, surfactant flooding performance is often analyzed using the Capillary Desaturation Curve (CDC), which describes the relationship between changes in residual oil saturation and capillary number. Capillary number itself is the ratio between viscous forces—which are influenced by fluid viscosity and injection rate—and capillary forces, which are influenced by the interfacial tension between two immiscible fluids.

This study aims to evaluate the performance of two commercial surfactants by analyzing how changes in the capillary number can affect the reduction of residual oil saturation. To increase the capillary number, the value of interfacial tension between surfactants and crude oil was modified until reaching the ultra-low IFT condition, allowing the capillary number to increase by three to five orders of magnitude.

Figure 2. Presentation of research on the evaluation of surfactant flooding performance using a modified micromodel , discussing the relationship between capillary number and residual oil saturation in a Chemical EOR.

Experimental Approach Using a Modified Micromodel

This study uses a transparent modified micromodel that enables direct visualization of fluid movement in porous media. This approach provides a clearer picture of the oil displacement process during surfactant injection.

To represent reservoir conditions more realistically, the micromodel was modified by adding quartz and cement, allowing fluid–rock interactions to be observed more representatively. The experimental process was then analyzed using Digital Image Analysis (DIA) to calculate important parameters such as initial oil saturation, residual oil saturation, water saturation, and surfactant saturation quantitatively.

This study consists of two main testing stages: a static test to evaluate fluid compatibility through CMC–IFT testing, and a dynamic test using the micromodel to directly observe the surfactant flooding process within porous media.

Figure 3. Example of a modified transparent micromodel used in the study to visualize fluid movement in porous media during the surfactant flooding.

Research Results and Insights

The results of the study show that the reduction of interfacial tension between the surfactant solution and crude oil directly influences the reduction of residual oil saturation, which ultimately increases oil recovery.

However, the study also shows that the lowest interfacial tension does not always result in the highest oil recovery . This finding provides an important perspective that an increase in capillary number at a certain level is sufficient to improve oil mobilization, without always having to reach the condition of ultra-low IFT.

The approach using a modified micromodel also demonstrates significant potential as an experimental method that is simpler, faster, and more cost-efficient compared to conventional methods such as coreflood test, while still being able to provide detailed insights into fluid–rock interactions at the pore scale.

Figure 4. Award presentation at the IATMI Symposium 2022 for contributions to a professional technical paper discussing the analysis of surfactant flooding using a micromodel experiment.

Publication Access and Research Collaboration

This article summarizes the key points of the scientific publication that can be accessed in full through the Publications di website page on the OGRINDO ITB website.
🔗 Read the full publication here

OGRINDO ITB actively develops various research initiatives in reservoir engineering, enhanced oil recovery, dan teknologi subsurface technology to support the needs of the energy industry.

Interested in Collaboration?

📩 Interested in discussing or exploring research collaboration in the field of Chemical EOR?
We welcome opportunities to collaborate with industry partners, research institutions, and academic communities.
Email: info@ogrindoitb.com

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Training HPLC – RID Part 1: System Introduction for Precise Analysis

Training HPLC–RID di Laboratorium EOR ITB bersama PT. Berca Niaga Medika yang membahas pengenalan sistem HPLC 1260, diskusi teknis, serta tips operasional untuk analisis kromatografi yang presisi.

In an effort to maintain accurate, precise, and reproducibleanalytical quality standards, OGRINDO ITB and the EOR Laboratory ITB organized an HPLC–RID Training in collaboration with PT. Berca Niaga Medika. This activity aims to strengthen the team's understanding of the High Performance Liquid Chromatography (HPLC) system with a Refractive Index Detector (RID), ensuring optimal instrument operation and generating reliable data to support research and applications of Chemical EOR.

Figure 1. Technical discussion session during the HPLC–RID Training with the team from PT. Berca Niaga Medika at the EOR Laboratory ITB.
Figure 2. Training participants enthusiastically taking part in the discussion and introduction session of the HPLC–RID system at the EOR Laboratory ITB.

HPLC 1260 – RID System at the EOR Laboratory ITB

The EOR Laboratory ITB utilizes an HPLC type 1260 equipped with an RID detector system and a manual injector. This configuration is highly suitable for analyzing compounds such as polymers and surfactants, particularly in studies of chemical adsorption onto rock, detection and quantification of polymers and surfactants in monitoring wells, as well as evaluation of injection performance in Chemical EOR schemes. Understanding each component is key to maintaining system stability and ensuring the quality of analytical results.

Figure 3. The instructor explaining the configuration and main components of the HPLC–RID system used in the sample analysis process.

Main Components and Their Functions

  1. Mobile Phase Reservoir
    A container used to store the solvent (mobile phase) that will flow through the system. The quality and cleanliness of the mobile phase greatly determine pressure stability and the baseline chromatogram.
  2. Isocratic Pump
    The system used is isocratic, meaning it uses a single, constant mobile phase composition throughout the analysis. In contrast, gradient systems allow changes in the composition of 2–4 solvents through softwarecontrol, isocratic systems are simpler and more stable for routine methods with relatively consistent sample matrices.
  3. Manual Injector
    The injection process is carried out manually using a 20 µL loop and a precision syringe (typically 50 µL) to ensure consistent injection volume and repeatability maintain.
  4. HPLC Column
    The column is the core of the separation process. The column compartment is equipped with a heater with temperatures up to 85°C to maintain temperature stability and consistency retention time.
  5. Refractive Index Detector (RID)
    RID operates based on differences in refractive index between the mobile phase and sample components. This detector is highly sensitive to temperature changes, solvent composition, and the presence of air bubbles, making system stability a crucial factor.
Figure 4. Demonstration of the sample injection process using a syringe in the system of manual injector HPLC.
Figure 5. Internal view of the HPLC system showing the flow path of the mobile phase toward the column and detector.

System Stability Begins with the Mobile Phase

One of the main topics discussed during the training was the importance of ensuring that the mobile phase is free from air bubbles (bubble).

Indications that the System Contains Bubble:

  • Pressure graph fluctuates abnormally
  • Baseline unstable
  • Changes in retention time compared to previous methods

To prevent these issues:

  • The mobile phase must be filtered and sonicated (degassing).
  • The system should first be run with water before switching to the main mobile phase to ensure no air is trapped in the flow path.
  • If bubbleare detected, remove the air until the pressure becomes stable before starting the analysis.
Figure 6. Detailed view of tubing connections and flow paths in the HPLC system that require stable pressure and must be free of air bubbles.

Purging Pump: A Mandatory Step Before Analysis

Purging is performed to remove air from the system. The general purging procedure is as follows:

  • Run the mobile phase with flow rate ±2 mL/min for approximately ±2 minutes.
  • If the pressure is still unstable or bubble are present, the flow rate can be increased up to 4 mL/min (maximum 5 mL/min according to system limits).
  • The process continues until the pressure stabilizes.
  • The duration of purging depends on the system condition.
Figure 7. The HPLC instrument software interface used to monitor system conditions and record chromatogram data during the analysis process.

Maintaining Column Performance and Data Accuracy

Several best practice emphasized during the training:

  • Use a mobile phase that is clear and free from turbidity
  • Avoid excessively high viscosity, as it can increase system pressure.
  • High viscosity over time can accelerate column saturation.
  • Stabilize column temperature to maintain consistency of retention time.
  • Perform gradual flushing when changing solvents with different characteristics.

In the early stages, the system may still show good results. However, without proper procedures, column performance may gradually decline and affect the validity of analytical data.

Figure 8. Explanation of method settings and monitoring of HPLC analysis parameters through the instrument software system.

Building a Culture of Precise Analysis

Training not only focuses on how to operate the instrument but also builds a comprehensive understanding of working principles, potential operational risks, and the importance of standard procedures in maintaining data integrity.
With well-maintained systems and proper procedures, HPLC–RID becomes a strategic instrument in supporting polymer and surfactant analysis for the successful implementation of Chemical EOR.

Figure 9. Group photo of participants and the instructor after the HPLC–RID instrument operation practice session.

Interested in Collaborating?

OGRINDO ITB and the EOR Laboratory ITB open opportunities for research collaboration, laboratory testing, and analytical method development for both industrial and academic needs.
📩 Contact us:
info@ogrindoitb.com
eor@itb.ac.id
Let us achieve more precise analysis, more stable systems, and more reliable data to support sustainable energy innovation.

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Final Presentation Internship Lab EOR ITB: Strengthening Chemical Enhanced Oil Recovery Competencies

Final Presentation Internship Lab EOR ITB di Gedung Energi ITB, peserta mempresentasikan hasil studi Chemical Enhanced Oil Recovery (EOR) meliputi surfaktan, polimer, dan ASP sebagai bagian dari program hybrid dua bulan.

Monday, February 2, 2026 marked an important milestone for the participants of the Internship Program at the EOR Laboratory ITB who had completed a series of intensive learning activities over the past two months. Final Presentation session held in the Meeting Room of Lab EOR ITB, Energy Building 7th Floor ITB, served as the official closing of the program as well as a reflection on the in-depth study process in the field of Chemical Enhanced Oil Recovery (EOR).

Figure 1. Participants presented a comprehensive evaluation covering laboratory test design, data interpretation, and the development of workflow implementation for Chemical EOR.

This internship program was designed under a hybrid scheme for two months, consisting of one month onsite at the EOR Laboratory ITB and one month offsite (online). This approach provided a balance between hands-on laboratory experience and conceptual deepening, technical discussions, as well as independent literature studies.

Comprehensive Study of Chemical EOR

During the program, participants explored three main components in the implementation of Chemical namely surfactants, polymers, and the ASP (Alkali–Surfactant–Polymer).

In the surfactant study, participants learned about the mechanism of interfacial tension (IFT) reduction between oil and water to enhance the mobilization of trapped oil within reservoir rock pores. This understanding becomes key to improving oil recovery efficiency in the later stages of production.

Figure 2. Participants presented a comprehensive analysis related to polymer mechanisms, adsorption behavior, and Chemical EOR implementation strategies at the field scale.

In the polymer study, the focus was placed on increasing the viscosity of the injection fluid to improve the mobility ratio and enhance sweep efficiency. The analysis of rheological characteristics and polymer stability became an essential part of evaluating the performance of the chemical injection system.

Meanwhile, in the ASP system, participants studied the integration of alkali, surfactant, and polymer as a combined approach aimed at increasing oil recovery through the synergy of mutually supportive chemical mechanisms.

Figure 3. Viscosity analysis, shearsensitivity, and reservoir compatibility as key parameters in the design of polymer flooding.

Through the final presentation session, participants presented the results of their analysis, conceptual understanding, and the applicative implications of the studies conducted. This presentation demonstrated their ability to integrate theory, laboratory practice, and field implementation relevance.

Figure 4. An active discussion session between participants, researchers, and supervisors in examining the practical challenges of Chemical EOR implementation.

Strengthening EOR Talent Competencies and Academic–Industry Integration

The Final Presentation activity demonstrated how collaboration between research institutions and academic programs can produce talent ready to enter both research and the petroleum industry. The hybrid learning scheme provided flexibility while ensuring in-depth technical understanding aligned with current energy industry needs.

Figure 5. Appreciation for the dedication, analytical rigor, and technical contributions of participants throughout the Chemical EOR competency strengthening program.

The active participation of the interns during the presentation session reflected their ability to translate fundamental scientific principles and advanced engineering concepts into applicable technical solutions within the context of Chemical EOR. Their in-depth understanding of surfactant mechanisms, polymer characteristics for mobility control, and ASP system integration demonstrated their readiness to comprehend the complexity of modern reservoir challenges.

This program not only focused on theoretical mastery, but also emphasized practical relevance to real industry challenges, particularly in efforts to enhance production in maturereservoirs. This initiative further strengthens a collaborative learning ecosystem that bridges academia with the professional competency needs of the energy sector.

Through this program, Lab EOR ITB together with OGRINDO ITB reaffirmed their role as a center for capacity building and talent strengthening in the field of Chemical EOR, ready to contribute to the oil and gas industry and the national energy sector.

Figure 6. A milestone affirming the readiness of young talent in supporting the development and implementation of Chemical EOR technology.

Interested in Collaborating or Joining the Next Program?

The Lab EOR ITB Internship Program is part of a continuous commitment to competency development and the strengthening of a science-driven and industry-oriented energy research ecosystem.

For further information regarding:

  • The next internship program
  • Chemical EOR research collaboration
  • Laboratory testing and evaluation
  • Training and capacity development programs

Please contact:

📧Laboratorium EOR ITB: eor@itb.ac.id

📧OGRINDO ITB: info@ogrindoitb.com

We are open to academic collaboration, industry research partnerships, and talent development initiatives in the field of subsurface and technology of Enhanced Oil Recovery.

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PEM Akamigas Student Study Excursion at the EOR ITB Laboratory

Mahasiswa PEM Akamigas saat melaksanakan studi ekskursi di Laboratorium EOR ITB dalam rangka pembelajaran Enhanced Oil Recovery dan evaluasi formasi.

Students from the Polytechnic of Energy and Mineral (PEM) Akamigas carried out a study excursion to the Petrophysics Laboratory and the Enhanced Oil Recovery (EOR) Laboratory of Institut Teknologi Bandung on January 27, 2026. This activity was part of the learning program for the Even Semester of the 2025/2026 Academic Year and aimed to provide direct experience in the application of petroleum engineering and technology subsurface.

Figure 1. PEM Akamigas students participating in the study excursion activities at the EOR ITB Laboratory.

Background of the Activity

The Polytechnic of Energy and Mineral (PEM) Akamigas is a vocational higher education institution in the field of energy, oil, and gas under the Ministry of Energy and Mineral Resources. One of the programs offered is the Diploma IV Program in Oil and Gas Production Engineering.

As part of the academic agenda for the Even Semester of the 2025/2026 Academic Year, PEM Akamigas conducted an academic visit in the form of a study excursion to the Petrophysics Laboratory and the Enhanced Oil Recovery (EOR) Laboratory of Institut Teknologi Bandung. This activity served as a direct learning opportunity for students to understand the application of knowledge in research activities, commercial projects, and challenges within Indonesia’s oil and gas industry.

Figure 2. Presentation session and explanation of laboratory equipment and testing procedures at the EOR ITB Laboratory.

Collaboration between OGRINDO ITB and the EOR ITB Laboratory

This academic visit was carried out through the synergy between the EOR ITB Laboratory and OGRINDO ITB as part of the subsurface research and technology development ecosystem at Institut Teknologi Bandung. This collaboration reflects a shared commitment to supporting academic activities, human resource development, and knowledge dissemination in the field of energy and petroleum engineering.

Through this collaboration, the EOR ITB Laboratory serves as a research-based learning facility, while OGRINDO ITB supports the integration of laboratory activities with applied research contexts and broader scientific development.

Figure 3. Interactive discussion between students and the laboratory team regarding the application of Enhanced Oil Recovery.

Implementation of the Academic Visit

The academic visit was attended by students of the Oil and Gas Production Engineering Program at PEM Akamigas who were enrolled in the Practical Enhanced Oil Recovery and Practical Formation Evaluation courses. A total of 59 students, accompanied by supervising lecturers, participated in the series of activities conducted at the EOR ITB Laboratory.

During the visit, students received explanations regarding laboratory facilities, testing activities, and an overview of research and technology development, particularly in the analysis of rock physical properties and chemical enhanced oil recovery. Direct interaction between students and the laboratory environment became an essential part of the practice-based learning process.

Figure 4. Discussion of testing results and laboratory data interpretation with the EOR ITB team.

Date and Location of the Activity

The academic visit of PEM Akamigas students to the EOR ITB Laboratory was conducted on:
Date: January 27, 2026
Location: Enhanced Oil Recovery (EOR) Laboratory, ITB Enhanced Oil Recovery (EOR) ITB
All activities were carried out in an orderly and well-coordinated manner in accordance with the applicable laboratory regulations.

Figure 5. Group photo of PEM Akamigas students with representatives of the EOR ITB Laboratory and OGRINDO ITB in front of the Department of Petroleum Engineering Building, Institut Teknologi Bandung.

Conclusion

The implementation of this academic visit highlights the importance of collaboration between vocational education institutions and university research environments in supporting the enhancement of student competencies. The synergy between PEM Akamigas, the EOR ITB Laboratory, and OGRINDO ITB is expected to continue as part of ongoing efforts to strengthen learning, research, and technology development in the field of energy and petroleum engineering.

Bagi institusi, mitra industri, maupun pihak lain yang tertarik untuk menjalin kerja sama, berdiskusi lebih lanjut, atau memperoleh informasi terkait kegiatan riset dan fasilitas laboratorium, silakan menghubungi OGRINDO ITB melalui email info@ogrindoitb.com atau Laboratorium EOR ITB melalui email eor@itb.ac.id.

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Initiation of a Strategic Collaboration between OGRINDO ITB and the Enhanced Oil Recovery (EOR) Laboratory of ITB with China National Logging Corporation (CNLC)

Initiation of a strategic collaboration between OGRINDO ITB, the EOR Laboratory of ITB, and China National Logging Corporation (CNLC) through technical discussions and laboratory visits on chemical EOR testing and core analysis at ITB.

OGRINDO ITB, in collaboration with the Enhanced Oil Recovery (EOR) Laboratory of Institut Teknologi Bandung (ITB), has officially initiated a strategic collaboration with China National Logging Corporation (CNLC), a company specializing in oilfield services and petroleum technology. This collaboration is undertaken through a collaborative feasibility study focusing on core analysis and laboratory-based qualification testing of CNLC's chemical agent products. This initiative represents an initial step toward establishing a research and technical collaboration aimed at supporting the development of Enhanced Oil Recovery (EOR) technologies in Indonesia.

Figure 1. Initial technical discussion between the CNLC team, OGRINDO ITB, and the EOR Laboratory of ITB at ITB’s laboratory facilities.

Background of the Collaboration Initiation

CNLC has expressed its interest in conducting a technical feasibility study to evaluate the applicability, performance, and compatibility of chemical agent under representative reservoir conditions. This study is intended as part of the initial assessment stage prior to potential field implementation of the technology in Indonesia.

In this context, Institut Teknologi Bandung (ITB), through the collaboration between OGRINDO ITB and the Enhanced Oil Recovery (EOR) Laboratory of ITB, is regarded as a partner with relevant capabilities and experience in reservoir characterization, core analysis, and laboratory-scale chemical EOR testing. The selection of the most appropriate laboratory platform will be determined based on facility readiness and institutional considerations on the part of ITB.

Scope of the Collaboration Initiation

This collaboration initiative is still at an early stage, with the main scope including:

  • Initial discussions on the plan and approach for the technical feasibility study
  • Alignment of the preliminary scope of work among the parties
  • Review of laboratory capabilities and available testing procedures at ITB
Figure 2. Review of EOR laboratory facilities and equipment as part of the technical collaboration initiation.

The outcomes of this initiation stage are expected to serve as a technical foundation for the development of further collaboration, either in the form of joint research or future industrial applications.

CNLC Technical Visit to ITB

As part of the collaboration initiation process, a technical visit by the CNLC Asia Pacific team to ITB is planned for January 2026. The visit will include joint technical discussions as well as laboratory visit to directly review chemical EOR testing facilities.

Figure 3. In-depth technical discussion on feasibility study approaches and chemical EOR testing.

The visit agenda will focus on the following:

  • Initial technical discussions between CNLC and ITB
  • Discussion of laboratory testing requirements and specifications
  • Review of EOR laboratory facilities and capabilities within the ITB environment

These activities are expected to strengthen mutual understanding of the proposed study approach and ensure alignment between technical requirements and available facilities.

Figure 4. Technical presentation on testing methodologies and the capabilities of the ITB EOR Laboratory.

Role of OGRINDO ITB and the EOR Laboratory of ITB in the Collaboration

In this initiative, OGRINDO ITB and the Enhanced Oil Recovery (EOR) Laboratory of ITB collaborate in a synergistic manner, with OGRINDO ITB acting as a bridge between industry needs and research activities, while the EOR Laboratory of ITB serves as the primary executor of laboratory testing and technical evaluation. With experience in chemical EOR testing, core analysis, and supporting studies for EOR technology implementation, OGRINDO ITB is committed to supporting the technical evaluation process in an objective and data-driven manner.

Figure 5. Demonstration of EOR laboratory testing facilities to support data-driven technical evaluation.

Future Collaboration Prospects

The collaboration initiation between OGRINDO ITB, the EOR Laboratory of ITB, and CNLC reflects a shared commitment to promoting international collaboration in research and development of EOR technologies. Going forward, this collaboration is expected to evolve into broader cooperation, supporting research capacity building, knowledge transfer, and the application of EOR technologies tailored to reservoir characteristics in Indonesia.

OGRINDO ITB welcomes this initiative and hopes that the ongoing collaboration initiation process will serve as an initial step toward a productive and sustainable partnership.

Figure 6. Group photo of the CNLC team, OGRINDO ITB, and the EOR Laboratory of ITB during the initiation of the strategic collaboration.

Information and Collaboration Opportunities

OGRINDO ITB is open to research collaboration opportunities, feasibility studies, and technology development in the fields of Enhanced Oil Recovery (EOR) and reservoir characterization. For further information or collaboration inquiries, please contact:
📧 Email: info@ogrindoitb.com

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Ardhi Hakim Lumban Gaol, S.T., M.Sc., Ph.D.: Strengthening the Integration of Research, Technology, and Subsurface Implementation at OGRINDO ITB

Dr. Ardhi Hakim Lumban Gaol, Senior Researcher at OGRINDO ITB, delivering a keynote presentation at ITB Energy Summit 2025, representing the integration of subsurface research, advanced technology, and industry-driven implementation in energy transition.

Ardhi Hakim Lumban Gaol, S.T., M.Sc., Ph.D. is an academic and petroleum engineering practitioner with extensive experience in the development of integrated subsurface studi, Enhanced Oil Recovery (EOR), as well as the application of digital technologies and machine learning for oil and gas field optimization. With an international educational background and a strong professional track record, Dr. Ardhi plays an important role in bridging academic research with the needs of the national energy industry.

Figure 1. Dr. Ardhi Hakim Lumban Gaol, Ph.D. delivering a presentation at ITB Energy Summit 2025.

Educational Background

Dr. Ardhi completed his Bachelor’s degree in Petroleum Engineering at the Bandung Institute of Technology (ITB) in 2009. His strong interest in reservoir modeling and fluid flow encouraged him to pursue further studies at Texas A&M University, United States, one of the world’s leading centers in petroleum engineering. At this institution, he earned a Master of Science degree in 2012 and a Doctor of Philosophy (Ph.D.) degree in 2016.

His doctoral research focused on two-phase flow modeling in gas wells with liquid loadingissues, which was subsequently published in various reputable international journals and conferences. This academic foundation has become a strong basis for the analytical and science-based approach that he continues to apply to this day.

Academic and Scholarly Activities

Since 2013, Dr. Ardhi has been actively serving as a lecturer in the Petroleum Engineering Study Program at ITB. In his role as an educator and researcher, he has been involved in the development of strategic research in the fields of reservoir engineering, EOR, carbon capture, storage and utilization (CCS/CCUS), as well as the application of data analytics and machine learning for reservoir performance evaluation and forecasting.

In addition to research and teaching activities, Dr. Ardhi is also actively involved in academic-strategic initiatives and national energy forums. He is recorded as the Chairman of ITB Energy Summit 2025, a strategic forum that brings together academics, industry, and policymakers to discuss challenges and the direction of Indonesia’s energy transition. This role reflects his leadership capacity in orchestrating cross-sector discussions and strengthening ITB’s position as a reference for strategic thinking in the energy sector.

Figure 2. Dr. Ardhi Hakim Lumban Gaol, Ph.D., as Chairman of ITB Energy Summit 2025 delivering confirmed several strategic points:.

His active involvement in the scientific community is reflected in his membership in the Society of Petroleum Engineers (SPE) and the Society of Indonesian Petroleum Engineers (IATMI), as well as his contributions to various international scientific publications.

Figure 3. Dr. Ardhi Hakim Lumban Gaol, Ph.D. presenting plaques to stakeholders as invited speakers.

Professional Experience and Areas of Expertise

In addition to academia, Dr. Ardhi has extensive professional experience as a consultant and lead engineer in various strategic studies within the national oil and gas industry. He has led and contributed to field development optimization studies, reserves certification, design of waterflood and EOR, well integrity, and CCS/CCUS studies for various operators and institutions, including Pertamina Group, SKK Migas, INPEX, and other energy companies.

His areas of expertise include reservoir simulation, integrated EOR, subsurface data management, smart well monitoring, and the application of big data analytics and machine learning for technical decision-making. He is also proficient in various industry-standard software such as Petrel, Eclipse, Intersect, tNavigator, IPM, as well as Python and C++ programming for advanced technical model development.

Strategic Role at OGRINDO ITB

As a Senior Researcher at OGRINDO ITB, Dr. Ardhi Hakim Lumban Gaol holds a strategic role in strengthening research capacity and based on subsurface engineering. He is actively involved in the design, supervision, and evaluation of complex studies covering reservoir characterization, Enhanced Oil Recovery (EOR), CCS/CCUS studies, and the application of digital technologies for technical decision-making.

In this role, Dr. Ardhi not only contributes as a technical expert, but also serves as a research methodology advisor, quality assurance lead, and a bridge between academic approaches and practical industry needs. His extensive experience as a project leader and senior petroleum engineer in various national strategic projects adds significant value in ensuring that the solutions delivered by OGRINDO ITB are applicable, credible, and data-driven.

With a combination of academic expertise, field experience, and mastery of advanced technologies, Dr. Ardhi makes a significant contribution to supporting OGRINDO ITB’s vision as a center of excellence in petroleum engineering research and services that is oriented toward scientific excellence, industry needs, and energy sustainability.

Figure 4. Collaboration of the OGRINDO ITB team in research discussions and analysis of project bersama tim Ogrindo ITB.

Collaboration and Further Information

Through the role of Dr. Ardhi Hakim Lumban Gaol, Ph.D. as Senior Researcher at OGRINDO ITB, OGRINDO ITB continues to open opportunities for research collaboration, technical studies, and the development of innovative, science-based subsurface solutions to support the energy industry.

📩 Interested in collaborating with OGRINDO ITB?
Please contact us via email at info@ogrindoitb.com
or visit www.ogrindoitb.com for more information.

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EOR Laboratory ITB Internship Program

Kegiatan mahasiswa Program Internship Lab EOR ITB dalam pengenalan laboratorium, pengujian Enhanced Oil Recovery (EOR), diskusi kelompok, dan hands-on project sebagai bagian dari pengembangan kompetensi teknik perminyakan dan pengabdian masyarakat.

As part of its ongoing commitment to human resource development and the strengthening of the energy research ecosystem, the Enhanced Oil Recovery (EOR) Laboratory of ITB officially launched the Lab EOR ITB Internship Program for the first time. This internship program is designed as an integrated learning platform that bridges the academic world with real-world practices in a professional research laboratory.

This program is attended by four selected students from the Petroleum Engineering Study Program of UPN Veteran Yogyakarta, who successfully passed a competitive selection process. The implementation of this program is expected to serve as a strategic initial step in developing future energy researchers and practitioners who are competent, adaptive, and possess strong integrity.

Figure 1. Opening session of the Lab EOR ITB Internship Program , which began with participant introductions, program briefing, and the explanation of laboratory rules and regulations.

Background and Objectives of the Program

The energy industry, particularly the upstream oil and gas sector and Enhanced Oil Recovery technology, requires human resources who are not only strong in theoretical knowledge but also skilled in practical applications. Recognizing this need, Lab EOR ITB presents this internship program with several main objectives, including:

  1. Equipping students with real work experience and testing activities in the EOR laboratory,
  2. Providing opportunities to be directly involved in research- and experiment-based hands-on projects berbasis riset dan eksperimen,
  3. Training and developing students’ soft skills such as communication, teamwork, problem solvingand professional ethics,
  4. Strengthening fundamental concepts in petroleum engineering and Chemical EOR through an applicative approach.

Through this program, students not only learn how it works, but also why it matters in the context of research and industry.

Figure 2. Lab EOR ITB Internship participants observing laboratory instrument operations and learning directly through hands-on practice at the workbench.

Part of Community Service and Social Contribution

More than just an academic program, the Lab EOR ITB Internship Program represents a tangible form of Lab EOR ITB’s concern for the community. This program is part of the Community Serviceinitiative, in which the laboratory not only focuses on research projects and industry collaboration, but also on community service through education and the development of young talents.

In this context, Lab EOR ITB opens access to inclusive, structured, and high-quality learning for students as a concrete contribution to strengthening the national research ecosystem.

Figure 3. Lab EOR ITB Internship participants attentively listening to and taking notes during explanations of laboratory research activities.

Competitive and Transparent Selection Process

The enthusiasm for this program is reflected in the high number of applicants. In this inaugural batch: batch perdana ini:

  • 80 Petroleum Engineering students registered at the initial stage,
  • Through administrative selection, the applicants were narrowed down to 10 top students,
  • The final stage was conducted through a Focus Group Discussion (FGD) process to assess critical thinking skills, communication abilities, and readiness to collaborate.

All participants in this inaugural program came from Universitas Pembangunan Nasional (UPN) Veteran Yogyakarta. From the entire selection process, four students were ultimately selected as those most aligned with the objectives and needs of the program.

This selection process was designed to ensure that participants are not only academically excellent, but also possess strong motivation, work ethics, and growth potential.

Figure 4. Lab EOR ITB Internship participants directly observing the use of laboratory equipment and samples.

Collaboration and Contributions with OGRINDO ITB

Although this program was initiated by Lab EOR ITB, the implementation of the internship is also supported by contributions from a broader research ecosystem, including OGRINDO ITB. This program reflects the synergy between academic laboratories and applied research groups in supporting student capacity development.

This contribution aligns with OGRINDO ITB’s vision of promoting impactful research, strengthening human resource competencies, and ensuring the sustainable development of energy technologies in Indonesia.

Figure 5. Lab EOR ITB Internship Program participants conducting hands-on laboratory experiments to strengthen their technical understanding.

Expectations and Long-Term Impact

Through the Lab EOR ITB Internship Program, it is expected that participants will gain valuable experiences that serve as important provisions for their academic and professional journeys. On the other hand, this program is also expected to become a foundation for the implementation of sustainable and increasingly inclusive internship programs in the future.

Going forward, Lab EOR ITB opens opportunities to accept students from various universities across Indonesia, in order to expand the program’s impact and strengthen national academic collaboration networks. This initiative aligns with the spirit of community service and the development of young talents in the energy sector.

Lab EOR ITB believes that the best investment for the future of energy lies in human development. This Internship Program marks the first step in that long journey.

Figure 6. A vibrant laboratory atmosphere—EOR ITB internship students engaging in discussions, conducting experiments, and learning together throughout the internship program.

Information and Collaboration Opportunities

Lab EOR ITB invites students, academics, and industry partners to stay engaged with the development of the Lab EOR ITB Internship Program and various other research initiatives. For educational institutions or organizations interested in collaboration, opening internship opportunities, or exploring research and community service partnerships, we are open to further discussion.


For more information, please contact:
📧 OGRINDO ITB: info@ogrindoitb.com
📧 Lab EOR ITB: labifteoritb@gmail.com
Let us work together to contribute to the development of young talents and the advancement of national energy research

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Ivan Kurnia, S.T., M.Sc., Ph.D.: Strengthening Chemical EOR Research and Energy Transition at OGRINDO ITB

Ivan Kurnia, S.T., M.Sc., Ph.D., peneliti senior OGRINDO ITB dengan pengalaman lebih dari 15 tahun di bidang teknik perminyakan, riset Chemical EOR, dan kolaborasi energi berkelanjutan.

With more than 15 years of experience in petroleum engineering, Ivan Kurnia, S.T., M.Sc., Ph.D. is a Senior Researcher at OGRINDO ITB with a strong track record in Chemical Enhanced Oil Recovery (EOR) research, matureoil field revitalization, and Carbon Capture, Utilization, and Storage (CCUS). He has produced numerous scientific publications in reputable international journals and has been actively involved in research projects and industry collaborations at both national and international levels.

Figure 1. Ivan Kurnia, S.T., M.Sc., Ph.D. as Senior Researcher at OGRINDO ITB.

Educational Background

Dr. Ivan Kurnia pursued formal education in Petroleum Engineering through a strong and well-structured academic pathway. He earned his Bachelor of Engineering (S.T.) degree from Institut Teknologi Bandung (ITB), and subsequently completed his Master of Science (M.Sc.) and Doctor of Philosophy (Ph.D.) degrees at the New Mexico Institute of Mining and Technology, United States—an institution well known for its excellence in reservoir research and enhanced oil recovery.

As recognition of his professional competence, Dr. Ivan has also completed the Professional Engineer Program in Petroleum Engineering at ITB, further strengthening his role as both an academic and a practitioner.

Research Expertise and Scientific Contributions

Currently, Dr. Ivan is actively engaged as a lecturer and researcher at Institut Teknologi Bandung, while also serving in a strategic role as Senior Researcher at OGRINDO ITB. His areas of expertise include:

  • Chemical Enhanced Oil Recovery (EOR), including surfactant formulation, interfacial tension (IFT) measurement, phase behavioranalysis, and coreflood
  • Revitalization of oil field mature
  • Carbon Capture, Utilization, and Storage (CCUS)
  • Reservoir modeling and simulation

Dr. Ivan’s research contributions have been published in various reputable international journals and global scientific forums, covering topics such as surfactant–nanoparticle synergy for EOR, salinity design in alkali-surfactant-polymer (ASP) flooding, and insights from surfactant–polymer and alkali–surfactant–polymer coreflood experiments. These publications serve as an important scientific foundation for the development of data-driven and practical EOR technologies.

Project Experience and Industry Collaboration

In addition to his academic activities, Dr. Ivan has extensive experience in applied projects and industrial services. He has been involved in various studies related to chemical EOR, CCUS, gas injection, and reservoir modeling, and has worked within multidisciplinary teams involving academics, oil and gas operators, and other stakeholders.

Figure 2. Dr. Ivan with the team during research discussions and coordination of industrial projects.

He also serves as the person in charge and manager of strategic laboratory equipment, such as gasflood systems and slim tube apparatus, which support experimental research activities and feasibility studies of EOR technologies at OGRINDO ITB. Through an approach that integrates fundamental research with field requirements, Dr. Ivan contributes to delivering innovative yet realistic technical recommendations that can be implemented by the industry.

Beyond his role in research and industry collaboration, Dr. Ivan Kurnia is also entrusted with an organizational role as Deputy Coordinator for Internal Audit. In this capacity, he contributes to strengthening governance, transparency, and accountability in the implementation of research activities and professional services, thereby supporting institutional sustainability and credibility.

Figure 3. Dr. Ivan conducting an internal audit at the Department of Petroleum Engineering.

Leadership Role and Global Contribution

Dr. Ivan’s commitment to the development of the energy community is reflected not only in his research activities but also in his leadership at the international level. In September 2025, he was appointed as the Chair of the Organizing Committee of the International Conference on Green Energy and Resources Engineering (ICGERE).

The conference serves as a strategic platform that brings together academics, industry practitioners, and policymakers from various countries to discuss technological innovation, resource management, and the future of sustainable energy. This role underscores Dr. Ivan’s capacity as a bridge between research, industry, and global energy policy.

Figure 4. Dr. Ivan during the International Conference on Green Energy and Resources Engineering (ICGERE) 2025, serving as Chair of the Organizing Committee.

Figure 5. Dr. Ivan serving as a moderator in a scientific forum, facilitating discussions and the exchange of ideas between academics and industry practitioners.

Strengthening OGRINDO ITB’s Role in Research and Energy Transition

With a combination of international education, more than 15 years of experience, reputable scientific publications, active involvement in industrial projects, and professional leadership, Ivan Kurnia, S.T., M.Sc., Ph.D. stands as one of the key pillars in strengthening OGRINDO ITB’s research capacity and professional services.

Through a collaborative and science-based approach, OGRINDO ITB is ready to serve as a strategic partner for industry, government, and academic institutions in the development of EOR technologies, mature reservoir management, and energy transition initiatives. mature, serta inisiatif transisi energi.

📩 Interested in collaborating with OGRINDO ITB?

Please contact us via email at info@ogrindoitb.com or visit www.ogrindoitb.com for more information.

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Training Surfactant Screening for EOR: Transforming Research Outcomes into Practical EOR Strategies

Kegiatan Training Surfactant Screening for Enhanced Oil Recovery (EOR) yang membahas penerapan riset laboratorium Chemical EOR menjadi strategi EOR yang aplikatif bagi lapangan migas Indonesia.

Efforts to increase national oil and gas production amid the decline of existing field production require the application of Enhanced Oil Recovery (EOR) technology that is increasingly mature, measurable, and research-based. In response to this challenge, the Training Surfactant Screening for Enhanced Oil Recovery (EOR) was conducted on Tuesday, 9 December 2025, at Best Western Premier The Hive, Cawang, DKI Jakarta.

This training featured Ir. Mahruri, S.T., M.Sc., Project Manager of the EOR Laboratory ITB as well as a Researcher at OGRINDO ITB, as the main speaker. The activity was organized by KOPUM IATMI (Koperasi Jasa Usaha Mandiri Ikatan Ahli Teknik Perminyakan Indonesia) and was attended by professionals from Pertamina RTI.

This training served as a strategic momentum to enhance technical capacity and strengthen the competencies of petroleum professionals, particularly in supporting the development and optimization of EOR technology implementation across various oil and gas working areas in Indonesia.

Figure 1. Ir. Mahruri, S.T., M.Sc. delivering fundamental concepts of Chemical Enhanced Oil Recovery (C-EOR).

Urgency of EOR Implementation in Indonesian Oil and Gas Fields

In the opening session, Ir. Mahruri presented a comprehensive overview of the stages of oil production—ranging from primary recovery, secondary recovery, to Enhanced Oil Recovery. It was conveyed that although waterflood and gas flood methods have been widely implemented, a significant portion of oil remains trapped in the reservoir due to limitations of conventional displacement mechanisms.

In this context, EOR emerges as a strategic solution to:

  • Drain residual oil that is microscopically trapped,
  • Increase recovery factor,
  • Extend the productive life of existing oil and gas fields.

Globally, the contribution of EOR to world oil production continues to increase, particularly in countries with maturefields. Indonesia has significant potential to optimize EOR, especially Chemical EOR, in both sandstone and carbonate reservoirs.

Chemical EOR and the Strategic Role of Surfactants

The main focus of this training was Chemical EOR, with an emphasis on surfactant flooding. Fundamentally, Chemical EOR aims to modify the physicochemical properties of reservoir fluids and rocks through the injection of chemical agents such as alkali, surfactants, and polymers.

Ir. Mahruri explained that surfactants play a crucial role in:

  • Reducing the interfacial tension (IFT) between oil and water to achieve ultra-low IFT conditions,
  • Forming microemulsions capable of mobilizing residual oil,
  • Altering rock wettability (wettability alteration),
  • Improving displacement efficiency and imbibition processes.

The success of surfactant flooding is highly dependent on a comprehensive screening and laboratory evaluation process to ensure that the applied surfactants are truly compatible with reservoir characteristics.

Figure 2. The atmosphere of the Training Surfactant Screening for Enhanced Oil Recovery (EOR) attended by oil and gas professionals from Pertamina RTI in Jakarta.

Surfactant Screening: From Concept to Laboratory Evaluation

One of the main strengths of this training was the in-depth discussion of the laboratory-based surfactant screening workflow, covering fluid–fluid and rock–fluidinteractions, as well as chemical performance in porous media.
Several key tests discussed included:

  1. CMC–IFT Test
    Determines the optimum surfactant concentration to achieve the lowest IFT value. An effective surfactant is expected to reach ultra-low IFT (<10⁻² mN/m) at an economically feasible concentration.
  2. Aqueous Stability Test
    Evaluates surfactant stability and compatibility in injection brine and native brine reservoir to avoid the risk of precipitation and plugging.
  3. Phase Behavior Test
    Assesses microemulsion formation (Winsor Type III) as the main indicator of surfactant effectiveness in mobilizing residual oil.
  4. Thermal Stability & Filtration Test
    Ensures surfactant stability at reservoir temperature and minimizes potential injectivity issues during the injection process.
  5. Wettability, Adsorption, and Imbibition Test
    Evaluates the ability of surfactants to alter rock wettability and minimize surfactant loss due to adsorption.
  6. Coreflooding and Micromodel
    Advanced stages to dynamically simulate surfactant performance in porous media while visualizing displacement mechanisms in two dimensions. displacement secara dua dimensi.

This series of tests emphasizes that Chemical EOR is not merely a chemical injection process, but an integrated scientific approach that must be supported by strong and representative laboratory data.

Bridging Research and Field Implementation

Through this training, participants gained not only conceptual understanding but also practical insights into how research outcomes and laboratory test results can be translated into EOR strategies ready for field implementation.

The discussion also addressed common challenges in Chemical EOR implementation, including:

  • Polymer adsorption and degradation,
  • Surfactant sensitivity to salinity and temperature,
  • Risks of plugging, scaling, and corrosion,
  • Economic considerations and surface facility readiness.

Various case studies and lesson learned from EOR implementations both domestically and internationally enriched participants’ perspectives on the complexity as well as the opportunities of this technology.

Figure 3. Group photo of the speaker and participants of the Training Surfactant Screening for EOR organized by KOPUM IATMI.

Opening Opportunities for Strategic Collaboration

Through this activity, OGRINDO ITB and the EOR Laboratory ITB reaffirmed their commitment to supporting the development of EOR technology based on research, laboratory testing, and close collaboration with industry.

Opportunities for collaboration are open for:

  • Research and development of Chemical EOR,
  • Surfactant screening and laboratory evaluation,
  • EOR feasibility studies,
  • Technical training and consultancy,
  • Industry–academia collaborative projects.
Figure 4. Certificate handover to participants of the Training Surfactant Screening for Enhanced Oil Recovery (EOR) as a form of technical competency strengthening.

📩 Collaboration contacts:

OGRINDO ITB: info@ogrindoitb.com
EOR Laboratory ITB: labifteoritb@gmail.com

This training serves as a tangible example of how synergy between research, laboratories, and industry can accelerate the adoption of practical, effective, and sustainable EOR technologies to support national energy security.

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Optimization of Enhanced Oil Recovery Using Low Salinity Water and TiO₂ Nanofluid in Sandstone Reservoirs

Microscopic background image of TiO₂ nanoparticles with an overlay title: ‘Investigation of crude oil–brine–rock interaction using low salinity water and TiO₂ nanoparticles,’ highlighting research implications on surface charge and interfacial properties. Includes the OGRINDO ITB logo and a call-to-action button that reads ‘Explore the research findings.

The application of Enhanced Oil Recovery (EOR) technology continues to be a strategic focus in efforts to increase national oil production, especially in reservoirs that have entered the late stage of their productive life. One EOR method that is currently gaining attention is the use of Low Salinity Water (LSW) as an injection fluid. Several studies have shown that low-salinity brine is able to mobilize residual oil more effectively compared to brine with high salinity.

Recent research indicates that the effectiveness of LSW can be further enhanced through the addition of titanium dioxide (TiO₂) nanoparticles. This study becomes important because experimental data regarding the compatibility and synergistic mechanisms of both in the crude oil–brine–rock (COBR) system are still limited.

Figure 1. Illustration of crude oil–brine–rock (COBR) interaction in the LSW–TiO₂ study.

Why Does Low Salinity Water Become More Effective with TiO₂ Nanoparticle?

Recent laboratory studies investigated crude oil–brine–rock (COBR) interactions within a salinity range of 500–32,000 ppm and TiO₂ concentrations of 0–100 ppm using sample from Berea sandstone. The results show that the addition of TiO₂ into LSW induces significant physicochemical changes, particularly in pH, zeta potential, and contact angle parameters, which directly influence the mechanism of oil detachment from the rock surface.

Figure 2. Mechanistic insight into LSW–TiO₂ interactions affecting interfacial properties and wettability, contributing to enhanced the performance of oil recovery oil recovery.

This combination produces an effective LSW–TiO₂ nanofluid capable of altering the rock wettability toward a more water-wet (wettability alteration). In water-wetconditions, the rock surface is more easily wetted by water, allowing oil that was previously strongly attached to the pore surfaces to move and be produced more efficiently.

Figure 2. Changes in zeta potential (ZP) values at various TiO₂ concentrations and salinity levels.

Implications for EOR

Findings from this study show that the combination of LSW and TiO₂ nanoparticles has significant potential for optimizing the EOR process in sandstonereservoirs. Modifications of interfacial properties—particularly through changes in wettability—emerge as the main mechanism supporting enhanced oil mobilization.

This study also demonstrates that the tested TiO₂ concentrations provide consistent physicochemical responses, opening opportunities for designing more optimal injection fluids to maximize oil recovery.

In addition to offering a fundamental understanding of fluid–rock interactions under low-salinity conditions, the results of this research provide new direction for developing more effective LSW–TiO₂ nanofluid formulations for field applications. Further studies, such as coreflooding,, are planned as the next step to validate the implications of these findings on direct oil recovery improvement.

🔗 Access to the Published Paper

Interested in understanding the mechanisms, experimental data, and complete analysis in greater detail?
The paper can be accessed here.

🤝 Research and Industry Collaboration

OGRINDO ITB welcomes collaboration opportunities for further research and industrial partnerships in the fields of EOR, nanotechnology, and reservoir chemistry.
Contact us at: 📩 info@ogrindoitb.com

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Technology Day 2025: Strengthening Synergy for Production Enhancement through Extended Stimulation & Enhanced Oil Recovery (EOR)

Perwakilan OGRINDO ITB dan Laboratorium EOR ITB berfoto pada kegiatan Technology Day bertema “Sinergi Upaya Pencapaian Produksi dengan Penerapan Extended Stimulation”, diselenggarakan oleh SKK Migas di Bandung pada 19–21 November 2025.

Bandung, 19–21 November 2025 — OGRINDO ITB together with the EOR Laboratory ITB attended Technology Day: Sinergi Upaya Pencapaian Produksi dengan Penerapan Extended Stimulation, a technical forum organized by SKK Migas as a strategic step to accelerate national oil production toward the 2026 target. The event took place over three days and brought together representatives from Pertamina, LEMIGAS, KKKS, and EOR technology providers.

This event was designed to strengthen collaboration between operators, regulators, research institutions, and technology providers in addressing production challenges in mature oil fields, particularly those requiring the application of EOR (Enhanced Oil Recovery) and Extended Stimulation.

Figure 1. Representatives of the OGRINDO ITB team and the EOR Laboratory ITB during the opening session of Technology Day.

Technical Forum with a Comprehensive Three-Day Agenda

The Technology Day agenda was designed to facilitate technical discussions, case study reviews, field experience exchanges, and the formation of follow-up implementation plans. Based on the official rundown issued by SKK Migas, the series of activities included:

📌 Day One — Opening & Panel of Extended Stimulation

  • Participant registration and opening remarks by the Deputy of Exploration, Development, and Management of Working Areas (EPMWK) of SKK Migas
  • Panel discussion “Sinergi Upaya Pencapaian Produksi dengan Penerapan Extended Stimulation”
  • Booth visit with technology providers
  • Technical presentations and PEP discussions on the Tanjung, North Kutai Lama, Kenali Asam, and Tempino fields

📌 Day Two — PEP Discussions & Implementation Opportunities

  • Discussion of conditions and stimulation plans for the Pamusian, Limau, Ramba, Rantau, and Sago fields
  • Structured technical dialogue between SKK Migas, KKKS, and technology providers
  • Booth visit with technology providers

📌 Day Three — Strategy Finalization & Follow-Up

  • Discussion and evaluation of follow-up actions by SKK Migas × KKKS × technology providers
  • Compilation of summaries and conclusions from all sessions
  • Program closing

The series of agendas demonstrated the commitment of all participants to unify operational, technological, and research perspectives to produce measurable, integrated production enhancement strategies that are ready for field implementation.

Figure 2. Representatives of the OGRINDO ITB team and the EOR Laboratory ITB during the opening session of Technology Day.

Key Message: Collaboration as the Foundation of Success

In every discussion session, technology presentation, and case study review, one overarching theme consistently emerged:

The success of implementing Extended Stimulation and EOR depends on close collaboration between operators, regulators, research institutions, and technology solution providers.

Technology selection and chemical formulation decisions must be based on:

  • reservoir characteristics,
  • comprehensive laboratory data,
  • field performance evaluation, and
  • operational readiness.

With these elements, EOR and Extended Stimulation can be designed to deliver effective, economical, and sustainable results for Indonesian oil fields.

Figure 3. The enthusiasm of representatives from OGRINDO ITB and the EOR Laboratory ITB while participating in the activities of Technology Day.

OGRINDO × Lab EOR ITB Commitment to Supporting National Production

The participation of OGRINDO ITB and the EOR Laboratory ITB in this event is part of strengthening our contribution to the upstream oil and gas sector through:

🔹 The application of data-driven research to support field decision-making
🔹 The provision of EOR laboratory study services
🔹 The development of technological solutions through collaboration with industry
🔹 Engagement in forums for knowledge exchange and formulation of production enhancement strategies

We believe that continuous collaboration between industry, regulators, and academia is a crucial foundation for the success of EOR and Extended Stimulation in Indonesia.

Figure 4. The enthusiasm of representatives from OGRINDO ITB and the EOR Laboratory ITB while participating in the activities of Technology Day.

Conclusion

We hope this spirit of synergy continues through real implementation in the field to support national energy resilience and the achievement of Indonesia’s oil production targets.

OGRINDO ITB together with the EOR Laboratory ITB remain committed to strengthening collaboration between industry, regulators, and academia to deliver effective and sustainable production enhancement solutions.

📩 For further information, technical discussions, or collaboration opportunities, please contact:
info@ogrindoitb.com

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Collaboration between OGRINDO ITB and Purnomo Yusgiantoro EOR Laboratory: Utilizing Gas Flood Core Flooding Technology for Enhanced Oil Recovery

OGRINDO ITB and Lab EOR Purnomo Yusgiantoro collaboration using a Gas Flood Core Flooding system at Gedung Dato to research Enhanced Oil Recovery with CO₂, N₂, and WAG gas injection under high-pressure, high-temperature reservoir conditions.

Welcome to our premier research facility at Gedung Dato (Labtek XVII), Institut Teknologi Bandung!
Through a partnership between OGRINDO ITB and Purnomo Yusgiantoro Enhanced Oil Recovery (EOR) Laboratory, we jointly utilize the advanced Gas Flood Core Flooding facility to support research and development of Enhanced Oil Recovery (EOR) strategies based on gas injection (miscible and immiscible).

This collaboration enables resource sharing between academic research and industrial needs, ensuring that the facility can provide broader benefits for energy technology development.

Figure 1. Apparatus of Gas Flood ready to support gas injection and core flooding studies for both research and industrial collaboration.

🛠️ Key Features of the Gas Flooding

This system offers the following advanced technical capabilities:

  • High pressure: Confining pressure and pore pressure up to 700 bar (~10,000 psi).
  • High temperature: Working temperature up to 150 °C.
  • Capability to use gases such as CO₂, N₂, or hydrocarbon gases.
  • Ability to perform water flooding, gas flooding, and WAG (Water-Alternating-Gas).
  • The unsteady state method to obtain key parameters such as gas and liquid relative permeability, saturation of remaining oil, displacement efficiency after waterflooding, and water production related to gas injection.
  • Core holder can be positioned horizontally.
  • Wetted parts made of Hastelloy for superior durability.

With this system, the Purnomo Yusgiantoro EOR Laboratory in collaboration with OGRINDO ITB is able to simulate reservoir conditions in the laboratory and generate crucial experimental data for optimizing gas injection in the field.

Figure 2. Monitoring of pressure, temperature, and flow rates in real time to ensures precise control during gas injection experiments.

🔍 Applications and Benefits of the Collaboration

The collaboration between OGRINDO ITB and the Purnomo Yusgiantoro EOR Lab opens opportunities for research and services to:

  • Determine the optimal gas injection strategy (gas type, pressure, and injection rate).
  • Evaluate efficient WAG schemes.
  • Assess oil displacement efficiency after waterflooding.
  • Estimate additional oil production potential.
  • Understand gravity segregation effects in gas injection.
  • Provide critical laboratory test data as key input for reservoir modeling.
Figure 3. Preparation of core sample inside the Gas Flood chamber to simulate reservoir conditions up to 700 bar and 150 °C.

🤝 Joint Research and Services

The Purnomo Yusgiantoro EOR Laboratory, in collaboration with OGRINDO ITB, conducts various gas injection experiments, including CO₂, N₂, and other core flood studies, according to research and project requirements.

This collaboration represents a tangible example of resource sharing between industry and academia. Through this partnership, OGRINDO ITB and the Purnomo Yusgiantoro EOR Lab are ready to support:

  • Joint research with oil and gas companies.
  • Academic studies and university projects.
  • Pilot study for energy and EOR technologies.
  • CO₂-EOR initiatives or CCUS projects.

With a team of reservoir experts, state-of-the-art facilities, and extensive research experience, we are ready to be your strategic partner in advancing EOR technology in Indonesia.

Figure 4. Inside view of the Gas Flood: advanced device for gas injection EOR studies.

📞 Contact Us

For more technical information, service inquiries, or research collaboration:
📧 Email: info@ogrindoitb.com
🌐 Website: www.ogrindoitb.com
Visit our website to see complete specifications, research portfolios, and available services. Together, let’s build the future of production optimization with advanced gas injection technology!

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Hands-on Laboratory Training on Chemical EOR at Lab EOR ITB: Bridging Knowledge, Industry, and Innovation

Hands-on Laboratory Training Chemical Enhanced Oil Recovery (CEOR) di Lab EOR ITB, kolaborasi dengan OGRINDO ITB menghadirkan pelatihan praktis bagi profesional industri migas.

On Tuesday, August 26, 2025, Enhanced Oil Recovery Laboratory of Institut Teknologi Bandung (ITB), in collaboration with Oil and Gas Recovery for Indonesia (OGRINDO) ITB, successfully conducted the Hands-on Laboratory Training Chemical Enhanced Oil Recovery (CEOR). This event served as an important platform for industry professionals and academics to gain a deeper understanding of Chemical EOR metode through direct laboratory practice.

The main activities in this Hands-on Laboratory Training Chemical EOR were Screening Polymer and Surfactant Formulation, carried out intensively at the EOR Laboratory ITB. Participants not only learned the theoretical foundations but also conducted a series of comprehensive laboratory tests to evaluate the performance of chemical EOR under various reservoir conditions.

Figure 1. Training participants listening to the instructor’s explanation of Chemical EOR at Lab EOR ITB

Training Details

  1. Screening Polymer

In this session, participants conducted several key tests to assess polymer performance, including:

  • Fluid–Fluid Compatibility Test: viscosity measurement, polymer–water compatibility, filtration ratio, screen factor, and thermal stability test
  • Rock–Fluid Compatibility Test: static adsorption test, dynamic adsorption test and IPV, as well as injectivity test (RF and RRF)
  • Coreflood Test: the test of tertiary oil recovery to evaluate the potential improvement of oil recovery
Figure 2. Surfactant testing session: participants engaged in an interactive discussion with the instructor on laboratory testing methods

2. Surfactant Formulation Lab Test

This session focused on surfactant formulation under various laboratory conditions, including:

  • Fluid–Fluid Compatibility Test: uji kompatibilitas surfaktan dengan air, IFT test, phase behavior test, IFT thermal stability test, and filtration test
  • Rock–Fluid Compatibility Test: wettability test, static adsorption test, dynamic adsorption testoil field revitalization, and capillary desaturation curves (CDC) test
  • Coreflood Test: the test of tertiary oil recovery test to evaluate the effectiveness of surfactants in mobilizing residual oil.
Figure 3. Laboratory practice session: participants conducting direct fluid–rock compatibility testing

Through this series of tests, participants gained hands-on experience in CEOR laboratory evaluations using methods applied globally in the oil and gas industry. This further strengthens the position of Lab EOR ITB as a research and training center equipped with facilities and expertise capable of addressing the real needs of Indonesia’s petroleum industry.

Training Participants

This training was attended by professionals from various national oil and gas companies, namely:

  • Pertamina Hulu Energi (PHE) – including PHE OSES, PHE ONWJ, and PHE SHU SDRE
  • Pertamina EP (PEP) – including PEP Zone 7
  • Pertamina Hulu Mahakam (PHM)
  • Pertamina Hulu Rokan (PHR)
  • Pertamina Hulu Indonesia (PHI)
Figure 4. Group photo of Hands-on Laboratory Training Chemical EOR participants at Lab EOR ITB.
Figure 5. Chemical EOR training participants at the Faculty of Mining and Petroleum Engineering, ITB.

Impact and Benefits

Through this hands-on experience, participants not only enhanced their technical skills, but also gained strategic insights to support increased recovery factor and the sustainability of Indonesia’s energy sector.

With complete laboratory facilities and the support of experienced experts, Lab EOR ITB together with OGRINDO are ready to become strategic partners for the oil and gas industry in developing and implementing Enhanced Oil Recovery in Indonesia.

This training is a tangible form of collaboration between OGRINDO ITB and Lab EOR ITB in strengthening human resource capacity in the oil and gas sector. It provides participants with a comprehensive understanding of Chemical EORimplementation, from laboratory scale to field applications.

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Four Trapping Mechanisms: How CO₂ Stays Safely Locked Underground

Carbon Capture, Utilization, and Storage (CCUS) in Indonesia explained with trapping mechanisms, global case studies, storage potential, and OGRINDO ITB services to support Net Zero Emission

Climate change caused by the increasing CO₂ emissions is a major challenge we face today. To prevent its impact, Carbon Capture and Storage (CCS) emerges as a proven safe solution to store CO₂ deep underground. CCS not only prevents emissions from reaching the atmosphere, but also becomes an essential foundation of Carbon Capture, Utilization, and Storage (CCUS)—a pathway that allows CO₂ emissions to be transformed into valuable opportunities.

Figure 1. General scheme of a CCS project: starting from capturing CO₂ emissions, transportation, to permanent storage beneath the earth’s surface (Ali et al, 2022)

Four CO₂ Trapping Mechanisms
The long-term security of CO₂ storage is ensured by four natural mechanisms that complement each other over time:

  1. Structural Trapping
    CO₂ that moves upward due to density differences will be stopped by the caprock. Since gas density tends to be smaller than oil and water, CO₂ gas will gradually move in a vertical direction. To ensure CO₂ remains trapped within the formation, caprock yang cukup reliable, with extremely low permeability and wettability that favors strong water wet conditions.
  2. Residual Trapping
    A portion of CO₂ is trapped within the rock pores as small immobile bubbles. This mechanism provides long-term storage stability.
  3. Dissolution Trapping
    CO₂ dissolves into formation water and forms a carbonate solution with a density heavier than the other fluids present in the formation, thus tending to sink downward and reducing the risk of CO₂ leakage.
  4. Mineral Trapping
    Dissolved CO₂ reacts with rock minerals (Ca, Mg, Fe) and forms solid carbonate minerals such as calcite or magnesite. This is the most permanent form of storage because CO₂ transforms into new stable rock over thousands of years.

These mechanisms work in layers: structural and residual provide immediate protection, while dissolution and mineral ensure long-term security. Together, they create a multi-layered line of defense that guarantees CO₂ remains safely stored for centuries.

Figure 2. Layered contribution of CO₂ trapping mechanisms that complement each other over time, ensuring storage security across generations.

CCS as the Foundation of CCUS
Understanding these four mechanisms helps us see that CCS is a crucial first step in the journey toward CCUS. Without secure storage, it is difficult to develop large-scale CO₂ utilization. Through CCS, CO₂ is not only safely stored underground, but also opens opportunities for reuse—for example in Enhanced Oil Recovery (EOR) as part of the CCUS solution.

🌱 This Is Just the First Step
In the next episode, we will discuss how CCUS transforms CO₂ from a burden into a valuable resource, driving industrial innovation and accelerating the transition to cleaner energy.
✨ Keep following our article series, and be part of the journey toward a low-carbon future.
📩 Contact us: info@ogrindoitb.com
🌐 Learn more: www.ogrindoitb.com

Reference:
IPCC, 2005: IPCC Special Report on Carbon Dioxide Capture and Storage. Prepared by Working Group III of the Intergovernmental Panel on Climate Change [Metz, B., Davidson, O., de Coninck, H.C., Loos, M., and Meyer, L.A. (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, 442 pp.

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Micromodel: An Innovative Technology for Optimizing Enhanced Oil Recovery

Micromodel fabrication process for enhanced oil recovery (EOR) research, showing step-by-step visualization from reservoir characterization to micromodel testing in oil-wet conditions.

Amid the challenges of enhanced oil recovery (Enhanced Oil Recovery), laboratory methods capable of visually representing fluid displacement mechanisms have become increasingly crucial. This is where the micromodel emerges as an innovative solution proudly developed by Indonesian researchers.

Micromodel is a two-dimensional laboratory device designed to replicate the pore structure of reservoir rocks, such as sandstone or carbonate rocks. Through a micromodel, the movement of fluids—such as water, oil, surfactants, and polymers—can be observed directly and in real-time.

Comparison of coreflood and micromodel flooding methods in observing fluid flow in reservoir rocks

Most conventional laboratory tests, like coreflooding, have limitations in providing direct visualization of chemical injection mechanisms. Micromodel address this challenge by enabling real-time observation of interfacial tension changes, wettability alteration, and viscosity displacement efficiency at the pore scale.

What Is the Purpose of Using a Micromodel?

Micromodel are used to:

  • Visually analyze the working mechanisms of chemical EOR
  • Evaluate the effectiveness of surfactants or polymers before upscaling to larger tests
  • Design efficient and targeted injection strategies
  • Identify phenomena such as channeling, viscous fingering, and oil entrapment often undetectable in conventional tests

Micromodel of OGRINDO ITB have some advantages:

  • Indigenous Innovation: Designed and developed by skilled local researchers.
  • Fast, Simple, and Cost-Effective: More efficient than coreflooding, in terms of time and cost.
  • Costumized Design: Tailored to match pore characteristics of sandstone or carbonat, even based on actual reservoir data.
  • Real-Time Visualization: Enables direct observation of fluid behavior at the microscopic scale.
  • Supports More Accurate EOR Design: Acts as a bridge between laboratory results and real-field applications.

Fabrication Process of the Micromodel

Fabrication process of micromodel includes the following stages:

Five main stages of micromodel
  1. Reservoir Characterization: Identifying the physical and petrophysical properties of the reservoir rock, such as porosity, permeability, fluid saturation, and geological structure.
  2. Thin Section & Petrography Analysis: Observing ultra-thin rock slices under a microscope to study mineral composition and rock textures.
  3. Rock Digitization: Converting physical rock data into 2D or 3D digital models.
  4. Micromodel Fabrication: Creating the micromodel through pore-pattern design, etching, and assembling materials using techniques such as thermal bonding.
  5. Micromodel Ready to Use: Final stage where micromodel has passed all fabrication and characterization tests, making it ready for EOR experiments such as surfactant or polymer injection or other EOR mechanism.

The key advantage of OGRINDO's micromodel lies in its design flexibility. By incorporating actual geological and petrophysical field data, micromodel can be customized to closely replicate real reservoir conditions. This makes the experimental results more relevant and reliable for supporting technical decisions in the field.

Visualization of oil-wet state in the micromodel

🔬 Micromodel is more than just a testing device—it is a window into a deeper understanding of subsurface fluid behavior. With OGRINDO ITB, let’s create smarter, more efficient, and data-driven EOR solutions.

📞 For more information or collaboration opportunities, contact our team at OGRINDO ITB.

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OGRINDO ITB Research Breakthrough: Combination of Surfactant & Titanium Dioxide Nanoparticles, Enhances Oil Recovery in Sandstone Reservoir

Research breakthrough by OGRINDO ITB on enhancing oil recovery in sandstone using surfactant and titanium dioxide nanoparticles

Innovation in technology Enhanced Oil Recovery (EOR) continues to evolve to address production challenges in mature oil fields. One of the current approaches gaining attention from researchers is the utilization of titanium dioxide (TiO₂) nanoparticles to improve surfactant performance in oil recovery processes, particularly in sandstone.

A research team from OGRINDO ITB recently published their latest research findings in a scientific article titled:
“Enhancement of Surfactant Performance via Titanium Dioxide Nanoparticles: Implication for Oil Recovery in Sandstone.”

🌟 What Makes This Research Special?

Surfactant alkyl ethoxy carboxylate (AEC) surfactant is one of the chemical agents commonly used in EOR methods. However, the OGRINDO team went further by exploring how the addition of TiO₂ nanoparticles to AEC could drastically alter the system’s performance. Comprehensive testing was conducted, covering:

  • Interfacial tension
  • Contact angle
  • Zeta potential
  • Coreflooding test

State of the Art

The latest innovation in this research is the evaluation of AEC surfactant performance by adding TiO₂ nanoparticles within a concentration range of 0%–0.05% w/w.

The addition of 0.05% w/w TiO₂ nanoparticles to 1.25% w/w AEC surfactant was able to reduce interfacial tension to a value of 5.85 × 10⁻⁵ mN/m. This excellent performance was also confirmed in the coreflooding,, where oil recovery increased to a maximum value of 59.52%.

This finding highlights the importance of TiO₂ nanoparticle stability in surfactant solutions, which turns out to be the key factor in enhancing oil recovery efficiency.

Figure 1: Contact angles of all tested solutions on the Berea sandstone thin section. Error bars represent the standard deviation of the measurements
Figure 2: Effect of TiO₂ nanoparticle addition to AEC surfactant on interfacial tension (adapted from Megayanti et al. (2023))

Why Is This Important?

This research provides valuable new insights into the development of surfactant- and nanoparticle-based EOR methods. With this approach, it is expected to open new opportunities for improving oil recovery efficiency from sandstone reservoir — especially in fields that have experienced production decline.

This discovery also strengthens OGRINDO’s position as a leading EOR research center in Indonesia, focusing on the development of environmentally friendly, sustainable technologies tailored to national industry needs.

📚 Read the full journal here

🌐 Explore More of Our Flagship Research

Visit the complete list of OGRINDO ITB scientific publications to explore our breakthroughs in Enhanced Oil Recovery, CO₂, hydrogen, and other energy transition technologies: 👉 OGRINDO ITB Scientific Publications

Through research, collaboration, and innovation, OGRINDO ITB is committed to being at the forefront of supporting national and global energy transformation.

Let’s create a smarter and more sustainable energy future — together with OGRINDO.

🙏 Acknowledgement

The researchers express their gratitude to Oil and Gas Recovery for Indonesia (OGRINDO) ITB and the Enhanced Oil Recovery (EOR) ITB for access to the experimental equipment used in this study.

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Collaboration for Innovation: PT SNF Donates a Glove Box to the EOR Laboratory of FTTM ITB

Glove box inauguration ceremony by PT SNF Indonesia at the Enhanced Oil Recovery Laboratory, FTTM ITB to support oil recovery research.
The guests took a group photo in front of the Glove Box unit from SNF

As a tangible form of collaboration between industry and academia, PT SNF Water Science Indonesia officially handed over one unit of Glove Box, Viscometer, and supporting accessories to the Laboratory Enhanced Oil Recovery (EOR) Faculty of Mining and Petroleum Engineering (FTTM), Bandung Institute of Technology (ITB)

Dr. Ir. Dedy Irawan (Head of the Master’s and Doctoral Programs in Petroleum Engineering at ITB) shakes hands with Mr. David Chan, B.Eng (Managing Director of PT SNF Indonesia)

The donation ceremony took place on May 10, 2025, at the Auditorium Room, 8th floor of the PAU Building, ITB. The event was attended by Mr. David Chan, B.Eng., as Managing Director of PT SNF Indonesia, Prof. Dr. Elfahmi, S.Si., M.Si., as Director of Research and Innovation ITB, Head of the Master & Doctoral Program in Petroleum Engineering Dr. Ir. Dedy Irawan, S.T., M.T., Prof. Dr. Ir. Taufan Marhaendrajana, M.Sc., as Deputy of Exploitation at SKK Migas, and a team of lecturers and researchers involved in EOR technology research and development at ITB.

Prof. Dr. Elfahmi, S.Si., M.Si
Prof. Dr. Elfahmi, S.Si., M.Si
David Chan B. Eng
David Chan B. Eng
Prof. Dr. Ir. Taufan Marhaendrajana, M.Sc
Prof. Dr. Ir. Taufan Marhaendrajana, M.Sc

The glove box is a crucial tool in chemical and material research, including in the development of surfactants and polymers for technology Chemical Enhanced Oil Recovery (CEOR). The addition of this facility is expected to strengthen the capacity of the EOR Laboratory at FTTM ITB in producing more precise, safe, and impactful oil and gas technology innovations, contributing directly to the efficiency of national oil production.

PT SNF Indonesia, as a leading chemical company active in the supply of chemicals for the oil and gas industry, demonstrates its strong commitment to supporting research development and higher education in Indonesia. Through this donation, PT SNF not only provides equipment but also builds a collaborative bridge between industry and academic institutions as a strategic step to strengthen the oil and gas research ecosystem in Indonesia, particularly in the development of environmentally friendly and sustainable EOR methods.

📌 With close collaboration between academia and industry, we can jointly drive the advancement of national energy technology.

Glove Box Inauguration – PAU Building
Glove Box Inauguration - Dato Building

About Us

A research consortium under Petroleum Engineering ITB focused on advancing oil and gas recovery technologies and supporting the energy transition in Indonesia

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