{"id":6316,"date":"2025-12-12T08:37:56","date_gmt":"2025-12-12T01:37:56","guid":{"rendered":"https:\/\/ogrindoitb.com\/?p=6316"},"modified":"2025-12-12T08:38:00","modified_gmt":"2025-12-12T01:38:00","slug":"optimalisasi-enhanced-oil-recovery-dengan-low-salinity-water-dan-nanofluida-tio%e2%82%82-pada-reservoir-sandstone","status":"publish","type":"post","link":"https:\/\/ogrindoitb.com\/en\/optimalisasi-enhanced-oil-recovery-dengan-low-salinity-water-dan-nanofluida-tio%e2%82%82-pada-reservoir-sandstone\/","title":{"rendered":"Optimization of Enhanced Oil Recovery Using Low Salinity Water and TiO\u2082 Nanofluid in Sandstone Reservoirs"},"content":{"rendered":"

The application of Enhanced Oil Recovery<\/em> (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<\/em> (LSW) as an injection fluid. Several studies have shown that low-salinity brine<\/em> is able to mobilize residual oil<\/em> more effectively compared to brine<\/em> with high salinity.<\/p>\n\n\n\n

Recent research indicates that the effectiveness of LSW can be further enhanced through the addition of titanium dioxide (TiO\u2082) nanoparticles. This study becomes important because experimental data regarding the compatibility and synergistic mechanisms of both in the crude oil\u2013brine\u2013rock<\/em> (COBR) system are still limited.<\/p>\n\n\n

\n
\"\"
Figure 1. Illustration of crude oil\u2013brine\u2013rock<\/em> (COBR) interaction in the LSW\u2013TiO\u2082 study.<\/figcaption><\/figure>\n<\/div>\n\n\n
<\/div>\n\n\n\n

Why Does Low Salinity Water<\/em> Become More Effective with TiO\u2082 Nanoparticle?<\/strong><\/p>\n\n\n\n

Recent laboratory studies investigated crude oil\u2013brine\u2013rock<\/em> (COBR) interactions within a salinity range of 500\u201332,000 ppm and TiO\u2082 concentrations of 0\u2013100 ppm using sample from Berea sandstone<\/em>. The results show that the addition of TiO\u2082 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. <\/p>\n\n\n\n

This combination produces an effective LSW\u2013TiO\u2082 nanofluid capable of altering the rock wettability toward a more water-wet<\/em> (wettability alteration<\/em>). In water-wet<\/em>conditions, 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.<\/p>\n\n\n

\n
\"\"
Figure 2. Changes in zeta potential<\/em> (ZP) values at various TiO\u2082 concentrations and salinity levels.<\/figcaption><\/figure>\n<\/div>\n\n\n
<\/div>\n\n\n\n

Implications for EOR<\/strong><\/p>\n\n\n\n

Findings from this study show that the combination of LSW and TiO\u2082 nanoparticles has significant potential for optimizing the EOR process in sandstone<\/em>reservoirs. Modifications of interfacial properties\u2014particularly through changes in wettability<\/em>\u2014emerge as the main mechanism supporting enhanced oil mobilization. <\/p>\n\n\n\n

This study also demonstrates that the tested TiO\u2082 concentrations provide consistent physicochemical responses, opening opportunities for designing more optimal injection fluids to maximize oil recovery.<\/p>\n\n\n\n

In addition to offering a fundamental understanding of fluid\u2013rock interactions under low-salinity conditions, the results of this research provide new direction for developing more effective LSW\u2013TiO\u2082 nanofluid formulations for field applications. Further studies, such as coreflooding,<\/em>, are planned as the next step to validate the implications of these findings on direct oil recovery<\/em> improvement.<\/p>\n\n\n\n

<\/div>\n\n\n\n

\ud83d\udd17 Access to the Published Paper<\/strong><\/p>\n\n\n\n

Interested in understanding the mechanisms, experimental data, and complete analysis in greater detail?
The paper can be accessed here<\/a>. <\/p>\n\n\n\n

<\/div>\n\n\n\n

\ud83e\udd1d Research and Industry Collaboration<\/strong><\/p>\n\n\n\n

OGRINDO ITB welcomes collaboration opportunities for further research and industrial partnerships in the fields of EOR, nanotechnology, and reservoir chemistry.
Contact us at: \ud83d\udce9 info@ogrindoitb.com<\/strong><\/p>","protected":false},"excerpt":{"rendered":"

Penerapan teknologi Enhanced Oil Recovery (EOR) terus menjadi fokus strategis dalam upaya peningkatan produksi minyak nasional, terutama pada reservoir yang memasuki tahap akhir masa produktif. Salah satu metode EOR yang saat ini menarik perhatian adalah penggunaan Low Salinity Water (LSW) sebagai fluida injeksi. Sejumlah studi membuktikan bahwa brine dengan salinitas rendah mampu memobilisasi residual oil […]<\/p>","protected":false},"author":1,"featured_media":6321,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[240,127,238,236,122,239,149,145],"class_list":["post-6316","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-article","tag-crude-oil-brine-rock","tag-enhance-oil-recovery","tag-eor-research","tag-low-salinity-water","tag-ogrindo-itb","tag-oil-recovery","tag-petroleum-engineering","tag-reservoir-engineering"],"yoast_head":"\nOptimalisasi Enhanced Oil Recovery dengan Low Salinity Water dan Nanofluida TiO\u2082 pada Reservoir Sandstone - OGRINDO ITB<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ogrindoitb.com\/en\/optimalisasi-enhanced-oil-recovery-dengan-low-salinity-water-dan-nanofluida-tio\u2082-pada-reservoir-sandstone\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Optimalisasi Enhanced Oil Recovery dengan Low Salinity Water dan Nanofluida TiO\u2082 pada Reservoir Sandstone - OGRINDO ITB\" \/>\n<meta property=\"og:description\" content=\"Penerapan teknologi Enhanced Oil Recovery (EOR) terus menjadi fokus strategis dalam upaya peningkatan produksi minyak nasional, terutama pada reservoir yang memasuki tahap akhir masa produktif. 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