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Synergy of Nano Silica and Anionic Surfactant Fluid as Chemical Enhanced Oil Recovery

Scientific Contributions Oil and Gas · Vol. 48 No. 4 (2025) · pp. 337–355

DOI
10.29017/scog.v48i4.1951
ISSN
2541-0520, 2089-3361
Published
2025-12-29
Publisher
Testing Center for Oil and Gas LEMIGAS
Language
eng
License
creativecommons.org/licenses/by/4.0

Abstract

Silica nanofluids attract significant attention for enhanced oil recovery (EOR) applications due to their ability to alter rock wettability. However, silica nanofluids exhibit limitations in thermal stability. The addition of anionic surfactants aims to overcome these limitations. The synergisticAnionic surfactants are added to address the thermal stability issues of silica nanofluids. The synergy interaction between silica nanoparticles (SNPs) and anionic surfactants enhances wettability alteration, reduces interfacial tension (IFT), improves thermal stability, and increasing oil recovery. This study investigates the synergistic effects of SNPs, alpha olefin sulfonate (AOS) surfactant, and disodium laureth sulfosuccinate (DLS) co-surfactant in nanofluid formulations applied to sandstone reservoirs. Laboratory experiments employ colloidal nano silica with two particle sizes, 8 nm (SNP-01) and 3 nm (SNP-02), combined with AOS-DLS anionic surfactants at various concentrations. The study showed that the silica nanofluid remains stable for up to 3 months at temperatures below 80°C for both SNP types at a concentration of 0.1% with surfactant concentrations 0.3% AOS and 0.3% DLS in 3% brine solution. The addition of SNPs decreases the contact angle, whereas surfactants do not significantly affect the contact angle; however, surfactant effectively reduce the IFT, while nano silica shows minimal influence on IFT values. Core flooding analysis showed that the SNP-02 nanofluid produced the highest recovery factor of 12.1% OOIP. Futhermore, SEM analysis showed that silica nanofluid injection removes surfactant impurities and enhances rock porosity.

Keywords

Collaboration network of the authors

40 authors · 165 co-authorship links · showing the 40 most connected

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  • Indonesia University of Education
  • Affiliation unknown
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Co-authorOrganisationJoint articles
Rochmadi RochmadiAffiliation unknown2
Suryo PurwonoAffiliation unknown2
Sunarno SunarnoAffiliation unknown1
Zalfa AlfatinnisaAffiliation unknown1
Mohammad Wahyu AndriyanAffiliation unknown1
Muhammad Ragil SaputraAffiliation unknown1
Endah Puji AstutiAffiliation unknown1
Sri IsdadiyantoAffiliation unknown1
La Ode Irman JayaAffiliation unknown1
Erma PrihastantiAffiliation unknown1
Della Widya PuspitaAffiliation unknown1
Sri Widodo Agung SuedyAffiliation unknown1
Arief BudimanAffiliation unknown1
Retno RingganiAffiliation unknown1
Derek CreaserAffiliation unknown1
Sri HaryantiIndonesia University of Education1
Parsaoran SiahaanIndonesia University of Education1
Hendri WidiyandariAffiliation unknown1
Wahyu SetiabudiAffiliation unknown1
Heru TjahjanaAffiliation unknown1
Mursid RaharjoAffiliation unknown1
Sulistiyani SulistiyaniAffiliation unknown1
Laily Isna RamadhaniAffiliation unknown1
Sri Ismiyati DamayantiAffiliation unknown1
Hanifrahmawan SudibyoAffiliation unknown1
Wiratni BudhijantoAffiliation unknown1

Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.

Metadata source: OAI-PMH (metadata jurnal) https://journal.lemigas.esdm.go.id/index.php/SCOG/oai, first harvested 10 Nov 2026, last seen 10 Nov 2026.
Original metadata (oai_dc) 
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	<dc:title xml:lang="en">Synergy of Nano Silica and Anionic Surfactant Fluid as Chemical Enhanced Oil Recovery</dc:title>
	<dc:creator xml:lang="en">Rowi, Khasan</dc:creator>
	<dc:creator xml:lang="en">Subagio, Agus</dc:creator>
	<dc:creator xml:lang="en">Ngadiwiyana</dc:creator>
	<dc:creator xml:lang="en">Taufiq, Heydar Ruffa</dc:creator>
	<dc:creator xml:lang="en">Azis, Muhammad Mufti</dc:creator>
	<dc:creator xml:lang="en">Prasetiyo, Bayu Dedi</dc:creator>
	<dc:creator xml:lang="en">Sitompul, Victor</dc:creator>
	<dc:creator xml:lang="en">Paryoto, Sumadi</dc:creator>
	<dc:creator xml:lang="en">Winata, Denie Tirta</dc:creator>
	<dc:creator xml:lang="en">Diharja, Tino</dc:creator>
	<dc:creator xml:lang="en">Yutaka, Michael Arya</dc:creator>
	<dc:creator xml:lang="en">Syarifudin, Abimanyu Putra</dc:creator>
	<dc:creator xml:lang="en">Firmansyah, Wahyu</dc:creator>
	<dc:creator xml:lang="en">Koestono, Hary</dc:creator>
	<dc:subject xml:lang="en">silica nano fluid</dc:subject>
	<dc:subject xml:lang="en">enhanced oil recovery (EOR)</dc:subject>
	<dc:subject xml:lang="en">thermal stability</dc:subject>
	<dc:subject xml:lang="en">core flooding</dc:subject>
	<dc:subject xml:lang="en">wettability</dc:subject>
	<dc:description xml:lang="en">Silica nanofluids attract significant attention for enhanced oil recovery (EOR) applications due to their ability to alter rock wettability. However, silica nanofluids exhibit limitations in thermal stability. The addition of anionic surfactants aims to overcome these limitations. The synergisticAnionic surfactants are added to address the thermal stability issues of silica nanofluids. The synergy interaction between silica nanoparticles (SNPs) and anionic surfactants enhances  wettability alteration, reduces interfacial tension (IFT), improves thermal stability, and increasing oil recovery. This study investigates the synergistic effects of SNPs, alpha olefin sulfonate (AOS) surfactant, and disodium laureth sulfosuccinate (DLS) co-surfactant in nanofluid formulations applied to sandstone reservoirs. Laboratory experiments employ colloidal nano silica with two particle sizes, 8 nm (SNP-01) and 3 nm (SNP-02), combined with AOS-DLS anionic surfactants at various concentrations . The study showed that the silica nanofluid remains stable for up to 3 months at temperatures below 80°C for both SNP types at a concentration of 0.1% with surfactant concentrations 0.3% AOS and 0.3% DLS in  3% brine solution. The addition of SNPs decreases the contact angle, whereas surfactants do not significantly affect the contact angle; however, surfactant effectively reduce the IFT, while  nano silica shows minimal influence on IFT values. Core flooding analysis showed that the SNP-02 nanofluid produced the highest recovery factor of 12.1% OOIP. Futhermore, SEM analysis showed that silica nanofluid injection removes surfactant impurities and enhances rock porosity.</dc:description>
	<dc:publisher xml:lang="en">Testing Center for Oil and Gas LEMIGAS</dc:publisher>
	<dc:date>2025-12-29</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.lemigas.esdm.go.id/index.php/SCOG/article/view/1951</dc:identifier>
	<dc:identifier>10.29017/scog.v48i4.1951</dc:identifier>
	<dc:source xml:lang="en">Scientific Contributions Oil and Gas; Vol. 48 No. 4 (2025); 337-355</dc:source>
	<dc:source xml:lang="id">Scientific Contributions Oil and Gas; Vol 48 No 4 (2025); 337-355</dc:source>
	<dc:source>2541-0520</dc:source>
	<dc:source>2089-3361</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.lemigas.esdm.go.id/index.php/SCOG/article/view/1951/1637</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2025 © Copyright by Authors. Published by LEMIGAS</dc:rights>
	<dc:rights xml:lang="en">https://creativecommons.org/licenses/by/4.0</dc:rights>
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