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Article

Polymer Retention Determination in Porous Media for Polymer Flooding in Unconsolidated Reservoir

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JSC “Messoyakhaneftegaz”, Holodilnaya Street, 77, 625026 Tyumen, Russia
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JSC “Gazpromneft—TP”, 50 Years of October Street, 14, 625048 Tyumen, Russia
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Coretest Service, Co., Ltd., Lenina Street, 2a, 625003 Tyumen, Russia
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Research Resource Center “Natural Resource Management and Physical-Chemical Research”, Institut of Chemistry, University of Tyumen, Volodarskogo, 6, 625003 Tyumen, Russia
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ICUBE Laboratory, UMR 7357 CNRS, University of Strasbourg, 67000 Strasbourg, France
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Institute of Physics and Technology, University of Tyumen, 625003 Tyumen, Russia
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141 Avenue Frères Lumière, 69008 Lyon, France
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Author to whom correspondence should be addressed.
Academic Editor: Emanoil Linul
Polymers 2021, 13(16), 2737; https://doi.org/10.3390/polym13162737
Received: 30 June 2021 / Revised: 9 August 2021 / Accepted: 10 August 2021 / Published: 16 August 2021
(This article belongs to the Special Issue Polymer Flooding and Rheology)
Polymer flooding is a well-established technique aimed at improved recovery factors from oilfields. Among the important parameters affecting the feasibility of a large deployment, polymer retention is one of the most critical since it directly impacts the oil bank delay and therefore the final economics of the project. This paper describes the work performed for the East-Messoyakhskoe oilfield located in Northern Siberia (Russia). A literature review was first performed to select the most appropriate methodology to assess polymer retention in unconsolidated cores at residual oil saturation. 4 polyacrylamide polymers were selected with molecular weights between 7 and 18 M Da and sulfonated monomer (ATBS) content between 0 and 5% molar. An improved 2-fronts dynamic retention method along with total organic carbon—total nitrogen analyzers were used for concentration measurement. Retention values vary between 93 and 444 The sentence could be rephrased μg/g, with the lowest given by the polymers containing ATBS, corroborating other publications on the topic. This paper also summarizes the main learnings gathered during the adaptation of laboratory procedures and paves the way for a faster and more efficient retention estimation for unconsolidated reservoirs. View Full-Text
Keywords: polymer dynamic retention; adsorption; unconsolidated core; polymer flooding; non-absorbable tracers; viscous oil polymer dynamic retention; adsorption; unconsolidated core; polymer flooding; non-absorbable tracers; viscous oil
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MDPI and ACS Style

Ilyasov, I.; Koltsov, I.; Golub, P.; Tretyakov, N.; Cheban, A.; Thomas, A. Polymer Retention Determination in Porous Media for Polymer Flooding in Unconsolidated Reservoir. Polymers 2021, 13, 2737. https://doi.org/10.3390/polym13162737

AMA Style

Ilyasov I, Koltsov I, Golub P, Tretyakov N, Cheban A, Thomas A. Polymer Retention Determination in Porous Media for Polymer Flooding in Unconsolidated Reservoir. Polymers. 2021; 13(16):2737. https://doi.org/10.3390/polym13162737

Chicago/Turabian Style

Ilyasov, Ilnur, Igor Koltsov, Pavel Golub, Nikolay Tretyakov, Andrei Cheban, and Antoine Thomas. 2021. "Polymer Retention Determination in Porous Media for Polymer Flooding in Unconsolidated Reservoir" Polymers 13, no. 16: 2737. https://doi.org/10.3390/polym13162737

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