Alternative Fracturing Fluids: Expanding the Field of Possible Applications and Properties of Hydrophobically Modified Polyacrylamide-Reference-Cited by-同舟云学术

Alternative Fracturing Fluids: Expanding the Field of Possible Applications and Properties of Hydrophobically Modified Polyacrylamide

Published:2020-10-26 Issue: Volume: Page:
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Container-title:Day 2 Tue, October 27, 2020
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Author:

Aleshina Anna Leonidovna¹,Shibaev Andrey Vladimirovich¹,Philippova Olga Evgenievna¹,Osiptsov Andrei Alexandrovich²,Shel Egor Vladimirovich³,Paderin Grigory Vladimirovich³,Saifutdinov Elnar Faridovich³,Churakov Artem Vladimirovich³,Fayzullin Ildar Gayazovich³

Affiliation:

1. Lomonosov Moscow State University, Moscow, Russia

2. Skolkovo Institute of Science and Technology (Skoltech), Moscow, Russia

3. LLC Gazpromneft STC, St. Petersburg, Russia

Abstract

Abstract In this paper, the properties of an alternative fluid for hydraulic fracturing (HF) technology based on hydrophobically modified polyacrylamide (HM-PAAm) are studied. HM-PAAm forms gels as a result of cross-linking of polymer chains by hydrophobic domains. Such cross-links are strong enough to impart resistance to temperature, but they can break and recombine under external influences, which makes it possible to restore properties after strong mechanical shear stresses. In the work, the influence of polymer concentration, temperature, and shear rate on the rheological properties of the gels was studied and the conditions for producing gels promising for use in hydraulic fracturing technology were determined.

Publisher

SPE

Link

http://onepetro.org/SPERPTC/proceedings-pdf/doi/10.2118/202068-MS/2403721/spe-202068-ms.pdf

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