Alternative fracturing fluids: Expanding the field of possible applications and properties of hydrophobically modified polyacrylamide

Авторы: Алешина А.Л., Шибаев А.В., Филиппова О.Е., Осипцов А.А., Шель Е.В., Падерин Г.В., Сайфутдинов Э.Ф., Чураков А.В., Файзуллин И.Г.
Сборник: SPE Russian Petroleum Technology Conference
Год издания: 2020
Издательство: Society of Petroleum Engineers, Inc.
Местоположение издательства: United States
Номер статьи: SPE-202068-MS
DOI: 10.2118/202068-MS
Аннотация: 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.
Добавил в систему: Шибаев Андрей Владимирович

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