Water production isolation techniques for oil-wells with high reservoir temperature

Ivanova, T.N.; Krenicky, T.; Korshunov, A.I.; Vladimir, P.K.

Авторы: Ivanova Tatiana N., Krenicky Tibor, Korshunov Aleksandr I., Vladimir P.Koretckiy
Журнал: MM Science Journal
Номер: 6
Год издания: 2023
Издательство: MM Publishing s.r.o.
Местоположение издательства: Prague, Czech Republic
Первая страница: 6484
Последняя страница: 6488
DOI: 10.17973/MMSJ.2023_06_2023022
Аннотация: Advanced drilling technology makes it possible to penetrate oil and gas sites with deep bedding of oil reservoir, a complex multilayer structure and a high reservoir temperature at the well bottom, reaching 150°C. The difficult geology of oil strata leads to the fact that the productive layers of a well are flooded unevenly. In this work the causes for water cut in reservoirs are given, repair and insulation work and technologies for isolation of water-bearing intervals in the oil-producing wells considered. Grouting composites for water inflow limitation in reservoirs with low temperature (up to 100°C) and high-temperature reservoirs are studied. For water flood control in the oil and gas wells with high temperature viscoelastic composites with extended gel-time and high stable strength and adhesive properties has been proposed. The advantage of polymer-based composites is their kinetic behavior in dynamic mode, when filtering in a porous medium, which makes it possible to isolate effectively intake formations with different channel openings with a small flow rate of the mixture.
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Water production isolation techniques for oil-wells with high reservoir temperatureстатья Исследовательская статья

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