METHOD FOR WELL COMPLETION Russian patent published in 1995 - IPC

Abstract RU 2051274 C1

FIELD: oil producing industry. SUBSTANCE: injected successively during cementation are solidifying and nonsolidifying materials, with nonsolidifying material disposed against producing formation. Nonsolidifying material is used in form of suspension of carbonates of alkali-earth metals, such as, chalk, or dolomite, or magnesite. After perforation of casing string, the suspension is gassed with use of acid and removed from drill string-borehole annulus. EFFECT: higher efficiency. 2 cl, 1 tbl

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RU 2 051 274 C1

Authors

Lukmanov Rauf Rakhimovich

Dates

1995-12-27—Published

1992-11-10—Filed