WELL KILLING FLUID Russian patent published in 2003 - IPC

Abstract RU 2203304 C2

FIELD: oil and gas production. SUBSTANCE: water-based fluid is composed, wt.%: glycerol, 50.0-60.0; and additionally sulfacell, 1.5- 2.0; potassium chloride, 2.0; disolvan, 0.5; and aluminosilicate microspheres, 5.0-15.0. EFFECT: retained initial permeability of formation and increased frost resistance of fluid. 2 tbl

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RU 2 203 304 C2

Authors

Panikarovskij V.V.

Shchupletsov V.A.

Jushkova N.E.

Romanov V.K.

Matsuk S.N.

Dates

2003-04-27—Published

2001-07-02—Filed