METHOD FOR OIL AND GAS WELL CASING CEMENTING Russian patent published in 1994 - IPC

Abstract RU 2016188 C1

FIELD: oil and gas producing industry. SUBSTANCE: technical, economical and ecological deep well completion level is increased by improving the degree of substitution of drilling mud by plugging solution and by creation, during second section cementing, of a filtration preventing barrier of waste drilling mud in formations saturated by saline waters. EFFECT: increased efficiency of the process.

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RU 2 016 188 C1

Authors

Berezhnoj A.I.

Kazakov A.G.

Kharisov M.R.

Kern V.A.

Kochulin A.P.

Dates

1994-07-15Published

1989-03-30Filed