METHOD FOR METERING OF CHEMICAL AGENT INJECTED INTO WELL Russian patent published in 1994 - IPC

Abstract RU 2012780 C1

FIELD: oil producing industry. SUBSTANCE: metering of chemical agent fed to neighboring wells of well cluster is effected by means of deep well pump. With partially closed delivery gate valve, part of produced fluid is injected through hole in tubing to above-packer zone of hole clearance to force out chemical agent to neighboring wells of well cluster. Excessive gas phase from under-packer zone of hole clearance is bled through check valve in to tubing. EFFECT: efficiency. 1 dwg

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RU 2 012 780 C1

Authors

Nizamov K.R.

Karamyshev V.G.

Sabirov U.N.

D'Jachuk A.I.

Valeev M.D.

Akhmadishin R.Z.

Dates

1994-05-15—Published

1991-03-21—Filed