METHOD OF CYCLIC PULSE GAS-LIFT PRODUCTION OF FLUID Russian patent published in 2001 - IPC

Abstract RU 2162139 C2

FIELD: oil-producing industry, particularly, operation of low-production rate of oil and gas wells under conditions of low-formation pressure. SUBSTANCE: pulse of compressed gas is supplied to tubing hollow to build up in annular space pressure equalling the sum of bottom-hole pressure and pressure exerted on bottom hole by fluid column in annular space. Fluid is lifted by tubing hollow as gas pressure reduces in well. Next pulse of compressed air is supplied at stopping of fluid lifting from bottom hole. Frequency of compressed gas supply is determined by conditions of full lifting of fluid accumulated on bottom hole by gas. EFFECT: higher accuracy due to reduced power consumption with simplified technology. 1 dwg, 1 ex

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RU 2 162 139 C2

Authors

Basarygin Ju.M.

Budnikov V.F.

Zavertajlo M.M.

Pavlenko B.A.

Filippov V.T.

Dates

2001-01-20—Published

1998-11-17—Filed