METHOD FOR EXTRACTING WATERED OIL DEPOSIT AT LATER STAGE BY MEANS OF GAS-HYDRODYNAMIC INFLUENCE Russian patent published in 2004 - IPC

Abstract RU 2236573 C1

FIELD: oil extractive industry.

SUBSTANCE: method includes pumping of working agent through force wells in non-stationary mode, determining character of oil-saturated depths distribution, operation of wells located in areas of higher values of flowing oil-saturated depths under conditions of forced extraction of liquid, periodically through force well gas-water mixture is fed, which consists of bed water and clean oil gas dispersed in it with size of bubbles up to 5 micrometers, while during all pumping pressure in face of force wells is kept no more than 0.7 of mountain pressure.

EFFECT: higher oil yield due to increase of effect of influencing process and due to increase of displacement coefficient.

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RU 2 236 573 C1

Authors

Lejbin Eh.L.

Sharifullin F.A.

Zanichkovskij F.M.

Maksutov R.A.

Dates

2004-09-20Published

2003-04-08Filed