METHOD FOR EXTRACTING WATERED OIL DEPOSIT AT LATER STAGE BY MEANS OF GAS-HYDRODYNAMIC INFLUENCE

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 force...

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Hauptverfasser:	ZANICHKOVSKIJ F.M, MAKSUTOV R.A, SHARIFULLIN F.A, LEJBIN EH.L
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	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. ^ 1 ex, 1 tbl