METHOD FOR DEEP TREATMENT OF BED WITH VISCOUS-ELASTIC COMPOUND

FIELD: oil production industry. SUBSTANCE: according to method, prepared is viscous-elastic compound and then it is injected at pressure which is by 50-90% lower than nominal value of flooding pressure. Volumes of injection are as follows: 110-120 cu.m, 120-250 cu.m, 250-500 cu.m, 500-750 cu.m per 1...

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Hauptverfasser:	OSENOV N.L, AKHMETSHIN I.D, KOSHCHEEV I.G, POPOV V.I, KOL'CHUGIN I.S, REVJAKIN V.A, TELIN A.G
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PAINTS POLISHES
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Zusammenfassung:	FIELD: oil production industry. SUBSTANCE: according to method, prepared is viscous-elastic compound and then it is injected at pressure which is by 50-90% lower than nominal value of flooding pressure. Volumes of injection are as follows: 110-120 cu.m, 120-250 cu.m, 250-500 cu.m, 500-750 cu.m per 1 m of absorbing thickness of bed. Injectivity of wells being correspondingly from 50 to 100 cu.m/day, from 100 to 200 cu.m/day, from 200 to 300 cu. m/day, from 300 to 1000 cu.m/day. Application of method increases oil recovery from bed. EFFECT: higher efficiency. 1 dwg