METHOD FOR DEVELOPMENT OF OIL DEPOSIT WITH GAS CAP

FIELD: oil and gas production industry. SUBSTANCE: according to method, injected into oil part of bed through injection wells are fringes of solvent with recovery of oil through producing wells. Used is solvent containing oil-soluble polymer and/or oil-soluble surface-active matter. Solvent is injec...

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Bibliographische Detailangaben
Hauptverfasser:	STEPANOVA G.S, MOSINA A.A, BABAEVA I.A, SHOVKRINSKIJ G.JU, ZAVOLZHSKIJ V.B, LI A.A
Format:	Patent
Sprache:	eng
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 and gas production industry. SUBSTANCE: according to method, injected into oil part of bed through injection wells are fringes of solvent with recovery of oil through producing wells. Used is solvent containing oil-soluble polymer and/or oil-soluble surface-active matter. Solvent is injected into preliminarily determined zones of higher gas saturation, and after injection of solvent, water is injected into oil part of bed. Water is injected periodically or permanently with various intensity. EFFECT: high efficiency. 1 cl, 1 dwga