FIELD: oil production industry. SUBSTANCE: this is aimed at increasing oil recovery from beds at late stage of development. According to method, injected into bed through injection well is water solution of ammonium salt and used in its function is ammonium chloride, and additionally injected into bed is water solution of silicate of alkali metals. EFFECT: high efficiency. 2 tbl
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METHOD FOR DEVELOPMENT OF OIL DEPOSIT | 1996 |
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Authors
Dates
1997-11-20—Published
1996-05-27—Filed