FIELD: oil production. SUBSTANCE: method for exploitation oil deposit includes oil displacement by pumping a mixture in seam. The mixture consists of (per cent by weight): 0.005 - 0.5 polycrylamide, 0.05 - 1.5 oxyethylcellulose; water, the balance. EFFECT: higher efficiency. 2 tbl
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Authors
Dates
1997-01-20—Published
1993-11-10—Filed