FIELD: oil and gas industry.
SUBSTANCE: invention relates to oil and gas industry, specifically to elimination of inter-string gas shows in oil and gas wells, located in ice-rich permafrost rocks (PFR). Composition for elimination of inter-string gas shows in gas well located in ice-rich PFR contains, wt%: high-viscosity carboxymethyl cellulose (CMC) 12.0-17.0, bentonite clay 8.0-15.0; asbestos crumbs 13.0-20.0, water-methanol solution taken at a ratio of 70:30 - balance.
EFFECT: higher efficiency of elimination of inter-string gas shows.
1 cl, 1 tbl
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Authors
Dates
2016-06-27—Published
2015-03-25—Filed