COMPOUND FOR ISOLATION OF WATER-BEARING STRATA
FIELD: oil and gas production industry. SUBSTANCE: this can be used for isolation or limiting water inflow to wells and absorption zones both in terrigenous and carbonate reservoirs, and for levelling profile of injectivity in injection wells. Compound contains water-soluble polymer of acrylic line,...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
20.01.1998
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Edition | 6 |
Subjects | |
Online Access | Get full text |
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Summary: | FIELD: oil and gas production industry. SUBSTANCE: this can be used for isolation or limiting water inflow to wells and absorption zones both in terrigenous and carbonate reservoirs, and for levelling profile of injectivity in injection wells. Compound contains water-soluble polymer of acrylic line, sodium silicate, gel-formation silicate, water, and filler in the form of saw-dust plasticized with carbamide and magnium saw-dust in mass ration of 2:1-20:1. EFFECT: high efficiency. 1 tbl |
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Bibliography: | Application Number: RU19960104510 |