FORMATION WATER INFLOW SHUTOFF COMPOSITION
FIELD: oil and gas production. ^ SUBSTANCE: object of invention is to limit water inflow in injection well to increase oil recovery of formations. Composition according to invention containing clay (0.1-0.6%), biopolymer (0.1-0.25%), and water further contains 0.2-0.5% of polyacrylamide modified by...
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| creator | ROMANTSEV MIKHAIL FEDOROVICH MEJNTSER VALERIJ OTTOVICH |
| description | FIELD: oil and gas production. ^ SUBSTANCE: object of invention is to limit water inflow in injection well to increase oil recovery of formations. Composition according to invention containing clay (0.1-0.6%), biopolymer (0.1-0.25%), and water further contains 0.2-0.5% of polyacrylamide modified by a radiation-chemical method, said biopolymer being xanthan gum produced by bacterium strains Xanthomo and Campestrin in a hydrocarbon medium. ^ EFFECT: improved quality of grouting composition and achieved high grouting characteristics. ^ 1 tbl |
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| language | eng ; rus |
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| subjects | ADHESIVES CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES |
| title | FORMATION WATER INFLOW SHUTOFF COMPOSITION |
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