FIELD: oil and gas production.
SUBSTANCE: object of invention are water-shutoff operations and lining of borehole environment in producing formations of oil and gas wells. Composition according to invention containing liquid glass Na2SiO3 (88.1%), additionally contains, as dispersion medium, 10.6% sodium silicofluoride and 1.3% calcium hydroxide (filler).
EFFECT: enhanced waterproofing property of suppercollectors and their lining.
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| Title | Year | Author | Number |
|---|---|---|---|
| WELL INTERVENTION COMPOSITION | 2006 |
|
RU2326922C1 |
| COMPOSITION FOR FORMATION WATER SHUTOFF IN HIGH-TEMPERATURE OIL AND GAS WELLS | 2000 |
|
RU2196890C2 |
| COMPOSITION FOR REPAIR AND WATERPROOFING OPERATIONS IN WELLS | 2002 |
|
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|
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|
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|
RU2386661C1 |
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|
RU2416020C1 |
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|
RU2196877C2 |
| COMPOSITION FOR INSULATION OF WATER INFLOWS TO GAS WELLS AND METHOD FOR ITS MAKE-UP | 2014 |
|
RU2571458C1 |
| GEL-FORMING COMPOSITIONS FOR WELL WATER SEALING | 2009 |
|
RU2397195C1 |
