FIELD: chemistry.
SUBSTANCE: composition for well intervention contains 2.0% aqua solution of polyvinyl alcohol-PVS-B1H and microdure blend "U" with calcium hypochlorite Ca(CLO)2 with the following ratio of components, % vol: 2.0% aqua solution of polyvinyl alcohol-PVS-B1H 50.0, microdure blend "U" with calcium hypochlorite Ca(CLO)2 including microdure "U" 48, Ca(CLO)2 2.0.
EFFECT: insuring of water isolation in reservoirs of any permeability and elimination of housing pipe leakage.
2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD TO STIMULATE HYDROCARBON INFLOW FROM WELL CHARACTERIZED BY ABNORMALLY HIGH RESERVOIR PRESSURE | 2006 |
|
RU2316646C2 |
| COMPOSITION FOR REPAIR AND WATER-SHUTOFF OPERATIONS IN OIL AND GAS WELLS | 2003 |
|
RU2242606C1 |
| METHOD OF BOTTOM WATER CONE CUTTING | 2016 |
|
RU2655490C2 |
| METHOD FOR ISOLATION OF BOTTOM WATER INFLOW IN OIL WELLS | 2015 |
|
RU2588582C1 |
| COMPOSITION FOR REPAIR AND WATERPROOFING OPERATIONS IN WELLS | 2002 |
|
RU2211306C1 |
| METHOD FOR PREVENTION OF BOTTOM WATER INFLUX TO PRODUCING OIL WELL | 2016 |
|
RU2620684C1 |
| METHOD FOR ISOLATING INFLOW OF BOTTOM WATER IN OIL WELLS | 2016 |
|
RU2631512C1 |
| COMPOSITION FOR BLOCKING AND PLUGGING OIL, GAS AND GAS-CONDENSATE WELLS | 2007 |
|
RU2353641C2 |
| SELECTIVE COMPOSITION FOR REPAIR AND ISOLATION IN OIL AND GAS WELLS | 2013 |
|
RU2529080C1 |
| COMPOUND FOR INSULATION OF FORMATION WATERS, ELIMINATION OF INTER-FORMATION AND ANNULAR SPACE CROSSFLOWS | 1992 |
|
RU2032068C1 |
