FIELD: oil and gas industry.
SUBSTANCE: invention refers to sealing compositions for insulation works carried out in production wells of minefields and underground storage of gas, which can be used for insulation of between-casing and after-casing space, repeated sealing of threaded connections of casing strings. Sealing composition for insulation work in the well includes the following, wt %: synthetic camphor 1-49, polyvinylbutyral film 1-6, isopropyl alcohol is the rest.
EFFECT: increasing efficiency of insulation works carried out in wells owing to using sealing composition with improved process properties determined with increased plasticising properties, adhesion of composition to surfaces of protective and production strings, and increasing the time of the well operation between overhauls.
1 tbl, 5 ex
| Title | Year | Author | Number |
|---|---|---|---|
| SEALING COMPOSITION FOR INSULATION WORK IN WELL | 2009 |
|
RU2399644C1 |
| SEALING COMPOSITION FOR REMEDIAL CEMENTING | 2008 |
|
RU2387691C1 |
| SEALANT FOR WELL ISOLATION WORK | 2011 |
|
RU2493189C2 |
| METHOD FOR EXPRESS-REPAIRS TO RESTORE PRESSURIZATION OF GAS-WATER-OIL SHOWING WELLS | 2005 |
|
RU2287663C2 |
| METHOD OF EXPRESS-REPAIR FOR RESTORATION OF TIGHTNESS OF GAS-WATER-OIL SHOWINGS OF WELLS | 2008 |
|
RU2364702C1 |
| METHOD OF REINFORCEMENT OF LINING OF GAS WELLS | 1998 |
|
RU2166613C2 |
| METHOD FOR ELIMINATION OF LEAKAGE OF STRINGS OF OIL AND GAS WELLS | 2014 |
|
RU2586360C1 |
| METHOD FOR CARRYING OUT REPAIR AND INSULATION WORK IN THE WELL | 2022 |
|
RU2785984C1 |
| ABANDONMENT METHOD FOR WELL WITH GAS SHOW IN TUBING-CASING ANNULUS | 2005 |
|
RU2305754C2 |
| METHOD OF LIQUIDATION OF LEAKINESS OF WORKING STRING OF OIL AND GAS RECOVERY WELL | 2007 |
|
RU2333346C1 |
