FIELD: oil and gas production industry, particularly for well thawing.
SUBSTANCE: method involves lowering flushing pipe string of lesser diameter into producing tube; flushing well bore with hot technological solution and lengthening flushing pipes as hydrate ice block damages, wherein potassium chloride electrolyte is used as the technological solution.
EFFECT: increased reliability and efficiency.
| Title | Year | Author | Number |
|---|---|---|---|
| LIGHTENED SALT SOLUTION FOR THAWING GAS WELLS | 2006 |
|
RU2319725C1 |
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| THERMAL METHOD FOR DESTROYING HYDRATE BLOCK IN WELL | 0 |
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SU1796010A3 |
| PROCESS OF RESTORATION OF WELLS UNFIT FOR FURTHER USE | 1999 |
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| METHOD FOR REMOVING SAND-CLAY PLUG IN WELL AND ITS DEVELOPMENT UNDER CONDITIONS OF ABNORMALLY LOW FORMATION PRESSURES | 2013 |
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RU2544944C2 |
