FIELD: oil and gas production.
SUBSTANCE: blocking liquid for well plugging with abnormally low formation pressure contains the following components, wt %: acyclic acid, expressed in formula CnH2n-mO2; where m - 2 or 4, or 6 - 18.0-24.0; carbon-chain polymer - 2.0-3.0; caustic soda - 13.1-15.0; hydrophobic mineral filler - 30.0-50.0; gas condensate - the rest.
EFFECT: improved efficiency of well plugging method with abnormally low formation pressure.
4 tbl
| Title | Year | Author | Number |
|---|---|---|---|
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