FIELD: gas and oil production; applicable in well servicing and workover. SUBSTANCE: fluid for well killing contains monosulfite black liquor (85-94 mas.) and salt of univalent or bivalent metals of hydrochloric acid (6-15 mas.). EFFECT: preserved initial permeability of formation after well killing and increased gas-retaining capacity of fluid with simultaneous imparting to fluid of frost resistance. 2 cl, 1 tbl
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Authors
Dates
1995-09-27—Published
1993-01-14—Filed