FIELD: oil and gas production.
SUBSTANCE: emulsion solution on hydrocarbon base contains wt %: diesel fuel 14.98-84.55, organophilic bentonite 0.39÷4.26, "Emulsifier MR" 0.83-2.38, "Oil-wetting agent ABR" 0.015-0.73, water phase mineralised with potassium, or sodium, or calcium chloride 1.5-36.73, 20 %-solution of poly-isobutylene with molecular weight 20000 in industrial oil I-20A 0.33-3.81, calcium oxide 0.39-2.38, mineral filler - chalk or barite - the rest.
EFFECT: formation of process emulsion solution on hydrocarbon base facilitating reduction of dispersive ability of drilled out clay slime and improved filtration-capacitive characteristics of pay at initial exposure and at well killing.
2 cl, 5 tbl
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