| 摘要 |
oil and gas production. SUBSTANCE: invention relates to killing and restoring wells and, more specifically, to aqueous fluids employed for killing wells. Fluid contains, wt %: lignin (filler) 2.0, integrated polymer reagent (product of reaction of hydroxymethyl cellulose with carboxymethyl starch) 2.5-3.0, special-type organosilicon reagent 0.4-0.6, a surfactant 0.5, and, additionally, potassium chloride 5.0. EFFECT: improved filtration properties and minimized effect upon bottom zone permeability. 2 tbl
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