FIELD: oil industry.
SUBSTANCE: invention relates to oil and gas industry, particularly killing of oil and gas wells. Viscoelastic composition for killing oil and gas wells contains peat, alkaline modifier inhibitor, antifoaming agent, polymer, weighting additive and water. Additionally contains a weighting agent - barite, and as fluid loss agent and flocculant - carboxymethyl cellulose (CMC) in following ratio,%: peat 5-7, potassium-containing alkaline modifier 0.5-1.5, potassium chloride 1-3, polymer CMC 0.8-1.5, antifoaming agent MAS-200 m 1-3, weighing agent 10-50, water - balance.
EFFECT: technical result is development of viscoelastic composition for killing oil and gas wells, providing preservation of filtration-capacitance properties of rocks, which increases efficiency of killing of oil and gas wells.
1 cl, 4 tbl
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