FIELD: oil industry.
SUBSTANCE: invention relates to oil industry and can be used for killing of wells. Dry mixture for killing of oil and gas wells and formation treatment of bottomhole zone, containing calcium chloride, magnesium chloride and corrosion inhibitor, contains as a corrosion inhibitor of sodium chromate, additionally - scaling inhibitor-aminotrimethylene phosphonic acid with content of crystallisation of moisture, with following component ratio, wt%: calcium chloride 50.0-80.0 %, magnesium chloride 19.7-33.0, sodium chromate 0.1-3.0, scaling inhibitor 0.1-1.0, crystallisation moisture 0.1-13.0.
EFFECT: technical result is increasing flexibility and possibility of using mixture at low temperatures.
1 cl, 1 tbl
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