FIELD: oil and gas producing industry. SUBSTANCE: device consists of cylinder in form of set of subs, jet pump which includes body, nozzle, ejector, suction channel and radial channels. Made in jet pump are radial and flushing channels and spring which returns the jet pump to its initial position. Arranged in cylinder are slime separator, filter holes, slime settler and bottom-hole pressure gage. Installed on device cylinder is packer. Device provides for control of completion and treatment process from the wellhead by injection of mud to pipe or beyond the pipe space. EFFECT: simplified operations involved in completion and treatment of wells. 2 cl, 1 dwg
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