FIELD: oil industry. SUBSTANCE: invention is related to oil and gas producing industry, to equipment designed to flood productive pools, in particular. Installation includes injection hole, submersible pump with electric motor, tubing string and packer installed above pool. Electric motor is positioned above well-head and is linked with the aid of shaft to submersible pump via stuffing-box seal. Inlet hole of pump communicates with water conduit, its outlet hole communicates with tubing string space. Tubing string is perforated in its lower part and rests against face. It is mounted for sliding through packer. Upper part of tubing string has releasable movable joint of plunger-cylinder type. EFFECT: simple, reliable and safe pumping of fluid into pool. 1 dwg
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