FIELD: oil and gas industry.
SUBSTANCE: well equipment for treatment of formation bottomhole zone consists of a jet pump, a production tubing string (PTS), a ground power pump, a ground separation system and a control system. The jet pump includes a mixing chamber and a nozzle. An inlet channel of the jet pump nozzle is connected to the ground power pump through the tubing string. An output of the mixing chamber of the jet pump is connected by a pipeline to the ground separation system. A control valve connected to the jet pump is connected by a communication channel to the control system. In this case, the inlet channel of the jet pump nozzle is further communicated via the control valve with the outlet of the mixing chamber. The control system is made in the ground version.
EFFECT: increased reliability of equipment and expanding field of its application.
4 cl, 1 dwg
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