PLANT FOR SIMULTANEOUS OIL PRODUCTION FROM TWO FORMATIONS Russian patent published in 2017 - IPC E21B43/14 F04D13/12

Abstract RU 2630835 C1

FIELD: oil and gas industry.

SUBSTANCE: plant for simultaneous production of oil from two formations contains a screw pump running into a well on tubing, a packer. In this case, a screw sucker-rod pump, which rotor is connected to the upper frequency-controlled drive, is located above the upper formation, and the second frequency-controlled electric screw pump is located above the lower formation. The supporting unit of the electric screw pump is connected by flexible shaft with a pump rotor connected to a valve motor equipped with a telemetry unit with pressure, temperature and vibration sensors. The packer is installed between the electric screw pump and the upper formation. The plant is additionally equipped with passive gas separator installed under the sucker-rod screw pump with an input module and above the output module of the electric screw pump. The input module of the rod screw pump and the output module of the lower electric screw pump have longitudinal slots for introducing oil and gas containing liquid from the lower horizon into the above-packer zone.

EFFECT: expansion of operational capabilities.

2 cl, 1 dwg

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RU 2 630 835 C1

Authors

Mommert Karl-Heinz

Subbotin Vitalij Alekseevich

Dates

2017-09-13—Published

2016-08-04—Filed