Through-tubing, retrievable downhole submersible electrical pump

Details Through-tubing, retrievable downhole submersible electrical pump Through-tubing, retrievable downhole submersible electrical pump

1996-09-23

1998-05-05

Thorpe, Timothy

Pumps

Processes

417360, 418 48, 166377, F04B 1703

Patent

active

057465827

ABSTRACT:
A method and a pumping system for lifting formation fluids from a production zone in a wellbore which allows the pump unit to be retrieved through the production tubing while leaving the tubing, electrical cable, and the remainder of the components of the pumping system in place. A pump unit is retrievably positioned within the production tubing and is releasably connected to a downhole motor whereby the motor will drive the pump when electricity is supplied thereto through the cable secured to the tubing. This allows the pump unit to be both retrieved and installed through the tubing without removing the production tubing string, the motor, or the electrical cable from the wellbore.

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Petroleum Production Engineering-Oil Field Exploitation: L.C. Uren, 1953, McGraw-Hill Book Co., pp. 390-391.
Brochure: ESPCP.TM., Centrilift, A Baker Hughes Co., Claremore OK.
Brochure: Rotalift.TM., Highland Corp, Odessa, TX.
Brochures:(1) Automatic Top Seal and (2) Processing-cavity pumps; National-Oilwell, Houston, TX.

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