Guide member details for a through-tubing retrievable well pump

Details Guide member details for a through-tubing retrievable well pump Guide member details for a through-tubing retrievable well pump

1997-09-11

1999-09-21

Thorpe, Timothy S.

Pumps

Motor driven

Including means for facilitating assembly or disassembly of...

1662426, 1662427, 166105, F04B 1703

Patent

active

059544830

ABSTRACT:
A well pump assembly has an electric motor that is secured to a lower end of a string of production tubing. The motor is powered by a power cable that extends alongside the tubing to the surface. The motor has an upper end with a drive shaft coupling. The pump for the motor is lowered through the production tubing on a wireline, wire rope or coiled tubing. The pump has a lower end which has a driven shaft coupling that makes up in stabbing engagement with the drive shaft coupling when the pump reaches the motor. The driven shaft coupling includes a guide which slides into a coupling housing. Orientating keys orient the guide and lock it from rotation.

REFERENCES:
patent: 3677665 (1972-07-01), Corkill
patent: 4592427 (1986-06-01), Morgan
patent: 4678031 (1987-07-01), Blandford et al.
patent: 5145007 (1992-09-01), Dinkins
patent: 5501580 (1996-03-01), Barrus et al.
patent: 5736582 (1998-04-01), Patterson
patent: 5871051 (1999-02-01), Mann

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