Downhole pump drive head assembly

Details Downhole pump drive head assembly Downhole pump drive head assembly

1997-01-22

1998-05-12

Schoeppel, Roger J.

Wells

With below and above ground modification

Eduction pump or plunger in well

E21B 4300, F16D 910

Patent

active

057494169

ABSTRACT:
A downhole pump drive head assembly for driving the rod string which rotates the rotor of a downhole pump, includes a body 12 provided with upper and lower bearings 14,16, in which is rotatably mounted a drive shaft 22, which carries, for rotation therewith, a polish rod 20 of the rod string. A hydraulic retarder 28 is mounted on the body 12 and includes a stator turbine 30, and a rotor turbine 32, the rotor turbine being mounted with respect to the shaft 22, for example by means of a free wheel mechanism 42.
The hydraulic retarder, therefore, operates to control rotation and prevent back-spin of the rod string.

REFERENCES:
patent: 3447650 (1969-06-01), Dossier
patent: 3585473 (1971-06-01), Huxtable
patent: 4314487 (1982-02-01), Ahlen
patent: 4320799 (1982-03-01), Gilbertson
patent: 4372379 (1983-02-01), Kulhanek et al.
patent: 4687085 (1987-08-01), Shimizu et al.
patent: 4716961 (1988-01-01), Makins et al.
patent: 5143153 (1992-09-01), Bach et al.
patent: 5257685 (1993-11-01), Tichiaz et al.
patent: 5327961 (1994-07-01), Mills
patent: 5358036 (1994-10-01), Mills
patent: 5370179 (1994-12-01), Mills
patent: 5573063 (1996-11-01), Morrow

Affiliated with

Also associated with

Rating

Downhole pump drive head assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Downhole pump drive head assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Downhole pump drive head assembly will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-972892