Rotary drive apparatus for downhold pump

Details Rotary drive apparatus for downhold pump Rotary drive apparatus for downhold pump

1987-02-06

1988-01-05

Leppink, James A.

Wells

With below and above ground modification

Eduction pump or plunger in well

166 78, 417424, E21B 4300

Patent

active

047169613

ABSTRACT:
A rotary drive apparatus is provided for connection to a rotary drive string extending downwardly in a well to a rotary downhole pump. Separate axial load bearing and rotary drive spindles are provided and are separately connected to the rotary drive string by readily releasable connectors so as to permit axial adjustment of the rotary drive string while preventing loss of the string into the well in the event of release or slippage of one of the connectors. The design also permits repair or adjustment of the drive apparatus without removal of the rotary drive string from the well.

REFERENCES:
patent: 1704362 (1929-03-01), Johnson
patent: 1709478 (1929-04-01), Layne
patent: 2107481 (1938-02-01), Johnson
patent: 2178700 (1939-11-01), Penick et al.
patent: 4087211 (1978-05-01), Pochyly
patent: 4372379 (1983-02-01), Kulhanek et al.

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