Downhole clutch assembly

Details Downhole clutch assembly Downhole clutch assembly

1996-02-23

1997-07-01

Suchfield, George A.

Wells

Detents or clutches

1662426, 166382, E21B 1710, E21B 2300

Patent

active

056427824

ABSTRACT:
Described is a clutch for providing a rotatable connection between the downhole end of a tubing string and a tubing anchor comprising first and second tubular subs and a connector device between the tubular subs, the connector device initially preventing relative rotation between the tubular subs and thereafter permitting relative rotation.

REFERENCES:
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patent: 3746090 (1973-07-01), Read et al.
patent: 3802505 (1974-04-01), Majors, Jr.
patent: 3809158 (1974-05-01), Bonds et al.
patent: 4010804 (1977-03-01), Garcia
patent: 4030546 (1977-06-01), Rogers et al.
patent: 4127168 (1978-11-01), Hanson
patent: 4418754 (1983-12-01), Stepp
patent: 4942925 (1990-07-01), Themig
patent: 5044441 (1991-09-01), Rubbo et al.
patent: 5139090 (1992-08-01), Land

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