Mandrel operated torque anchor

Details Mandrel operated torque anchor Mandrel operated torque anchor

1993-08-31

1994-09-27

Powell, Michael

Wells

Expansible anchor or casing

Expansible means translated by wedge or cam

E21B 2300

Patent

active

053500130

ABSTRACT:
A mandrel-operated tension torque anchor for insertion into the casing of a well to anchor the pipe string from rotation and vertical movement. The anchor comprises drive member for cones to operate anchoring slips, which drive member are operatively secured to the mandrel to rotate therewith and threadably secured to the anchor frame so as to cause movement of the cones into anchoring position on rotation of the mandrel in one direction.

REFERENCES:
patent: 4047565 (1977-09-01), Crickmer
patent: 4049055 (1977-09-01), Brown
patent: 4059150 (1977-11-01), Manderscheid
patent: 4359090 (1982-11-01), Luke

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