Wells – Valves – closures or changeable restrictors
Patent
1976-03-29
1977-11-15
Leppink, James A.
Wells
Valves, closures or changeable restrictors
166 65M, 166120, E21B 2306
Patent
active
040581667
ABSTRACT:
A well tool and more particularly a hanger or setting tool actuating assembly for hanging a liner in a well or setting various other well equipment in a desired sub-surface position. The actuating assembly includes a magnet which is moved by means controlled remotely therefrom to cause a member magnetically coupled thereto to correspondingly move resulting in setting of the well equipment in the desired location.
REFERENCES:
patent: 2245712 (1941-06-01), Ragan
patent: 3318384 (1967-05-01), Brown
patent: 3666030 (1972-05-01), Bohn et al.
Leppink James A.
Otis Engineering Corporation
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