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Title: Liner hanger assembly with combination setting tool

Patent ·
OSTI ID:5394192

A setting tool and liner hanger for setting a liner in a well bore traversing earth formation is described which includes: a tubular outer member adapted for coupling to a liner; a setting tool having a tubular inner member arranged for coupling to a drill or work string, interconnecting means for releasably interconnecting the inner member and the outer member, hydraulic-mechanical actuator means carried by the inner member and having a hydraulic cylinder movable between contracted and expanded positions, spring means cooperating with the cylinder for providing a mechanical force, the cylinder having access to the bore of the inner member for the application of hydraulic pressure; slip actuator means for moving the slip means in response to operation of the hydraulic-mechanical actuator means, release means for releasably retaining the actuator means in a contracted position on the inner member, the release means being operable in response to hydraulic pressure to the cylinder or operable in response to relative rotation between the tubular inner member and the slip actuator means to release the mechanical force.

Assignee:
Lindsey Completion Systems, Midland, TX
Patent Number(s):
US 4712614
OSTI ID:
5394192
Resource Relation:
Patent File Date: Filed date 29 Aug 1986
Country of Publication:
United States
Language:
English