Hydraulic running tool for liner hangers

Details Hydraulic running tool for liner hangers Hydraulic running tool for liner hangers

E - Fixed Constructions

21

B

166/59

E21B 23/03 (2006.01) E21B 23/04 (2006.01) E21B 43/10 (2006.01)

Patent

CA 1130203

HYDRAULIC RUNNING TOOL FOR LINER HANGERS Abstract of the Disclosure The present invention discloses an apparatus for running and setting a liner hanger in a well bore casing. The usual liner hanger comprises two movable tubular members and a gripping means which is activated by relative movement of said members. The running and setting tool of this invention is connected to each of the tubular members of the hanger by selectively releasable means and includes a pressure respon- sive piston and cylinder assembly which transmits relative movement to the tubular members and thereby sets the gripping means. Coacting means on the running and setting tool and on the liner hanger prevents premature setting of the gripping means prior to piston and cylinder movement. After setting the hanger, the tool and its operating parts including the piston and cylinder assembly are removed from the well.

343985

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