Setting tool for a liner hanger assembly

Details Setting tool for a liner hanger assembly Setting tool for a liner hanger assembly

1990-09-10

1991-09-17

Novosad, Stephen J.

Wells

Expansible anchor or casing

Liner hanger

166216, 166285, 166382, E21B 2300

Patent

active

050486063

ABSTRACT:
A setting tool for a liner hanger in an oil well completion system wherein the setting tool mechanism incorporates the necessary structure for manipulating a liner prior to and subsequent to hanging the liner hanger in a well casing. Prior to setting the liner hanger the setting tool is keyed to a liner hanger by longitudinal dogs in longitudinal grooves. After hanging the liner hanger, the dogs are released and rotation of the setting tool mandrel uncouples a coupling nut from the liner hanger to release the setting tool from the liner hanger and further rotation locks the setting tool mandrel to the clutch housing with a lock nut so that the liner hanger can be rotated after it is hung in a well casing.

REFERENCES:
patent: 3136367 (1964-06-01), Wright et al.
patent: 3158201 (1964-11-01), Springer
patent: 4010804 (1977-03-01), Garcia
patent: 4388971 (1983-06-01), Peterson
patent: 4562889 (1986-01-01), Braddick
patent: 4580631 (1986-04-01), Baugh
patent: 4598774 (1986-07-01), Bevels et al.
patent: 4834185 (1989-05-01), Braddick

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