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U.S. Department of Energy
Office of Scientific and Technical Information

Setting tools and liner hanger assembly

Patent ·
OSTI ID:6478972
A liner hanger and setting tool for use in oil well completions employing a liner hanger having a one piece body member and spring biased slips and a setting tool having a hydraulically actuated slip release mechanism normally retaining the slips in a retracted position and operable upon application of fluid pressure for releasing such slips. The setting tool has a retrievable pack-off bushing disposed in the bore of the liner hanger and a threaded nut type of release for disconnecting the setting tool from the liner hanger. The setting tool requires pressure for setting and rotation for release.
Assignee:
MWL Tool and Supply Company
Patent Number(s):
US 3188198
OSTI ID:
6478972
Country of Publication:
United States
Language:
English