Setting tools and liner hanger assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 8, 1981
Grant Date -
N/A
app pub date -
Jan 7, 1980
filing date -
Jan 7, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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 retreivable 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.
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Cited Art Landscape
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