Hydraulic running tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 5, 2001
Grant Date -
N/A
app pub date -
Jul 7, 1999
filing date -
Jul 7, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention generally provides a running tool which can be released using hydraulic pressure and can provide continued rotation to a liner hanger or other tool disposed below and rotationally connected to the running tool. In one aspect, a hydraulic assembly is provided to release a thrusting cap from rotation so that a threaded connection between the running tool and the liner hanger can be released. On release of the liner hanger, a lock nut travels down a threaded surface of the thrusting cap and engages the thrusting cap to continue rotation through the thrusting cap. Additionally, the running tool may include a mechanical release operable without the assistance of hydraulic pressure.
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