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Patent Searching and Data


Title:
WELL LOCK WITH MULTIPLE SHEAR PLANES
Document Type and Number:
WIPO Patent Application WO1999042699
Kind Code:
A3
Abstract:
In a broad aspect, the invention is directed to a well locking device (10) having a shear ring for retaining a setting wedge (43) within a well lock housing during running, setting, locking, and removing the well locking device within a bore of a well tubing (30). In a particular embodiment, the well locking device (10) may include a no-go shoulder (25) provided on the running tool (20) used to locate and set the well lock (10) downhole within the tubing.

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Inventors:
PRINGLE RONALD E
Application Number:
PCT/US1999/003423
Publication Date:
October 21, 1999
Filing Date:
February 16, 1999
Export Citation:
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Assignee:
CAMCO INT (US)
International Classes:
E21B23/02; E21B41/00; (IPC1-7): E21B23/02; E21B23/06
Foreign References:
US4718488A1988-01-12
GB2312455A1997-10-29
US4399873A1983-08-23
US4570707A1986-02-18
US4497371A1985-02-05
GB2172633A1986-09-24
US4292819A1981-10-06
US4815747A1989-03-28
US4426105A1984-01-17
US3585803A1971-06-22
US4459931A1984-07-17
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