E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/035 (2006.01) E21B 17/08 (2006.01) E21B 33/04 (2006.01) E21B 33/043 (2006.01)
Patent
CA 2324761
A tensioning device is disclosed which brings two tubular segments closer together with an intermediate adjustment sleeve. The sleeve is threaded externally and may be accessed internally by a tool to rotate it. The threaded sleeve is secured to the upper tubular in a manner that permits relative rotation. Rotation of the sleeve advances it downwardly in the lower tubular, pulling down the upper tubular secured to the rotating sleeve. The upper tubular translates until a load shoulder hits a support surface in the wellhead to achieve the desired tension in the string.
Nguyen Dennis P.
Vanderford Delbert E.
Cameron International Corporation
Cooper Cameron Corporation
Tomkins Donald V.
LandOfFree
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