Wellhead isolation tool nipple

Details Wellhead isolation tool nipple Wellhead isolation tool nipple

E - Fixed Constructions

21

B

166/59, 277/6

E21B 23/03 (2006.01) E21B 33/04 (2006.01) E21B 33/068 (2006.01) E21B 33/126 (2006.01) E21B 33/00 (2006.01)

Patent

CA 1272684

ABSTRACT OF THE DISCLOSURE A wellhead servicing tool is disclosed which comprises an axially shiftable cup which, in one position, virtually entirely surrounds the seal of the tool to facilitate its insertion into the casing of the wellhead. In another extreme position, the cup is shifted away from the seal releasing the latter into sealing engagement with the casing. A telescoping assembly extensible over the main tube of the device reinforces the tube prior to and during the securement to the casing to be serviced thus further facilitating the insertion of the tool into the casing of the serviced wellhead.

608528

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