Blast joint swivel for wellhead isolation tool and method of...

Details Blast joint swivel for wellhead isolation tool and method of... Blast joint swivel for wellhead isolation tool and method of...

E - Fixed Constructions

21

B

E21B 17/10 (2006.01) E21B 17/05 (2006.01) E21B 19/16 (2006.01)

Patent

CA 2492614

A blast joint swivel for use in a wellhead isolation tool includes a blast joint hanger mounted to a top of the wellhead isolation tool and a swivel body rotatably received in the blast joint hanger. The swivel body threadedly connects to a blast joint, which in turn threadedly connects to a top end of a tubing string suspended in a well. The blast joint swivel can also be displaced vertically over a limited range between upper and lower abutments to facilitate threading of the blast joint to the tubing string. The blast joint swivel facilitates connection of the wellhead isolation tool to the tubing string, which reduces wellhead isolation tool setup.

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