Wells – Processes – Assembling well part
Reexamination Certificate
2007-10-09
2007-10-09
Bagnell, David (Department: 3672)
Wells
Processes
Assembling well part
C166S382000, C166S085100, C166S075140, C166S075130
Reexamination Certificate
active
11025453
ABSTRACT:
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.
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Dallas L. Murray
McGuire Bob
Bagnell David
Bomar Shane
Nelson Mullins Riley & Scarborough LLP
Stinger Wellhead Protection, Inc.
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