Wells – Above ground apparatus – With means for inserting fluid into well
Reexamination Certificate
2005-12-30
2009-10-13
Bagnell, David J (Department: 3672)
Wells
Above ground apparatus
With means for inserting fluid into well
C166S077200, C239S195000, C239S197000
Reexamination Certificate
active
07600564
ABSTRACT:
A coiled tubing swivel assembly is provided that includes a mandrel for attachment to a pump, and a hub rotatably attached to the mandrel and for attachment to an end of a string of coiled tubing. The mandrel and the hub together form a conduit for passage of a pumped substance. A crane bearing is attached to the fluid conduit.
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Saheta Vishal
Shampine Rod
Wilson Matthew E.
Andrish Sean D
Bagnell David J
Cate David
Nava Robin
Schlumberger Technology Corporation
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