Wells – Packers or plugs – With expanding anchor
Reexamination Certificate
2008-03-05
2010-12-28
Bagnell, David J (Department: 3672)
Wells
Packers or plugs
With expanding anchor
C166S212000, C166S381000
Reexamination Certificate
active
07857045
ABSTRACT:
A torque transfer arrangement includes a relatively immobile construct; a relatively mobile construct. The relatively mobile construct is radially adjacent the relatively immobile construct. One or more torque body assemblies are mounted to the relatively mobile construct. The assemblies are radially responsive to applied hydraulic pressure to contact a surface of a separate structure and transmit torque from the arrangement to the separate structure. A method is included.
REFERENCES:
patent: 3283824 (1966-11-01), Hoffman et al.
Torquemaster. Retrieved from the Internet Jun. 5, 2008; http://www.nov.com; 3 pages.
Adam Mark Kendall
Farrar Amy L.
Jiral Dennis G.
Williams Jeffrey Charles
Bagnell David J
Baker Hughes Incorporated
Cantor & Colburn LLP
Sayre James G
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