E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/12 (2006.01) E21B 7/08 (2006.01) E21B 17/08 (2006.01) E21B 29/06 (2006.01)
Patent
CA 2443311
Methods and apparatus are provided for use in conjunction with subterranean well operations. In a described embodiment, the apparatus comprises a tubular member having a radially reduced portion formed thereon. A scaling material is externally disposed on the radially reduced portion. A grip member is also externally disposed on the radially reduced portion.
Bowling John S.
Freeman Tommie A.
Gano John C.
Longbottom Jim R.
Halliburton Energy Services Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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