E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 23/00 (2006.01) E21B 23/02 (2006.01)
Patent
CA 2120311
ABSTRACT OF THE INVENTION A lock assembly includes radially movable engagement or latch members configured to engage a profile within a subsurface nipple, and further includes one or more sealing assemblies. The sealing assemblies are radially expandable by enlarging the interior of diameter of the elements of the sealing assembly, such as by placing a mandrel of relatively enlarged diameter through an internal diameter of elements of the sealing assembly.
Cooksey Andrew
Dines Chris
Robison Clark
Vick James
Williamson Jim
Company Halliburton
Cooksey Andrew
Dines Chris
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Robison Clark
LandOfFree
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