E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/10 (2006.01) E21B 7/20 (2006.01) E21B 17/00 (2006.01) E21B 29/00 (2006.01) E21B 33/03 (2006.01)
Patent
CA 2606444
An apparatus is provided which includes first and second tubular members, wherein the inner diameter of the first tubular member is substantially equal to the inner diameter of the second tubular member, and the first and second tubular members are coupled by the process of deforming a portion of the second tubular member into contact with a portion of the first tubular member. Also provided is a method for forming a wellbore by the process of drilling the wellbore, wherein a tubular liner is positioned within the wellbore and formed by the process of extruding the tubular liner off of a mandrel while drilling the wellbore.
Brisco David Paul
Cook Robert Lance
Duell Alan B.
Haut Richard Carl
Mack Robert D.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Shell Internationale Research Maatschappij B.v.
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