E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/08 (2006.01) E21B 4/02 (2006.01) E21B 4/04 (2006.01) E21B 7/06 (2006.01) E21B 17/10 (2006.01) E21B 19/22 (2006.01) E21B 21/10 (2006.01) E21B 23/00 (2006.01) E21B 23/04 (2006.01) E21B 47/022 (2012.01)
Patent
CA 2578726
A bottomhole assembly (BHA) (32) for use in well operations, with particular application to use in drilling with a downhole drilling motor (12, 13, 14) and with coiled tubing (66) and directional drilling, including a novel power pack (52), orienting tool (56), arrangement of bottomhole assembly tools, and method of use of the BHA (32) for orienting while drilling.
Portman Lance N.
Ravensbergen John E.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Bj Services Company U.s.a.
LandOfFree
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