E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/06 (2006.01)
Patent
CA 2614466
A downhole steering system comprises a first full gauge stabiliser 34, a bias unit 28, a universal joint 26, and a second full gauge stabiliser 22, the bias unit 28 and universal joint 26 being located between the first and second full gauge stabilisers 34, 22. Conveniently, the system further comprises a drill bit and a fluid powered downhole motor 14, the motor being located, at least partially, between the drill bit 10 and the second stabiliser 22.
Downton Geoff
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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