E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/17, 255/25
E21B 33/05 (2006.01) E21B 3/02 (2006.01)
Patent
CA 1335098
A manifold arrangement for use with a top drive power unit to enable fluid circulation to be conducted to a well string for well bore conditioning to be effected with cementing plugs in place in the manifold arrangement and for conducting a pumpable substance such as cement to the well string without first circulating it through the top drive power unit.
595130
Arnold Ronald David
Atol Gerald Raymond
Baker Samuel Fred
Riches Mckenzie & Herbert Llp
Texas Iron Works Inc.
LandOfFree
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