E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 19/02 (2006.01) E21B 21/10 (2006.01)
Patent
CA 2504520
A drill string valve assembly includes a tubular valve body, including an outer surface and an inner bore for housing a valve mechanism to control fluid flow through the bore; and an axial load support releasably securable to the outer surface of the valve body, the axial load support including an upper releasable load bearing connection to the tubular body and a lower releasable load bearing connection to the tubular valve body.
Bennett Jones Llp
Hu Guoqiang
Tesco Corporation
LandOfFree
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