E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/03 (2006.01)
Patent
CA 2280581
A unitary pumping tree is provided for forming part of a wellhead assembly Christmas tree. The tree integrates a bottom connector, shut-off valve, hydraulically actuated blow-out preventer, mechanically actuated blow-out preventer, flow tee and top connector.
Farquharson Keith D.
Lam Tony M.
Farquharson Keith D.
Johnson Ernest Peter
Lam Tony M.
Stream-Flo Industries Ltd.
LandOfFree
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