Subsea test tree

Details Subsea test tree Subsea test tree

E - Fixed Constructions

21

B

E21B 33/035 (2006.01) E21B 33/064 (2006.01) E21B 34/04 (2006.01) E21B 43/12 (2006.01)

Patent

CA 2266088

A subsea test tree and associated methods of servicing a well provide enhanced safety in testing operations. In a described embodiment, a subsea test tree includes a latch head assembly, a valve assembly, and a ramlock assembly interconnected between the latch head assembly and the valve assembly. The valve assembly includes two safety valves, one of which is operable by displacing a piston within the latch head assembly. The other safety valve is operable by applying fluid pressure to a line connected to the latch head assembly.

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