F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
251/64
F16K 43/00 (2006.01) E21B 34/02 (2006.01) E21B 43/20 (2006.01) F16K 27/04 (2006.01)
Patent
CA 2021891
An improved pressure balanced choke valve with a reversible cage style trim suitable for installation in production flowlines where it may be desired to later reverse the flow direction and use the well for water injection. The valve body has end connections machined thereon and a central bore for sealingly receiving a reversible cartridge assembly containing the cage style trim. The cartridge assembly is sealed against the valve body cavity by metal-to-metal seals and is easily removed for flow reversal by removal of a simple retainer cap. The cartridge assembly uses an inner sleeve movable within a cage type trim to control the flow. The cartridge is surmounted by a bonnet assembly utilizing a handwheel operated traveling nut assembly to control movement of the inner sleeve.
Cooper Cameron Corporation
Deeth Williams Wall Llp
LandOfFree
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