Valve

Details Valve Valve

E - Fixed Constructions

21

B

166/44

E21B 34/14 (2006.01)

Patent

CA 1131559

VALVE Abstract of the Disclosure A valve which may be made up as a part of a tubing string, preferably by removably landing the valve in a landing nipple. The valve is of the sleeve type and the gap through the valve member is held to very close spacing when the valve member gap passes over the seals in the body and is then permitted to expand when the valve member is in open position. The valve is disclosed as a part of a testing system employing a packer, a foot valve, a seal unit and a landing nipple in which the valve is supported.

350941

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