E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 34/14 (2006.01)
Patent
CA 2633335
Downhole tools and methods for producing hydrocarbons from a wellbore. A downhole tool can include a body having a bore formed therethrough and at least one end adapted to threadably engage one or more tubulars. A sliding sleeve, adapted to move between a first position and a second position within the body, can be at least partially disposed within the body. A valve assembly including a valve member having an arcuate cross section wherein the valve member is adapted to pivot between an open and closed position within the body can be disposed within the body. A valve seat, having an arcuate cross-section adapted to provide a fluid tight seal with the valve member assembly can be disposed within the body.
Frazier W. Lynn
Kirby Eades Gale Baker
LandOfFree
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