F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 47/00 (2006.01) E21B 37/00 (2006.01) E21B 43/12 (2006.01)
Patent
CA 2431604
A method of circulating through a reciprocating downhole tubing pump and a reciprocating downhole tubing pump. The reciprocating downhole tubing pump has a standing valve assembly and a travelling valve. The method involves displacing and disabling, without removing, the standing ball valve assembly and the travelling valve. This can be done with pins which knock the balls out of position or by enclosing the balls in cages which can be mechanically moved out of position with linkages. With the standing ball valve assembly and the travelling valve disabled, circulation can occur through the reciprocating downhole tubing pump. This has a number of advantages, such as removal of blockages due to sand accumulation.
Burns Bradley Gerald
Elford Wendall Wayne
Walker Stacy James
931285 Alberta Ltd.
931289 Alberta Ltd.
Burns Bradley Gerald
Elford Wendall Wayne
Walker Stacy James
LandOfFree
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