Wireline retrievable oilwell pumping system

Details Wireline retrievable oilwell pumping system Wireline retrievable oilwell pumping system

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 47/00 (2006.01) E21B 23/03 (2006.01) F04B 47/06 (2006.01)

Patent

CA 2261250

An apparatus for pumping fluids in a wellbore from a subterranean formation. The apparatus includes a tubular housing which is capable of being suspended from its associated upper end in a well bore or hole that communicates with a subterranean formation or oil reservoir. The tubular housing has at least one port or opening wherethrough fluids (e.g. water, oil etc.) pass from the well bore. A pump assembly is contained within the tubular housing such as to be supported thereby. A rotating rod assembly is also contained within the tubular housing and is coupled to the pump assembly for operating the same. A gear assembly is coupled to the rotating rod assembly, and a motor assembly is coupled to the gear assembly while being dependedly attached to the tubular housing. The apparatus additionally includes a filter assembly coupled to the motor assembly.

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