Hydraulically driven downhole pump

Details Hydraulically driven downhole pump Hydraulically driven downhole pump

F - Mech Eng,Light,Heat,Weapons

04

B

103/41

F04B 47/00 (2006.01)

Patent

CA 1238519

Abstract of the Invention A hydraulically powered reciprocating downhole pump having improved means for reliable and efficient operation is disclosed in which a reversing valve (8) is hydraulically shifted past center position so as to effect a smooth continuous operation. Inlet valves (5) and outlet valves (86) are provided so as to most fully utilize space available within diameter constraints for rapid and efficient operation.

468612

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