F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
103/7
F04B 7/04 (2006.01)
Patent
CA 1290979
ABSTRACT A system is disclosed for controlling the opera- tion of a reciprocating device, such as a reciprocating fluid pump, utilized within a small diameter wellbore log- ging tool. The system includes a pump having an input in fluid communication with the source fluid, a 4-way sliding valve in fluid communication with an output of the pump for controlling the flow of fluid to operate the recipro- cating device, and a 4-way control valve in fluid communi- cation with the output of the pump for controlling the flow of fluid to operate the sliding valve. SHB:go/pt 87135ART0016
537588
Amoco Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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