Wells – With below and above ground modification – Eduction pump or plunger in well
Patent
1994-02-14
1995-05-23
Dang, Hoang C.
Wells
With below and above ground modification
Eduction pump or plunger in well
166105, 417406, 418 48, E21B 4300
Patent
active
054172810
ABSTRACT:
A downhole submersible fluid pump having a progressive cavity motor section and a progressive cavity pump section. In each section the rotor is fixed and the pumping action occurs by forcing power fluid into the motor chamber around the rotor which action causes the normally fixed stator to rotate around relative to the fixed rotor. This rotary motion is transmitted via the housing to the pump stator formed internally thereof which rotates relative to another fixed rotor drawing fluids from the subterranean formation upwardly as produced fluids.
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Craig Gordon W.
Wood Steven M.
Dang Hoang C.
Wood Steven M.
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