Wells – Processes – Separating material entering well
Patent
1998-09-17
2000-07-25
Bagnell, David
Wells
Processes
Separating material entering well
166 685, 166106, 166369, F21B 4340
Patent
active
060926007
ABSTRACT:
The present invention relates to an apparatus and method for selectively lifting produced fluids, including produced hydrocarbons and a portion of produced water, to a ground surface while injecting the remaining produced water into an injection zone subsurface in a subterranean well. The invention preferably utilizes a rod-driven progressive cavity pump (RD-PCP) in conjunction with an electrical submersible pump (ESP) in order to carry out the dual injection and lifting steps. Further, this apparatus and method make it possible to produce hydrocarbons from oil wells in a manner that poses less risk and disturbance to the environment.
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Berry Michael R.
McKinzie Howard L.
Stuebinger Lon A.
Bagnell David
Delhommer Harold J.
Texaco Inc.
Walker Zakiya
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