Liquid purification or separation – Filter – With pump – gas pressure – or suction source
Reexamination Certificate
2007-06-19
2007-06-19
Reifsnyder, David A. (Department: 1723)
Liquid purification or separation
Filter
With pump, gas pressure, or suction source
C417S394000, C417S395000, C417S478000, C166S068000
Reexamination Certificate
active
10933802
ABSTRACT:
Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the formations as a gas blocking mechanism for increasing and extending the production of oil from underground formations is described. Also described is an inert gas oil production system comprising an exhaust gas processing system, a well inert gas and water injection system, an oil production well system, and a fuel gas generator. A hydraulically operated crude oil pump is also described.
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Arnaud Johnny
Beard B. Franklin
Howrey LLP
Hydrotreat, Inc.
Reifsnyder David A.
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