Wells – With eduction pump or plunger – Having liquid-gas separator
Patent
1998-02-11
2000-10-17
Tsay, Frank
Wells
With eduction pump or plunger
Having liquid-gas separator
166 541, 16625015, E21B 4314
Patent
active
061316555
ABSTRACT:
The present invention related to a system which prevent coning while minimizing the problems associated with any reverse coning which may result. The system includes a production string disposed within a wellbore having both oil production perforations and water production perforations, wherein the production tubing is packed off against the wellbore annulus between the oil production perforations and the water production perforations. In addition to a pump for producing oil from the oil production perforations, a water pump is incorporated into the production tubing proximate the water production perforations in order to pump water to a reinjection point or other location. The system also permits recovery of amounts of oil and even solids existing within the water layer, preferably by the use of a separator. The separated oil is then directed upward through the production string for recovery. The invention permits increased pump rates by the pumps located both above and below the packer.
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Baker Hughes Incorporated
Tsay Frank
LandOfFree
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