Wells – With eduction pump or plunger – Having liquid-gas separator
Patent
1998-09-22
1999-11-23
Bagnell, David
Wells
With eduction pump or plunger
Having liquid-gas separator
1661056, E21B 4316
Patent
active
059882751
ABSTRACT:
A method and system for increasing oil production from an oil well producing a mixture of oil, water, and gas through a wellbore penetrating an oil-bearing formation containing an oil-bearing zone, an aqueous zone, and a gas zone by separating from the mixture of oil, water, and gas in the oil well at least a portion of the water to produce a separated water-enriched portion and a separated oil/gas-enriched portion; driving a turbine with the separated oil/gas enriched portion; driving a water pump and a compressor in the oil well with the turbine; injecting the separated water-enriched portion into a water injection zone; separating from the separated oil/gas-enriched portion in the oil well at least a portion of the gas to produce a separated gas and an the oil-enriched mixture; compressing the separated gas to a pressure greater than a pressure in a gas injection zone to produce a compressed gas; injecting the compressed gas into the gas injection zone; and recovering at least a major portion of the oil-enriched mixture.
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Brady Jerry L.
Cawvey James L.
Klein John M.
Stevenson Mark D.
Atlantic Richfield Company
Bagnell David
Scott F. Lindsey
Singh Sunil
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