Wells – Processes – Distinct – separate injection and producing wells
Reexamination Certificate
2007-02-06
2007-02-06
Neuder, William (Department: 3672)
Wells
Processes
Distinct, separate injection and producing wells
Reexamination Certificate
active
10957582
ABSTRACT:
Natural gas is produced from a reservoir above a bitumen reserve with minimal or no impact on concurrent or subsequent production of bitumen recovery techniques including SAGD. Greenhouse benefits over and above the benefits of coincidental recovery are available through the injection of waste gas containing carbon dioxide for maintaining pressure in the gas reservoir while producing natural gas. Carbon dioxide separates out of the waste gas through preferential absorption in connate or aquifer water, with the result that carbon dioxide is thereby both retarded from flowing to the natural gas production well and effectively sequestered in the reservoir water. Additional advantage is achieved wherein water influx at production wells can be managed and trapped gas can be recovered.
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Beliveau Dennis A.
Danielson Arthur
Guichon David A.
Horner W. Norval
Beavert Gas Services Ltd.
Goodwin Sean W.
Neuder William
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