Wells – Processes – Placing fluid into the formation
Patent
1998-05-05
2000-04-25
Bagnell, David
Wells
Processes
Placing fluid into the formation
166265, 405128, E21B 4340, E21B 4316
Patent
active
060532491
ABSTRACT:
A method and apparatus for injecting gas into a subterranean formation wherein the gas to be injected is mixed with a carrier fluid (e.g. water) at the surface to form a mixture which is then flowed down a wellbore. The mixture is flowed through a downhole separator to separate at least a portion of the gas from the mixture which is then injected into the formation. The carrier fluid and any unseparated gas are then returned to the surface to be separated whereby the carrier fluid can be recycled in the gas injection process.
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Brady Jerry L.
Stevenson Mark D.
Atlantic Richfield Company
Bagnell David
Dougherty Jennifer R.
Faulconer D.
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