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US 2012/0067571 A1Published application
Methods for producing oil and/or gas
AssigneeShell Oil Company
InventorsPaulus Maria BOERRIGTER, Rouhollah FARAJZADEH, Leonardus Bartholomeus Maria WASSING
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Abstract
A method for producing oil from an underground formation comprising injecting an enhanced oil recovery formulation into a first well in the formation, the enhanced oil recovery formulation comprising a foam; floating the foam on top of the oil, in order to force the oil towards a second well in the formation; and producing the oil and/or gas from the second well.
Claims12
A method for producing oil from an underground formation comprising:
- injecting an enhanced oil recovery formulation into a first well in the formation, the enhanced oil recovery formulation comprising a foam;
- floating the foam on top of the oil, in order to force the oil towards a second well in the formation;
- and
- producing the oil and/or gas from the second well.
1 more element
Dependencies are inferred from the claim text.