IN-SITU COMBUSTION METHOD FOR RECOVERY OF HEAVY OIL UTILIZING OXYGEN AND CARBON DIOXIDE AS INITIAL OXIDANT

IN-SITU COMBUSTION METHOD FOR RECOVERY OF HEAVY OIL UTILIZING OXYGEN AND CARBON DIOXIDE AS INITIAL OXIDANT An in-situ combustion method for recovering viscous oil from a subterranean, viscous oil-containing formation comprising injecting a mixture of essentially pure oxygen and carbon dioxide into t...

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1. Verfasser: SHU, WINSTON R
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:IN-SITU COMBUSTION METHOD FOR RECOVERY OF HEAVY OIL UTILIZING OXYGEN AND CARBON DIOXIDE AS INITIAL OXIDANT An in-situ combustion method for recovering viscous oil from a subterranean, viscous oil-containing formation comprising injecting a mixture of essentially pure oxygen and carbon dioxide into the formation to initiate an in-situ combustion operation followed by injecting essentially pure oxygen.