发明名称 |
Method of in-situ recovery of viscous oils or bitumen utilizing a thermal recovery fluid and carbon dioxide |
摘要 |
A method for the in-situ recovery of viscous oils or bitumen from subterranean oil-bearing formations by the injection of steam or a mixture of steam and an oxygen-containing gas under operating conditions that utilize pressurization and drawdown cycles wherein carbon dioxide is injected at the start of the pressurization cycle.
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申请公布号 |
US4217956(A) |
申请公布日期 |
1980.08.19 |
申请号 |
US19780942244 |
申请日期 |
1978.09.14 |
申请人 |
TEXACO CANADA INC |
发明人 |
EXALL, DOUGLAS I;GOSS, MICHAEL J |
分类号 |
E21B43/16;E21B43/18;E21B43/24;(IPC1-7):E21B43/24 |
主分类号 |
E21B43/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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