发明名称 |
SECONDARY OIL RECOVERY PROCESS |
摘要 |
<p>SECONDARY OIL RECOVERY PROCESS (D#73,081 -F) Oil is recovered from an oil-bearing subterranean formation penetrated by an injection well and a production well by injecting into the formation via the injection well a solution of a normally solid polymerized methacrylate and oil displaced by the injected solution is recovered from the formation via the production well. Optionally, after the solvent solution has been injected, a hydrocarbon slug such as crude oil, petroleum distillate, a soluble oil composition, etc. may be injected and, if desired, this may be followed by injection of water. -I-</p> |
申请公布号 |
CA1077834(A) |
申请公布日期 |
1980.05.20 |
申请号 |
CA19770283775 |
申请日期 |
1977.07.29 |
申请人 |
TEXACO DEVELOPMENT CORPORATION |
发明人 |
BROWN, ALFRED;HAGER, STEPHEN F.;CHICHAKLI, MOUTAZ;WU, CHING H. |
分类号 |
E21B43/22;(IPC1-7):21B43/22 |
主分类号 |
E21B43/22 |
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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