发明名称 |
Process for recovering oil from subterranean oil-bearing formations and an emulsion useful therein. |
摘要 |
The present invention provides a process for recovering oil from subterranean oil-bearing formations by introducing through a well bore into such formations a stable, aqueous flooding medium comprising an acrylamide-ammonium acrylate copolymer having a molecular weight above about one million. Superior flow properties leading to enhanced oil recovery are attainable by the process of the invention.
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申请公布号 |
EP0008153(A1) |
申请公布日期 |
1980.02.20 |
申请号 |
EP19790300875 |
申请日期 |
1979.05.18 |
申请人 |
AMERICAN CYANAMID COMPANY |
发明人 |
FRANK, SIMON;SCHMITT, JOSEPH MICHAEL;COSCIA, ANTHONY T. |
分类号 |
C09K8/588;(IPC1-7):E21B43/22 |
主分类号 |
C09K8/588 |
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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