发明名称 |
Carbon dioxide foam flooding |
摘要 |
A method of conducting an enhanced oil recovery process in a subterranean reservoir wherein, as part of the process, there is injected into the reservoir as a sweep fluid a foam containing carbon dioxide, water and a foaming agent having the formula: <IMAGE> wherein R is a straight chain alkyl radical having from 10 to 16 carbon atoms; and M is an alkali metal or ammonium cation, with sodium being preferred. A particularly preferred foaming agent is sodium lauryl sulfoacetate.
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申请公布号 |
US4088190(A) |
申请公布日期 |
1978.05.09 |
申请号 |
US19770767529 |
申请日期 |
1977.02.10 |
申请人 |
UNION OIL COMPANY OF CALIFORNIA |
发明人 |
FISCHER, PAUL W.;HOLM, LEROY W.;PYE, DAVID S. |
分类号 |
C09K8/594;E21B43/16;(IPC1-7):E21B43/22 |
主分类号 |
C09K8/594 |
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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