发明名称 |
Mobility control of aqueous fluids in porous media |
摘要 |
A composition and method for providing improved mobility control in secondary and tertiary recovery processes obtained by injecting into a subterranean hydrocarbon-bearing formation, as part of the secondary or tertiary recovery fluid, an aqueous solution of a mixture of a heteropolysaccharide produced by bacteria of the genus Xanthomonas together with a polyacrylamide or a chemically altered derivative of a polyacrylamide.
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申请公布号 |
US4039028(A) |
申请公布日期 |
1977.08.02 |
申请号 |
US19750628534 |
申请日期 |
1975.11.03 |
申请人 |
UNION OIL COMPANY OF CALIFORNIA |
发明人 |
KNIGHT, ROBERT K. |
分类号 |
C09K8/588;C09K8/90;(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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