发明名称 |
Cellulose ether-polyacrylamide aqueous gels |
摘要 |
Improvements in secondary recovery operations for the recovery of oil, and improvements in well-drilling operations, are accomplished through the use of aqueous gels exhibiting high gel strength prepared from water and a mixture of (a) at least one cellulose ether, e.g., carboxymethyl cellulose, and (b) at least one polyacrylamide.
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申请公布号 |
US4043921(A) |
申请公布日期 |
1977.08.23 |
申请号 |
US19760656772 |
申请日期 |
1976.02.09 |
申请人 |
PHILLIPS PETROLEUM COMPANY |
发明人 |
HESSERT, JAMES E.;CLAMPITT, RICHARD L. |
分类号 |
C09K8/24;C09K8/512;C09K8/588;C09K8/68;E21B43/26;(IPC1-7):C09K7/02;E21B43/22 |
主分类号 |
C09K8/24 |
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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