| 发明名称 |
N,N-Dimethylacrylamide/2-acrylamido-2-methylpropane sulfonic acid copolymers for enhanced petroleum recovery |
| 摘要 |
A N,N-dimethylacrylamide/2-acrylamido-2-methylpropane sulfonic acid copolymer is disclosed. The copolymer is particularly suitable for use as a viscosity control agent in an aqueous composition employed to facilitate petroleum recovery from subterranean petroleum bearing formations.
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| 申请公布号 |
US4404111(A) |
申请公布日期 |
1983.09.13 |
| 申请号 |
US19810232456 |
申请日期 |
1981.02.06 |
| 申请人 |
ATLANTIC RICHFIELD COMPANY |
发明人 |
BI, LE-KHAC;DILLON, MARY E.;SHARIK, CLYDE |
| 分类号 |
C09K8/588;(IPC1-7):E21B43/22 |
主分类号 |
C09K8/588 |
| 代理机构 |
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