发明名称 |
ADDITION OF NONIONIC SURFACTANTS TO WATER SOLUBLE BLOCK COPOLYMERS TO INCREASE THE STABILITY OF THE COPOLYMER IN AQUEOUS SOLUTIONS CONTAINING SALT AND/OR SURFACTANTS |
摘要 |
An aqueous fluid useful for the recovery of crude oil from a subterranean formation, which includes a composition including a mixture of water, a water soluble block copolymer, an inorganic salt and at least one member of the group of a nonionic surfactant having an HLB of less than 12, and methods for using same.
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申请公布号 |
CA2704177(A1) |
申请公布日期 |
2009.05.07 |
申请号 |
CA20082704177 |
申请日期 |
2008.10.18 |
申请人 |
RHODIA INC. |
发明人 |
HOUGH, LAWRENCE ALAN;LIZARRAGA, GILDA MARIA;ADAM, HERVE;CASTAING, JEAN-CHRISTOPHE;KESAVAN, SUBRAMANIAN |
分类号 |
E21B43/26;C09K8/60;C11D3/37 |
主分类号 |
E21B43/26 |
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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