发明名称 |
SURFACTANT-LESS ALKALINE-POLYMER FORMULATIONS FOR RECOVERING REACTIVE CRUDE OIL |
摘要 |
Compositions and methods for oil recovery using a surfactant-less alkaline-polymer system in hard water or hard brine is described in the instant invention. The formulation further includes a chelating agent, an alkaline agent (which can be the same as the chelating agent), and a co-solvent. The formulations as disclosed herein are capable of forming a surfactant in-situ resulting in Winsor Type III micro-emulsions of low interfacial tension. |
申请公布号 |
EP2576721(A4) |
申请公布日期 |
2013.11.20 |
申请号 |
EP20110787323 |
申请日期 |
2011.05.25 |
申请人 |
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM |
发明人 |
WEERASOORIYA, UPALI P.;POPE, GARY A. |
分类号 |
C09K8/588;E21B43/16 |
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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