发明名称 |
OIL RECOVERY PROCESS EMPLOYING AMPHOTERIC SURFACTANTS |
摘要 |
An oil recovery method employing amphoteric surfactants with the steps of: a) Injecting into one or more injection wells an aqueous solution containing a mixture of amphoteric surfactants containing mixture of amphoteric surfactants having a hydrocarbyl chain length between 8 and 26 and certain degree of unsaturation, and b) recovering the oil from one or more producing wells. The aqueous injection fluid may also contain one or more of the following: a thickening agent, an alkali, a co-solvent.
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申请公布号 |
CA2618817(C) |
申请公布日期 |
2013.08.27 |
申请号 |
CA20082618817 |
申请日期 |
2008.01.23 |
申请人 |
BERGER, PAUL DANIEL;BERGER, CHRISTIE HUIMIN |
发明人 |
BERGER, PAUL DANIEL;BERGER, CHRISTIE HUIMIN |
分类号 |
E21B43/22;C09K8/584 |
主分类号 |
E21B43/22 |
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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