发明名称 Process for treating an oil well
摘要 A method of treating a subterranean formation, the method comprising: (A) injecting down a well bore into the formation an admixture of (a) an emulsion having an internal aqueous phase comprising a water-soluble oil or gas field chemical or an aqueous dispersion of a water-dispersible oil or gas field chemical and an external oil phase comprising a liquid hydrocarbon and an oil-soluble surfactant and (b) a demulsifier comprising a solution of a surfactant having a cloud point temperature of above 40° C.; or (B) separately injecting down a well bore into the formation emulsion (a) and demulsifier (b) and generating an admixture of emulsion (a) and demulsifier (b) within the formation.
申请公布号 US7417010(B2) 申请公布日期 2008.08.26
申请号 US20050091757 申请日期 2005.03.29
申请人 BP EXPLORATION OPERATING COMPANY LIMITED 发明人 COLLINS IAN RALPH
分类号 C09K8/588;B01F3/08;B01F17/00;C09K8/52;C09K8/54;C09K8/60;C09K8/82;E21B21/00;E21B43/16 主分类号 C09K8/588
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