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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|