发明名称 |
METHOD AND APPARATUS FOR SELECTIVE DOWN HOLE FLUID COMMUNICATION |
摘要 |
<p>Methods and apparatus for perforating a formation in a wellbore without perforating a well bore casing. The methods and apparatus include an external casing perforating device configured so as not to perforate the casing. The interior of the perforating device serves as a fluid flow path between the casing and the formation following perforation and a valve in the casing selectively opens and closes the flow path.</p> |
申请公布号 |
EP2057345(A2) |
申请公布日期 |
2009.05.13 |
申请号 |
EP20070814539 |
申请日期 |
2007.08.29 |
申请人 |
MARATHON OIL COMPANY |
发明人 |
WESSON, DAVID S.;GEORGE, KEVIN R.;SNIDER, PHILIP M. |
分类号 |
E21B43/114;E21B43/116;E21B43/117;E21B43/119;E21B43/14;E21B43/26 |
主分类号 |
E21B43/114 |
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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