发明名称 |
METHOD AND APPARATUS FOR SELECTIVE DOWN HOLE FLUID COMMUNICATION |
摘要 |
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. |
申请公布号 |
UA97487(C2) |
申请公布日期 |
2012.02.27 |
申请号 |
UA20090003035 |
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 |
E21B43/14;E21B43/117 |
主分类号 |
E21B43/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|