发明名称 |
LINER DRILLING USING TEMPORARILY SEALED LINER |
摘要 |
A drilling apparatus including a first cylindrical layer including a plurality of cylindrical members, and a second cylindrical layer including a plurality of elongate members, the plurality of cylindrical members and the plurality of elongate members arranged to form a plurality of spaces between an outer diameter of the first cylindrical layer and an inner diameter of the second cylindrical layer. |
申请公布号 |
WO2013090760(A1) |
申请公布日期 |
2013.06.20 |
申请号 |
WO2012US69815 |
申请日期 |
2012.12.14 |
申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATON;NEIDHARDT, DIETMAR, J. |
发明人 |
NEIDHARDT, DIETMAR, J. |
分类号 |
E21B33/14;E21B17/01 |
主分类号 |
E21B33/14 |
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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