发明名称 |
METHODS AND APPARATUS FOR DRILLING WITH CASING |
摘要 |
In one embodiment, a method of forming a wellbore includes running a liner drilling assembly into the wellbore, the liner drilling assembly having a liner, a conveying member, one or more connection members, and a drilling member. The method includes temporarily suspending the liner at a location below the rig floor; releasing the conveying member and the drilling member from the liner; re-connecting the conveying member to the liner; releasing the liner from its location of temporary suspension; and advancing the liner drilling assembly.
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申请公布号 |
CA2589600(C) |
申请公布日期 |
2013.07.09 |
申请号 |
CA20072589600 |
申请日期 |
2007.05.22 |
申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
GIROUX, RICHARD L.;ODELL, ALBERT C., II;XU, WEI |
分类号 |
E21B7/20;E21B7/04;E21B23/04;E21B23/06;E21B33/13 |
主分类号 |
E21B7/20 |
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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