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. |
申请公布号 |
US8276689(B2) |
申请公布日期 |
2012.10.02 |
申请号 |
US20070750943 |
申请日期 |
2007.05.18 |
申请人 |
GIROUX RICHARD L.;ODELL, II ALBERT C.;XU WEI;WEATHERFORD/LAMB, INC. |
发明人 |
GIROUX RICHARD L.;ODELL, II ALBERT C.;XU WEI |
分类号 |
E21B7/20 |
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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