发明名称 |
Method of creating a wellbore in an underground formation |
摘要 |
A method of creating a wellbore in an underground formation comprising drilling a borehole in the underground formation using a drilling tubular, capable of being expanded, to which a downhole motor driving a drill bit has been connected, and, after drilling to the desired casing setting depth, expanding the drilling tubular into place to line the borehole by applying a radial load to the drilling tubular and removing said load from the drilling tubular.
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申请公布号 |
US2001002626(A1) |
申请公布日期 |
2001.06.07 |
申请号 |
US20010771005 |
申请日期 |
2001.01.26 |
申请人 |
FRANK TIMOTHY JOHN;COON ROBERT JOE;MARTIN DAVID |
发明人 |
FRANK TIMOTHY JOHN;COON ROBERT JOE;MARTIN DAVID |
分类号 |
E21B17/20;E21B29/10;E21B33/14;E21B43/10;(IPC1-7):E21B7/00 |
主分类号 |
E21B17/20 |
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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