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. |
申请公布号 |
AU3818500(A) |
申请公布日期 |
2000.11.14 |
申请号 |
AU20000038185 |
申请日期 |
2000.04.06 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
ROBERT JOE COON;TIMOTHY JOHN FRANK;DAVID JOHN MARTIN |
分类号 |
E21B7/20;E21B17/20;E21B29/10;E21B33/14;E21B43/10 |
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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