| 发明名称 |
EXTENDED REACH DRILLING APPARATUS & METHOD |
| 摘要 |
A method for drilling a well in a formation including inserting a thruster, a first conduit, and a drill bit into a wellbore lined with a previous casing and applying a force to the first conduit with the thruster so that the thruster grips onto the previous casing.
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| 申请公布号 |
US2007107941(A1) |
申请公布日期 |
2007.05.17 |
| 申请号 |
US20060552731 |
申请日期 |
2006.10.25 |
| 申请人 |
FILLIPOV ANDREI G;HOU FU J |
发明人 |
FILLIPOV ANDREI G.;HOU FU J. |
| 分类号 |
E21B7/00 |
主分类号 |
E21B7/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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