| 发明名称 |
Casing push tool for use in oil and gas exploration and production has transmission arm connected to cable drive which slides in guide arranged axially with respect to top drive guide |
| 摘要 |
A casing push tool has a transmission arm (14) connected to a cable drive. The arm slides in a guide (10) which is arranged axially w.r.t the top drive guide (3).
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| 申请公布号 |
DE19962298(A1) |
申请公布日期 |
2001.07.12 |
| 申请号 |
DE19991062298 |
申请日期 |
1999.12.23 |
| 申请人 |
DEUTSCHE TIEFBOHR AG |
发明人 |
LOEDDEN, AREND |
| 分类号 |
E21B19/084;(IPC1-7):E21B7/20;E21B19/08 |
主分类号 |
E21B19/084 |
| 代理机构 |
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代理人 |
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| 主权项 |
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