| 发明名称 |
APPARATUS AND METHODS FOR FACILITATING THE CONNECTION OF TUBULARS USING A TOP DRIVE |
| 摘要 |
An apparatus for facilitating the connection of tubulars using a top drive, the apparatus having a supporting member connectable to said top drive characterized in that it further comprises an internal tool for engaging said tubular and an external clamping device for engaging said tubular.
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| 申请公布号 |
US2013105178(A1) |
申请公布日期 |
2013.05.02 |
| 申请号 |
US201213626759 |
申请日期 |
2012.09.25 |
| 申请人 |
WEATHERFORD/LAMB, INC.;WEATHERFORD/LAMB, INC. |
发明人 |
PIETRAS BERND-GEORG |
| 分类号 |
E21B19/16 |
主分类号 |
E21B19/16 |
| 代理机构 |
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代理人 |
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