| 发明名称 |
APPARATUS AND METHOD 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 comprising a supporting member (13) for connection with said top drive, a tool (30) for gripping a tubular and means for allowing substantially horizontal movement therebetween, wherein said means comprises a flexible membrane (18) enclosing a fluid.
|
| 申请公布号 |
WO0039430(A1) |
申请公布日期 |
2000.07.06 |
| 申请号 |
WO1999GB03951 |
申请日期 |
1999.11.29 |
| 申请人 |
WEATHERFORD/LAMB, INC.;HARDING, RICHARD, PATRICK;PIETRAS, BERND-GEORG |
发明人 |
PIETRAS, BERND-GEORG |
| 分类号 |
E21B19/16;E21B21/10;(IPC1-7):E21B19/16 |
主分类号 |
E21B19/16 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
