| 发明名称 |
MOTORISCH ANGETRIEBENER INJEKTIONSKOPF MIT EINER EINRICHTUNG ZUM MESSEN DES DREHMOMENTS. |
| 摘要 |
PCT No. PCT/FR91/00812 Sec. 371 Date Aug. 7, 1992 Sec. 102(e) Date Aug. 7, 1992 PCT Filed Oct. 17, 1991 PCT Pub. No. WO92/07162 PCT Pub. Date Apr. 30, 1992.A motorised rotary swivel for driving drill pipe in rotation is disclosed. The swivel includes a measuring unit for measuring a dynamometric behavior of the drill pipe which is mounted adjacent to the output of the motor between the motor and a torque wench assembly. |
| 申请公布号 |
DE69109089(D1) |
申请公布日期 |
1995.05.24 |
| 申请号 |
DE1991609089 |
申请日期 |
1991.10.17 |
| 申请人 |
ELF AQUITAINE PRODUCTION, COURBEVOIE, FR |
发明人 |
HENNEUSE, HENRY, F-64140 BILLERE, FR;BECQ, DENIS, F-64000 PAU, FR |
| 分类号 |
E21B3/02;E21B19/16;E21B47/00;E21B47/12;(IPC1-7):E21B3/02 |
主分类号 |
E21B3/02 |
| 代理机构 |
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