发明名称 |
Motorized rotary swivel equipped with a dynamometric measuring unit |
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 |
US5272925(A) |
申请公布日期 |
1993.12.28 |
申请号 |
US19920861781 |
申请日期 |
1992.08.07 |
申请人 |
ELF AQUITAINE |
发明人 |
HENNEUSE, HENRY;BECQ, DENIS |
分类号 |
E21B3/02;E21B19/16;E21B47/00;E21B47/12;(IPC1-7):G01L1/00 |
主分类号 |
E21B3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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