Title:
【発明の名称】動力測定ユニットが装備されたモータ付きロータリスイベル
Document Type and Number:
Japanese Patent JP3019110
Kind Code:
B2
Abstract:
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.
More Like This:
| WO/1997/034070 | DEVICE FOR DRILLING A BORE HOLE IN THE GROUND |
| WO/2005/021927 | A DRILLING DEVICE WITH A TELESCOPIC ARM |
Inventors:
Henri, Enouze
Beco, Douni
Beco, Douni
Application Number:
JP51770691A
Publication Date:
March 13, 2000
Filing Date:
October 17, 1991
Export Citation:
Assignee:
Elf Exploration Prode Yucion
International Classes:
E21B3/02; E21B19/16; E21B47/00; E21B47/12; (IPC1-7): E21B3/02; E21B19/16
Domestic Patent References:
| JP6245392B2 |
Other References:
【文献】米国特許4285236(US,A)
【文献】フランス特許公開2642791(FR,A)
【文献】フランス特許公開2642791(FR,A)
Attorney, Agent or Firm:
Yoshio Kawaguchi (2 outside)