FR2721303B1 - Device control device, in particular a winch used to raise or lower a load. - Google Patents
Device control device, in particular a winch used to raise or lower a load.Info
- Publication number
- FR2721303B1 FR2721303B1 FR9407520A FR9407520A FR2721303B1 FR 2721303 B1 FR2721303 B1 FR 2721303B1 FR 9407520 A FR9407520 A FR 9407520A FR 9407520 A FR9407520 A FR 9407520A FR 2721303 B1 FR2721303 B1 FR 2721303B1
- Authority
- FR
- France
- Prior art keywords
- raise
- load
- control device
- winch used
- device control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/42—Control devices non-automatic
- B66D1/46—Control devices non-automatic electric
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9407520A FR2721303B1 (en) | 1994-06-20 | 1994-06-20 | Device control device, in particular a winch used to raise or lower a load. |
EP95401448A EP0688938A1 (en) | 1994-06-20 | 1995-06-20 | Device for the control of rotary drawworks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9407520A FR2721303B1 (en) | 1994-06-20 | 1994-06-20 | Device control device, in particular a winch used to raise or lower a load. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2721303A1 FR2721303A1 (en) | 1995-12-22 |
FR2721303B1 true FR2721303B1 (en) | 1996-09-06 |
Family
ID=9464398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9407520A Expired - Fee Related FR2721303B1 (en) | 1994-06-20 | 1994-06-20 | Device control device, in particular a winch used to raise or lower a load. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0688938A1 (en) |
FR (1) | FR2721303B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101566059B (en) * | 2009-05-27 | 2014-06-04 | 中曼石油天然气集团股份有限公司 | Wide-adaptive novel automatic driller |
CN114604794A (en) * | 2022-01-25 | 2022-06-10 | 四川宏华电气有限责任公司 | System and method for controlling position of winch of oil rig |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3866468A (en) * | 1972-10-04 | 1975-02-18 | Drill Au Mation Inc | Drill pipe monitoring systems |
US3916279A (en) * | 1973-08-20 | 1975-10-28 | Hitachi Ltd | Friction compensating apparatus for load moving machines |
US3887855A (en) * | 1973-11-28 | 1975-06-03 | Cleveland Machine Controls | Motor speed modifier control |
US3943713A (en) * | 1974-11-25 | 1976-03-16 | Eaton Corporation | Control arrangement |
JPS6054227B2 (en) * | 1979-05-11 | 1985-11-29 | 株式会社日立製作所 | AC elevator control device |
FR2603942B1 (en) | 1986-09-15 | 1990-08-03 | Forasol | DRILLING SYSTEM |
-
1994
- 1994-06-20 FR FR9407520A patent/FR2721303B1/en not_active Expired - Fee Related
-
1995
- 1995-06-20 EP EP95401448A patent/EP0688938A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0688938A1 (en) | 1995-12-27 |
FR2721303A1 (en) | 1995-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |