DE69725865D1 - Redundantes bohrhebewerk - Google Patents
Redundantes bohrhebewerkInfo
- Publication number
- DE69725865D1 DE69725865D1 DE69725865T DE69725865T DE69725865D1 DE 69725865 D1 DE69725865 D1 DE 69725865D1 DE 69725865 T DE69725865 T DE 69725865T DE 69725865 T DE69725865 T DE 69725865T DE 69725865 D1 DE69725865 D1 DE 69725865D1
- Authority
- DE
- Germany
- Prior art keywords
- drilling work
- redundant
- redundant drilling
- work
- drilling
- 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 - Lifetime
Links
- 238000005553 drilling Methods 0.000 title 1
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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/008—Winding units, specially adapted for drilling operations
-
- 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
- B66D1/54—Safety gear
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- General Details Of Gearings (AREA)
- Earth Drilling (AREA)
- Liquid Developers In Electrophotography (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Braking Arrangements (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2519596P | 1996-09-12 | 1996-09-12 | |
US25195P | 1996-09-12 | ||
PCT/US1997/014529 WO1998011011A1 (en) | 1996-09-12 | 1997-08-18 | Redundant drawworks |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69725865D1 true DE69725865D1 (de) | 2003-12-04 |
DE69725865T2 DE69725865T2 (de) | 2004-11-04 |
Family
ID=21824595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69725865T Expired - Lifetime DE69725865T2 (de) | 1996-09-12 | 1997-08-18 | Redundantes bohrhebewerk |
Country Status (6)
Country | Link |
---|---|
US (1) | US6182945B1 (de) |
EP (1) | EP0925253B1 (de) |
AU (1) | AU3916597A (de) |
DE (1) | DE69725865T2 (de) |
NO (1) | NO327299B1 (de) |
WO (1) | WO1998011011A1 (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6352136B1 (en) * | 2000-06-19 | 2002-03-05 | Kuei-Tang Shih | Auxiliary safety lift device for elevator |
US7210670B2 (en) * | 2003-06-30 | 2007-05-01 | Charles Gllen Franks | Drawworks apparatus |
US20060037518A1 (en) * | 2004-08-17 | 2006-02-23 | Adelardo Lopez Alba | Power-operated scissor lift table |
CA2505989C (en) * | 2005-04-29 | 2007-07-03 | Gerald Lesko | Electric drawworks for a drilling rig |
US8079569B2 (en) * | 2005-04-29 | 2011-12-20 | Gerald Lesko | Cable drawworks for a drilling rig |
US20080202042A1 (en) * | 2007-02-22 | 2008-08-28 | Azad Mesrobian | Drawworks and motor |
US20090084558A1 (en) * | 2007-09-28 | 2009-04-02 | Robert Lewis Bloom | Electrically powered well servicing rigs |
US8549815B2 (en) * | 2008-02-29 | 2013-10-08 | National Oilwell Varco L.P. | Drilling rig masts and methods of assembly and erecting masts |
US8250816B2 (en) * | 2008-02-29 | 2012-08-28 | National Oilwell Varco L.P. | Drilling rig structure installation and methods |
US8047303B2 (en) * | 2008-02-29 | 2011-11-01 | National Oilwell Varco L.P. | Drilling rig drawworks installation |
US8813436B2 (en) | 2008-02-29 | 2014-08-26 | National Oilwell Varco, L.P. | Pinned structural connection using a pin and plug arrangement |
US8468753B2 (en) * | 2008-02-29 | 2013-06-25 | National Oilwell Varco L.P. | Drilling rigs and erection methods |
US7780147B2 (en) * | 2008-08-18 | 2010-08-24 | Charles Glen Franks | Drawworks having annulus rotating union with brake cooling system |
EP2356307A4 (de) | 2008-11-14 | 2016-04-13 | Canrig Drilling Tech Ltd | Permanentmagnet-direktantrieb für einen kraftdrehkopf |
US20100329905A1 (en) * | 2008-12-02 | 2010-12-30 | Williams Kevin R | Permanent magnet direct drive mud pump |
US8672059B2 (en) * | 2008-12-22 | 2014-03-18 | Canrig Drilling Technology Ltd. | Permanent magnet direct drive drawworks |
WO2011035275A1 (en) * | 2009-09-18 | 2011-03-24 | Special Applications Technology, Inc. | A redundant motor system in a high-payload electro-mechanical rotary joint |
US9091125B2 (en) | 2012-01-16 | 2015-07-28 | National Oilwell Varco, L.P. | Collapsible substructure for a mobile drilling rig |
US9376294B2 (en) | 2012-08-04 | 2016-06-28 | Absolute Oilfield Equipment, LLC | Brake, shear and cable management system and method |
DE202013000627U1 (de) * | 2013-01-22 | 2014-04-23 | Liebherr-Components Biberach Gmbh | Seilwinde |
SG11201507094UA (en) * | 2013-03-20 | 2015-10-29 | Axon Ep Inc | Drawworks system |
WO2015117075A1 (en) | 2014-02-03 | 2015-08-06 | Canrig Drilling Technology Ltd. | Coupling of permanent magnets in electric motors |
WO2015138833A1 (en) | 2014-03-13 | 2015-09-17 | Canrig Drilling Technology Ltd. | Low inertia direct drive drawworks |
US9919903B2 (en) | 2014-03-13 | 2018-03-20 | Nabors Drilling Technologies Usa, Inc. | Multi-speed electric motor |
CA2899487C (en) | 2014-08-04 | 2020-03-24 | Canrig Drilling Technology | Direct drive drawworks with bearingless motor |
US9634599B2 (en) | 2015-01-05 | 2017-04-25 | Canrig Drilling Technology Ltd. | High speed ratio permanent magnet motor |
US10208817B2 (en) * | 2016-10-10 | 2019-02-19 | Cameron International Corporation | Drawworks gearbox with redundant braking on input side |
US10464791B2 (en) * | 2017-03-06 | 2019-11-05 | Cameron International Corporation | Drawworks systems and methods |
US10508715B2 (en) | 2017-03-06 | 2019-12-17 | Cameron International Corporation | Motor assembly for drawworks systems and methods |
US11191191B2 (en) | 2017-12-11 | 2021-11-30 | Schlumberger Technology Corporation | Air cooled variable-frequency drive |
US10661363B2 (en) | 2018-04-09 | 2020-05-26 | Absolute Oilfield Equipment, LLC | Cable shearing apparatus and method |
US10697254B2 (en) | 2018-04-10 | 2020-06-30 | Cameron International Corporation | Drawworks system with variable frequency drive |
US11186468B2 (en) * | 2020-04-08 | 2021-11-30 | Comeup Industries Inc. | Winch capable of externally connecting motor to increase dynamic power |
US10882724B1 (en) | 2020-08-10 | 2021-01-05 | Wired Specialty Equipment, LLC | Redundant multi-point chain hoist apparatus |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2263961A (en) * | 1939-11-22 | 1941-11-25 | Wilson John Hart | Cooling system |
US3002560A (en) | 1955-01-13 | 1961-10-03 | Joy Mfg Co | Mechanized oil field drill rig |
US3506095A (en) | 1967-11-22 | 1970-04-14 | Reliance Electric Co | Group elevator control for restricted power conditions |
SU483825A3 (ru) | 1970-03-07 | 1975-09-05 | Хеш Машиненфабрик Дейчланд Аг (Фирма) | Подъемный механизм |
US3738614A (en) * | 1971-05-13 | 1973-06-12 | E Peterson | Hoisting apparatus employing unitary clutch and brake assembly |
US3981485A (en) | 1974-10-02 | 1976-09-21 | Dresser Industries, Inc. | Helicopter transportable drilling rig |
US4073476A (en) * | 1976-05-24 | 1978-02-14 | Kranco, Inc. | Overhead crane with redundant safety features |
DE2647543C2 (de) * | 1976-10-21 | 1978-09-07 | Demag Ag, 4100 Duisburg | Sicherheitshubwerk |
US4098139A (en) * | 1976-12-15 | 1978-07-04 | Marion Power Shovel Company, Inc. | Gear train and method of aligning component gears thereof |
GB2001214B (en) | 1977-07-18 | 1982-04-15 | Mitsubishi Electric Corp | Apparatus for automatically bringing an elevator cage to afloor in the event of service interruption |
GB2031363B (en) * | 1978-10-17 | 1982-08-11 | Northern Eng Ind | Crane safety system |
IT1144355B (it) | 1981-05-12 | 1986-10-29 | Sergio Scarzella | Sistema di emergenza per ascensori e simili per il salvataggio autonomo dell utente bloccato in cabina |
ES8403081A1 (es) | 1982-11-15 | 1984-04-01 | Perez Marcelino De La | Dispositivo de seguridad para la evacuacion de ascensores en casos de emergencia. |
GB8401315D0 (en) | 1984-01-18 | 1984-02-22 | Graser J A | Wireline apparatus |
US4696377A (en) | 1985-09-27 | 1987-09-29 | Ltv Energy Products Company | Brake system for drawworks |
DE3933505A1 (de) * | 1988-10-08 | 1990-04-12 | Man Ghh Krantechnik | Hubwerk |
-
1997
- 1997-08-18 US US08/914,908 patent/US6182945B1/en not_active Expired - Lifetime
- 1997-08-18 WO PCT/US1997/014529 patent/WO1998011011A1/en active IP Right Grant
- 1997-08-18 DE DE69725865T patent/DE69725865T2/de not_active Expired - Lifetime
- 1997-08-18 AU AU39165/97A patent/AU3916597A/en not_active Abandoned
- 1997-08-18 EP EP97936512A patent/EP0925253B1/de not_active Expired - Lifetime
-
1999
- 1999-03-11 NO NO19991196A patent/NO327299B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO991196D0 (no) | 1999-03-11 |
NO991196L (no) | 1999-05-11 |
DE69725865T2 (de) | 2004-11-04 |
AU3916597A (en) | 1998-04-02 |
EP0925253A1 (de) | 1999-06-30 |
NO327299B1 (no) | 2009-06-02 |
WO1998011011A1 (en) | 1998-03-19 |
EP0925253B1 (de) | 2003-10-29 |
US6182945B1 (en) | 2001-02-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: NATIONAL-OILWELL, L.P., HOUSTON, TEX., US |
|
8364 | No opposition during term of opposition |