DE69725865D1 - Redundantes bohrhebewerk - Google Patents

Redundantes bohrhebewerk

Info

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
Application number
DE69725865T
Other languages
English (en)
Other versions
DE69725865T2 (de
Inventor
D Dyer
S Kondo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Oilwell Varco LP
Original Assignee
Continental Emsco Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Continental Emsco Co filed Critical Continental Emsco Co
Publication of DE69725865D1 publication Critical patent/DE69725865D1/de
Application granted granted Critical
Publication of DE69725865T2 publication Critical patent/DE69725865T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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)
DE69725865T 1996-09-12 1997-08-18 Redundantes bohrhebewerk Expired - Lifetime DE69725865T2 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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