GB2436755B - Downhole permanent magnet motors - Google Patents

Downhole permanent magnet motors

Info

Publication number
GB2436755B
GB2436755B GB0711394A GB0711394A GB2436755B GB 2436755 B GB2436755 B GB 2436755B GB 0711394 A GB0711394 A GB 0711394A GB 0711394 A GB0711394 A GB 0711394A GB 2436755 B GB2436755 B GB 2436755B
Authority
GB
United Kingdom
Prior art keywords
permanent magnet
magnet motors
downhole permanent
downhole
motors
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
Application number
GB0711394A
Other versions
GB0711394D0 (en
GB2436755A (en
Inventor
Michael Andrew Yuratich
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.)
Weatherford Lamb Inc
Original Assignee
Weatherford Lamb Inc
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 Weatherford Lamb Inc filed Critical Weatherford Lamb Inc
Publication of GB0711394D0 publication Critical patent/GB0711394D0/en
Publication of GB2436755A publication Critical patent/GB2436755A/en
Application granted granted Critical
Publication of GB2436755B publication Critical patent/GB2436755B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E21B43/121—Lifting well fluids
    • E21B43/128—Adaptation of pump systems with down-hole electric drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H02K1/148—Sectional cores
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/022—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with salient poles or claw-shaped poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/18—Windings for salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/132—Submersible electric motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/005—
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
    • H02K9/227—Heat sinks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/022—Synchronous motors
    • H02P25/024—Synchronous motors controlled by supply frequency
    • H02P25/026—Synchronous motors controlled by supply frequency thereby detecting the rotor position
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/022—Synchronous motors
    • H02P25/03—Synchronous motors with brushless excitation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Motor Or Generator Frames (AREA)
GB0711394A 2003-06-21 2004-06-21 Downhole permanent magnet motors Expired - Fee Related GB2436755B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0314555.4A GB0314555D0 (en) 2003-06-21 2003-06-21 Electric submersible pumps
GB0600376A GB2419039B (en) 2003-06-21 2004-06-21 Electric submersible pumps

Publications (3)

Publication Number Publication Date
GB0711394D0 GB0711394D0 (en) 2007-07-25
GB2436755A GB2436755A (en) 2007-10-03
GB2436755B true GB2436755B (en) 2007-11-21

Family

ID=27637123

Family Applications (4)

Application Number Title Priority Date Filing Date
GBGB0314555.4A Ceased GB0314555D0 (en) 2003-06-21 2003-06-21 Electric submersible pumps
GB0713757A Expired - Fee Related GB2437206B (en) 2003-06-21 2004-06-21 Downhole electric motors
GB0600376A Expired - Fee Related GB2419039B (en) 2003-06-21 2004-06-21 Electric submersible pumps
GB0711394A Expired - Fee Related GB2436755B (en) 2003-06-21 2004-06-21 Downhole permanent magnet motors

Family Applications Before (3)

Application Number Title Priority Date Filing Date
GBGB0314555.4A Ceased GB0314555D0 (en) 2003-06-21 2003-06-21 Electric submersible pumps
GB0713757A Expired - Fee Related GB2437206B (en) 2003-06-21 2004-06-21 Downhole electric motors
GB0600376A Expired - Fee Related GB2419039B (en) 2003-06-21 2004-06-21 Electric submersible pumps

Country Status (4)

Country Link
CA (2) CA2530162C (en)
GB (4) GB0314555D0 (en)
NO (1) NO20060275L (en)
WO (1) WO2004114498A2 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101098090B (en) * 2006-06-30 2015-08-12 德昌电机股份有限公司 lamination
ATE505840T1 (en) * 2006-09-13 2011-04-15 Prad Res & Dev Nv ELECTRIC MOTOR
RU2357345C2 (en) 2006-10-11 2009-05-27 Шлюмбергер Текнолоджи Б.В. Submersible direct current motor
US20090091278A1 (en) * 2007-09-12 2009-04-09 Michael Montois Downhole Load Sharing Motor Assembly
NO331710B1 (en) * 2010-07-09 2012-03-05 Smartmotor As Electric machine for underwater applications and energy conversion system.
CN102003437A (en) * 2010-12-01 2011-04-06 福建省福安市力德泵业有限公司 Clamp spring coil device for connecting different hard materials
EP2518867B1 (en) * 2011-04-29 2017-04-12 Welltec A/S Electrical motor
NO334163B1 (en) * 2012-03-30 2013-12-23 Techni Holding As Torsjonskompensator
SE540148C2 (en) * 2015-04-23 2018-04-10 Bae Systems Haegglunds Ab Unit comprising cooling means and holding means intended for placement between stator teeth
US10288074B2 (en) 2015-09-15 2019-05-14 General Electric Company Control sub-system and related method of controlling electric machine in fluid extraction system
US9903373B2 (en) 2015-11-19 2018-02-27 General Electric Company Dual motor drive for electric submersible pump systems
NO20190801A1 (en) * 2019-06-26 2020-12-28 Fsubsea As System for subsea pressure booster power supply and distribution
US11916450B2 (en) 2020-04-08 2024-02-27 Halliburton Energy Services, Inc. Axial flux submersible electric motor
US11808111B2 (en) 2022-02-11 2023-11-07 Weatherford Technology Holdings, Llc Rotating control device with integrated cooling for sealed bearings

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210733A (en) * 1987-10-02 1989-06-14 Matsushita Electric Ind Co Ltd Two-piece motor stator
GB2248524A (en) * 1989-06-29 1992-04-08 Kollmorgen Corp Stator construction to permit increased heat transfer
EP0986161A1 (en) * 1998-01-30 2000-03-15 Otkrytoe Aktsionernoe Obschestvo Neftyanaya Kompania " Lukoil" Motor for submerged pump
JP2001161039A (en) * 1999-11-30 2001-06-12 Tamagawa Seiki Co Ltd Construction of outer rotor stator and its manufacturing method
EP1422806A2 (en) * 2002-11-19 2004-05-26 Fanuc Ltd Electric motor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB537833A (en) * 1940-01-06 1941-07-08 Smith & Sons Ltd S Improvements in or relating to dynamo electric instruments
GB545101A (en) * 1940-05-15 1942-05-11 British Thomson Houston Co Ltd Improvements in and relating to coils for dynamo-electric machines
GB1062096A (en) * 1964-03-06 1967-03-15 Franklin Electric Co Inc Electric motor assembly
CH627885A5 (en) * 1978-05-24 1982-01-29 Bbc Brown Boveri & Cie Pole coil of a multipole electrical machine
JPS5731049U (en) * 1980-07-24 1982-02-18
US4434389A (en) * 1980-10-28 1984-02-28 Kollmorgen Technologies Corporation Motor with redundant windings
FR2541529A1 (en) * 1983-02-18 1984-08-24 Sundstrand Corp MULTI-CHANNEL ELECTROMOTOR MACHINE
DE3816652A1 (en) * 1988-05-16 1989-11-30 Magnet Motor Gmbh ELECTRIC MACHINE WITH LIQUID COOLING
DE3907516A1 (en) * 1989-03-08 1990-09-13 Interelectric Ag Laminated stator core for an electric motor, and a method for producing a stator
JP3102665B2 (en) * 1992-02-17 2000-10-23 三菱電機株式会社 Electric motor
DE19934858A1 (en) * 1999-07-24 2001-01-25 Abb Research Ltd Rotating electrical machine and process for its manufacture
JP3661529B2 (en) * 1999-11-17 2005-06-15 日産自動車株式会社 Motor cooling device
JP2001161050A (en) * 1999-11-30 2001-06-12 Denso Corp Liquid-cooled dynamoelectric machine for vehicle
US6318467B1 (en) * 1999-12-01 2001-11-20 Camco International, Inc. System and method for pumping and heating viscous fluids in a wellbore
US6388353B1 (en) * 2000-03-30 2002-05-14 Camco International, Inc. Elongated permanent magnet synchronous motor
US6811382B2 (en) * 2000-10-18 2004-11-02 Schlumberger Technology Corporation Integrated pumping system for use in pumping a variety of fluids
JP3586186B2 (en) * 2000-11-15 2004-11-10 株式会社日立製作所 Rotating machine stator
JP3551148B2 (en) * 2000-11-30 2004-08-04 株式会社デンソー AC generator for vehicles
DE10104892A1 (en) * 2001-02-01 2002-08-14 Siemens Ag Ship Electric System
US6840324B2 (en) * 2001-12-26 2005-01-11 Dana Robert Pettigrew System for, and a method of pumping fluids from a well
US20030193260A1 (en) * 2002-04-16 2003-10-16 Reiter Frederick B. Composite power metal stator sleeve
US6894417B2 (en) * 2002-05-15 2005-05-17 Remy Inc. Multi-set rectangular copper hairpin windings for electric machines
US6935011B2 (en) * 2002-08-05 2005-08-30 Visteon Global Technologies, Inc. Method of forming a stator for a brushless motor
DE10242404A1 (en) * 2002-09-12 2004-03-25 Robert Bosch Gmbh Sheet package for an electrical machine
JP2004343856A (en) * 2003-05-14 2004-12-02 Aisan Ind Co Ltd Brushless motor
JPWO2005107038A1 (en) * 2004-04-30 2008-03-21 住友電気工業株式会社 Powder magnetic core and manufacturing method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210733A (en) * 1987-10-02 1989-06-14 Matsushita Electric Ind Co Ltd Two-piece motor stator
GB2248524A (en) * 1989-06-29 1992-04-08 Kollmorgen Corp Stator construction to permit increased heat transfer
EP0986161A1 (en) * 1998-01-30 2000-03-15 Otkrytoe Aktsionernoe Obschestvo Neftyanaya Kompania " Lukoil" Motor for submerged pump
JP2001161039A (en) * 1999-11-30 2001-06-12 Tamagawa Seiki Co Ltd Construction of outer rotor stator and its manufacturing method
EP1422806A2 (en) * 2002-11-19 2004-05-26 Fanuc Ltd Electric motor

Also Published As

Publication number Publication date
GB0711394D0 (en) 2007-07-25
GB2419039A (en) 2006-04-12
GB0600376D0 (en) 2006-02-15
CA2619583A1 (en) 2004-12-29
NO20060275L (en) 2006-03-17
GB2437206B (en) 2007-11-21
WO2004114498A3 (en) 2005-03-03
GB2436755A (en) 2007-10-03
WO2004114498A2 (en) 2004-12-29
CA2530162A1 (en) 2004-12-29
GB0713757D0 (en) 2007-08-22
CA2530162C (en) 2009-06-02
GB2437206A (en) 2007-10-17
GB0314555D0 (en) 2003-07-30
GB2419039B (en) 2007-11-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100621