CA1253187A - Slotted autoregulating heater - Google Patents

Slotted autoregulating heater

Info

Publication number
CA1253187A
CA1253187A CA000475791A CA475791A CA1253187A CA 1253187 A CA1253187 A CA 1253187A CA 000475791 A CA000475791 A CA 000475791A CA 475791 A CA475791 A CA 475791A CA 1253187 A CA1253187 A CA 1253187A
Authority
CA
Canada
Prior art keywords
heater
curie temperature
ferromagnetic material
slots
layer
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
Application number
CA000475791A
Other languages
English (en)
French (fr)
Inventor
John F. Krumme
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.)
Delaware Capital Formation Inc
Original Assignee
Metcal 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 Metcal Inc filed Critical Metcal Inc
Application granted granted Critical
Publication of CA1253187A publication Critical patent/CA1253187A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00—Tools, devices or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/04—Heating appliances
    • B23K3/047—Heating appliances electric
    • B23K3/0475—Heating appliances electric using induction effects, e.g. Kelvin or skin effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/235—Preliminary treatment
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Dermatology (AREA)
  • General Health & Medical Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Electromagnetism (AREA)
  • Resistance Heating (AREA)
  • General Induction Heating (AREA)
  • Surface Heating Bodies (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
CA000475791A 1984-03-06 1985-03-05 Slotted autoregulating heater Expired CA1253187A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/586,711 US4717814A (en) 1983-06-27 1984-03-06 Slotted autoregulating heater
US586,711 1984-03-06

Publications (1)

Publication Number Publication Date
CA1253187A true CA1253187A (en) 1989-04-25

Family

ID=24346851

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000475791A Expired CA1253187A (en) 1984-03-06 1985-03-05 Slotted autoregulating heater

Country Status (7)

Country Link
US (1) US4717814A (2)
EP (1) EP0158434B1 (2)
JP (1) JPS61501354A (2)
AT (1) ATE78384T1 (2)
CA (1) CA1253187A (2)
DE (1) DE3586331T2 (2)
WO (1) WO1985004068A1 (2)

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US7435037B2 (en) 2005-04-22 2008-10-14 Shell Oil Company Low temperature barriers with heat interceptor wells for in situ processes
JP5456318B2 (ja) 2005-10-24 2014-03-26 シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ 液体流の水素化処理による閉塞性組成物の除去方法
US7610962B2 (en) 2006-04-21 2009-11-03 Shell Oil Company Sour gas injection for use with in situ heat treatment
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US9022118B2 (en) 2008-10-13 2015-05-05 Shell Oil Company Double insulated heaters for treating subsurface formations
US8448707B2 (en) 2009-04-10 2013-05-28 Shell Oil Company Non-conducting heater casings
US8356935B2 (en) * 2009-10-09 2013-01-22 Shell Oil Company Methods for assessing a temperature in a subsurface formation
US8257112B2 (en) 2009-10-09 2012-09-04 Shell Oil Company Press-fit coupling joint for joining insulated conductors
US9466896B2 (en) * 2009-10-09 2016-10-11 Shell Oil Company Parallelogram coupling joint for coupling insulated conductors
US9033042B2 (en) 2010-04-09 2015-05-19 Shell Oil Company Forming bitumen barriers in subsurface hydrocarbon formations
US8939207B2 (en) 2010-04-09 2015-01-27 Shell Oil Company Insulated conductor heaters with semiconductor layers
US8485256B2 (en) 2010-04-09 2013-07-16 Shell Oil Company Variable thickness insulated conductors
US8631866B2 (en) 2010-04-09 2014-01-21 Shell Oil Company Leak detection in circulated fluid systems for heating subsurface formations
US9127538B2 (en) 2010-04-09 2015-09-08 Shell Oil Company Methodologies for treatment of hydrocarbon formations using staged pyrolyzation
US8820406B2 (en) 2010-04-09 2014-09-02 Shell Oil Company Electrodes for electrical current flow heating of subsurface formations with conductive material in wellbore
US8586866B2 (en) 2010-10-08 2013-11-19 Shell Oil Company Hydroformed splice for insulated conductors
US8943686B2 (en) 2010-10-08 2015-02-03 Shell Oil Company Compaction of electrical insulation for joining insulated conductors
US8857051B2 (en) 2010-10-08 2014-10-14 Shell Oil Company System and method for coupling lead-in conductor to insulated conductor
JP2014512082A (ja) 2011-04-08 2014-05-19 シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー 絶縁導体を接合するシステム
US9016370B2 (en) 2011-04-08 2015-04-28 Shell Oil Company Partial solution mining of hydrocarbon containing layers prior to in situ heat treatment
CA2850741A1 (en) 2011-10-07 2013-04-11 Manuel Alberto GONZALEZ Thermal expansion accommodation for circulated fluid systems used to heat subsurface formations
JO3139B1 (ar) 2011-10-07 2017-09-20 Shell Int Research تشكيل موصلات معزولة باستخدام خطوة اختزال أخيرة بعد المعالجة الحرارية.
JO3141B1 (ar) 2011-10-07 2017-09-20 Shell Int Research الوصلات المتكاملة للموصلات المعزولة
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Also Published As

Publication number Publication date
US4717814A (en) 1988-01-05
ATE78384T1 (de) 1992-08-15
EP0158434A2 (en) 1985-10-16
JPS61501354A (ja) 1986-07-03
DE3586331T2 (de) 1992-12-10
JPH039594B2 (2) 1991-02-08
EP0158434B1 (en) 1992-07-15
WO1985004068A1 (en) 1985-09-12
DE3586331D1 (de) 1992-08-20
EP0158434A3 (en) 1987-09-02

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Legal Events

Date Code Title Description
MKEX Expiry