Title:
地下累層を加熱するために使用される温度制限加熱器
Document Type and Number:
Japanese Patent JP4794550
Kind Code:
B2
Abstract:
Certain embodiments provide a heater. A heater device includes a skin effect component having at least one insulated electrical core conductor in electrical communication with an adjacent and substantially parallel, elongated ferromagnetic shape having a reduction and localization of the depth and width of the effective conductor path in the cross-section of the ferromagnetic wall; and, an inorganic ceramic insulation component.
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Inventors:
Sandberg, Chester Ledley
Vinegar, Harold Theei
Vinegar, Harold Theei
Application Number:
JP2007509686A
Publication Date:
October 19, 2011
Filing Date:
April 22, 2005
Export Citation:
Assignee:
Ciel International Research Mart Shats Pay BV
International Classes:
E21B43/24; E21B29/00; E21B36/04; E21B43/00; E21B43/12; E21B43/30; E21B43/38; H05B3/00; H05B3/10; H05B3/12; H05B3/14; H05B6/10
Domestic Patent References:
| JPS63112592U | 1988-07-20 | |||
| JPS59226490A | 1984-12-19 | |||
| JPS6016696A | 1985-01-28 | |||
| JPH03135568A | 1991-06-10 |
Attorney, Agent or Firm:
Yoshio Kawaguchi
Makoto Ono
Chihiro Watanabe
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura
Makoto Ono
Chihiro Watanabe
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura