Temperature limited heater utilizing non-ferromagnetic conductor

Vinegar, Harold J.; Harris, Christopher Kelvin

Title: Temperature limited heater utilizing non-ferromagnetic conductor

Patent · Tue Jul 17 00:00:00 EDT 2012

OSTI ID:1068541

Vinegar, Harold J.; Harris, Christopher Kelvin

A heater is described. The heater includes a ferromagnetic conductor and an electrical conductor electrically coupled to the ferromagnetic conductor. The ferromagnetic conductor is positioned relative to the electrical conductor such that an electromagnetic field produced by time-varying current flow in the ferromagnetic conductor confines a majority of the flow of the electrical current to the electrical conductor at temperatures below or near a selected temperature.

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Research Organization:: Shell Oil Company (Houston, TX)

Sponsoring Organization:: USDOE

DOE Contract Number:: ACO5-00OR22725

Assignee:: Shell Oil Company (Houston, TX)

Patent Number(s):: 8,224,165

Application Number:: 11/409,565

OSTI ID:: 1068541

Country of Publication:: United States

Language:: English

References (9)

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The Characteristics of a Low Temperature In Situ Shale Oil Hill, George R.; Dougan, Paul Annual Meeting of the American Institute of Mining, Metallurgical, and Petroleum Engineers https://doi.org/10.2118/1745-MS	conference	April 2013
Evaluation of downhole electric impedance heating systems for paraffin control in oil wells Bosch, F. G.; Schmitt, K. J.; Eastlund, B. J. IEEE Transactions on Industry Applications, Vol. 28, Issue 1 https://doi.org/10.1109/28.120230	journal	January 1992
Analysis of oil shale and petroleum source rock pyrolysis by triple quadrupole mass spectrometry: comparisons of gas evolution at the heating rate of 10.degree.C/min Reynolds, John G.; Crawford, Richard W.; Burnham, Alan K. Energy & Fuels, Vol. 5, Issue 3 https://doi.org/10.1021/ef00027a025	journal	May 1991
Electrical Heating With Horizontal Wells, The Heat Transfer Problem McGee, Bruce C. W.; Vermeulen, Frederick E. International Conference on Horizontal Well Technology https://doi.org/10.2118/37117-MS	conference	April 2013
Operating Laboratory Oil Shale Retorts In An In-Situ Mode Sandholtz, Willis A.; Ackerman, Jay F. SPE Annual Fall Technical Conference and Exhibition https://doi.org/10.2118/6730-MS	conference	April 2013
Kinetics of oil generation from Colorado oil shale Campbell, J.; Koskinas, G.; Stout, N. Fuel, Vol. 57, Issue 6, p. 372-376 https://doi.org/10.1016/0016-2361(78)90176-X	journal	June 1978
Direct Production of Low Pour Point High Gravity Shale Oil Hill, G. R.; Johnson, D. J.; Miller, Lowell Industrial & Engineering Chemistry Product Research and Development, Vol. 6, Issue 1 https://doi.org/10.1021/i360021a009	journal	March 1967
Methods and Energy Sources for Heating Subsurface Geological Formation, Task 1: Heat Delivery Systems Moreno, James B.; Rawlinson, Kim Scott; Jones, Scott A. https://doi.org/10.2172/809444	report	January 2003

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