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Title: Adjusting alloy compositions for selected properties in temperature limited heaters

Abstract

Heaters for treating a subsurface formation are described herein. Such heaters can be obtained by using the systems and methods described herein. The heater includes a heater section including iron, cobalt, and carbon. The heater section has a Curie temperature less than a phase transformation temperature. The Curie temperature is at least 740.degree. C. The heater section provides, when time varying current is applied to the heater section, an electrical resistance.

Inventors:
 [1];  [1];  [1]
  1. Oak Ridge, TN
Issue Date:
Research Org.:
Shell Oil Company (Houston, TX)
Sponsoring Org.:
USDOE
OSTI Identifier:
1014462
Patent Number(s):
7683296
Application Number:
U S Patent Application 11/788,860
Assignee:
Shell Oil Company (Houston, TX)
Patent Classifications (CPCs):
E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING
B - PERFORMING OPERATIONS B32 - LAYERED PRODUCTS B32B - LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Patent
Country of Publication:
United States
Language:
English

Citation Formats

Brady, Michael Patrick, Horton, Jr., Joseph Arno, and Vitek, John Michael. Adjusting alloy compositions for selected properties in temperature limited heaters. United States: N. p., 2010. Web.
Brady, Michael Patrick, Horton, Jr., Joseph Arno, & Vitek, John Michael. Adjusting alloy compositions for selected properties in temperature limited heaters. United States.
Brady, Michael Patrick, Horton, Jr., Joseph Arno, and Vitek, John Michael. Tue . "Adjusting alloy compositions for selected properties in temperature limited heaters". United States. https://www.osti.gov/servlets/purl/1014462.
@article{osti_1014462,
title = {Adjusting alloy compositions for selected properties in temperature limited heaters},
author = {Brady, Michael Patrick and Horton, Jr., Joseph Arno and Vitek, John Michael},
abstractNote = {Heaters for treating a subsurface formation are described herein. Such heaters can be obtained by using the systems and methods described herein. The heater includes a heater section including iron, cobalt, and carbon. The heater section has a Curie temperature less than a phase transformation temperature. The Curie temperature is at least 740.degree. C. The heater section provides, when time varying current is applied to the heater section, an electrical resistance.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {3}
}

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