Heating tar sands formations while controlling pressure
Abstract
Methods for treating a tar sands formation are described herein. Methods may include heating at least a section of a hydrocarbon layer in the formation from a plurality of heaters located in the formation. A pressure in the majority of the section may be maintained below a fracture pressure of the formation. The pressure in the majority of the section may be reduced to a selected pressure after the average temperature reaches a temperature that is above 240.degree. C. and is at or below pyrolysis temperatures of hydrocarbons in the section. At least some hydrocarbon fluids may be produced from the formation.
- Inventors:
-
- Houston, TX
- Issue Date:
- Research Org.:
- Shell Oil Company (Houston, TX); Sandia National Lab. (SNL-CA), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1015188
- Patent Number(s):
- 7644765
- Application Number:
- 11/975,713
- Assignee:
- Shell Oil Company (Houston, TX)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10G - CRACKING HYDROCARBON OILS
E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING
- DOE Contract Number:
- AC05-00OR22725; AC04-94AL85000
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Stegemeier, George Leo, Beer, Gary Lee, and Zhang, Etuan. Heating tar sands formations while controlling pressure. United States: N. p., 2010.
Web.
Stegemeier, George Leo, Beer, Gary Lee, & Zhang, Etuan. Heating tar sands formations while controlling pressure. United States.
Stegemeier, George Leo, Beer, Gary Lee, and Zhang, Etuan. Tue .
"Heating tar sands formations while controlling pressure". United States. https://www.osti.gov/servlets/purl/1015188.
@article{osti_1015188,
title = {Heating tar sands formations while controlling pressure},
author = {Stegemeier, George Leo and Beer, Gary Lee and Zhang, Etuan},
abstractNote = {Methods for treating a tar sands formation are described herein. Methods may include heating at least a section of a hydrocarbon layer in the formation from a plurality of heaters located in the formation. A pressure in the majority of the section may be maintained below a fracture pressure of the formation. The pressure in the majority of the section may be reduced to a selected pressure after the average temperature reaches a temperature that is above 240.degree. C. and is at or below pyrolysis temperatures of hydrocarbons in the section. At least some hydrocarbon fluids may be produced from the formation.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jan 12 00:00:00 EST 2010},
month = {Tue Jan 12 00:00:00 EST 2010}
}
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