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Title: Creating fluid injectivity in tar sands formations

Methods for treating a tar sands formation are described herein. Methods for treating a tar sands may include heating a portion of a hydrocarbon layer in the formation from one or more heaters located in the portion. The heat may be controlled to increase the permeability of at least part of the portion to create an injection zone in the portion with an average permeability sufficient to allow injection of a fluid through the injection zone. A drive fluid and/or an oxidizing fluid may be provided into the injection zone. At least some hydrocarbons are produced from the portion.
Authors:
; ;
Publication Date:
OSTI Identifier:
1176331
Report Number(s):
7,730,947
11/975,738
DOE Contract Number:
AC04-94AL85000Sa; ACO5-00OR22725
Resource Type:
Patent
Research Org:
Shell Oil Company, Houston, TX (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
04 OIL SHALES AND TAR SANDS