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Title: Creating fluid injectivity in tar sands formations

Patent ·
OSTI ID:1176331

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.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725; AC04-94AL85000
Assignee:
Shell Oil Company (Houston, TX)
Patent Number(s):
7,730,947
Application Number:
11/975,738
OSTI ID:
1176331
Resource Relation:
Patent File Date: 2007 Oct 19
Country of Publication:
United States
Language:
English

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