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Title: Sulfur barrier for use with in situ processes for treating formations

Patent ·
OSTI ID:1013691

Methods for forming a barrier around at least a portion of a treatment area in a subsurface formation are described herein. Sulfur may be introduced into one or more wellbores located inside a perimeter of a treatment area in the formation having a permeability of at least 0.1 darcy. At least some of the sulfur is allowed to move towards portions of the formation cooler than the melting point of sulfur to solidify the sulfur in the formation to form the barrier.

Research Organization:
Shell Oil Company (Houston, TX)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
Shell Oil Company (Houston, TX)
Patent Number(s):
7,631,689
Application Number:
US Patent Application 11/788,861
OSTI ID:
1013691
Country of Publication:
United States
Language:
English

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