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U.S. Department of Energy
Office of Scientific and Technical Information

Method for treating subterranean formations

Patent ·
OSTI ID:6961967
This patent describes a method for breaking an aqueous fracturing fluid which comprises injecting into a subterranean formation controlled release capsules comprising an enclosure member enclosing a breaker for the aqueous fracturing fluid; the enclosure member being sufficiently permeable to at least one fluid existing in the subterranean environment or injected with the controlled release capsules such that the enclosure member is capable of releasing the breaker upon sufficient exposure to the fluid.
Assignee:
Dow Chemical Co., Midland, MI
Patent Number(s):
US 4741401
OSTI ID:
6961967
Country of Publication:
United States
Language:
English