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

Method for treating a well bore

Patent ·
OSTI ID:6777509
This patent describes a method for treating a well bore and the surrounding subterranean formation. It comprises: preparing a fluid by admixing an aqueous liquid, a solvatable polysaccharide selected from the group comprising galactomannans, galactomannan derivatives and derivitized cellulose ethers and crosslinking agent for the polysaccharide; admixing a non-reducing sugar in an amount sufficient to induce viscosity reduction of the fluid under well bore conditions; and injecting the fluid into the well bore.
Assignee:
Halliburton Co., Duncan, OK (USA)
Patent Number(s):
A; US 4946604
Application Number:
PPN: US s 7-276189
OSTI ID:
6777509
Country of Publication:
United States
Language:
English