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

Reduction of the viscosity of solutions viscosified with xanthan gum polymers

Patent ·
OSTI ID:5720233
This patent describes a process for reducing the viscosity of a drilling fluid containing Xanthan gum polymer solution. It comprises: contacting the drilling fluid with hydrogen peroxide and adjusting the pH of the solution to a level of at least about between 8 and 10.
Assignee:
Osca, Inc., Lafayette, LA (United States)
Patent Number(s):
US 5055209; A
Application Number:
PPN: US 7-345494
OSTI ID:
5720233
Country of Publication:
United States
Language:
English