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Title: 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
Resource Relation:
Patent File Date: 1 May 1989
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
DRILLING FLUIDS
VISCOSITY
CHEMICAL REACTION KINETICS
HYDROGEN PEROXIDE
OIL WELLS
PH VALUE
POLYMERS
WELL DRILLING
XANTHUM GUM
CARBOHYDRATES
DRILLING
FLUIDS
HYDROGEN COMPOUNDS
KINETICS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PEROXIDES
POLYSACCHARIDES
REACTION KINETICS
SACCHARIDES
WELLS
023000* - Petroleum- Properties & Composition
020300 - Petroleum- Drilling & Production