73212274
Apr 19, 1979
Jan 12, 1982
HALLIBURTON ENERGY SERVICES INC.
Active Trademark
Earth Borehole Drilling, Completion, Workover, and Abandonment Chemicals-Namely, a Water-Soluble Chemical, Free of Calcium Carbonate, for Increasing Viscosity of Waters and Brines Having Basic pH without Developing Gel Strengths in Aqueous Solutions Containing Said Chemical
Chemicals