Mark Identification

BRINADD

Serial Number

73358262

Filing Date

Apr 5, 1982

Registration Date

Sep 20, 1983

Trademark by

OILFIELD FLUIDS INC.

Classification Information

Consulting Services to Those Concerned with Wellbore Fluids Principally to Study the Problems Encountered in Drilling and Working Wells and to Recommend Additives for Wellbore Fluids to Prevent Lost Circulation and to Control Such Properties as Viscosity, Density and Thixothropy of Such Fluids

Computer and Scientific