Mark Identification

ENVIRO-MUD

Serial Number

73510515

Filing Date

Nov 26, 1984

Registration Date

Sep 16, 1986

Trademark by

SUN DRILLING PRODUCTS

Classification Information

PROVIDING CONSULTATION AND ADVICE TO OIL WELL DRILLERS CONCERNING THE SELECTION AND USE OF DRILLING FLUIDS AND CHEMICAL ADDITIVES FOR DRILLING FLUIDS

Computer and Scientific