Mark Identification

ENVIRO-SPOT

Serial Number

73737423

Filing Date

Jun 30, 1988

Trademark by

NL BAROID INC.

Classification Information

FLUID CONCENTRATE FOR USE BY THE OIL AND GAS INDUSTRY IN FORMULATING ENVIRONMENTAL SAFE SPOTTING FLUIDS FOR FREEING STUCK DRILL PIPE IN WELL BORES AND AS A SPACER FLUID BETWEEN OIL MUDS AND CEMENT DURING CEMENTING OPERATIONS

Chemicals