Z-DENSILOG
Mark Identification

Z-DENSILOG

Serial Number

73696097

Filing Date

Nov 13, 1987

Registration Date

Nov 7, 1989

Trademark by

WESTERN ATLAS INTERNATIONAL INC.

Active Trademark

Classification Information

WELL LOGGING SERVICES, NAMELY, MEASURING CHARACTERISTIC PROPERTIES OF EARTH FORMATIONS SURROUNDING SUBSURFACE BOREHOLES

Computer and Scientific