Mark Identification

STIM-LAB

Serial Number

76367918

Filing Date

Feb 7, 2002

Registration Date

May 11, 2004

Trademark by

CORE LABORATORIES LUXEMBOURG S.A.R.L.

Active Trademark

Classification Information

[ COMPUTER PROGRAMS AND MANUALS FOR COMPUTER PROGRAMS FOR DESIGN OF FRACTURING OPERATIONS IN OIL AND GAS WELL OPERATIONS ]

Electrical and Scientific Apparatus

CONSULTATION ON USE OF PROPPANTS FOR THE FRACTURING PROCESSES IN OIL AND GAS PRODUCTION

Treatment of Materials

OIL AND GAS WELL FRACTURING SERVICES, NAMELY, TESTING SERVICES TO ENHANCE THE FRACTURING PROCESSESS TO INCREASE OIL AND GAS PRODUCTION; CONSULTATION ON THE USE OF PROPPANTS FOR THE FRACTURING PROCESSES IN OIL AND GAS FRACTURE DESIGN; DESIGN OF OIL AND GAS WELL FRACTURING PROCESSES IN OIL AND GAS WELL PRODUCTION OPERATIONS; AND ROCK TESTING FOR THE FRACTURING PROCESSES

Computer and Scientific