75837410
Nov 1, 1999
Aug 6, 2002
COMMON METALS AND THEIR ALLOYS FOR FURTHER MANUFACTURE; PIPES AND TUBES OF METAL; METAL PIPES AND TUBULARS, NAMELY DRILLPIPES, COLLARS, CASINGS OR TUBES FOR USE IN THE OIL AND GAS INDUSTRY; METAL PIPES FOR DRILLING PURPOSES; CASINGS AND LINERS FOR DRILLING OR TO ENCLOSE A DRILLED SHAFT USED IN THE OIL AND GAS INDUSTRY
Metal GoodsMETAL PIPES AND TUBULARS ANALYSIS, INSPECTION AND TESTING APPARATUS AND INSTRUMENTS, NAMELY INSPECTING, ANALYSIS AND TESTING EQUIPMENT HAVING ULTRASONIC AND ELECTROMAGNETIC SENSORS FOR INSPECTING METAL PIPES AND TUBULARS, NAMELY, DRILLPIPES, COLLARS, CASINGS, OR TUBES
Electrical and Scientific ApparatusMATERIAL TESTING, ANALYSIS AND INSPECTION SERVICES, NAMELY, FOR DETECTING DEFECTS IN MATERIAL; TESTING, ANALYSIS AND INSPECTION OF MATERIALS FOR OIL AND GAS EXPLORATION, EXPLOITATION AND PRODUCTION, NAMELY, FOR DETECTING DEFECTS IN DRILLPIPES, COLLARS, CASINGS OR TUBES; PIPE AND TUBULAR TESTING, ANALYSIS AND INSPECTION SERVICES, NAMELY FOR DETECTING DEFECTS IN PIPES AND TUBULARS NAMELY DRILLPIPES, COLLARS, CASINGS OR TUBES USED FOR TESTING, ANALYSIS AND INSPECTION OF MATERIALS
Computer and Scientific