75878363
Dec 21, 1999
TOOLS AND MACHINES FOR OIL AND GAS EXPLORATION AND PRODUCTION, NAMELY DRILL STRINGS, BOTTOM HOLE ASSEMBLIES, AND WIRE LINE TOOLS
MachineryOIL AND GAS WELL DRILLING AND PUMPING; OIL AND GAS WELL CASING, TUBING, DRILL PIPE INSTALLATION, AND RENTAL OF OIL AND GAS WELL DRILLING TOOLS
Building Construction and RepairCOLLECTING AND MAINTAINING OIL AND GAS FIELD RESERVOIR INFORMATION FOR USE IN OIL AND GAS RESERVOIR DEVELOPMENT
Computer and Scientific