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Drilling muds for use in oil well drilling; surfactants for use in the manufacture of gas and oil wells; chemicals for use in the manufacture of gas and oil wells; chemicals used in oil well drilling, chemicals for enhancing and stimulating oil recovery from wells; chemicals for fracturing subsurface earth formations

Metal pipes and fittings for use in gas and oil wells; metal rigging chain; metal cable wire and non-electric cables; offshore drilling platforms

Drilling machines and parts therefor; boring machines; mechanical mixing machines; rotary, suction, sump and vacuum pumps

Marine depth finders; radiation and seismic movement detectors; electronic acoustic, depth and surface monitors and testers to analyze gas and oil wells; radio and wireless transmitters; transponders; flow, pressure, speed and temperature sensors; remote controls for the foregoing; ammeters; voltmeters; multimeters; ampere-hour meters; frequency and phase meters; densitometers; radiation and thickness gauges, and computer operating software for use therewith; computer hardware; tachometers; oscilloscopes; data and signal processors; computers; electrical controllers and power generation monitors for ships; audio and video tape recorders; event recorders; computer and impact printers; data processors; computer disc drives; gamma and x-ray security inspection equipment; computer operating software; power supplies; oscilloperturbographs; automatic and solenoid valves; electrical controllers, computer telephony software; telephones; light emitting diodes; electrical and integrated circuits; circuit breakers; electrical switches; electrical transformers; gas meters; densimeters; flow and pressure regulators for gas and water; blank smart and magnetic encoded cards; computer terminals; parking meters; magnetic coded card readers; CAD and CAM computer software; computer programs for testing of electronic equipment

plumbing fittings, namely, valves; water conditioning, distillation, purification and softening units

Boats; cars; trucks

Blasting explosives for use in well drilling and logging

Clocks

Printed instructional, educational, and teaching materials about well drilling and logging; stationery, writing ink; pens; copy paper

Maintenance of computer hardware; installation and maintenance of meters for electricity, gas, heat and water; well drilling

Oil well fracturing

Training in the use and operation of computer-controlled electrical components, integrated circuit diagnostic systems, computer-aided engineering design, manufacturing and testing equipment, and equipment for the water utility industry

Oil well testing; maintenance of computer software; product safety testing for meters; geological estimations and research; geophysical exploration for the oil, gas and mining industries; well logging; computer programming for others; computer consultation