Preservatives against rust; anti-corrosive preparations including corrosion inhibitors; protective preparations for metals

Earth drilling and oil and gas well instrumentation and measurement devices, namely downhole measurement-while-drilling tools, electronic pump controllers, remote control electronically-operated valves, formation evaluation and production fluid monitors

Engineering and geological sevices for analysis of oil field exploitation including geological assessment and formation evaluation; services of planning well drilling, well design, hydraulic analysis, direction drilling, well surveying, measurement while drilling and well logging; coring services; and services for on-site supervision of wells, and measurement-while-drilling systems, and other drilling tools

All goods in class 1 including drilling fluids, oilfield chemicals and chemical compositions; additives in this class for use in the drilling, completion and workover of oil and gas wells; wax solvents

Earth drilling and oil and gas well production in this class

Material treatment services including the processing of oil and gas for production, instrumentation, and measurement services such as well treatment services, and preparation and spill treatment services

Training and educational services for business management and management executives

Business management advisory services, including management consultancy services and industrial relations consultancy services

Computers, data processing equipment apparatus for recording, transmission or reproduction of sounds or images, magnetic data carriers