Technology research in the field of oil developing and refining; Providing quality assurance services in the field of oil developing and refining; Analysis of oil fields; Analysis and testing for oil workings; Oil prospecting; Oil field surveying; Oil well testing; Calibration measuring; Computer software design for others

Power tools, namely, mine borers, reamers, burrs; Drilling machines and parts therefore; Oil refining machines; Petroleum drilling machines; Oil well washing machines; Slurry pumps for petroleum; Drifting machines for oil wells; Oil drain pumps; Electric oil extractors; Oil separators