Drilling machines; Drilling rigs, floating or non-floating; Oil refining machines; Elevating apparatus; Injectors for engines; Pumps; Valves,parts of machines; Compressors; Superchargers; Regulators ,parts of machines; Machines and devices for geoexploration, mining and beneficiation; Machines and devices for oil exploration and oil refining industry; Devices (machines) for producing petrochemicals; Sludge pump for oil spills; Well-washing machines; Drifting machines for oil exploration; Oil-well pump; Beach working machine, being on shore machinery for oil exploration and extraction