Well drilling machine tools and machine tool parts for oil and gas wells and for geothermal wells, namely, inflatable, pneumatic and hydraulic well packers, expansion sleeves, barriers and valves; Well drilling machine tools and machine tool parts for use in sectioning of pipes, pipelines and pipe systems in connection with oil and gas drilling and in gas and oil wells and geothermal wells; Well drilling machine tools and machine tool parts for control of fluid flow for use in connection with oil and gas drilling and oil and gas wells on land and at sea; hydraulic and electrical transportation systems comprised of downhole conveyance apparatus and pumps for use in connection with oil and gas drilling and oil and gas wells on land and at sea; machine parts, namely, bearings and cylinders; hydraulic and electrical conveyor mechanisms not manually operated in the form of apparatus and instruments for use in fastening and loosening mechanical devices in oil and gas wells and geothermal wells; hydraulic and electrical conveyor mechanisms not manually operated in the form of apparatus and instruments for use in collecting and removing material in oil and gas wells and geothermal wells
Machinery