Oil and gas well drilling services, namely, providing measurements and downhole telemetry while drilling; Oil exploration; Oil field exploration; Oil field surveying; Oil prospecting; Oil prospecting, namely, well logging and testing; Oil well testing; Oil-field surveys; Oil-well testing; Analysis for oil research; Analysis for oil-field exploitation; Analysis of oil fields; Analysis of oil soakings; Analysis services for oil field exploration; Analytical station for oil soakings; Conducting ...

Oil and gas drilling; Oil and gas industrial machine cleaning services; Oil and gas well downhole coring services; Oil pipeline construction; Oil pipeline laying; Oil pumping; Oil pumping and extraction; Oil well casing, tubing, and drill pipe installation; Oil well drilling; Cementing services for oil and gas wells; Construction of facilities, structures, living quarters, and utility buildings, production modules and subsea modules in the oil and gas industry; Construction of structures for ...

Oil and gas well downhole survey and measurement equipment; Oil level sensors; Oil well Christmas trees in the nature of an assembly of valves, spools, and fittings that control the flow of oil or gas out of a well; Automated process control system, namely, micro-processor based hardware and software used to monitor the status of industrial processes, namely, power generation, electrical distribution and oil and gas processing; Automatic valves for surveying, exploring, producing, and refinin...