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 wellbore survey services for the oil and gas, energy, mining, environmental and construction industries; Consultation in the field of auxiliary design for oil and gas industrial machines; Consulting in the field of auxiliary design for oil and gas equipment; Design of oil-field surveys; Digital enhancement and manipulation of radiological data by means of computerized software for use in the field of oil and gas exploration and production; Exploration and searching of oil and gas; Geophysical exploration for the oil industry; Geophysical exploration for the oil, gas and mining industries; Inspection of oil fields; Performing oil well diagnostics; Providing technology information relating to oil and gas industry; Surveying of oil beds and fields; Surveying of oil-bearing seams; Testing the functionality of apparatus and instruments in the nature of oil and gas exploration and production