Scientific and technological services and research and development services in the fields of oil and gas well exploration, drilling, and operations; design and development of computers and computer software for the oil and gas field industry; scientific and industrial research services for the oil and gas field industry; reservoir-technical laboratory services for the oil and gas field industry; engineering services for the oil and gas field industry, namely core treatment, core sampling and analysis, geological preparation and core bearing services; consulting services, product development and assignment-based research and development services for the oil and gas field industry; petroleum engineering services; engineering services, namely collection, logging and analysis of mud and cuttings, fluid sampling and analysis, merging and reporting of reservoir and down hole data and chemical analysis of oil/gas field-produced water and associated by-products; engineering and geological consulting services for the oil and gas field industry; engineering consulting services for the oil and gas field industry, namely development of analytical equipment and procedures, hydrocarbon reservoir and province delineation and mapping, seismic data processing and data processing and computing, all in relation to the oil and gas field industry; engineering and consulting services, namely, rock cataloguing, monitoring down hole and reservoir, reservoir management, reservoir characterization, reservoir maximization, coordination of down hole data and processing seismic data; surveying and engineering; seismic signal processing engineering services, namely, computer processing of seismic data using time-lapse three dimensional imaging and four dimensional imaging seismic methods for reservoir management, and development of analytical equipment; technical consultation and research services for the oil and gas field industry in the field of reservoir engineering, seismic imaging, geology, geophysics, geochemistry, geo-science and water technology; chemical analysis engineering services and analysis of oil field and oil wells and down holes; testing and analysis of oil wells and down holes; seismic engineering services to obtain, process and interpret marine seismic data; well testing services, evaluation drilling, completion, production and surveillance in connection with open and lined wells, including logs for electronic logging, resistance logging and particular induction logging, radioactivity logging, acoustics logging, seismic logging, caliber logging, temperature logging, NMR (nuclear, magnetic resonance) logging, production logging and combinations of these types of logging; engineering services, namely, collection, processing, interpretation, saving and presentation of data from well logs under computer command; oil and gas well completion and stimulation engineering services, namely, cementation, acid treatment, fractionation; operation of wells, namely, computer analysis of formation characteristics, drilling efficiency and direction data, and engineering interpretation of data; oil and gas well slam logging including analysis of gas and cuttings, measurement of clay- and slate density, excavation volume, fluid flow, temperature and weight; mapping surface measurements related to the drilling operations and for measurement of the load on the drilling crown, temperature, torque, rotation speed, lining pipe pressure, pump pressure, working-block weight, hook load, H2S and C02- detection; engineering services, namely taking and analyzing measurements down in the well during drilling, such as measurement of resistance, gamma radiation, the direction and inclination of the drilling hole, measurement of tool expanses, the load on the drilling crown, torque, rotation speed, penetration and temperature time and gradient; engineering services relating to and handling the individual steps of the drilling process