37
Technical consultation in the fields of installation, repair and maintenance of oil and gas rigs and drilling equipment, drilling of oil and gas wells; drilling of oil and gas wells; oil and gas well drilling services utilizing a range of techniques and technologies to optimize drilling performance, minimize formation damage, enhance well integrity, and mitigate hazards
42
Scientific and technological services and research and design relating thereto; engineering services; surveying and exploration services; industrial analysis and research services; design and development of computer hardware and software; architectural designs; calibration; chemical analysis; chemical research; geological research; geological survey; land surveying; mechanical research; underwater exploration; product development; all of the aforementioned services in connection with the oil and gas extraction industry; analysis of oil and gas fields; oil and gas prospecting; oil and gas field surveying; oil and gas well testing; provision of computer services in drilling operations including computer services for control of flows and pressures while drilling oil and gas wells; scientific and technical research services and engineering services relating to the drilling of oil and gas wells; managed engineering services designed for control of flows and pressures in oil and gas wells, tailor made to production needs, operational costs, protection of well site personnel and rig equipment
45
Reviewing standards of practices to assure compliance with environmental zoning laws and regulations; geological prospecting; all of the aforementioned services in connection with the oil and gas extraction industry