Construction work for oil and gas pipelines, Design and execution of research and development, diagenesis services, Drilling platforms, Engineering, Materials (r&d), Offshore production platforms, Oil & gas production (r&d), Oil platform equipment, Petroleum technology services, Petrology, Platforms drilling rigs, Refinery & other downstream technology (r&d), Regasification services, Research & development (r&d), Research and development services and related consultancy services, Research and experimental development services, Research consultancy services, Research laboratory services, Research services, Reservoir evaluation, Services incidental to gas extraction, Services related to the oil and gas industry, Subsea,