CNOOC Energy Technology & Services Limited operates in the oil and gas industry in China. The company operates through four segments: Energy Technology Services; FPSO Production Technology Services; Energy Logistics Services; Safety and Environmental Protection and Energy Conservation. It offers energy technology services, such as engineering and technical, equipment operation and maintenance, pipeline technical, and data information services; FPSO production technology services; energy logistics services, including logistics, sales, and catering services; and oil spill emergency, safety and environmental protection technology, industrial water treatment, coatings and industrial protection, catalyst, LNG cold energy utilization, and energy conservation and environmental monitoring services. The company is based in Beijing, China. CNOOC Energy Technology & Services Limited is a subsidiary of China National Offshore Oil Corporation.