Production Service: oil and gas wells. Gas facilities and batteries. Production water and oil treatment plants. Oil and LPG loading and offloading bays. General tasks. Maintenance Service: Individual pumping devices, electric submersible pumps, electrical and mechanical installations, oil transportation and storage, centrifugal and alternate pumps, tanks and containers. Continuous-process machines, two and three-phase separators, impeller pumps, pneumatic and mechanical valves, chemical injectors, electrical installations. Tele-metering and tele-control, remote command and metering electronic systems. Industrial process automation, servo-mechanisms, and more. Maintenance and production service management in Barrancas and Ugarteche Oilfields.