Exploration for hydrocarbons, namely, petroleum, crude oil, petroleum condensate, natural gas liquids and natural gas; Monitoring and testing of oil wells, gas wells, drilling rigs, and pump jacks; Technical consultation and research services in the field of exploration of crude oil, natural gas, petroleum, liquid natural gas and petroleum condensate; Industrial design services in the field of exploration, processing and production of crude oil, natural gas, petroleum, liquid natural gas and petroleum condensate