 The transformation released the company from State functions as the administrator of the oil source and the ANH (Agencia Nacional de Hidrocarburos) or in English, the National Hydrocarbon Agency, was created to carry out the function.As of 2003, Ecopetrol S.A. began an era in which, with more autonomy, it accelerated its exploratory activities, its capacity to obtain results with a business and commercial vision and the interest in improving its competitiveness on the world oil market.Internationally the company operates also in the Gulf of Mexico, from Houston, Texas, the Mexican Gulf of Mexico offshore Veracruz, Tabasco and Campeche, and in the Brazilian offshore, with offices based in Rio de Janeiro, Brazil.