The Sonangol Group, Sociedade Nacional de Petróleos de Angola (National Society of Petroleum of Angola), is the company which manages the hidrocarbon resources of Angola.

The activity of prospecting and researching hidrocarbonates began in Angola in 1910. In that year, a grant was made to to the Canha & Formigal Company of an area of 114 000 km² in the offshore basin of the Congo and the Bacia do Kwanza, with the first well drilled in 1915. Pema (Companhia de Pesquisas Mineiras de Angola) and Sinclair U.S.A. were also involved, from an early date, in the activity of prospecting and researching in Angola.