The development stages:Exploration drilling/2009-06.The Piedemonte block is controlled by the Canadian oil company Talisman and Colombia´s Ecopetrol, through a joint venture called Equión Energía. Two wells at the Piedemonte block have been brought into production through Equión Energy, a joint venture with Colombia's state oil company Ecopetrol. The wells produced 9,000b/d in Q312.