The state-owned company has since strived to make the best of its resources, managing a diverse exploration portfolio with mixed results and rolling out important investment opportunities to potential partners.
One of its most important achievements was the tripling of heavy oil output on the Castilla block, now standing at more than 60,000 bpd and scheduled to increase to 90,000.
Ecopetrol's work on Castilla was just a taster for its plans to find a partner for a $1.6
