The company’s expanded rig fleet also means Ecopetrol can expand the scope of its strategy to investigate the country’s little-explored La Luna shale formation. 

International land rig contractors were meeting this week in Colombia with Ecopetrol to clarify specifications for the rigs, sources close to the process told Upstream.

It is understood that a handful of domestic and international players have been short-listed by Ecopetrol to discuss their provision.

Among