Colombia's Ecopetrol to explore in four Gulf of Mexico blocks
November 23, 2015 at 14:57 PM EST
BOGOTA, Nov 23 (Reuters) - The U.S. affiliate of Colombian state-run oil company Ecopetrol will explore for oil in four blocks in the Gulf of Mexico, the company said in a statement on Monday, partially in partnership with Anadarko U.S. Offshore Corp.