BOGOTA, Colombia, Jan. 26, 2016 /CNW/ — Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC; TSX: ECP) reports that Hocol Petroleum Limited, a fully owned subsidiary of Ecopetrol S.A., has formed a new company, Ecopetrol Costa Afuera Colombia S.A.S., as approved by Hocol Petroleum Limited’s…