2 Min Read BOGOTA (Reuters) - Colombia’s majority state-run oil company, Ecopetrol, will make up to $15 billion of organic investment between 2021 and 2023, it said on Tuesday, as it reported an 87.3% drop in 2020 net profit. FILE PHOTO: A storage tank is seen at Ecopetrol's Castilla oil rig platform, in Castilla La Nueva, Colombia June 26, 2018. REUTERS/Luisa Gonzalez The company will invest $12 billion to $15 billion over the next three years, Ecopetrol said in a statement, averaging $4 billion to $5 billion a year. The investment plan is aimed at ensuring profitable growth based on Brent oil at $45 per barrel in 2021, rising to $50 and more in later years, Chief Executive Felipe Bayon said in a statement.