Colombia’s crude oil reserves declined by 16.eight % final yr, in line with the nation’s pure assets ministry, however issues are altering this yr and extra new wells had been dug so far in 2017 than in the entire of 2016. At their present degree of 1.66 billion barrels, Colombia’s reserves are sufficient for five.1 years of manufacturing. In January, the ministry had estimated the nation’s reserves for 2015 at over 2 billion barrels – adequate for five.5 years of manufacturing. South America’s fourth-largest oil producer…