Oil pipeline. Construction of an oil pipeline through an area of cloud forest. The Oleoducto Crudo Pesado pipeline, completed in October 2003, transports between 390,000 and 450,000 barrels of crude oil per day from the from the Ecudorian Amazonian to Esmeraldas on the coast. The project met with opposition from environmentalists because of the damage caused to the cloud forest during construction of the pipeline, the threat of future exploitation of the Amazon region for oil, and the risk of pollution.