Caño Limón oilfield

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Caño Limón oilfield
Country Colombia
Region Arauca Department
Location Llanos Basin
Offshore/onshore onshore
Partners Ecopetrol, Occidental Petroleum
Field history
Discovery 1983
Start of production 1986
Current production of oil 73,000 barrels per day (~3.6×10^6 t/a)

The Caño Limón oilfield is an oil field crude oil in Arauca Department, Colombia. It is the Colombia's second-largest oil field.[1]


The Caño Limón oilfield was discovered in July 1983 by Occidental Petroleum.[2] Oil extraction operations began in 1986.


The Llanos basin is located east of the Eastern Cordillera (Andes) in Colombia. The bulk of the oil is found in deltaic sands of Eocene Mirador and the Upper Cretaceous formation. The average API gravity of oil is 29.5°.


The oil field is jointly owned by the state oil firm Ecopetrol, and Occidental Petroleum. The produced crude oil is transported by the Caño Limón – Coveñas pipeline to Colombia's Caribbean coastline.

Environmental issues[edit]

The National Institute of Renewable Natural Resources and Environment repeatedly criticized the operation. In 1988, it found that the operators had taken inadequate steps to prevent environmental damage. Later in 1992, it conducted water sampling studies that found high concentrations of heavy metals and polycyclic aromatic hydrocarbons. It found that "because of the polluting effluents from Caño Limón, the receiving rivers and lakes are no longer fit for human consumption."[citation needed]


  1. ^ "Cano Limon output cut". Upstream Online. 2002-03-05. Retrieved 2010-02-10. 
  2. ^ McCollough, C.N. (1987). "Geology of the Super Giant Cano Limon Field and the Llanos Basin, Colombia". In Horn, Myron K. Transactions of the Fourth Circum-Pacific Energy and Mineral Resources Conference, August 17–22, 1986, Singapore. Circum-Pacific Council for Energy and Mineral Resources.