Rubiales oil field

The Rubiales Oil Field is an oil field located in the Llanos Basin, Meta Department, Colombia. It was discovered in 1981 and was first developed, operated and owned by Pacific Rubiales Energy. The field produces heavy oil (11.3-14.5° API gravity) from the C7 unit of the Carbonera Formation.^[1] The porosity of the reservoir formation is between 28 and 33% and the permeability ranges from 3 to 5 Darcies.^[2] In 2008, 22.817.163 barrels were produced from the field.^[3] The total proven reserves of the Rubiales oil field are 4.38 billion barrels (588 million tonnes), and production in 2017 is 132,000 barrels per day (21,000 m³/d).^[4]

Rubiales Oil Field
Location of Rubiales Oil Field Show map of Meta Department Rubiales oil field (Colombia) Show map of Colombia
Country	Colombia
Region	Meta Department
Location	Puerto Gaitán
Offshore/onshore	Onshore
Coordinates	3°46′02.2″N 71°23′16.3″W
Operator	Ecopetrol (since July 2016) Pacific Rubiales Energy (until July 1, 2016)
Field history
Discovery	1981
Start of development	1988
Start of production	1992
Production
Current production of oil	132,000 barrels per day (~7.48×10^6 t/a)
Estimated oil in place	588 million tonnes (~ 696×10^6 m3 or 4380 million bbl)
Producing formations	C7

Change of operator

Since July 1, 2016, the field is operated by Ecopetrol.^[5] It is the most productive field of the country.^[4]