Empresas operadoras

Ente Nazionali Idrocarburi
http://www.eni.it

Britihs Petroleum
http://www.bp.com

Shell
http://www.shell.com

Repsol-YPF
http://www.repsol.com

Exxon -Mobil
http://www.exxon.com

Qatar General Petroleum Corporation
http://www.qp.com.qa

Petroleos de Venezuela SA
http://www.pdvsa.com

Empresa Nacional de PetrĂ³leo
http://www.enap.cl

Occidental Petroleum Corp.
http://www.oxy.com

Sonatrach
http://www.sonatrach-dz.com

Pertamina
http://www.pertamina.com

Kuwait Petroleum Corporation
http://www.kpc.com.kw

Saudi Aramco
http://www.saudiaramco.com

Abu Dhabi National Oil Company
http://www.adnoc.com

Petroecuador
http://www.petroecuador.com.co

Ecopetrol S.A.
http://www.ecopetrol.com.co