Organisations International
www.aapg.org
American Association of Petroleum Geologists
www.aapg.org/global/europe
AAPG Europe Region
www.eage.org
European Association of Geoscientists & Engineers
www.eurogeologists.eu
European Federation of Geologists
www.kngmg.nl
Koninklijk Nederlands Geologisch en Mijnbouwkundig Genootschap, (Dutch Geological Society).
www.pesgb.org.uk
Petroleum Exploration Society of Great Britain
www.spe.org
Society of Petroleum Engineers