American Association of Petroleum Geologists
International organization with 31,000 members in 115 countries. Site includes member information, trade show schedules, news, and publications.
Bienvenidos al Instituto Petroquímico Argentino
Non-profit institution whose objectives include studies and analysis, technological research and training, and promotional services for the petrochemical and chemical industries.
Canadian Society of Petroleum Geologists
Site includes member information, convention information, news, and publications. Publishes books, a magazine and a technical journal. Has 3500 members.
Minerals and Geotechnical Logging Society
Chapter at-large of the Society of Professional Well Log Analysts. Includes contact information for officers, membership information, bylaws, and newsletters.
Petroleum Exploration Association of New Zealand I
Promoting the interests of petroleum producers and explorers in New Zealand.
PGK - Petroleum Geological Circle
Dutch professional society of petroleum geologists and engineers. In English.
SCAWeb: The Society of Core Analysts
Promotes the technology of core analysis. Has 600 members. It is a chapter at large of the Society of Professional Well Log Analysts. Based in Dallas, Texas.
Society of Petroleum Engineers
Serves professional engineers, scientists, and managers in the exploration and production segments of the worldwide oil and gas industry.
Society of Professional Well Log Analysts
Includes member services, well log mnemonics, software directory. Has 2000 members.