 | 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 Inc. - 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.
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