Conference listings in the oilfield sector:

• RigZone
• Oil & Gas Journal
• Society of Exploration Geophysicists
• AAPG Conference
• Society of Petroleum Engineers
• International Association of Sedimentologists
• Society of Professional Well log Analysts
• Society of Core Analysts
• Strategic Research Institute

If your society or association is not listed here, try http://www.associationcentral.com/.