Texas Oil and Gas Association
304 West 13th Street
Austin,
Texas
512-478-6631
American Association of Petroleum Geologists
1444 S. Boulder Ave.
Tulsa,
Oklahoma
1 800 364 2274
Society of Exploration Geophysicists
8801 S. Yale Ave. Suite 500
Tulsa,
Oklahoma
918-497-5500
Society of Petroleum Engineers
222 Palisades Creek Drive
Richardson,
Texas