GDL Drilling and production data

GDL has the premier archives in Houston of donated and acquired logs. Our focus is on Texas and Louisiana but there are thousands of additional logs in other states. In addition, we purchase any logs needed by our members that are not in our inventory.

Log Coverage

• 412,000 logs along the Texas Gulf Coast, East Texas and South Louisiana
• 230,000 logs in North and West Texas, as well as Southeastern New Mexico
• 5,000 logs covering portions of Alabama, Arkansas and Mississippi
• 30,000 offshore GOM logs

Rare logs on Microfilm

• Texas and South Louisiana - 1 million logs
• Phillips Petroleum - AZ, CO, ID, MI, NM, ND, OK, SD, TX, WY
• Ashland Exploration - AZ, AK, CA, CO, MI, NE, NM, ND, KY, SD, UT, WY

Donated Rare Logs

• Chevron - all in East Texas
• Enron - offshore
• Goldking/DeNovo - Texas and Louisiana (1" and 5")
• American Photo Collection - 40,000+ logs, including many 5" logs that are unavailable elsewhere (Mecom and Mosbacher)
• Mesa - 30,000 logs (1" and 5")
• Mobil - South Louisiana (with core data)
• Northwind - 20,000 logs in Texas, Louisiana and offshore (1" and 5") 
• Sinclair - 180,000 logs