Your Subtitle text

Petroleum Data for Texas & New Mexico

The Subsurface Library, founded in 1962, is the premier petroleum data library for the Permian Basin, the largest oil and gas basin in the United States.

The Library's well log index, Amerada scout tickets and Kroenlein scout cards are searchable online by location

Our files contain both current and historical well data and include many unique and hard to find data sets that cannot be found anywhere else. 

The Library also has an office inside the Bureau of Economic Geology in Austin for access to statewide well data at the Texas Railroad Commission and the General Land Office.

      The Library's collection includes:

  • Over 1,000,000 Well Logs
  • Logs searchable online by location
  • Sample Logs & Sample Descriptions
  • Six Historical Scout Ticket Collections
  • Marathon Scout Ticket Collection NEW 
  • Historical Scout Card Collection
  • Midland Oil Scouts Association Scout Ticket Collection    
  • IHS Production & Well Data - Current & Historical
  • for all 50 States
  • Current Midland Map County Lease/Ownership Maps 
  • Geotech Service
  • Reciprocity with 13 other Libraries
  • Statewide Well Data from the BEG, RRC and GLO

Serving the Permian Basin for 55 years

In & Out-of-Town Memberships Available

600 West Ohio Avenue - Midland, TX 79701
(432) 683-5588  or
Hours:  Monday - Friday  (8:00 - 5:00)