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Petroleum Data for Texas & New Mexico

The Subsurface Library is open to members during its normal hours of operation.

Clients must wear a cloth face cover and maintain six feet between others while in the library.

The Subsurface Library, founded in 1962, is the premier petroleum data source for the Permian Basin, the highest producing oil field in the world.

The Library offers full suites of well data, both current and historical, including many unique data sets such as unreleased logs, handwritten scout tickets, scout cards and sample descriptions.  The Library's well log index, Amerada scout tickets and Kroenlein scout cards are searchable on our website.

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.

Memberships start at just $210 a month for access to a wealth of Permian Basin surface and subsurface information.

The Library's collection includes:

  • Over 1,000,000 Well Logs
  • Logs searchable online by location
  • Sample Logs & Sample Descriptions - Handwritten
  • Eight Historical Scout Ticket Collections - Four Handwritten
  • Marathon Oil Scout Ticket Collection
  • Midland Oil Scouts Association Scout Ticket Collection
  • Three Historical Scout Card Collections
  • Midland Map Company - County Lease & Ownership Maps        for 61 Texas & 9 SE New Mexico counties - updated quarterly
  • Drilling Info/Enverus Coverage for all 50 States
  • IHS Markit Production Data - Current & Historical
  • Geotech & Reproduction services inside our own 18,000' building
  • Reciprocity with 14 other Libraries in TX, NM, OK & CO
  • Statewide Well Data from the BEG, RRC & GLO

Serving the Permian Basin for 57 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)