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Well DATA

Over 1,000,000 Logs (1920's to Present)

Over 1,000,000 Logs (1920's to Present)

Over 1,000,000 Logs (1920's to Present)

The Library's log collection is searchable online nine different ways.


  • By Location (County, Section, Block, Survey, Township & Range, League, Labor). 
  • By Operator, Well Name & Depth Interval.


New logs are added daily. If we don't have the log you are looking for, we usually can find it. 


Our collection also includes unreleased and donated logs and runs from the 1920's to the present.

Microfiche Log Collections

Over 1,000,000 Logs (1920's to Present)

Over 1,000,000 Logs (1920's to Present)

Texas Logs - Collection covers the entire state of Texas. The logs were released between 1985 and 1998.


220,000 Microfiche Logs (All over Texas, not just the Permian Basin).


Wyoming Logs - Collection covers the entire state of Wyoming. The logs, some 26,000, were released between 1950 and 2007.


Library has a microfiche viewer-printer-scanner where one can view, print or make a digital image (PDF or TIF) of a log.

Permian Basin Sample Lab Logs

Over 1,000,000 Logs (1920's to Present)

Permian Basin Sample Lab Log Descriptions

The entire PBSL log collection along with index cards was acquired by the Library in 2008. The PBSL was the primary company providing Stratigraphic Logs for the Permian Basin.


There are some 16,000 logs in Texas, 6,000 in New Mexico and a few in Arizona, Utah and Arkansas. Both Wildcat wells and trending Field wells are included.


Coverage begins on May 15, 1944 when the sample lab was formed until December 31, 1969, covering a period of 25 years and 7-1/2 months.

Permian Basin Sample Lab Log Descriptions

Midland Oil Scouts Association Scout Ticket Collection

Permian Basin Sample Lab Log Descriptions

The PBSL's log description collection was acquired by the Library and contains over 30,000 logs stored in 20 filing cabinets.


These descriptions are detailed, handwritten and were transcribed by geologists for the PBSL.


Coverage begins around 1944 and runs through 1993.



Permian Basin Mud Log Collections


Subsurface collection of approximately 4,215 mud logs in West Texas (filed by operator) and Southeast New Mexico (filed by township and range).


Bettis Brothers Mud Log donation of 4,560 logs covering the Permian Basin filed by operator in Texas and by township and range in New Mexico.


8 Historical Oil Company Scout Ticket Collections

Midland Oil Scouts Association Scout Ticket Collection

Midland Oil Scouts Association Scout Ticket Collection

(H) denotes Handwritten Tickets


  • Amerada Petroleum, American Republic (H), Argo, Marathon (H), Mobil (H), Midland Oil Scouts Association - MOSA, Sinclair (H) & Western Natural Gas. 
  • Coverage ranges from the early 1920's through the 2000's.
  • The Amerada scout tickets are searchable online by location, where they may be viewed and printed.
  • This original set of Amerada tickets starts from the beginning of exploration in the Permian Basin and runs until 1972.
  • Amerada’s management had a well-known reputation for being very conscientious about maintaining complete and accurate geological files including scout tickets.

Midland Oil Scouts Association Scout Ticket Collection

Midland Oil Scouts Association Scout Ticket Collection

Midland Oil Scouts Association Scout Ticket Collection

500,000 Permian Basin scout tickets covering a period of time beginning in the late 1950's and running into early 2011.  


In the late 1950's, Williams & Lee (and subsequently IHS) inaugurated a commercial scouting service using printed tickets to replace the hand written tickets that had existed since the Scout Check was formed in the 1930's--when all scouting information was exchanged verbally at the Scout Hall in Midland every Wednesday morning.


 

Great Western Drilling Collection 

Great Western generously donated their very large well data collection including their Mud and Sample Log collection of 3,012 logs covering all of Texas & New Mexico, various Topo, Geological & Structure maps and Geological Atlases.

Marathon Oil Scout Ticket Collection

Midland Map Company Lease & Ownership Maps with Well Spots

Midland Map Company Lease & Ownership Maps with Well Spots

Coverage begins in the 1930’s and runs to the 2000’s.


  • Tickets are indexed by location. 
  • Some tickets are handwritten.

Midland Map Company Lease & Ownership Maps with Well Spots

Midland Map Company Lease & Ownership Maps with Well Spots

Midland Map Company Lease & Ownership Maps with Well Spots

Midland Map Company maps provide complete clarity around a well or your AOI on a countywide basis with layers such as:


  • Current Lease Activity
  • Surface Ownership Information
  • Current Well Spots
  • Well Data


Midland Map Sample Land Map

IHS Markit Production & Well Data

Midland Map Company Lease & Ownership Maps with Well Spots

Statewide Data from RRC, BEG, GLO & UL

Current & Historical Production & Well Data, updated nightly, including:


  • Production Data
  • Well Data
  • Lat Longs
  • Grid
  • Interpreted Formation Tops
  • Structure Contour Maps
  • Prodfit
  • Raster Logs
  • Drilling Wire on the Web (Progress Reports) 
  • Energy News on Demand

Statewide Data from RRC, BEG, GLO & UL

Statewide Data from RRC, BEG, GLO & UL

Statewide Data from RRC, BEG, GLO & UL

We offer a Geotech service that provides access to well data at the following state agencies:


  • Bureau of Economic Geology
  • Texas Railroad Commission
  • Texas General Land Office
  • University Lands


4 Historical Scout Card Collections

Statewide Data from RRC, BEG, GLO & UL

4 Historical Scout Card Collections

  • Kroenlein
  • Rinehart's
  • Petroleum Information (P.I.)
  • Sinclair (1920 - 1970)

Reading Room Materials

Statewide Data from RRC, BEG, GLO & UL

4 Historical Scout Card Collections

  • Original Lockwood's Production Books
  • Laughlin-Simmons Elevations & Locations
  • USGS Topographic Maps
  • Texas Oil & Gas Proration Schedules
  • Oil & Gas Rules and Regulations for Texas & New Mexico
  • Geological Atlas Structure Maps of the Permian Basin by Structurmaps, Ltd., Midland, Texas

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