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Online Access to the Library Database

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what we do

Geotech Services

  • Log and scout ticket research

  • Scanning of logs and maps

  • Production reports

  • IFS Tobin Maps and related lookups

Library staff provide Geotech services on a “first come, first served” basis to the members upon written request. Staff provide one working day turnaround service, if possible.

Request Service

what we do

Reference Data

  • Structure Maps and Field Studies of Texas by Houston Geological Society.
  • Structure Maps and Field Studies of Texas by Corpus Christi Geological Society.
  • 1967-1998 Volumes of Structure Maps of Texas by Petroleum Information or Rhinehart from the Railroad Commission of Texas.
  • East Texas Structure Maps by East Texas Geological Society.
  • Gulf Coast Association of Geological Societies Transactions, Trends, Fields, and Structure Maps.
  • Structure Maps by Railroad Commission of Texas.
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Maps

Base and Lease Maps For Texas and Louisiana

Request Maps
  • IFS Tobin Lease Summary Maps – 1”=2,000’
    • Includes updated leases, well spots, and grid plus vintage ownership
    • Coverage includes Texas RRC Districts 1 thru 6, South Louisiana, Northwest Louisiana
    • Note: Not available for Harris County, Texas
  • IFS Tobin Regional Strip Maps – 1”=2,000’
    • Includes well spots and grid
    • Coverage includes Texas RRC Districts 1 thru 6
  • IFS Tobin Regional Base Maps – 1”=2,000’
    • Includes vintage well spots and grid
    • Coverage includes South and Northwest Louisiana

  • GeoMap — 1″ = 2000′ Gulf Coast base maps (updated to 1979 & 1988)

  • George Kelly — 1″ = 1 mile for East Texas & North Louisiana

  • Texas County Maps (Atascosa → Zavala)

  • Zingery Field Maps — Texas & Louisiana

IFS Tobin Lease Summary Maps Index
IFS Tobin Regional Strip Maps Index
IFS Tobin Regional Base Maps Index

Log Ordering

Library staff will order well logs not in the Library database from a subscription vendor upon request.

Request a log order

Reciprocal Libraries

A GCGL member may visit a reciprocating library accompanied by a required letter of introduction from GCGL for each visit. You are subject to the rules and regulations of each individual library. Geotech and reproduction charges are additional.

Balcones Energy Library

2206 Danbury Dr
San Antonio, TX 78217
210-820-0814

Oil Information Library

Suite 100 Energy Center, 710 Lamar Street
Wichita Falls, TX 76308
940-322-4241

Petroleum Data Library

120 South Braodway, Suite 100
Tyler, TX 75702
903-316-7722

The Subsurface Library

600 W. Ohio Avenue
Midland, TX 79701
432-683-5588

Corpus Christi Geological Library

555 N. Carancahua St. Ste. 310
Corpus Christi, TX 78401
361-884-1362

Ready to find the data you need?

Search LogBase for well logs, maps, and scout tickets. Join to unlock full access and member services.

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