News:
Notice
July 1, 2026

GCGL will be closed for the rest of the day due to A/C issues. We apologize for any inconvenience. Thank you for your understanding.

INDEPENDENCE DAY – July 4,2026
June 29, 2026

GCGL will be closed Friday 3, 2026 thru Sunday 5, 2026 in observance of Independence Day. Regular hours will resume Monday 6, 2026.

LogBase Secured
September 12, 2025

LogBase Server is now securely served.

A certificate is now in place.

Website is live
September 12, 2025

GCGL website is now live.

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Well Logs

Scout Tickets

Base & Lease Maps

Paleo Data

Core Analysis

Velocity Surveys

Welcome to Gulf Coast Geological Library

Houston’s oldest and largest geological library

"Serving members since 1967 with unmatched well log and geological data coverage in Texas and Louisiana."

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Full access to all library resources

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Access to technical journals

Reciprocal library privileges

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