Interactive Stratigraphic Reference

Basin & Formation
Chart Library

Search, highlight, and compare oil & gas formations across regional stratigraphic charts. Select a basin below to get started.

Oklahoma
Oklahoma Stratigraphic Guide to Oil & Gas Reservoirs
Comprehensive stratigraphic chart covering formations from Pre-Cambrian through Permian across 6 regional provinces.
197 formations 6 regions Pre-Cambrian → Permian
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Texas — Permian Basin
Permian Basin Stratigraphic Chart
Detailed stratigraphic reference for the Permian Basin covering W-NW Shelf, Delaware Basin, NW Shelf Texas, Central Basin Platform, and Midland Basin.
45 formations 5 sub-basins Wolfcampian → Ochoan
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