A Lower Cretaceous fluvial-deltaic gas sandstone (also called the Hosston Formation) underlying the East Texas gas corridor.
Quick answer
The Travis Peak Formation — known as the Hosston Formation in adjoining Louisiana — is a Lower Cretaceous fluvial-deltaic clastic sequence underlying much of East Texas, northern Louisiana, and southern Arkansas. The Travis Peak typically sits between approximately 6,000 and 10,000 feet TVD across the producing trend, above the Cotton Valley and below the Lower Cretaceous Pettit and Sligo carbonates.
Travis Peak is a stacked-sand reservoir — multiple individual sand bodies, each separated by mudstones and shales, are commonly grouped together for completion. The formation has been a meaningful East Texas gas producer since the 1980s, with active drilling continuing through 2026 across Gregg, Rusk, Smith, Panola, Upshur, Cherokee, Anderson, Henderson, and Wood counties. The Sabine Uplift area concentrates the most prolific Travis Peak gas production.
Age: Lower Cretaceous (~140 million years)
Depth: Approximately 6,000–10,000 feet TVD across the East Texas producing trend
Lithology: Stacked fluvial-deltaic sandstones with intervening mudstones and shales; substantial vertical heterogeneity
Hydrocarbon window: Predominantly dry to wet gas; some condensate in updip positions
Public Texas Railroad Commission filings show ongoing 2026 permit and drilling activity in the Travis Peak across East Texas from operators including RFE Operating, Sabine Oil & Gas, Faulconer Energy, Valence Operating, Mud Creek, Sheridan Production III, and a deep bench of small private and family-owned independents. Many of these operators are drilling 11,000–12,000 foot Cotton Valley and Travis Peak wells on combined targets.
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