An owner’s guide to mineral rights in the Strawn Group — a major Pennsylvanian sequence of north-central Texas, named after Strawn, TX in adjacent Palo Pinto County.
Quick answer
The Strawn Group is a major Pennsylvanian-age sequence of sandstones, shales, and limestones in north-central Texas. The Group is named after the small town of Strawn, TX in Palo Pinto County, where it was first described — making the Strawn / Eastland / Palo Pinto area the type locality of the Strawn nomenclature used across the Bend Arch.
Age: Pennsylvanian (Carboniferous, ~310 million years old)
Lithology: Mixed sandstones, shales, limestones (clastic + carbonate sequence)
Typical depth: 2,500-4,500 ft TVD across the Bend Arch
Reservoir quality: variable; sandstone members can have good porosity (12-22%); limestone members lower
Trap mechanisms: stratigraphic pinchouts, low-relief structural anticlines, fractured carbonates
The Strawn Group is productive across the Bend Arch trend of north-central Texas:
Eastland County — Strawn produces from 2 of top 20 wells, including the only modern 2017 directional well (Winchester 1)
Palo Pinto County — the type-locality area; significant Strawn production around Strawn and Mineral Wells
Stephens County — Strawn underlies the Caddo and contributes to deeper completions
Young, Shackelford, and Throckmorton counties — northern Bend Arch extension
Fort Worth Basin (eastern flank) — Strawn is one of multiple stacked Pennsylvanian targets, alongside the Barnett Shale beneath
Strawn Group wells produce primarily oil with limited associated gas:
Per-well rate: 5-25 BOPD typical for vertical Strawn completions; higher for modern directional wells
Decline rate: 8-15% annual on primary production; 5-10% on waterflood
Reserve life: 15-30+ years on actively-maintained units
Modern enhancement: selective directional re-entries (e.g. Winchester 1 in Eastland County, 2017) targeting deeper Strawn intervals
If your mineral interest produces from the Strawn Group, Buckhead Energy can provide a free written offer. Strawn interests are typically inherited multiple generations deep from the 1917-1925 boom era.
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