An Oklahoma Mississippian organic-rich shale spanning the Cherokee Platform / Arkoma overlap. Active DOE/NETL field-lab work and emerging horizontal development.
Quick answer
The Caney Shale is a Mississippian-age organic-rich shale and limestone interval in southern Oklahoma. It is stratigraphically equivalent to the Barnett Shale of Texas and the Woodford Shale of central Oklahoma, and sits in the depth window where the Cherokee Platform overlaps the northern Arkoma Basin — primarily across Hughes, Coal, Pittsburg, Atoka, Pontotoc, Carter, and Johnston counties.
The Caney was historically considered a source rock rather than a primary completion target, but improvements in slickwater fracture stimulation and lateral steering have made the Caney commercially viable as a horizontal target. The U.S. Department of Energy's National Energy Technology Laboratory (DOE/NETL) has used the Caney as a field laboratory for unconventional reservoir research, with multi-well science programs in southern Oklahoma generating publicly available reservoir characterization data.
Age: Late Mississippian (~330 million years)
Depth: Approximately 5,000–10,000 feet TVD across the producing trend
Lithology: Black organic-rich shale interbedded with siliceous limestone; high silica content improves fracability
Stacked relationships: Sits above the Woodford Shale and below the Sycamore in much of the producing area; many Caney horizontals are part of multi-zone development plans
Hughes County — Cherokee Platform / Arkoma overlap; active Caney + Woodford development
Coal County — Caney within stacked Woodford / Hartshorne / Caney target sequence
Pittsburg County — Northern Arkoma Caney
Atoka County — Southern Arkoma; Caney in deep stacked sequence
Pontotoc, Carter, Johnston Counties — Southern Oklahoma Caney trend
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