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Pearsall Shale
United States


Location  Maverick Basin of South Texas
Thickness  500-600 ft
Formation Details  The Pearsall Shale is located about 2500' beneath the Eagle Ford Shale. Composed of interbedded organic shale, silica and limestone, the Pearsall Shale is similar in composition to the Eagle Ford Shale. The Lower Cretaceous Aptian Pearsall Formation occurs in the northern Gulf of Mexico Basin where thermal maturity varies from overmature in the Maverick Basin of south Texas to immature to peak oil window in the north-central and eastern parts of the basin.
Notes  The Pearsall Shale is a gas formation that garnered attention near the Texas-Mexico border in the Maverick Basin before Eagle Ford development kicked off. The Pearsall Shale is found below the Eagle Ford at depths of 7,000-12,000 ft.

Projects and Work Interests

Anadarko Operations in EagleFord Shale (Maverick Basin) (Low)
Anadarko holds approximately 400,000 gross acres (200,000 net acres) in the Eagleford Shale in Dimmit, LaSalle, Maverick and Webb Counties. Anadarko drilled in the Pearsall and Eagleford shale gas in ...
Magnum Operations in Pearsall Shale
Magnum Hunter Recourses acquired approximately 1,885 net mineral acres located in Atascosa County, Texas. The acquired acreage is prospective for both the Eagle Ford and Pearsall shales and gives the ...

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