

Permian Basin
The Permian Basin is one of the oldest and most prolific oil producing areas in the USA, known for its layered sedimentary development and significant technological advances in extraction.
Counties:
AndrewsBordenCraneDawsonEctorGainesGlasscockHowardLovingMartinMidlandPecosReevesTerryUptonWardWinklerYoakum
Eagle Ford Shale
Eagle Ford Shale is notable for its rapid development and high liquid content, making it economically significant even with fluctuating oil prices.
Counties:
AtascosaBeeDeWittDimmitFayetteFrioGonzalesKarnesLa SalleLavacaLive OakMcMullenWebbWilsonZavala
Barnett Shale
Barnett Shale is considered the birthplace of modern shale gas drilling, pioneering horizontal drilling and hydraulic fracturing techniques.
Counties:
DentonJohnsonTarrantWiseParker
Anadarko Basin
The Anadarko Basin is known for its deep reservoirs and significant gas hydrate presence, making it a challenging yet fruitful area for extraction.
Counties:
BeckhamBlaineCaddoCanadianCarterClevelandComancheCusterDeweyEllisGarfieldGradyGreerHarmonJacksonKingfisherKiowaLincolnLoganMajorMcClainNobleOklahomaRoger MillsStephensWashitaWoodsWoodward
Ardmore Basin
Ardmore Basin has a long history of oil production with less focus on gas, distinguished by its smaller size but consistent output.
Counties:
CarterJohnstonLoveMarshallMurray
Haynesville Shale
Haynesville Shale is a leading source of natural gas in the US, known for its deep, high-pressure wells that yield large volumes of gas.
Counties:
BienvilleBossierCaddoDe SotoRed RiverSabineWebster
Tuscaloosa Marine Shale
Tuscaloosa Marine Shale is an emerging play with significant potential for oil production, currently hampered by its challenging geologic and operational environment.
Counties:
East FelicianaWest FelicianaSt. HelenaTangipahoaWashingtonAvoyellesRapides
Delaware Basin
The Delaware Basin is a major component of the greater Permian Basin, with unique geological characteristics that support robust oil and gas extraction.
Counties:
EddyLea
San Juan Basin
The San Juan Basin is known for its abundant natural gas reserves and historical significance in the US natural gas industry.
Counties:
San JuanRio ArribaSandovalMcKinley
Fayetteville Shale
Fayetteville Shale is central to Arkansas's natural gas industry, with technological advancements propelling its development.