Marcellus Overview: The Marcellus Shale is one of the most prolific shale basins in North America, in terms of both acreage and reserve potential. Read More

Marcellus Counties: PA: Allegheny, Armstrong, Beaver, Bedford, Blair Read More

Marcellus Pipelines (natural gas): Columbia Gas Transmission, Dominion Transmission, Empire Pipeline, Equitrans, Leidy Hub, Millennium, National Fuel Gas, Tennessee, Texas Eastern Transmission, Transco Read More

Marcellus Net Acreage Table: A table detailing the net acreage owned by various companies in the Marcellus play. View Table

Utica Overview: The Utica Shale is a massive formation that lies beneath portions of Kentucky, Ohio, Maryland, New York, Pennsylvania, Tennessee, West Virginia, and Virginia. Read More

Utica Counties: OH: Ashland, Ashtabula, Belmont, Carroll, Columbiana Read More

Utica Pipelines (natural gas): Clarington Hub, Cobra Pipeline, Columbia Gas Transmission, Dominion Transmission, East Ohio Gas, Rockies Express, Tennessee, Texas Eastern Read More

Utica Net Acreage Table: A table detailing the net acreage owned by various companies in the Utica play. View Table

Upper Devonian/Huron Overview: The Upper Devonian Shale (UD), which lies just above the Marcellus Shale (the Marcellus is part of the Middle Devonian formation), has the potential to contribute meaningfully to the already burgeoning supply growth in the Appalachia region as well. Read More

Upper Devonian/Huron Counties: KY: Boyd, Breathitt, Carter, Clay, Elliott Read More

Upper Devonian/Huron Pipelines (natural gas): Columbia Gas Transmission, Dominion Transmission, Empire Pipeline, Equitrans, Leidy Hub, Millennium, National Fuel Gas, Tennessee, Texas Eastern Transmission, Transco Read More