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Marcellus Shale

The massive Marcellus shale is arguably the star of the Appalachian Basin plays. It is the largest natural gas play in the United States and also one of the deepest, located directly under the Mahantongo and Tully Limestone formations. The Marcellus Shale also overlaps its neighboring shale to the north, the Utica. Due to its immense natural gas holdings, the area has seen a large influx of operators looking to tap into the reserves. Among all the shale plays, the Marcellus has been the most popular target of anti-drilling and anti-fracing sentiments. more...

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Counties contained in Marcellus Shale:

Allegheny, PA
Armstrong, PA
Barbour, WV
Beaver, PA
Bradford, PA
Brooke, WV
Butler, PA
Cambria, PA
Cameron, PA
Centre, PA
Clarion, PA
Clearfield, PA
Clinton, PA
Doddridge, WV
Elk, PA
Fayette, PA
Forest, PA
Gilmer, WV
Greene, PA
Harrison, WV
Indiana, PA
Jefferson, PA
Lawrence, PA
Lycoming, PA
Marshall, WV
McKean, PA
Mercer, PA
Potter, PA
Ritchie, WV
Somerset, PA
Sullivan, PA
Susquehanna, PA
Taylor, WV
Tioga, PA
Upshur, WV
Venango, PA
Warren, PA
Washington, PA
Westmoreland, PA
Wetzel, WV
Wyoming, PA

Major operators active in Marcellus Shale:

Antero Resources Corporation

Cabot Oil & Gas Corporation

Carrizo Oil & Gas Inc.

Consol Energy Inc.

Eclipse Resources Corp.

Empire Energy Ep

Enerplus Corporation

EOG Resources, Inc.

EQT Corporation

Exco Resources Inc.

Magnum Hunter Resources Corp.

Mitsui & Co. Ltd.

National Fuel Gas Co.

Noble Energy, Inc.

Norse Energy Corp. Asa

PDC Energy, Inc.

Range Resources Ltd.

Reliance Energy Inc

Rex Energy Corporation

Royal Dutch Shell plc

Southwestern Energy Co.

Statoil ASA

Talisman Energy Inc.

Ultra Petroleum Corp.

WPX Energy, Inc.

See maps for other major oil and gas plays

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