Country
Oilfield Places
- North America > United States > New York > Appalachian Basin > Marcellus Shale
- North America > United States > Pennsylvania > Appalachian Basin > Marcellus Shale
- North America > United States > Texas > Fort Worth Basin > Barnett Shale
- North America > United States > Texas > Maverick Basin > Eagle Ford Shale
- North America > United States > Virginia > Appalachian Basin > Marcellus Shale
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