New York
From Wikimarcellus
The State of New York is home to roughly 70,000 natural gas wells. 14,000 of these are presently active. Much recent activity has focused on drilling into the Marcellus shale formation which is prevalent in the southwestern part of the state.
The other major shale formation in New York is the Utica shale.
The prospective areas in the State for the Utica and Marcellus shale formations has is roughly the region reaching from Chautauqua County eastward to Greene, Sullivan and Ulster counties.