Chief Oil & Gas is engaged in the exploration and production of oil and natural gas reserves from the Marcellus shale in northeastern Pennsylvania.
Chief Oil & Gas has been operating in the Marcellus shale region since 2007 and drilled its first well in Lycoming County, Pennsylvania.
Chief currently operates a one drilling rig program in northeastern Pennsylvania in Bradford, Lycoming, Sullivan, Susquehanna and Wyoming
Counties. Chief's natural gas gross production is approximately 1Bcfd and it operates more than 375 wells in the region.