Oldest Oil Producing Well. McClintock No. 1 Oil Well has produced continuously since August, 1861. Drilled only two years after the famous Drake Well, it is located 240 yards away, across the railroad. William Finn Hwy. (PA 8) at McClintock, Rouseville, PA by Pennsylvania Historical and Museum Commission Colour: blue Wikimedia: Flickr: Google Streetview OpenStreetMap