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According to the US Geological Survey, yes, that would be a lot. The average daily production of natural gas was at its highest in 1971 at 435 thousand cubic feet of gas per day/well. That number has since decreased to around 160 thousand cubic feet per day/well. You can find more information here: http://pubs.usgs.gov/fs/fs-0113-01/fs-0113-01.pdf
Archaeologist and Folklorist
Master of Philosophy in Medieval Archaeology from the University of Glasgow