[thackney]

Last year, natural gas output from the Marcellus surged 61% year over year to average 10.4 billion cubic feet per day

It is now 14.8 bcf/d.

Marcellus - March 2014
Drilling Productivity Report
http://www.eia.gov/petroleum/drilling/pdf/marcellus.pdf

[ckilmer]

That’s quite a growth curve.