Click chart for larger version Drilling and Violations
Between 2005 and 2011 more than 24,000 oil and gas wells were drilled in Pennsylvania. During that time, there were more than 15,000 violations. Interestingly, since 2008 the number of wells drilled per year has decreased, yet the number of violations per year has more than doubled – from 1,500 in 2008 to 4,069 in 2011. More ...