Pennsylvania Oil and Gas Drilling Intensity by County, 2005-2011

3. Mckean County

1. Forest County

2. Armstrong County

4. Indiana County

5. Greene County

0

25

50

100 Miles

Wells per 100 sq. mi 0 - 16

Top 5 Counties with Highest Concentration of Drilled Wells

17 - 40

1. Forest County - 1,393 wells / 432 sq.mi 2. Armstrong County - 1,852 wells / 665 sq.mi 3. McKean County - 2,303 wells / 985 sq.mi 4. Indiana County - 1,733 wells / 835 sq.mi 5. Greene County - 1,112 wells / 578 sq.mi

41 - 96

97 - 208 > 209

*Total of 22,952 oil and gas wells drilled between 2005-2011 **Includes 3,896 Marcellus shale wells

Ü

Data Credit: PA DEP Bureau of Oil and Gas Management http://www.dep.state.pa.us/dep/deputate/minres/oilgas/abandonedOrphan.htm

Created by Sara Scoville-Weaver November 15, 2011 www.skytruth.org Coordinate System: UTM Zone 18N Datum: NAD 1983