| Year | Ohio | Pennsylvania | West Virginia | Total |
|---|---|---|---|---|
|
2007 |
13 | 16 | 32 | 61 |
|
2008 |
12 | 23 | 27 | 62 |
|
2009 |
8 | 42 | 22 | 72 |
|
2010 |
7 | 85 | 23 | 115 |
|
2011 |
11 | 110 | 21 | 142 |
|
2012 |
18 | 84 | 26 | 128 |
|
2013 |
32 | 59 | 28 | 119 |
|
2014 |
41 | 56 | 29 | 126 |
|
2015 |
25 | 42 | 19 | 86 |
|
2016 |
13 | 20 | 10 | 43 |
|
Source: “North America rig count” (Baker Hughes, 2017). |
||||