Issues in focus
| EUR (billion cubic feet per well) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Assessment Unit/State | Area (square miles) | Well spacing (wells per square mile) | Percent of area untested | Percent of area with potential | High | Mild | Low | Average | TRR (billion cubic feet) |
| Foldbelt | 19,063 | 4 | 100 | 5 | 0.5 | 0.18 | 0.03 | 0.21 | 757 |
| Maryland | 435 | 4 | 100 | 5 | 0.5 | 0.18 | 0.03 | 0.21 | 17 |
| Pennsylvania | 7,951 | 4 | 100 | 5 | 0.5 | 0.18 | 0.03 | 0.21 | 316 |
| Tennessee | 353 | 4 | 100 | 5 | 0.5 | 0.18 | 0.03 | 0.21 | 14 |
| Virginia | 7,492 | 4 | 100 | 5 | 0.5 | 0.18 | 0.03 | 0.21 | 298 |
| West Virginia | 2,833 | 4 | 100 | 5 | 0.5 | 0.18 | 0.03 | 0.21 | 113 |
| Interior | 45,161 | 4 | 99 | 37 | 6.33 | 1.41 | 0.06 | 1.95 | 137,677 |
| Maryland | 763 | 4 | 100 | 37 | 2.02 | 0.30 | 0.02 | 0.52 | 629 |
| New York | 10,381 | 4 | 100 | 37 | 7.80 | 1.79 | 0.07 | 2.43 | 40,124 |
| Ohio | 361 | 4 | 99 | 37 | 2.02 | 0.30 | 0.02 | 0.52 | 296 |
| Pennsylvania | 23,346 | 4 | 98 | 37 | 7.80 | 1.79 | 0.07 | 2.43 | 88,182 |
| Virginia | 321 | 4 | 100 | 37 | 2.02 | 0.30 | 0.02 | 0.52 | 264 |
| West Virginia | 9,989 | 4 | 99 | 37 | 2.02 | 0.30 | 0.02 | 0.52 | 8,182 |
| Western | 39,844 | 5 | 100 | 7 | 0.35 | 0.11 | 0.03 | 0.13 | 2,107 |
| Kentucky | 207 | 5 | 100 | 7 | 0.35 | 0.11 | 0.03 | 0.13 | 11 |
| New York | 7,985 | 5 | 100 | 7 | 0.35 | 0.11 | 0.03 | 0.13 | 424 |
| Ohio | 13,515 | 5 | 100 | 7 | 0.35 | 0.11 | 0.03 | 0.13 | 718 |
| Pennsylvania | 6,582 | 5 | 100 | 7 | 0.35 | 0.11 | 0.03 | 0.13 | 350 |
| Virginia | 653 | 5 | 100 | 7 | 0.35 | 0.11 | 0.03 | 0.13 | 35 |
| West Virginia | 10,901 | 5 | 98 | 7 | 0.35 | 0.11 | 0.03 | 0.13 | 569 |
| Total Marcellus | 104,067 | 5 | 99 | 18 | 5.05 | 1.13 | 0.05 | 1.56 | 140,541 |