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McKean County, PA oil and gas wells
38,211 wells: 10,462 active, 19,911 plugged, 4,223 orphaned, run by 572 operators.
Figures from the Pennsylvania Department of Environmental Protection, updated 2026-10-19.
Top operators in McKean
| Operator | Active | Wells here |
|---|---|---|
| PENNHILLS RESOURCES LLC | 1,260 | 1,336 |
| BULL RUN RESOURCES LLC | 1,055 | 1,060 |
| MSL OIL & GAS CORP | 788 | 855 |
| MINARD RUN OIL CO | 565 | 2,637 |
| SNYDER BROS INC | 491 | 651 |
| FIRST AMER ENERGY INC | 480 | 482 |
| HOWARD DRILLING INC | 395 | 481 |
| CAMERON ENERGY CO | 306 | 337 |
| COPPERHEAD ENTERPRISES LLC | 265 | 265 |
| VANDERHOOF ENERGY PROD LLC | 232 | 237 |
| R & N RESOURCES LLC | 227 | 232 |
| SANDSTONE DEV LLC | 204 | 214 |
| ENVIRO DEV LLC | 191 | 191 |
| FARRINGTON & HEPLER GAS & OIL INC | 176 | 176 |
| CURTIS OIL INC | 150 | 187 |
| NATL FUEL GAS SUPPLY CORP | 141 | 397 |
| WILLARD M CLINE | 140 | 338 |
| DIVERSIFIED PROD LLC | 133 | 219 |
| CONSORTIUM ENERGY LLC | 133 | 139 |
| CATALYST ENERGY INC | 132 | 423 |
| WARNER OIL & GAS PROD INC | 129 | 292 |
| VEC ENERGY LLC | 124 | 125 |
| CAM RESOURCES LLC | 114 | 114 |
| PVE OIL CORP INC | 105 | 166 |
| BRADFORD PIPE & SUPPLY CO | 102 | 237 |
Wells
Not plugged · All wells · Plugged · Orphaned