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Westmoreland County, PA oil and gas wells
9,760 wells: 5,644 active, 1,029 plugged, 328 orphaned, run by 382 operators.
Figures from the Pennsylvania Department of Environmental Protection, updated 2026-10-19.
Top operators in Westmoreland
| Operator | Active | Wells here |
|---|---|---|
| DIVERSIFIED PROD LLC | 1,802 | 2,158 |
| MTN V OIL & GAS INC | 440 | 461 |
| KRIEBEL NATURAL GAS CO LLC | 439 | 443 |
| APOLLO RESOURCES LLC | 369 | 381 |
| EASTERN GAS TRANS & STORAGE INC | 342 | 441 |
| PENNECO OIL CO INC | 189 | 241 |
| CNX GAS CO LLC | 160 | 309 |
| EQT PROD CO | 122 | 152 |
| DAKOTA OIL & GAS CO | 108 | 122 |
| K PETROLEUM INC | 83 | 83 |
| EQT CHAP LLC | 81 | 122 |
| MURPHY PROD INC | 69 | 69 |
| D & B GAS PROD LLC | 67 | 67 |
| DANNIC ENERGY CORP | 63 | 78 |
| KRIEBEL ACQUISITION CO LLC | 61 | 66 |
| PETRO SVC PARTNERS INC | 61 | 61 |
| OIL & GAS MGMT INC | 60 | 66 |
| FAIRMAN CORP | 55 | 64 |
| XPR RESOURCES LLC | 53 | 137 |
| PENN VIEW EXPLORATION INC | 50 | 51 |
| VEC ENERGY LLC | 44 | 44 |
| US ENERGY EXPLORATION CORP | 40 | 67 |
| MICHAEL HARJU | 33 | 35 |
| DEVELOPED RESOURCES INC | 30 | 41 |
| VERNARD L SHUMAKER | 29 | 56 |
Wells
Not plugged · All wells · Plugged · Orphaned