| Property Name | Property Location | Property Type | Most Recent Production | |
|---|---|---|---|---|
| 301 | DOVERSPIKE EBERLE 00 | Armstrong County, PA | Gas Property | Dec 2025 |
| 302 | DPH NE 1H | Wyoming County, PA | Gas Property | Dec 2025 |
| 303 | DPH NW | Wyoming County, PA | Gas Property | Dec 2025 |
| 304 | DPH SE | Wyoming County, PA | Gas Property | Dec 2025 |
| 305 | DPH SW | Wyoming County, PA | Gas Property | Dec 2025 |
| 306 | DR C M SMITH | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 307 | DR02 WT5201 CP | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 308 | DRACO | Butler County, PA | Gas Property | Dec 2025 |
| 309 | DRAGON CHAN | Greene County, PA | Gas Property | Dec 2025 |
| 310 | DRAKE | Butler County, PA | Gas Property | Dec 2025 |
| 311 | DRAKE | Bradford County, PA | Gas Property | Dec 2025 |
| 312 | DRAKULIC | Allegheny County, PA | Gas Property | Dec 2025 |
| 313 | DRANN | Susquehanna County, PA | Gas Property | Dec 2025 |
| 314 | DRAPE JAMES 18118 | Allegheny County, PA | Gas Property | Nov 2025 |
| 315 | DRAYER | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 316 | DREHER A UNIT | Butler County, PA | Gas Property | Dec 2025 |
| 317 | DREHER B UNIT | Butler County, PA | Oil & Gas Property | Dec 2025 |
| 318 | DREW KIMMEL | Armstrong County, PA | Gas Property | Dec 2025 |
| 319 | DRIFT RIDGE | Greene County, PA | Gas Property | Dec 2025 |
| 320 | DRISCOLL | Bradford County, PA | Gas Property | Dec 2025 |
| 321 | DROP | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 322 | DROPP | Susquehanna County, PA | Gas Property | Dec 2025 |
| 323 | DRUGGAN | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 324 | DRUGMAND UNIT | Washington County, PA | Oil & Gas Property | Nov 2025 |
| 325 | DRUSHEL UNIT | Butler County, PA | Oil & Gas Property | Dec 2025 |
| 326 | DU3 6 1H | Jefferson County, PA | Gas Property | Dec 2025 |
| 327 | DUANE | Bradford County, PA | Gas Property | Dec 2025 |
| 328 | DUBOIS 3 | Clearfield County, PA | Oil & Gas Property | Dec 2025 |
| 329 | DUCHESS 00 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 330 | DUCK HOLLOW | Fayette County, PA | Gas Property | Dec 2024 |
| 331 | DUFF | Westmoreland County, PA | Gas Property | Dec 2025 |
| 332 | DUFFIELD | Bradford County, PA | Gas Property | Dec 2025 |
| 333 | DUFFY ESTATE D | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 334 | DUHRING | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 335 | DULCEY BRA | Bradford County, PA | Gas Property | Dec 2025 |
| 336 | DUNCAN FORK | Washington County, PA | Oil & Gas Property | Dec 2025 |
| 337 | DUNHAM | Bradford County, PA | Gas Property | Dec 2025 |
| 338 | DUNLAP | Indiana County, PA | Gas Property | Dec 2025 |
| 339 | DUNLAP-BARNETT UNIT | Clearfield County, PA | Gas Property | Dec 2025 |
| 340 | DUNMIRE UNIT | Butler County, PA | Gas Property | Dec 2025 |
| 341 | DUNN | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 342 | DUNN | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 343 | DUNN CLINGERMAN UNIT | Washington County, PA | Oil & Gas Property | Nov 2025 |
| 344 | DUNN JOHN UNIT | Washington County, PA | Oil & Gas Property | Nov 2025 |
| 345 | DUNNY | Wyoming County, PA | Gas Property | Dec 2025 |
| 346 | DUNSHIE D | Potter County, PA | Gas Property | Dec 2024 |
| 347 | DUQUESNE LIGHT CO | Allegheny County, PA | Oil & Gas Property | Dec 2025 |
| 348 | DURALIA 1 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 349 | DURBIN 00 | Clearfield County, PA | Gas Property | Dec 2025 |
| 350 | DURKACS UNIT | Washington County, PA | Oil & Gas Property | Nov 2025 |
| 351 | DURY | Washington County, PA | Gas Property | Dec 2025 |
| 352 | DUSENBURY-WHEELER & MERSEREAU | Potter County, PA | Oil & Gas Property | Dec 2024 |
| 353 | DUTTER | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 354 | DWAINE & PENNI GARANSI | Mercer County, PA | Oil & Gas Property | Dec 2024 |
| 355 | DWIGHT E BARKLEY | Indiana County, PA | Gas Property | Dec 2025 |
| 356 | DWIGHT MCKIN | Armstrong County, PA | Gas Property | Dec 2025 |
| 357 | DYDA UNIT | Mercer County, PA | Oil & Gas Property | Dec 2024 |
| 358 | DYGERT | Crawford County, PA | Oil & Gas Property | Dec 2025 |
| 359 | DYNAMITE | Armstrong County, PA | Gas Property | Dec 2025 |
| 360 | DYNYS | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 361 | DYSON W | Susquehanna County, PA | Gas Property | Dec 2025 |
| 362 | DZIUBA | Bradford County, PA | Gas Property | Dec 2025 |