| 6301 | RICHARD V. DAVIS D | Venango County, PA | Oil Property | Dec 2025 |
| 6302 | RICHARD W CHAMBERS | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 6303 | RICHARDSON | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 6304 | RICHARDSON | Mercer County, PA | Gas Property | Dec 2025 |
| 6305 | RICHEY | Armstrong County, PA | Gas Property | Dec 2025 |
| 6306 | RICHLAND SPORTSM | Butler County, PA | Gas Property | Dec 2025 |
| 6307 | RICKETTS | Clearfield County, PA | Gas Property | Dec 2025 |
| 6308 | RIDDLE | Crawford County, PA | Gas Property | Dec 2025 |
| 6309 | RIDENOUR | Sullivan County, PA | Gas Property | Apr 2026 |
| 6310 | RIDER | Fayette County, PA | Gas Property | Dec 2025 |
| 6311 | RIDGE ROAD | Greene County, PA | Gas Property | Apr 2026 |
| 6312 | RIDGEVIEW | Armstrong County, PA | Gas Property | Dec 2025 |
| 6313 | RIDGWAY LIGHT & HEAT | Elk County, PA | Gas Property | Dec 2025 |
| 6314 | RIDGWAY LIGHT & HEAT | Elk County, PA | Gas Property | Dec 2025 |
| 6315 | RIFFER | Armstrong County, PA | Gas Property | Dec 2025 |
| 6316 | RIGGS | Greene County, PA | Oil & Gas Property | Dec 2023 |
| 6317 | RIGHI | Armstrong County, PA | Gas Property | Dec 2025 |
| 6318 | RINGGOLD | Armstrong County, PA | Gas Property | Apr 2026 |
| 6319 | RINGGOLD | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 6320 | RINGGOLD CORP | Jefferson County, PA | Gas Property | Dec 2025 |
| 6321 | RINGGOLD MINES INC. UNIT NO. 1 | Armstrong County, PA | Gas Property | Dec 2025 |
| 6322 | RINGGOLD SPORTSMEN ASSOC | Jefferson County, PA | Gas Property | Dec 2025 |
| 6323 | RINKHOFF AGRIC ENTER | Greene County, PA | Gas Property | Dec 2012 |
| 6324 | RINKHOFF AGRICULTURAL ENTERPRISES LLC | Greene County, PA | Gas Property | Dec 2016 |
| 6325 | RIPPLE | Armstrong County, PA | Gas Property | Dec 2025 |
| 6326 | RISTAU | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 6327 | RITCHEY | Venango County, PA | Oil Property | Dec 1997 |
| 6328 | RITCHEY UNIT | Blair County, PA | Gas Property | Apr 2026 |
| 6329 | RITENOUR | Westmoreland County, PA | Gas Property | Apr 2026 |
| 6330 | RITTENHOUSE | Fayette County, PA | Gas Property | Dec 2025 |
| 6331 | RITTER UNIT | Fayette County, PA | Gas Property | Apr 2026 |
| 6332 | RITZ 03 073 0 | Bradford County, PA | Gas Property | Apr 2026 |
| 6333 | RIVER | Greene County, PA | Gas Property | Apr 2026 |
| 6334 | RIVER RIDGE | Venango County, PA | Oil Property | Dec 2025 |
| 6335 | RIVER RIDGE DEVELOPMENT INC | Venango County, PA | Oil Property | Dec 2025 |
| 6336 | RM & WB DUNN LEASE | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 6337 | ROARING RUN | Armstrong County, PA | Gas Property | Dec 2025 |
| 6338 | ROARING RUN UNIT | Lycoming County, PA | Gas Property | Apr 2026 |
| 6339 | ROBBINS | Clearfield County, PA | Gas Property | Dec 2025 |
| 6340 | ROBBINS BRA | Bradford County, PA | Gas Property | Apr 2026 |
| 6341 | ROBERT | Indiana County, PA | Gas Property | Dec 2025 |
| 6342 | ROBERT | Indiana County, PA | Gas Property | Dec 2025 |
| 6343 | ROBERT | Erie County, PA | Gas Property | Dec 2025 |
| 6344 | ROBERT | Indiana County, PA | Gas Property | Dec 2015 |
| 6345 | ROBERT | Indiana County, PA | Gas Property | Dec 2025 |
| 6346 | ROBERT | Armstrong County, PA | Gas Property | Dec 2025 |
| 6347 | ROBERT | Warren County, PA | Gas Property | Dec 2025 |
| 6348 | ROBERT | Erie County, PA | Oil & Gas Property | Dec 2025 |
| 6349 | ROBERT | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 6350 | ROBERT | Jefferson County, PA | Oil & Gas Property | Dec 2025 |
| 6351 | ROBERT | Jefferson County, PA | Gas Property | Dec 2025 |
| 6352 | ROBERT | Armstrong County, PA | Gas Property | Dec 2025 |
| 6353 | ROBERT | Jefferson County, PA | Gas Property | Dec 2025 |
| 6354 | ROBERT | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 6355 | ROBERT | Crawford County, PA | Oil & Gas Property | Dec 2025 |
| 6356 | ROBERT | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 6357 | ROBERT | Armstrong County, PA | Gas Property | Dec 2025 |
| 6358 | ROBERT & PAULETTE | Indiana County, PA | Gas Property | Dec 2025 |
| 6359 | ROBERT A HOY | Clarion County, PA | Gas Property | Dec 2025 |
| 6360 | ROBERT ALLISON L | Clarion County, PA | Gas Property | Dec 2025 |
| 6361 | ROBERT BOLDIN | Indiana County, PA | Gas Property | Dec 2025 |
| 6362 | ROBERT BOWERSOX | Clarion County, PA | Gas Property | Dec 2025 |
| 6363 | ROBERT BOYD SPENCE | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 6364 | ROBERT BURN | Clarion County, PA | Gas Property | Apr 2026 |
| 6365 | ROBERT BURNS | Clarion County, PA | Gas Property | Dec 2025 |
| 6366 | ROBERT BUSH | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 6367 | ROBERT BUTERBAUGH | Indiana County, PA | Gas Property | Dec 2025 |
| 6368 | ROBERT C ALLISON | Clarion County, PA | Gas Property | Dec 2025 |
| 6369 | ROBERT C LEVIN ET UX | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 6370 | ROBERT C ULMER A | Lycoming County, PA | Gas Property | Apr 2026 |
| 6371 | ROBERT C. CRISSMAN | Armstrong County, PA | Gas Property | Dec 2025 |
| 6372 | ROBERT C. HILLEN ETUX | Fayette County, PA | Gas Property | Dec 2025 |
| 6373 | ROBERT COLEMAN | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 6374 | ROBERT D | Indiana County, PA | Gas Property | Dec 2025 |
| 6375 | ROBERT D | Crawford County, PA | Gas Property | Dec 2025 |
| 6376 | ROBERT E PATRICK | Armstrong County, PA | Gas Property | Dec 2025 |
| 6377 | ROBERT E WISSINGER | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 6378 | ROBERT GRAHAM | Westmoreland County, PA | Gas Property | Dec 2025 |
| 6379 | ROBERT H NEHRIG | Indiana County, PA | Gas Property | Dec 2025 |
| 6380 | ROBERT HAMI | Jefferson County, PA | Gas Property | Dec 2025 |
| 6381 | ROBERT HITCHCOCK | Crawford County, PA | Gas Property | Dec 1990 |
| 6382 | ROBERT HOUSER | Armstrong County, PA | Gas Property | Dec 2025 |
| 6383 | ROBERT J CITERONI | Indiana County, PA | Gas Property | Dec 2025 |
| 6384 | ROBERT J FABIN | Indiana County, PA | Gas Property | Dec 2025 |
| 6385 | ROBERT J. DILTS FMLY ROY R | Indiana County, PA | Gas Property | Dec 2025 |
| 6386 | ROBERT KESTER | Clearfield County, PA | Gas Property | Dec 2025 |
| 6387 | ROBERT L. CALHOUN | Armstrong County, PA | Gas Property | Dec 2025 |
| 6388 | ROBERT M | Indiana County, PA | Gas Property | Dec 2025 |
| 6389 | ROBERT M LENHART | Westmoreland County, PA | Gas Property | Dec 2025 |
| 6390 | ROBERT MITCHELL 8 | Indiana County, PA | Gas Property | Dec 2025 |
| 6391 | ROBERT MURPHY | Westmoreland County, PA | Gas Property | Dec 2025 |
| 6392 | ROBERT N BROTHERS | Clearfield County, PA | Gas Property | Dec 2025 |
| 6393 | ROBERT OSGOOD | McKean County, PA | Gas Property | Dec 2025 |
| 6394 | ROBERT SAWYER | Clarion County, PA | Gas Property | Dec 2025 |
| 6395 | ROBERT SHORTS | Washington County, PA | Oil & Gas Property | Apr 2026 |
| 6396 | ROBERT SMITH | Washington County, PA | Gas Property | Apr 2026 |
| 6397 | ROBERT SPENCER | Clearfield County, PA | Oil & Gas Property | Dec 2025 |
| 6398 | ROBERT SPENCER | Erie County, PA | Gas Property | Dec 2018 |
| 6399 | ROBERT STRONG | Indiana County, PA | Gas Property | Dec 2025 |
| 6400 | ROBERT V MAINE | Jefferson County, PA | Gas Property | Dec 2025 |