| 201 | REESMAN | Armstrong County, PA | Gas Property | Dec 2024 |
| 202 | REEVE SUTTON | Bradford County, PA | Gas Property | May 2025 |
| 203 | REFINERS GAS CO | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 204 | REGINA YAN | Cambria County, PA | Gas Property | Dec 2024 |
| 205 | REGIS W OCHS | Jefferson County, PA | Gas Property | Dec 2024 |
| 206 | REHO | Westmoreland County, PA | Gas Property | Dec 2024 |
| 207 | REICHARD | Clarion County, PA | Gas Property | Dec 2024 |
| 208 | REID & HOWLEY HEIRS | Clarion County, PA | Gas Property | Dec 2023 |
| 209 | REID C & LULU E REITER | Clearfield County, PA | Gas Property | Dec 2024 |
| 210 | REID H | Clarion County, PA | Gas Property | Dec 2024 |
| 211 | REIGEL LOT 385 | McKean County, PA | Oil Property | Dec 1995 |
| 212 | REIGHARD | Clearfield County, PA | Gas Property | Dec 2024 |
| 213 | REILLY | Sullivan County, PA | Gas Property | May 2025 |
| 214 | REILLY J 00 | Susquehanna County, PA | Gas Property | May 2025 |
| 215 | REIMILLER UNIT REIMILLER | Wyoming County, PA | Gas Property | May 2025 |
| 216 | REIMOLD | Mercer County, PA | Gas Property | Dec 2024 |
| 217 | REINER | Jefferson County, PA | Gas Property | Dec 2024 |
| 218 | REINFRIED (02-113 | Tioga County, PA | Gas Property | May 2025 |
| 219 | REIST | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 220 | REJISS UNIT | Fayette County, PA | Gas Property | May 2025 |
| 221 | RELL CORP | Jefferson County, PA | Gas Property | Dec 2024 |
| 222 | RENDIN | Fayette County, PA | Oil & Gas Property | Dec 2024 |
| 223 | RENICK | Butler County, PA | Gas Property | May 2025 |
| 224 | RENN UNIT A | Lycoming County, PA | Gas Property | May 2025 |
| 225 | RENO | Venango County, PA | Oil Property | Dec 2006 |
| 226 | RENO | Butler County, PA | Gas Property | May 2025 |
| 227 | RENO UNIT 1H | Butler County, PA | Gas Property | May 2025 |
| 228 | RENOE | Centre County, PA | Gas Property | Dec 2024 |
| 229 | RENOSKY | Indiana County, PA | Gas Property | Dec 2024 |
| 230 | RENSHAW | Armstrong County, PA | Gas Property | May 2025 |
| 231 | RENSMA | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 232 | RENSMA | Crawford County, PA | Gas Property | Dec 2024 |
| 233 | RENSMA | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 234 | RENSMA | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 235 | RENSMA | Forest County, PA | Oil Property | Dec 2021 |
| 236 | RENSMA STEPHENS | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 237 | RENSMA STOUT RS | Venango County, PA | Oil Property | Dec 2013 |
| 238 | REPIK UNIT | Indiana County, PA | Gas Property | Dec 2024 |
| 239 | REPINE 07 022 0 | Susquehanna County, PA | Gas Property | May 2025 |
| 240 | RESOURCE RECOVERY | Centre County, PA | Gas Property | May 2025 |
| 241 | REUBEN BUGHMAN | Jefferson County, PA | Gas Property | Dec 2024 |
| 242 | REXFORD | Bradford County, PA | Gas Property | Mar 2022 |
| 243 | REXFORD L & DOROTHY C HUBER | Indiana County, PA | Gas Property | Dec 2004 |
| 244 | REYNEN J | Susquehanna County, PA | Gas Property | May 2025 |
| 245 | REYNLOW PARK | Jefferson County, PA | Gas Property | Dec 2024 |
| 246 | REYNOLDS | Lycoming County, PA | Gas Property | May 2025 |
| 247 | REYNOLDS R | Susquehanna County, PA | Gas Property | May 2025 |
| 248 | REYNOLDS RX | Potter County, PA | Oil & Gas Property | Dec 2024 |
| 249 | REYNOLDS UNIT | Wyoming County, PA | Gas Property | May 2025 |
| 250 | REYNOLDS UNIT REIMILLER 1 REYNOLDS 1H | Wyoming County, PA | Gas Property | May 2025 |
| 251 | RGB BRA | Bradford County, PA | Gas Property | May 2025 |
| 252 | RHEA-LAWER | Indiana County, PA | Gas Property | Dec 2024 |
| 253 | RHL22 | Greene County, PA | Gas Property | May 2025 |
| 254 | RHL23 | Greene County, PA | Oil & Gas Property | May 2025 |
| 255 | RHL4 | Greene County, PA | Oil & Gas Property | May 2025 |
| 256 | RHODA GRACE BEERCHECK | Jefferson County, PA | Oil & Gas Property | Dec 2024 |
| 257 | RHODES | Lycoming County, PA | Gas Property | May 2025 |
| 258 | RHONE GAMBLE | Lycoming County, PA | Gas Property | May 2025 |
| 259 | RHP-A | Clearfield County, PA | Gas Property | Apr 2025 |
| 260 | RHUEL STIFFLER | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 261 | RICCI | Susquehanna County, PA | Gas Property | May 2025 |
| 262 | RICE | Venango County, PA | Oil & Gas Property | Dec 2024 |
| 263 | RICE UNIT | Greene County, PA | Gas Property | May 2019 |
| 264 | RICH | Bradford County, PA | Gas Property | May 2025 |
| 265 | RICH FARMS | Fayette County, PA | Oil & Gas Property | May 2025 |
| 266 | RICH HILL COAL MINING CO | Westmoreland County, PA | Oil & Gas Property | Dec 2024 |
| 267 | RICHARD | Venango County, PA | Gas Property | Dec 2024 |
| 268 | RICHARD | Erie County, PA | Gas Property | Dec 2024 |
| 269 | RICHARD | Potter County, PA | Gas Property | Dec 2017 |
| 270 | RICHARD | Westmoreland County, PA | Gas Property | Dec 2024 |
| 271 | RICHARD A SHIDEMANTLE | Crawford County, PA | Oil & Gas Property | Dec 2024 |
| 272 | RICHARD APPLEBEE | Erie County, PA | Gas Property | Dec 2024 |
| 273 | RICHARD E HENTON | Crawford County, PA | Gas Property | Dec 2024 |
| 274 | RICHARD HUESSENER | Westmoreland County, PA | Oil & Gas Property | Dec 2024 |
| 275 | RICHARD J CERAR | Greene County, PA | Gas Property | Dec 2022 |
| 276 | RICHARD L B | Indiana County, PA | Gas Property | Dec 2024 |
| 277 | RICHARD L STEWART | Clarion County, PA | Gas Property | Dec 2024 |
| 278 | RICHARD M KOONTZ | Westmoreland County, PA | Gas Property | Dec 2024 |
| 279 | RICHARD N. LOMMOCK | Indiana County, PA | Gas Property | Dec 2024 |
| 280 | RICHARD NULPH | Indiana County, PA | Gas Property | Dec 2024 |
| 281 | RICHARD P RIN | Indiana County, PA | Gas Property | Dec 2024 |
| 282 | RICHARD R WALKER ET AL | Butler County, PA | Oil & Gas Property | Dec 2019 |
| 283 | RICHARD SUS | Susquehanna County, PA | Gas Property | May 2025 |
| 284 | RICHARD W CHAMBERS | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 285 | RICHARDSON | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 286 | RICHARDSON | Mercer County, PA | Gas Property | Dec 2024 |
| 287 | RICHEY | Armstrong County, PA | Gas Property | Dec 2024 |
| 288 | RICHLAND SPORTSM | Butler County, PA | Gas Property | Dec 2024 |
| 289 | RICKETTS | Clearfield County, PA | Gas Property | Dec 2024 |
| 290 | RIDDLE | Crawford County, PA | Gas Property | Dec 2024 |
| 291 | RIDENOUR | Sullivan County, PA | Gas Property | May 2025 |
| 292 | RIDER | Fayette County, PA | Gas Property | Dec 2024 |
| 293 | RIDGE ROAD | Greene County, PA | Gas Property | May 2025 |
| 294 | RIDGEVIEW | Armstrong County, PA | Gas Property | Dec 2024 |
| 295 | RIDGWAY LIGHT & HEAT | Elk County, PA | Gas Property | Dec 2024 |
| 296 | RIDGWAY LIGHT & HEAT | Elk County, PA | Gas Property | Dec 2024 |
| 297 | RIFFER | Armstrong County, PA | Gas Property | Dec 2024 |
| 298 | RIGGS | Greene County, PA | Oil & Gas Property | Dec 2023 |
| 299 | RIGHI | Armstrong County, PA | Gas Property | Dec 2024 |
| 300 | RINGGOLD | Armstrong County, PA | Gas Property | May 2025 |