| 101 | SAYERS | Clarion County, PA | Gas Property | Dec 2025 |
| 102 | SAYLOR UNIT | Somerset County, PA | Gas Property | Apr 2026 |
| 103 | SC ZERBY | Jefferson County, PA | Gas Property | Dec 2025 |
| 104 | SCAIFE | Allegheny County, PA | Gas Property | Dec 2025 |
| 105 | SCANLIN SUL 6H | Sullivan County, PA | Gas Property | Apr 2026 |
| 106 | SCANLON | Venango County, PA | Oil & Gas Property | Dec 2023 |
| 107 | SCARLET OAK | Susquehanna County, PA | Gas Property | Apr 2026 |
| 108 | SCHAEFFER | Armstrong County, PA | Gas Property | Dec 2025 |
| 109 | SCHAFFER | Clearfield County, PA | Gas Property | Dec 2025 |
| 110 | SCHAFFNER 1 | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 111 | SCHALL | Armstrong County, PA | Gas Property | Dec 2025 |
| 112 | SCHAMP | Greene County, PA | Gas Property | Dec 2025 |
| 113 | SCHANDELMEIER | Crawford County, PA | Oil & Gas Property | Dec 2025 |
| 114 | SCHEFFLER | Bradford County, PA | Gas Property | Apr 2026 |
| 115 | SCHENKEMEYER | Jefferson County, PA | Gas Property | Dec 2025 |
| 116 | SCHENLEY | Armstrong County, PA | Gas Property | Dec 2025 |
| 117 | SCHERCENGOST-TRACT | Armstrong County, PA | Gas Property | Dec 2025 |
| 118 | SCHERICH | Washington County, PA | Gas Property | Apr 2026 |
| 119 | SCHILDT 259 | Tioga County, PA | Gas Property | Apr 2026 |
| 120 | SCHILLER GERALD UNIT | Allegheny County, PA | Gas Property | Dec 2025 |
| 121 | SCHILLING SOUTH UNIT | Butler County, PA | Oil & Gas Property | Apr 2026 |
| 122 | SCHIMIZZI | Westmoreland County, PA | Gas Property | Dec 2025 |
| 123 | SCHIMIZZI S&M | Westmoreland County, PA | Gas Property | Dec 2025 |
| 124 | SCHLAPFER | Bradford County, PA | Gas Property | Mar 2026 |
| 125 | SCHMELZLE | Tioga County, PA | Gas Property | Apr 2026 |
| 126 | SCHMITT 07 043 0 | Susquehanna County, PA | Gas Property | Apr 2026 |
| 127 | SCHNEIDER MILLER 00 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 128 | SCHOFIELD | Warren County, PA | Gas Property | Dec 2025 |
| 129 | SCHOFIELD | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 130 | SCHOONOVER | Bradford County, PA | Gas Property | Apr 2026 |
| 131 | SCHRADER FARM | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 132 | SCHRADER S | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 133 | SCHRAEDER | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 134 | SCHRECENGOST | Clarion County, PA | Gas Property | Dec 2016 |
| 135 | SCHRECENGOST | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 136 | SCHRECENGOST | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 137 | SCHRECENGOST | Armstrong County, PA | Oil & Gas Property | Apr 2026 |
| 138 | SCHRECENGOST | Butler County, PA | Oil & Gas Property | Dec 2016 |
| 139 | SCHUCKER 03 006 | Bradford County, PA | Gas Property | Apr 2026 |
| 140 | SCHUCKERS | Jefferson County, PA | Gas Property | Dec 2025 |
| 141 | SCHULTZ | Armstrong County, PA | Gas Property | Dec 2025 |
| 142 | SCHULTZ BERNARD 11289 | Washington County, PA | Gas Property | Apr 2026 |
| 143 | SCHWAB BENEDICT | Warren County, PA | Gas Property | Dec 2025 |
| 144 | SCHWAB F& Y | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 145 | SCHWAB FISHER & YOUNG | Warren County, PA | Gas Property | Dec 2025 |
| 146 | SCHWAB-ERICKSON | Warren County, PA | Gas Property | Dec 2025 |
| 147 | SCHWANKE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 148 | SCHWERIN | Indiana County, PA | Gas Property | Dec 2025 |
| 149 | SCHWOTZER ARTHUR 12705 | Washington County, PA | Gas Property | Apr 2026 |
| 150 | SCOFIELD | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 151 | SCOTCH | Clarion County, PA | Gas Property | Apr 2026 |
| 152 | SCOTT | Armstrong County, PA | Gas Property | Dec 2025 |
| 153 | SCOTT | Susquehanna County, PA | Gas Property | Apr 2026 |
| 154 | SCOTT | Venango County, PA | Oil Property | Dec 2025 |
| 155 | SCOTT | Washington County, PA | Oil Property | Dec 2010 |
| 156 | SCOTT J PRESTON | Crawford County, PA | Gas Property | Dec 2025 |
| 157 | SCOTT REARICK | Armstrong County, PA | Gas Property | Dec 2025 |
| 158 | SCOTTS RUN 59 | Greene County, PA | Gas Property | Dec 2025 |
| 159 | SCRIVENER | Bradford County, PA | Gas Property | Apr 2026 |
| 160 | SCULPTOR | Butler County, PA | Gas Property | Apr 2026 |
| 161 | SE USCHAK 1-1 | Westmoreland County, PA | Gas Property | Apr 2026 |
| 162 | SEALAND | Mercer County, PA | Gas Property | Dec 2025 |
| 163 | SEAMANS | Susquehanna County, PA | Gas Property | Apr 2026 |
| 164 | SEATON | Venango County, PA | Oil Property | Dec 2025 |
| 165 | SECHRIST MARK UNIT | Lycoming County, PA | Gas Property | Apr 2026 |
| 166 | SECREST RICHARD UNIT | Westmoreland County, PA | Gas Property | Dec 2025 |
| 167 | SECRETARIAT | Greene County, PA | Gas Property | Apr 2026 |
| 168 | SECTION | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 169 | SECTION IV | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 170 | SECTION NO 3-HILLTOP NO 1 9 | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 171 | SEDAT | Allegheny County, PA | Oil & Gas Property | Dec 2025 |
| 172 | SEDWICK HEIGHTS | Armstrong County, PA | Gas Property | Dec 2025 |
| 173 | SEIBEL JOSEPH 11396 | Beaver County, PA | Gas Property | Apr 2026 |
| 174 | SEIDLE | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 175 | SEIGWORTH | Warren County, PA | Gas Property | Dec 2025 |
| 176 | SELENE | Westmoreland County, PA | Gas Property | Apr 2026 |
| 177 | SELINGER | Indiana County, PA | Gas Property | Dec 2025 |
| 178 | SELLMAN | Fayette County, PA | Oil & Gas Property | Dec 2025 |
| 179 | SENECA | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 180 | SENECA 52 | Warren County, PA | Gas Property | Dec 2016 |
| 181 | SENECA RESOURCES | Elk County, PA | Gas Property | Dec 2025 |
| 182 | SENECA RESOURCES | McKean County, PA | Gas Property | Dec 2025 |
| 183 | SENECA RESOURCES | Jefferson County, PA | Gas Property | Dec 2025 |
| 184 | SENECA RESOURCES VALENTINE | Elk County, PA | Gas Property | Apr 2026 |
| 185 | SENECA TIMBERLAND | Forest County, PA | Oil & Gas Property | Apr 2026 |
| 186 | SENN 05 253 0 | Bradford County, PA | Gas Property | Apr 2026 |
| 187 | SENSINGER BRA | Bradford County, PA | Gas Property | Apr 2026 |
| 188 | SERBIAN EASTERN ORTHODOX | Crawford County, PA | Oil & Gas Property | Dec 2025 |
| 189 | SERBIAN ORTHODOX CHARITY HOME | Crawford County, PA | Oil & Gas Property | Dec 2025 |
| 190 | SERIAL | Forest County, PA | Gas Property | Dec 2025 |
| 191 | SERIAL | Elk County, PA | Gas Property | Dec 2025 |
| 192 | SERIAL 1 | Erie County, PA | Gas Property | Dec 2025 |
| 193 | SERIAL 1 | Elk County, PA | Gas Property | Dec 2025 |
| 194 | SERIAL 1 | Forest County, PA | Gas Property | Dec 2025 |
| 195 | SERRO | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 196 | SEVEN SPRINGS COUNTRY CLUB 00 | Allegheny County, PA | Oil & Gas Property | Dec 2025 |
| 197 | SEVERCOOL B | Susquehanna County, PA | Gas Property | Apr 2026 |
| 198 | SEVERCOOL UNIT 1 | Wyoming County, PA | Gas Property | Apr 2026 |
| 199 | SEYMOUR | Bradford County, PA | Gas Property | Apr 2026 |
| 200 | SG THOMPSON | Forest County, PA | Oil & Gas Property | Dec 2018 |