| 1101 | CASTRO ET AL UNIT | Washington County, PA | Gas Property | Dec 2025 |
| 1102 | CASTROGIOVANNI A | Susquehanna County, PA | Gas Property | Dec 2025 |
| 1103 | CATALYST 5211 | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 1104 | CATHALEENE | Clearfield County, PA | Gas Property | Dec 2025 |
| 1105 | CATHCART NYAL M & LEWIS | Clearfield County, PA | Gas Property | Dec 2025 |
| 1106 | CATHERINE MOLNAR | Fayette County, PA | Gas Property | Dec 2020 |
| 1107 | CAYLOR | Jefferson County, PA | Gas Property | Dec 2025 |
| 1108 | CAYLOR | Jefferson County, PA | Gas Property | Dec 2025 |
| 1109 | CAYMAN | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 1110 | CBC-MCKENDRICK | Indiana County, PA | Gas Property | Dec 2025 |
| 1111 | CBC/RHODES | Indiana County, PA | Gas Property | Dec 2025 |
| 1112 | CD SNYDER | Jefferson County, PA | Gas Property | Dec 2023 |
| 1113 | CD84 2 JK | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 1114 | CDJ BRA | Bradford County, PA | Gas Property | Dec 2025 |
| 1115 | CEASE | Bradford County, PA | Gas Property | Dec 2025 |
| 1116 | CEASER UNIT | Butler County, PA | Oil & Gas Property | Dec 2025 |
| 1117 | CECIL ELLIS | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 1118 | CECILE C VAN CISE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 1119 | CEMETERY | Warren County, PA | Oil Property | Dec 2025 |
| 1120 | CENKNER | Westmoreland County, PA | Gas Property | Dec 2025 |
| 1121 | CENTER TOWNSHIP | Indiana County, PA | Gas Property | Dec 2025 |
| 1122 | CENTRAL PA LUMBER CO | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 1123 | CERCA | Bradford County, PA | Gas Property | Dec 2025 |
| 1124 | CERNUSKA | Greene County, PA | Gas Property | Dec 2025 |
| 1125 | CERULLO | Fayette County, PA | Gas Property | Dec 2025 |
| 1126 | CFR/USX | Fayette County, PA | Oil & Gas Property | Dec 2025 |
| 1127 | CHAAPEL HOLLOW UNIT | Lycoming County, PA | Gas Property | Dec 2025 |
| 1128 | CHAGRIN | Clearfield County, PA | Gas Property | Dec 2025 |
| 1129 | CHAGRIN | Clearfield County, PA | Oil & Gas Property | Dec 2025 |
| 1130 | CHAGRIN LAND | Clarion County, PA | Oil & Gas Property | Dec 2020 |
| 1131 | CHAIKCIC | Fayette County, PA | Gas Property | Dec 2025 |
| 1132 | CHALFANT | Washington County, PA | Gas Property | Dec 2025 |
| 1133 | CHAMBERLIN L | Jefferson County, PA | Gas Property | Dec 2008 |
| 1134 | CHAMBERLIN-MEYER | Bradford County, PA | Gas Property | Dec 2025 |
| 1135 | CHAMBERS | Washington County, PA | Gas Property | Dec 2025 |
| 1136 | CHAMBERS O | Susquehanna County, PA | Gas Property | Dec 2025 |
| 1137 | CHAMPDALE | Bradford County, PA | Gas Property | Dec 2025 |
| 1138 | CHAMPLIN | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 1139 | CHAMPLIN | Sullivan County, PA | Gas Property | Dec 2025 |
| 1140 | CHAMPLUVIER | Bradford County, PA | Gas Property | Dec 2025 |
| 1141 | CHANCELLOR 62 | Bradford County, PA | Gas Property | Dec 2025 |
| 1142 | CHAPMAN | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 1143 | CHAPMAN 237 | Tioga County, PA | Gas Property | Dec 2025 |
| 1144 | CHAPMAN BOHLIN A | Lycoming County, PA | Gas Property | Dec 2025 |
| 1145 | CHAPPEL FORK | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 1146 | CHAPPEL UNIT | Washington County, PA | Oil & Gas Property | Dec 2025 |
| 1147 | CHAPPELL | Tioga County, PA | Gas Property | May 2025 |
| 1148 | CHARLEROI MT | Elk County, PA | Oil & Gas Property | Dec 2023 |
| 1149 | CHARLEROI S | Washington County, PA | Gas Property | Dec 2025 |
| 1150 | CHARLES | Jefferson County, PA | Gas Property | Dec 2025 |
| 1151 | CHARLES | Westmoreland County, PA | Gas Property | Dec 2025 |
| 1152 | CHARLES | Armstrong County, PA | Gas Property | Dec 2025 |
| 1153 | CHARLES | Greene County, PA | Gas Property | Dec 2022 |
| 1154 | CHARLES | Armstrong County, PA | Gas Property | Dec 2025 |
| 1155 | CHARLES | Westmoreland County, PA | Gas Property | Dec 2025 |
| 1156 | CHARLES | Indiana County, PA | Gas Property | Dec 2025 |
| 1157 | CHARLES | Susquehanna County, PA | Gas Property | Dec 2025 |
| 1158 | CHARLES | Venango County, PA | Gas Property | Dec 2024 |
| 1159 | CHARLES | Crawford County, PA | Gas Property | Dec 2024 |
| 1160 | CHARLES | Greene County, PA | Oil & Gas Property | Dec 2025 |
| 1161 | CHARLES | Jefferson County, PA | Gas Property | Dec 2025 |
| 1162 | CHARLES | Indiana County, PA | Gas Property | Dec 2025 |
| 1163 | CHARLES | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 1164 | CHARLES | Armstrong County, PA | Gas Property | Dec 2025 |
| 1165 | CHARLES | Indiana County, PA | Gas Property | Dec 2025 |
| 1166 | CHARLES | Indiana County, PA | Gas Property | Dec 2025 |
| 1167 | CHARLES | Erie County, PA | Oil & Gas Property | Dec 2025 |
| 1168 | CHARLES | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 1169 | CHARLES & SAM BROTHERS | Clearfield County, PA | Gas Property | Dec 2025 |
| 1170 | CHARLES ADAMCHICK | Indiana County, PA | Gas Property | Dec 2024 |
| 1171 | CHARLES ALTEMUS | Indiana County, PA | Gas Property | Dec 2024 |
| 1172 | CHARLES BEHM | Greene County, PA | Gas Property | Nov 2019 |
| 1173 | CHARLES D MCCRACKEN | Clearfield County, PA | Gas Property | Dec 2025 |
| 1174 | CHARLES E RORABAUGH | Clearfield County, PA | Oil & Gas Property | Dec 2025 |
| 1175 | CHARLES ENTERLINE | Mercer County, PA | Oil & Gas Property | Dec 2024 |
| 1176 | CHARLES FISHER | Westmoreland County, PA | Gas Property | Dec 2025 |
| 1177 | CHARLES H MILLER | Indiana County, PA | Gas Property | Dec 2025 |
| 1178 | CHARLES L ECHNOZ ET UX | Armstrong County, PA | Gas Property | Dec 2025 |
| 1179 | CHARLES L MILLER ET AL | Clarion County, PA | Gas Property | Dec 2025 |
| 1180 | CHARLES M HILL ETUX | Indiana County, PA | Gas Property | Dec 2025 |
| 1181 | CHARLES M PENCE | Armstrong County, PA | Gas Property | Dec 2025 |
| 1182 | CHARLES MEIGHEN | Greene County, PA | Gas Property | Dec 2006 |
| 1183 | CHARLES N WITHEROW | Clearfield County, PA | Gas Property | Dec 2025 |
| 1184 | CHARLES O SWAS | Indiana County, PA | Gas Property | Dec 2025 |
| 1185 | CHARLES R BUTERBAUGH | Indiana County, PA | Gas Property | Dec 2025 |
| 1186 | CHARLES R COLEMAN | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 1187 | CHARLES ROBERT & IDA C BARR | Westmoreland County, PA | Gas Property | Dec 2024 |
| 1188 | CHARLES S B | Indiana County, PA | Gas Property | Dec 2025 |
| 1189 | CHARLES SONGER | Jefferson County, PA | Gas Property | Dec 2018 |
| 1190 | CHARLES W ANDERSON | Crawford County, PA | Gas Property | Dec 2024 |
| 1191 | CHARLES W F | Indiana County, PA | Gas Property | Dec 2025 |
| 1192 | CHARLIE & JOINT VENTURE 3 | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 1193 | CHARLOTTE MURRAY | Washington County, PA | Gas Property | Dec 2001 |
| 1194 | CHARLTON UNIT 7H | Armstrong County, PA | Gas Property | Dec 2025 |
| 1195 | CHASE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 1196 | CHASE | Clearfield County, PA | Gas Property | Dec 2025 |
| 1197 | CHASE | Clearfield County, PA | Gas Property | Dec 2025 |
| 1198 | CHASE UNIT | Washington County, PA | Gas Property | Dec 2025 |
| 1199 | CHAVONES | Westmoreland County, PA | Gas Property | Dec 2025 |
| 1200 | CHECHUCK GEORGE UNIT | Washington County, PA | Gas Property | Dec 2025 |