| 1201 | CORMACK | Alfalfa County, OK | Oil & Gas Property | May 2026 |
| 1202 | CORMACK | Grant County, OK | Oil & Gas Property | May 2026 |
| 1203 | CORMACK & WILBER 21-27-10 | Alfalfa County, OK | Oil & Gas Property | May 2026 |
| 1204 | CORNEIL | Grant County, OK | Oil Property | May 2026 |
| 1205 | CORNELIUS | Creek County, OK | Oil Property | Apr 2026 |
| 1206 | CORNELL | Custer County, OK | Oil & Gas Property | Apr 2026 |
| 1207 | CORNELL | Kingfisher County, OK | Oil & Gas Property | May 2026 |
| 1208 | CORNELL UNIVERSITY | Garvin County, OK | Oil & Gas Property | Dec 2023 |
| 1209 | CORNELSEN | Major County, OK | Oil & Gas Property | Jun 2026 |
| 1210 | CORNELSEN | Major County, OK | Oil & Gas Property | Oct 2017 |
| 1211 | CORNELSON | Major County, OK | Oil & Gas Property | May 2026 |
| 1212 | CORNER POCKET 1707 | Kingfisher County, OK | Oil & Gas Property | May 2026 |
| 1213 | CORNFORTH | Logan County, OK | Oil & Gas Property | May 2015 |
| 1214 | CORONA | Garvin County, OK | Oil & Gas Property | May 2026 |
| 1215 | CORONADO | Hughes County, OK | Gas Property | May 2026 |
| 1216 | CORRELL | Payne County, OK | Oil & Gas Property | Aug 1998 |
| 1217 | CORSAIR | Woods County, OK | Oil & Gas Property | Mar 2026 |
| 1218 | CORSE 11/14 | Ellis County, OK | Oil & Gas Property | May 2026 |
| 1219 | CORSE, LAURA | Ellis County, OK | Oil & Gas Property | May 2026 |
| 1220 | CORWIN | Major County, OK | Oil & Gas Property | May 2026 |
| 1221 | CORY #1-30 | Beckham County, OK | Oil & Gas Property | Jun 2026 |
| 1222 | COSBY | Grady County, OK | Oil & Gas Property | May 2026 |
| 1223 | COSDEN DERDEYN | Garvin County, OK | Oil Property | Mar 2026 |
| 1224 | COSGROVE | Coal County, OK | Gas Property | May 2026 |
| 1225 | COSPER | Coal County, OK | Gas Property | May 2026 |
| 1226 | COSSEY | Caddo County, OK | Oil Property | May 2026 |
| 1227 | COSTELLO | Carter County, OK | Oil Property | Apr 2026 |
| 1228 | COSTELLO 2 | Coal County, OK | Gas Property | Jun 2026 |
| 1229 | COSTILOW | Latimer County, OK | Gas Property | May 2026 |
| 1230 | COTCHA | Seminole County, OK | Oil Property | May 2026 |
| 1231 | COTHAM | Payne County, OK | Oil & Gas Property | Apr 2026 |
| 1232 | COTHERN 1 | Logan County, OK | Oil & Gas Property | Dec 2025 |
| 1233 | COTHRAN | Muskogee County, OK | Gas Property | Feb 1995 |
| 1234 | COTINGA | Custer County, OK | Oil & Gas Property | May 2026 |
| 1235 | COTNER | Grady County, OK | Oil & Gas Property | May 2026 |
| 1236 | COTTER 2015 | Major County, OK | Oil & Gas Property | May 2026 |
| 1237 | COTTMAN | Kay County, OK | Oil & Gas Property | Mar 2019 |
| 1238 | COTTOM | Major County, OK | Oil & Gas Property | May 2026 |
| 1239 | COTTON | Roger Mills County, OK | Oil & Gas Property | May 2026 |
| 1240 | COTTON | Garvin County, OK | Oil & Gas Property | May 2026 |
| 1241 | COTTON | Creek County, OK | Oil & Gas Property | Jun 2026 |
| 1242 | COTTONTAIL | Garfield County, OK | Oil & Gas Property | May 2026 |
| 1243 | COTTONTAIL 31 30-17N-11W | Blaine County, OK | Oil & Gas Property | Jun 2026 |
| 1244 | COTTONWOOD | Stephens County, OK | Oil & Gas Property | May 2026 |
| 1245 | COTTONWOOD 32-10-8 | Grady County, OK | Gas Property | May 2026 |
| 1246 | COTTONWOOD 34/10 AF | Ellis County, OK | Oil & Gas Property | May 2026 |
| 1247 | COTTONWOOD CREEK | Carter County, OK | Oil Property | May 2026 |
| 1248 | COTTONWOOD EAST 1-25-24XH | Stephens County, OK | Oil & Gas Property | May 2026 |
| 1249 | COTTRELL | Garvin County, OK | Oil & Gas Property | Mar 2022 |
| 1250 | COUCH | Haskell County, OK | Gas Property | May 2026 |
| 1251 | COUCH | Stephens County, OK | Gas Property | May 2018 |
| 1252 | COUCH 1H-19 | Atoka County, OK | Gas Property | May 2026 |
| 1253 | COUGAR | McClain County, OK | Oil & Gas Property | May 2026 |
| 1254 | COUGAR | Grady County, OK | Oil & Gas Property | Mar 2026 |
| 1255 | COUGAR 6-7 | Hughes County, OK | Oil & Gas Property | May 2026 |
| 1256 | COUGHLAN-W | Kingfisher County, OK | Oil & Gas Property | Jul 2017 |
| 1257 | COULSON | Custer County, OK | Oil & Gas Property | May 2026 |
| 1258 | COULTER | Grant County, OK | Oil & Gas Property | Jun 2026 |
| 1259 | COULTER | Major County, OK | Oil & Gas Property | Jun 2026 |
| 1260 | COULTER | Grant County, OK | Oil & Gas Property | Jun 2026 |
| 1261 | COUNTY LINE | Pottawatomie County, OK | Oil & Gas Property | May 2026 |
| 1262 | COUNTY LINE | Creek County, OK | Oil & Gas Property | Dec 2019 |
| 1263 | COUNTY LINE | Grady County, OK | Oil & Gas Property | May 2026 |
| 1264 | COURBET | Carter County, OK | Oil & Gas Property | May 2026 |
| 1265 | COURSEY | Dewey County, OK | Oil & Gas Property | Jul 2015 |
| 1266 | COURT OF TWO SISTERS | Seminole County, OK | Oil & Gas Property | Aug 2024 |
| 1267 | COURTER | Garfield County, OK | Oil & Gas Property | Jun 2026 |
| 1268 | COURTNEY | Beaver County, OK | Oil & Gas Property | May 2026 |
| 1269 | COURTNEY | Caddo County, OK | Oil Property | Dec 2018 |
| 1270 | COURTNEY | Grady County, OK | Oil & Gas Property | May 2026 |
| 1271 | COURTNEY | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 1272 | COURTNEY | Seminole County, OK | Oil Property | May 2026 |
| 1273 | COURTNEY | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 1274 | COURTRIGHT | Garvin County, OK | Oil & Gas Property | May 2026 |
| 1275 | COURTS | Haskell County, OK | Gas Property | May 2026 |
| 1276 | COVALT | Woodward County, OK | Gas Property | Apr 2008 |
| 1277 | COVEL | Garvin County, OK | Oil & Gas Property | May 2026 |
| 1278 | COVER | Okmulgee County, OK | Oil Property | Mar 2026 |
| 1279 | COVEY | Lincoln County, OK | Oil & Gas Property | Jun 2026 |
| 1280 | COVINGTON | Stephens County, OK | Oil Property | Mar 2025 |
| 1281 | COW HILLS 20/29 AP | Custer County, OK | Oil & Gas Property | May 2026 |
| 1282 | COWABUNGA 1207 | Canadian County, OK | Oil & Gas Property | May 2026 |
| 1283 | COWAN | Beaver County, OK | Oil & Gas Property | Feb 2018 |
| 1284 | COWAN | Okmulgee County, OK | Oil Property | May 2026 |
| 1285 | COWAN | Blaine County, OK | Oil & Gas Property | May 2026 |
| 1286 | COWAN | Stephens County, OK | Oil Property | Jun 2026 |
| 1287 | COWAN | Tillman County, OK | Oil Property | Oct 2017 |
| 1288 | COWAN | Beaver County, OK | Gas Property | May 2026 |
| 1289 | COWAN | Carter County, OK | Oil & Gas Property | May 2026 |
| 1290 | COWAN 1 | Blaine County, OK | Oil & Gas Property | May 2026 |
| 1291 | COWAN TRUST 1 | Beaver County, OK | Oil & Gas Property | May 2024 |
| 1292 | COWART | Pontotoc County, OK | Oil Property | Oct 2025 |
| 1293 | COWBOY | Noble County, OK | Oil & Gas Property | Aug 2020 |
| 1294 | COWBOY | Canadian County, OK | Oil & Gas Property | May 2026 |
| 1295 | COWBOY | Grady County, OK | Oil & Gas Property | Jul 2023 |
| 1296 | COWBOY | Lincoln County, OK | Gas Property | May 2026 |
| 1297 | COWBOY | Logan County, OK | Oil & Gas Property | May 2026 |
| 1298 | COWBOYS | Ellis County, OK | Oil & Gas Property | May 2026 |
| 1299 | COWBOYS 0707 | Grady County, OK | Oil & Gas Property | May 2026 |
| 1300 | COWDEN | McIntosh County, OK | Oil & Gas Property | May 2026 |