| 1301 | COPELAND | Canadian County, OK | Oil & Gas Property | Nov 2025 |
| 1302 | COPELAND 34-3-10-6 | Grady County, OK | Oil & Gas Property | Nov 2025 |
| 1303 | COPENHAVER | Woods County, OK | Oil & Gas Property | Dec 2023 |
| 1304 | COPENHAVER | Okmulgee County, OK | Gas Property | Aug 1994 |
| 1305 | COPHER | Cotton County, OK | Oil Property | Jun 2025 |
| 1306 | COPP | Texas County, OK | Oil & Gas Property | Nov 2025 |
| 1307 | COPPEDGE | Creek County, OK | Oil Property | Oct 2025 |
| 1308 | COPPER 26/23 MD | Ellis County, OK | Oil & Gas Property | Nov 2025 |
| 1309 | COPPERHEAD | Kay County, OK | Oil & Gas Property | Nov 2025 |
| 1310 | COPPERHEAD 7-17N-10W | Blaine County, OK | Oil & Gas Property | Nov 2025 |
| 1311 | COPPERPLATE 1605 | Kingfisher County, OK | Oil & Gas Property | Nov 2025 |
| 1312 | COPPINGER | Oklahoma County, OK | Oil Property | Nov 2025 |
| 1313 | COPPLE G | Texas County, OK | Oil & Gas Property | Sep 2024 |
| 1314 | COPPOCK | Major County, OK | Oil & Gas Property | Nov 2025 |
| 1315 | COPPOCK | Beaver County, OK | Oil & Gas Property | Nov 2025 |
| 1316 | COPPOCK #36 | Alfalfa County, OK | Oil & Gas Property | Nov 2025 |
| 1317 | CORA | Grady County, OK | Oil & Gas Property | Nov 2025 |
| 1318 | CORA CASE | Major County, OK | Oil & Gas Property | Sep 2014 |
| 1319 | CORA KATHERINE | Stephens County, OK | Oil & Gas Property | Nov 2025 |
| 1320 | CORA MAE 0506 | Grady County, OK | Oil & Gas Property | Nov 2025 |
| 1321 | CORA MARTIN | Alfalfa County, OK | Oil & Gas Property | Dec 2025 |
| 1322 | CORBETT | Noble County, OK | Oil Property | Oct 2007 |
| 1323 | CORBETT | Oklahoma County, OK | Oil & Gas Property | Dec 2025 |
| 1324 | CORBIN | Creek County, OK | Oil Property | Dec 2023 |
| 1325 | CORBIN | Kingfisher County, OK | Oil & Gas Property | Nov 2025 |
| 1326 | CORBIN | Woods County, OK | Oil & Gas Property | Nov 2025 |
| 1327 | CORBIN-DILLARD | Stephens County, OK | Oil Property | Sep 2023 |
| 1328 | CORDES | Custer County, OK | Oil & Gas Property | Aug 2025 |
| 1329 | CORDES 1 | Alfalfa County, OK | Oil & Gas Property | Nov 2025 |
| 1330 | CORDES 2710 | Alfalfa County, OK | Oil & Gas Property | Nov 2025 |
| 1331 | CORDUM | Roger Mills County, OK | Oil & Gas Property | Nov 2025 |
| 1332 | COREY | Creek County, OK | Oil Property | Aug 2012 |
| 1333 | CORINTH 1-9H | Lincoln County, OK | Oil & Gas Property | Dec 2025 |
| 1334 | CORLESS | Ellis County, OK | Oil & Gas Property | Nov 2025 |
| 1335 | CORLEY | Grady County, OK | Oil & Gas Property | Nov 2025 |
| 1336 | CORMACK | Alfalfa County, OK | Oil & Gas Property | Nov 2025 |
| 1337 | CORMACK | Grant County, OK | Oil & Gas Property | Nov 2025 |
| 1338 | CORMACK & WILBER 21-27-10 | Alfalfa County, OK | Oil & Gas Property | Nov 2025 |
| 1339 | CORNEIL | Grant County, OK | Oil Property | Oct 2025 |
| 1340 | CORNELIUS | Creek County, OK | Oil Property | Nov 2025 |
| 1341 | CORNELL | Custer County, OK | Oil & Gas Property | Oct 2025 |
| 1342 | CORNELL | Kingfisher County, OK | Oil & Gas Property | Nov 2025 |
| 1343 | CORNELL UNIVERSITY | Garvin County, OK | Oil & Gas Property | Oct 2025 |
| 1344 | CORNELSEN | Major County, OK | Oil & Gas Property | Nov 2025 |
| 1345 | CORNELSEN | Major County, OK | Oil & Gas Property | Oct 2017 |
| 1346 | CORNELSEN 1 | Major County, OK | Oil & Gas Property | Nov 2025 |
| 1347 | CORNELSON | Major County, OK | Oil & Gas Property | Nov 2025 |
| 1348 | CORNER POCKET 1707 | Kingfisher County, OK | Oil & Gas Property | Nov 2025 |
| 1349 | CORNFORTH | Logan County, OK | Oil & Gas Property | May 2015 |
| 1350 | CORONA | Garvin County, OK | Oil & Gas Property | Nov 2025 |
| 1351 | CORONADO | Hughes County, OK | Gas Property | Nov 2025 |
| 1352 | CORONADO | Kingfisher County, OK | Oil & Gas Property | Nov 2025 |
| 1353 | CORONADO 18 | Wagoner County, OK | Gas Property | Jul 2017 |
| 1354 | CORRELL | Payne County, OK | Oil & Gas Property | Aug 1998 |
| 1355 | CORSAIR | Woods County, OK | Oil & Gas Property | Oct 2025 |
| 1356 | CORSE 11/14 | Ellis County, OK | Oil & Gas Property | Nov 2025 |
| 1357 | CORSE, LAURA | Ellis County, OK | Oil & Gas Property | Nov 2025 |
| 1358 | CORWIN | Major County, OK | Oil & Gas Property | Nov 2025 |
| 1359 | CORWIN 1-34H | Kingfisher County, OK | Oil & Gas Property | Nov 2025 |
| 1360 | COSBY | Grady County, OK | Oil & Gas Property | Nov 2025 |
| 1361 | COSDEN DERDEYN | Garvin County, OK | Oil Property | Jul 2025 |
| 1362 | COSGROVE | Coal County, OK | Gas Property | Nov 2025 |
| 1363 | COSMO 4-2 | Coal County, OK | Oil & Gas Property | Nov 2025 |
| 1364 | COSPER | Coal County, OK | Gas Property | Nov 2025 |
| 1365 | COSSEY | Caddo County, OK | Oil Property | Nov 2024 |
| 1366 | COSSEY #1-9 | Caddo County, OK | Oil & Gas Property | Nov 2025 |
| 1367 | COSTELLO | Carter County, OK | Oil Property | Oct 2025 |
| 1368 | COSTELLO 1H-30 | Hughes County, OK | Gas Property | Nov 2025 |
| 1369 | COSTELLO 2 | Coal County, OK | Gas Property | Dec 2025 |
| 1370 | COSTILOW | Latimer County, OK | Gas Property | Nov 2025 |
| 1371 | COTCHA | Seminole County, OK | Oil Property | Nov 2025 |
| 1372 | COTHAM | Payne County, OK | Oil & Gas Property | Dec 2025 |
| 1373 | COTHERN 1 | Logan County, OK | Oil & Gas Property | Sep 2025 |
| 1374 | COTINGA | Custer County, OK | Oil & Gas Property | Nov 2025 |
| 1375 | COTNER | Grady County, OK | Oil & Gas Property | Nov 2025 |
| 1376 | COTTER 2015 | Major County, OK | Oil & Gas Property | Nov 2025 |
| 1377 | COTTMAN | Kay County, OK | Oil & Gas Property | Apr 2019 |
| 1378 | COTTOM | Major County, OK | Oil & Gas Property | Nov 2025 |
| 1379 | COTTON | Roger Mills County, OK | Oil & Gas Property | Nov 2025 |
| 1380 | COTTON | Garvin County, OK | Oil & Gas Property | Nov 2025 |
| 1381 | COTTON | Creek County, OK | Oil & Gas Property | Dec 2025 |
| 1382 | COTTON | Okmulgee County, OK | Oil Property | Jun 2009 |
| 1383 | COTTONMOUTH 18-09-20 | Kingfisher County, OK | Oil & Gas Property | Nov 2025 |
| 1384 | COTTONTAIL | Garfield County, OK | Oil & Gas Property | Nov 2025 |
| 1385 | COTTONTAIL 31 30-17N-11W | Blaine County, OK | Oil & Gas Property | Dec 2025 |
| 1386 | COTTONWOOD | Stephens County, OK | Oil & Gas Property | Nov 2025 |
| 1387 | COTTONWOOD 1-12HB | Ellis County, OK | Oil & Gas Property | Nov 2025 |
| 1388 | COTTONWOOD 10-25-12 1H | Alfalfa County, OK | Oil & Gas Property | Nov 2025 |
| 1389 | COTTONWOOD 32-10-8 | Grady County, OK | Gas Property | Nov 2025 |
| 1390 | COTTONWOOD 34/10 AF | Ellis County, OK | Oil & Gas Property | Nov 2025 |
| 1391 | COTTONWOOD CREEK | Carter County, OK | Oil Property | Oct 2025 |
| 1392 | COTTONWOOD EAST 1-25-24XH | Stephens County, OK | Oil & Gas Property | Nov 2025 |
| 1393 | COTTRELL | Garvin County, OK | Oil & Gas Property | Jul 2022 |
| 1394 | COUCH | Haskell County, OK | Gas Property | Dec 2025 |
| 1395 | COUCH | Stephens County, OK | Gas Property | May 2018 |
| 1396 | COUCH 1H-19 | Atoka County, OK | Gas Property | Nov 2025 |
| 1397 | COUGAR | McClain County, OK | Oil & Gas Property | Nov 2025 |
| 1398 | COUGAR | Grady County, OK | Oil & Gas Property | Dec 2025 |
| 1399 | COUGAR 6-7 | Hughes County, OK | Oil & Gas Property | Nov 2025 |
| 1400 | COUGHLAN-W | Kingfisher County, OK | Oil & Gas Property | Jul 2017 |