| 1301 | MANOR | Indiana County, PA | Gas Property | Dec 2024 |
| 1302 | MANOR DEVELOPMENT | Armstrong County, PA | Gas Property | Dec 2024 |
| 1303 | MANOR PARK EAST UNIT | Midland County, TX | Oil & Gas Property | Mar 2025 |
| 1304 | MANOR PARK WEST | Midland County, TX | Oil & Gas Property | Mar 2025 |
| 1305 | MANOR REAL EST | McKean County, PA | Gas Property | Dec 2024 |
| 1306 | MANOR REAL ESTATE | Indiana County, PA | Gas Property | Dec 2024 |
| 1307 | MANOR REAL ESTATE | Armstrong County, PA | Gas Property | Dec 2024 |
| 1308 | MANOS | Seminole County, OK | Oil & Gas Property | Jan 2025 |
| 1309 | MANROSS | Forest County, PA | Oil Property | Dec 2024 |
| 1310 | MANRY ELLIOTT | Chaves County, NM | Oil & Gas Property | Mar 2025 |
| 1311 | MANRY STATE | Webb County, TX | Oil & Gas Property | Mar 2025 |
| 1312 | MANSEL | Stafford County, KS | Oil Property | Jan 2025 |
| 1313 | MANSELL | Cotton County, OK | Oil Property | Feb 2024 |
| 1314 | MANSELL | Grady County, OK | Oil & Gas Property | Jun 2019 |
| 1315 | MANSFIELD | Oldham County, TX | Oil & Gas Property | Mar 2025 |
| 1316 | MANSFIELD | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 1317 | MANSFIELD | Sweetwater County, WY | Oil & Gas Property | Mar 2025 |
| 1318 | MANSFIELD | Beaver County, OK | Oil & Gas Property | Feb 2025 |
| 1319 | MANSFIELD | Chautauqua County, NY | Gas Property | Dec 2022 |
| 1320 | MANSFIELD | Canadian County, OK | Oil & Gas Property | Feb 2025 |
| 1321 | MANSFIELD | Tarrant County, TX | Gas Property | Mar 2025 |
| 1322 | MANSFIELD | Armstrong County, PA | Gas Property | Dec 2024 |
| 1323 | MANSFIELD | Jack County, TX | Oil & Gas Property | Mar 2025 |
| 1324 | MANSFIELD | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 1325 | MANSFIELD | Sebastian County, AR | Gas Property | Feb 2016 |
| 1326 | MANSFIELD 2 | Yuma County, CO | Gas Property | May 2019 |
| 1327 | MANSFIELD HARDWOOD L | De Soto Parish, LA | Gas Property | Dec 2024 |
| 1328 | MANSFIELD HARDWOOD L | De Soto Parish, LA | Oil & Gas Property | Dec 2024 |
| 1329 | MANSFIELD PARTNERS | Tarrant County, TX | Gas Property | Mar 2025 |
| 1330 | MANSFIELD SPORTS COMPLEX UNIT | Tarrant County, TX | Gas Property | Mar 2025 |
| 1331 | MANSINGER 1 | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 1332 | MANSKE | Jones County, TX | Oil & Gas Property | Mar 2025 |
| 1333 | MANSKE | Ellis County, OK | Oil & Gas Property | Feb 2025 |
| 1334 | MANSKER A | Bee County, TX | Oil & Gas Property | Mar 2025 |
| 1335 | MANSON | Allen County, KS | Oil Property | Jan 2025 |
| 1336 | MANSON | Montague County, TX | Oil & Gas Property | Mar 2025 |
| 1337 | MANSON | Custer County, OK | Oil & Gas Property | Mar 2025 |
| 1338 | MANSON, MARY LOU | Smith County, TX | Oil Property | Mar 2025 |
| 1339 | MANSON, SAND | Upshur County, WV | Gas Property | Dec 2021 |
| 1340 | MANSPERGER | Muskingum County, OH | Oil & Gas Property | Dec 2024 |
| 1341 | MANSUR | Mesa County, CO | Oil & Gas Property | Dec 2018 |
| 1342 | MANSUR | Jones County, TX | Oil Property | Mar 2025 |
| 1343 | MANSZ | Rice County, KS | Oil Property | Nov 2023 |
| 1344 | MANSZ ESTATE | Rice County, KS | Oil Property | Jun 2024 |
| 1345 | MANTA | Brazos County, TX | Oil & Gas Property | Feb 2025 |
| 1346 | MANTA RAY 1-12H | McKenzie County, ND | Oil & Gas Property | Apr 2025 |
| 1347 | MANTEL | Rice County, KS | Oil Property | Jan 2025 |
| 1348 | MANTEL | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 1349 | MANTEL J23 | Weld County, CO | Oil & Gas Property | Nov 2014 |
| 1350 | MANTEY | Edwards County, KS | Oil Property | Feb 2025 |
| 1351 | MANTICORE STATE 55-3-3 UNIT | Reeves County, TX | Oil & Gas Property | Mar 2025 |
| 1352 | MANTOOTH | Montgomery County, KS | Oil Property | Oct 1992 |
| 1353 | MANTOOTH | Chautauqua County, KS | Oil Property | May 1986 |
| 1354 | MANTOOTH | Garvin County, OK | Oil & Gas Property | Feb 2025 |
| 1355 | MANTOOTH | Franklin County, AR | Gas Property | Jun 2024 |
| 1356 | MANTOOTH | Franklin County, AR | Gas Property | Jun 2024 |
| 1357 | MANTZ | McKean County, PA | Gas Property | Dec 2024 |
| 1358 | MANTZ | Medina County, OH | Oil & Gas Property | Dec 2018 |
| 1359 | MANTZKE | Stevens County, KS | Gas Property | Feb 2025 |
| 1360 | MANUEL | Throckmorton County, TX | Oil & Gas Property | Mar 2025 |
| 1361 | MANUEL | Kingfisher County, OK | Oil & Gas Property | Feb 2025 |
| 1362 | MANUEL | Nowata County, OK | Gas Property | Oct 2020 |
| 1363 | MANUEL | Pontotoc County, OK | Oil Property | Feb 2024 |
| 1364 | MANUEL 1 | Hill County, MT | Gas Property | Mar 2011 |
| 1365 | MANUEL LABOR | Johnson County, TX | Gas Property | Mar 2025 |
| 1366 | MANUEL UNIT | Butler County, PA | Gas Property | Mar 2025 |
| 1367 | MANUFACTURERS GAS | Elk County, PA | Gas Property | Dec 2024 |
| 1368 | MANULIFE INS CO 3 | McKean County, PA | Gas Property | Dec 2024 |
| 1369 | MANUSH 1-12H | Roosevelt County, MT | Oil & Gas Property | Mar 2025 |
| 1370 | MANVILLE | Union County, AR | Oil & Gas Property | Apr 2022 |
| 1371 | MANVILLE | Grant Parish, LA | Oil & Gas Property | Jan 2025 |
| 1372 | MANVILLE | Noble County, OK | Oil & Gas Property | Dec 2021 |
| 1373 | MANVILLE | Union Parish, LA | Gas Property | Nov 2024 |
| 1374 | MANVILLE | Union Parish, LA | Gas Property | Jul 2024 |
| 1375 | MANVILLE 7 | Union Parish, LA | Gas Property | Nov 2024 |
| 1376 | MANVILLE FOREST PROD | Bossier Parish, LA | Oil & Gas Property | Dec 2024 |
| 1377 | MANVILLE JOHNS | Johnson County, TX | Gas Property | Jul 2019 |
| 1378 | MANWARREN | Greenwood County, KS | Oil & Gas Property | Feb 2024 |
| 1379 | MANX 148-93-31D-30H TF | Dunn County, ND | Oil & Gas Property | Apr 2025 |
| 1380 | MANY CANYONS | Rio Arriba County, NM | Oil & Gas Property | Mar 2025 |
| 1381 | MANY CANYONS 24 03 08 | Rio Arriba County, NM | Oil & Gas Property | Mar 2025 |
| 1382 | MANY CANYONS 30 04 | Rio Arriba County, NM | Gas Property | Mar 2025 |
| 1383 | MANY ROCKS GALLUP PROJECT | San Juan County, NM | Oil & Gas Property | May 1998 |
| 1384 | MANZANITA STATE | Lea County, NM | Oil & Gas Property | Apr 2025 |
| 1385 | MANZELMAN | Major County, OK | Oil & Gas Property | Aug 2013 |
| 1386 | MANZER A 4 | Susquehanna County, PA | Gas Property | Mar 2025 |
| 1387 | MANZIEL G | Wood County, TX | Oil & Gas Property | Mar 2025 |
| 1388 | MAP LLC 11 | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 1389 | MAPACHE | Mitchell County, TX | Oil & Gas Property | Mar 2025 |
| 1390 | MAPACHE GRANDE | Scurry County, TX | Oil & Gas Property | Mar 2025 |
| 1391 | MAPACHE GRANDE 14 | Scurry County, TX | Oil & Gas Property | Mar 2025 |
| 1392 | MAPACHE GRANDE 2 | Scurry County, TX | Oil & Gas Property | Mar 2025 |
| 1393 | MAPELLI | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 1394 | MAPES | Campbell County, WY | Oil Property | Apr 2025 |
| 1395 | MAPES-BEATTIE | Medina County, OH | Oil & Gas Property | Dec 2014 |
| 1396 | MAPHIES | Neosho County, KS | Oil Property | Jan 2002 |
| 1397 | MAPLE | Karnes County, TX | Oil & Gas Property | Mar 2025 |
| 1398 | MAPLE | Estill County, KY | Oil Property | Dec 2022 |
| 1399 | MAPLE | Kingman County, KS | Oil & Gas Property | Feb 2025 |
| 1400 | MAPLE | Campbell County, WY | Oil & Gas Property | Apr 2025 |