| 1301 | MERCER | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1302 | MERCY FEDERAL 2759 44-11B | Roosevelt County, MT | Oil & Gas Property | Feb 2024 |
| 1303 | MERRILL | Richland County, MT | Oil & Gas Property | Mar 2024 |
| 1304 | MERRITT | Fallon County, MT | Oil & Gas Property | Feb 2024 |
| 1305 | MESA-FE | Rosebud County, MT | Oil & Gas Property | Sep 2017 |
| 1306 | METZGER | Hill County, MT | Gas Property | Feb 2024 |
| 1307 | MEULI | Pondera County, MT | Gas Property | Aug 2023 |
| 1308 | MICHAELS | Glacier County, MT | Gas Property | Jan 2024 |
| 1309 | MICHELS | Wibaux County, MT | Oil & Gas Property | Feb 2024 |
| 1310 | MIDLAND | Glacier County, MT | Gas Property | May 2023 |
| 1311 | MIDLAND | Toole County, MT | Oil Property | Dec 2023 |
| 1312 | MIDLAND REALTY | Toole County, MT | Gas Property | Jan 2024 |
| 1313 | MILES | Toole County, MT | Oil Property | Oct 2021 |
| 1314 | MILES | Liberty County, MT | Gas Property | Jan 2024 |
| 1315 | MILLER | Sheridan County, MT | Oil & Gas Property | May 2019 |
| 1316 | MILLER | Toole County, MT | Gas Property | Jan 2024 |
| 1317 | MILLER | Glacier County, MT | Oil Property | Dec 2023 |
| 1318 | MILLER | Stillwater County, MT | Gas Property | Apr 1992 |
| 1319 | MILLER | Richland County, MT | Oil & Gas Property | Mar 2015 |
| 1320 | MILLER GIRLS FEDERAL 2758 42-7H | Roosevelt County, MT | Oil & Gas Property | Feb 2024 |
| 1321 | MISKE 11-60 3C-3-1 | Wibaux County, MT | Oil & Gas Property | Mar 2024 |
| 1322 | MLFU | Phillips County, MT | Gas Property | Apr 2019 |
| 1323 | MOE 1 | Toole County, MT | Oil Property | Jul 2023 |
| 1324 | MOFFAT | Toole County, MT | Gas Property | Jan 2024 |
| 1325 | MOFFATT | Toole County, MT | Gas Property | Nov 2023 |
| 1326 | MONARCH | Fallon County, MT | Oil & Gas Property | Dec 2011 |
| 1327 | MONARCH | Fallon County, MT | Oil & Gas Property | Feb 2024 |
| 1328 | MONDAK WEST FED 1 | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1329 | MONDALIN | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1330 | MONSON | Toole County, MT | Oil & Gas Property | Jan 2024 |
| 1331 | MONTANA A | Pondera County, MT | Oil Property | Jan 2024 |
| 1332 | MONTANA F | Musselshell County, MT | Oil & Gas Property | Jan 2003 |
| 1333 | MOORE | Blaine County, MT | Gas Property | Feb 2024 |
| 1334 | MOORE | Blaine County, MT | Gas Property | Feb 2024 |
| 1335 | MOORE | Blaine County, MT | Gas Property | Feb 2024 |
| 1336 | MOORE 23-24 | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1337 | MOOSE FALLS 29-31H | Richland County, MT | Oil Property | Feb 2024 |
| 1338 | MORGAN 3 | Blaine County, MT | Gas Property | May 2017 |
| 1339 | MORKEN | Sheridan County, MT | Oil & Gas Property | Feb 2024 |
| 1340 | MORRIS | Musselshell County, MT | Oil Property | Aug 1993 |
| 1341 | MORRIS | Toole County, MT | Gas Property | Nov 2023 |
| 1342 | MORRIS | Teton County, MT | Oil Property | Feb 2024 |
| 1343 | MORSE | Hill County, MT | Gas Property | Feb 2024 |
| 1344 | MORSE | Hill County, MT | Gas Property | Feb 2024 |
| 1345 | MORTON | Toole County, MT | Oil & Gas Property | Oct 2023 |
| 1346 | MOSQUITO | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1347 | MOSSER | Yellowstone County, MT | Oil Property | Jan 2024 |
| 1348 | MOTT 1-16H | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1349 | MOULTON | Toole County, MT | Oil & Gas Property | Feb 2024 |
| 1350 | MPC/UNOCAL | Toole County, MT | Gas Property | Dec 2023 |
| 1351 | MRFU | Phillips County, MT | Gas Property | Apr 2019 |
| 1352 | MT INDUSTRIAL (1 | Carbon County, MT | Gas Property | Jul 2023 |
| 1353 | MT ROYALTY | Big Horn County, MT | Gas Property | Jun 2019 |
| 1354 | MT STATE D | Dawson County, MT | Oil & Gas Property | Feb 2024 |
| 1355 | MUELLER | Blaine County, MT | Gas Property | Feb 2024 |
| 1356 | MUELLER | Blaine County, MT | Gas Property | Jan 2024 |
| 1357 | MULDER 22-15 | Roosevelt County, MT | Oil & Gas Property | Jan 2024 |
| 1358 | MULHOLLAND FEDERAL 1-32H | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1359 | MULLIN | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1360 | MULLIN 21-24 | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1361 | MUNSON | Teton County, MT | Oil Property | Jun 2023 |
| 1362 | MUNTZING | Glacier County, MT | Oil & Gas Property | Feb 2024 |
| 1363 | MURDOCK | Phillips County, MT | Gas Property | Feb 2024 |
| 1364 | MURPHY | Bowman County, ND | Oil & Gas Property | Jan 2009 |
| 1365 | MURRILLS | Toole County, MT | Gas Property | Jan 2024 |
| 1366 | MWCBSU | Glacier County, MT | Oil Property | Dec 1994 |
| 1367 | MYERS | Musselshell County, MT | Oil Property | Dec 2018 |
| 1368 | MYSTERY CREEK | Fallon County, MT | Oil & Gas Property | Feb 2024 |
| 1369 | N E ST S U | Rosebud County, MT | Oil Property | Jan 2024 |
| 1370 | N. PINE UNIT | Prairie County, MT | Oil & Gas Property | Feb 2024 |
| 1371 | N.W. BATTLE | Blaine County, MT | Gas Property | Dec 2023 |
| 1372 | NADEAU | Toole County, MT | Gas Property | Feb 2018 |
| 1373 | NADEAU | Toole County, MT | Gas Property | Feb 2024 |
| 1374 | NADEAU | Glacier County, MT | Oil Property | Feb 2024 |
| 1375 | NANCY LEE 13X-13 | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1376 | NASON KINCHE | Rosebud County, MT | Oil Property | Jul 2023 |
| 1377 | NATASHA | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1378 | NATASHA VINNIE 2-2-HLID3 | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1379 | NATASHA-JOHN 36-3-HLID3 | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1380 | NATASHA-OBERGFELL 11-14H | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1381 | NCCBSU | Glacier County, MT | Oil Property | Dec 2023 |
| 1382 | NE CHERRY PATCH | Blaine County, MT | Gas Property | Jan 2020 |
| 1383 | NEB FEED | Musselshell County, MT | Oil & Gas Property | Jan 2024 |
| 1384 | NECBSU | Glacier County, MT | Oil & Gas Property | Dec 2023 |
| 1385 | NEISER CREEK 1 | Sheridan County, MT | Oil & Gas Property | Feb 2024 |
| 1386 | NELSON | Sheridan County, MT | Oil & Gas Property | Apr 2005 |
| 1387 | NELSON | Wibaux County, MT | Oil & Gas Property | Feb 2024 |
| 1388 | NEPSTAD ST | Toole County, MT | Oil & Gas Property | Jan 2024 |
| 1389 | NERAAL | Glacier County, MT | Oil Property | Feb 2024 |
| 1390 | NESBO | Toole County, MT | Gas Property | Dec 2023 |
| 1391 | NEUWERTH | Hill County, MT | Gas Property | Feb 2024 |
| 1392 | NEVINS | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1393 | NEVINS | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1394 | NEWELL | Glacier County, MT | Gas Property | Jan 2024 |
| 1395 | NEWROBE | Glacier County, MT | Gas Property | Feb 2024 |
| 1396 | NICHOLS | Fallon County, MT | Gas Property | Jan 2024 |
| 1397 | NICHOLS | Hill County, MT | Gas Property | Feb 2024 |
| 1398 | NICHOLSON 2 | Blaine County, MT | Gas Property | Jan 2024 |
| 1399 | NILES 1 | McKenzie County, ND | Oil & Gas Property | Feb 2024 |
| 1400 | NISSLEY FARM | Dawson County, MT | Oil & Gas Property | Mar 2024 |