| 301 | LINNEA | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 302 | LOGAN ROY 7-6-1H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 303 | LOKI 2658 12-25H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 304 | LONE TREE | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 305 | LONE TREE-MCMILLEN 12-15H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 306 | LONE-TREE | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 307 | LONE-TREE | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 308 | LONESTAR 12-13 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 309 | LORENZ 14X-16 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 310 | LUCILLE | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 311 | LYSEMOSE 33-34 1H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 312 | MABEL 1-14H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 313 | MALSAM | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 314 | MARGARET | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 315 | MARLA | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 316 | MARTIN 1-2 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 317 | MARVIN 14B-26 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 318 | MARVIN 2-11-14 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 319 | MATADOR | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 320 | MATADOR FEDERAL 2658 43-7H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 321 | MATTHEW 1-31H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 322 | MAYSON PHOENIX 17-20 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 323 | MCGINNIS | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 324 | MCHENRY | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 325 | MCVAY | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 326 | MELDAHL | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 327 | MELVIN | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 328 | MERCER | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 329 | MERRILL | Richland County, MT | Oil & Gas Property | Dec 2025 |
| 330 | MICHAEL 1-27H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 331 | MILLER | Richland County, MT | Oil & Gas Property | Mar 2015 |
| 332 | MONDAK WEST FED 1 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 333 | MONDALIN | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 334 | MOORE 23-24 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 335 | MOOSE FALLS 29-31H | Richland County, MT | Oil Property | Jan 2026 |
| 336 | MORASKO 41-25H 43 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 337 | MOSQUITO | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 338 | MOTT 1-16H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 339 | MULHOLLAND FEDERAL 1-32H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 340 | MULLIN | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 341 | MULLIN 21-24 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 342 | NANCY LEE 13X-13 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 343 | NATASHA | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 344 | NATASHA MCMILLEN | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 345 | NATASHA VINNIE 2-2-HLID3 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 346 | NATASHA-JOHN 36-3-HLID3 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 347 | NATE 6-7-18-19 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 348 | NEVINS | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 349 | NEVINS | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 350 | NOHLY | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 351 | NORBY | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 352 | NORGAARD 1 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 353 | OBERGFELL | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 354 | OLIVE-LESUEUR 27-4H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 355 | OLSON | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 356 | OSBORN 1-34H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 357 | OSCAR | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 358 | OTIS 2658 43-23H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 359 | P & Q FARMS | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 360 | PALMER 24-21 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 361 | PARSONS FEDERAL 1-6H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 362 | PATRICIA 41X-15 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 363 | PAXTON 12-1-36 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 364 | PEABODY | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 365 | PEABODY MIN | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 366 | PEABODY-BAHLS 2-16H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 367 | PEABODY-ODENBACH 2-14-H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 368 | PEABODY-STEVE 35-3-HLID3 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 369 | PEABODY-WILLIAMS 26-16H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 370 | PEANUT | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 371 | PEANUT EAST | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 372 | PEANUT-ANNIE 16-3-HLID3 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 373 | PEDERSON | Richland County, MT | Oil & Gas Property | Sep 2018 |
| 374 | PENELOPE | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 375 | PENELOPE-DIANE 30-16-H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 376 | PETERSEN 41X-28 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 377 | PETERSON | Richland County, MT | Oil & Gas Property | Jun 2022 |
| 378 | PIANO MAN 7-6-31 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 379 | PLEASANT VALLEY | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 380 | POPPY FEDERAL 2658 12-17H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 381 | PORKY STATE 16-14H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 382 | PORKY-ANTONE 9-14H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 383 | PORKY-CARDA 9-16H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 384 | PORKY-IRIGOIN 31-14H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 385 | PORKY-JAMES 16-16H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 386 | POTTS 1-11H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 387 | PREDATOR | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 388 | PREVOST | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 389 | PREVOST | Richland County, MT | Oil & Gas Property | Nov 2015 |
| 390 | PREVOST-MONDALIN HSU | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 391 | PREWITT 21-25 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 392 | PREWITT 41X-28 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 393 | PUTNAM | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 394 | PYTHON | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 395 | QUALLEY | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 396 | RALSTON | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 397 | RASMUSSEN | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 398 | RAU 1 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 399 | RAU 2 | Richland County, MT | Oil & Gas Property | Mar 1995 |
| 400 | RAU 41X-15 | Richland County, MT | Oil & Gas Property | Jan 2026 |