| 301 | MALLETT | Hansford County, TX | Oil & Gas Property | Jun 2026 |
| 302 | MALLETT UNIT | Grimes County, TX | Oil & Gas Property | Jun 2026 |
| 303 | MALLICK UNIT | Tarrant County, TX | Oil & Gas Property | Jun 2026 |
| 304 | MALLISON | Crockett County, TX | Oil & Gas Property | Jun 2026 |
| 305 | MALLORY | Smith County, TX | Oil & Gas Property | Jun 2026 |
| 306 | MALLORY 1 | Parker County, TX | Oil & Gas Property | Jan 2026 |
| 307 | MALLORY M. JR | Henderson County, TX | Gas Property | Jun 2026 |
| 308 | MALLORY-SHERRILL | Cochran County, TX | Oil & Gas Property | Mar 2023 |
| 309 | MALLOY UNIT | Wood County, TX | Oil & Gas Property | Jun 2026 |
| 310 | MALONE | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 311 | MALONE | Bee County, TX | Oil & Gas Property | Apr 2025 |
| 312 | MALONE | Caldwell County, TX | Oil & Gas Property | Jun 2026 |
| 313 | MALONE | Bee County, TX | Oil & Gas Property | Jun 2026 |
| 314 | MALONE | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 315 | MALONE 1 | Val Verde County, TX | Oil & Gas Property | Jun 2026 |
| 316 | MALONE C | Reagan County, TX | Oil & Gas Property | Mar 2022 |
| 317 | MALONE CADDO CONGL | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 318 | MALONE CHESTER | Guadalupe County, TX | Oil & Gas Property | Jun 2026 |
| 319 | MALONE CYNTHIA | Reagan County, TX | Oil & Gas Property | Jun 2024 |
| 320 | MALONE CYNTHIA EST | Coke County, TX | Oil & Gas Property | Nov 2024 |
| 321 | MALONE SAMUEL | Denton County, TX | Oil & Gas Property | Jun 2026 |
| 322 | MALONE-TAYLOR | Wood County, TX | Oil & Gas Property | Jun 2026 |
| 323 | MALONEY | Cass County, TX | Oil & Gas Property | Jun 2026 |
| 324 | MALONEY GAS UNIT | Rusk County, TX | Oil & Gas Property | Jun 2026 |
| 325 | MALTSBERGER | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 326 | MALTSBERGER D ALLOCATION 74H | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 327 | MALTSBERGER HIXON ALLOCATION | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 328 | MALTSBERGER NORTHCUT UNIT | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 329 | MALTSBERGER UNIT | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 330 | MALTSBERGER-DB TRUST ALLO | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 331 | MALVELLA '11' | Hockley County, TX | Oil Property | May 2026 |
| 332 | MAMAW | Ochiltree County, TX | Oil & Gas Property | Oct 2016 |
| 333 | MAMBA | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 334 | MAMBA 6-35 UNIT 2 | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 335 | MAMEY | Terry County, TX | Oil & Gas Property | Jan 2021 |
| 336 | MAMIE | Lee County, TX | Oil & Gas Property | Jan 2006 |
| 337 | MAMIE WAKEFIELD | Leon County, TX | Oil & Gas Property | Jun 2026 |
| 338 | MAMMOTH | Brazos County, TX | Oil & Gas Property | May 2026 |
| 339 | MAMMOTH 54-1-18-19 | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 340 | MAMMOTH A | Lavaca County, TX | Oil & Gas Property | Jun 2026 |
| 341 | MAMMOTH CAVE 21-4 | Dawson County, TX | Oil & Gas Property | Jun 2026 |
| 342 | MAN O WAR 26 UNIT | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 343 | MAN O WAR 5-8 UNIT | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 344 | MAN O WAR UNIT | Lee County, TX | Oil & Gas Property | Jun 2026 |
| 345 | MANAGEMENT TRUST | Dawson County, TX | Oil & Gas Property | May 2026 |
| 346 | MANAHAN | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 347 | MANASSAS STATE 55-4-22-21 | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 348 | MANCHACA UNIT | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 349 | MANCK | Rusk County, TX | Oil & Gas Property | Jun 2026 |
| 350 | MANCUSO UNIT | Brazos County, TX | Oil & Gas Property | Jun 2026 |
| 351 | MANDALAY | Morris County, TX | Oil & Gas Property | Jun 2026 |
| 352 | MANDALEK | Lipscomb County, TX | Oil & Gas Property | Jun 2026 |
| 353 | MANDARINA 29-0-48-1 | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 354 | MANDI | Upton County, TX | Oil & Gas Property | Jan 2023 |
| 355 | MANDUJANO ALFON | Bexar County, TX | Oil & Gas Property | Jun 2026 |
| 356 | MANDY GU 1 | Cherokee County, TX | Oil & Gas Property | Dec 2023 |
| 357 | MANDY PEPPERIDGE 6-3 UNIT | Reeves County, TX | Oil & Gas Property | May 2026 |
| 358 | MANER | Sherman County, TX | Oil & Gas Property | Jun 2026 |
| 359 | MANESS G | Jefferson County, TX | Oil & Gas Property | Jun 2026 |
| 360 | MANFORD RANCH | Gonzales County, TX | Oil & Gas Property | Apr 2026 |
| 361 | MANGER UNIT 1H | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 362 | MANGHAM | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 363 | MANGHAM R.S | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 364 | MANGIONE 01 | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 365 | MANGIONE-RIDLEY-HANDY SA A | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 366 | MANGOLD | Archer County, TX | Oil & Gas Property | Jun 2026 |
| 367 | MANGOLD KMA WATERFLOOD UNIT | Wichita County, TX | Oil & Gas Property | Jun 2026 |
| 368 | MANGROVE | Gonzales County, TX | Oil & Gas Property | Jun 2026 |
| 369 | MANHATTAN 183 | Reeves County, TX | Oil & Gas Property | May 2026 |
| 370 | MANHATTAN STATE UNIT | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 371 | MANION-JAGGE | Bexar County, TX | Oil & Gas Property | May 2026 |
| 372 | MANIS 1H | Johnson County, TX | Oil & Gas Property | Feb 2026 |
| 373 | MANITOU 2 | Winkler County, TX | Oil & Gas Property | Jun 2026 |
| 374 | MANKA | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 375 | MANKINS | Archer County, TX | Oil & Gas Property | Apr 2026 |
| 376 | MANLEY | Young County, TX | Oil & Gas Property | Jun 2026 |
| 377 | MANLEY | Palo Pinto County, TX | Oil & Gas Property | Jun 2026 |
| 378 | MANLEY FAMILY PARTNERSHIP | Smith County, TX | Oil & Gas Property | Jun 2026 |
| 379 | MANLEY, CURTIS S | Jack County, TX | Oil & Gas Property | Jun 2010 |
| 380 | MANN | Wheeler County, TX | Oil & Gas Property | Jun 2026 |
| 381 | MANN | Edwards County, TX | Oil & Gas Property | Jun 2026 |
| 382 | MANN | Montague County, TX | Oil & Gas Property | May 2021 |
| 383 | MANN | Frio County, TX | Oil & Gas Property | Jul 2001 |
| 384 | MANN | Gaines County, TX | Oil & Gas Property | Jun 2026 |
| 385 | MANN | Fisher County, TX | Oil & Gas Property | Jun 2026 |
| 386 | MANN | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 387 | MANN | Crockett County, TX | Oil & Gas Property | Jun 2026 |
| 388 | MANN | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 389 | MANN | Upton County, TX | Oil & Gas Property | Jun 2026 |
| 390 | MANN | Frio County, TX | Oil & Gas Property | Apr 2026 |
| 391 | MANN 13-33 A UNIT | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 392 | MANN 20 | Pecos County, TX | Oil & Gas Property | Jun 2026 |
| 393 | MANN A. T | Crockett County, TX | Oil & Gas Property | Jun 2026 |
| 394 | MANN E. E. TRUST | Zapata County, TX | Gas Property | Jun 2026 |
| 395 | MANN S | Johnson County, TX | Gas Property | Feb 2021 |
| 396 | MANN TRUST - STATE | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 397 | MANN TRUST UNIT 1 | Tyler County, TX | Oil & Gas Property | Jun 2026 |
| 398 | MANN-LYNCH 2 | Pecos County, TX | Oil & Gas Property | Jun 2026 |
| 399 | MANN-SAN MIGUEL | Frio County, TX | Oil & Gas Property | Jun 2026 |
| 400 | MANN-SPEIGHT | Harrison County, TX | Oil & Gas Property | Jun 2026 |