| 301 | AAGARD | Summit County, UT | Oil & Gas Property | May 1998 |
| 302 | AAGARD | Greenwood County, KS | Oil Property | Jan 1996 |
| 303 | AAGE CHRISTIANSEN | Burke County, ND | Oil & Gas Property | Apr 2026 |
| 304 | AAGVIK | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 305 | AAKRE | Pondera County, MT | Oil Property | Apr 2026 |
| 306 | AAO FEDERAL | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 307 | AARDVARK | Hughes County, OK | Oil & Gas Property | Mar 2026 |
| 308 | AARDVARK | Woods County, OK | Oil & Gas Property | Mar 2026 |
| 309 | AARDVARK STATE 6 | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 310 | AARDWOLF 148-94-03A-10H | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 311 | AARHUS | Renville County, ND | Oil & Gas Property | Apr 2026 |
| 312 | AARON | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 313 | AARON | Milam County, TX | Oil & Gas Property | Mar 2026 |
| 314 | AARON B | Tarrant County, TX | Gas Property | Mar 2026 |
| 315 | AARON C LEAMER | Cambria County, PA | Gas Property | Dec 2025 |
| 316 | AARON JETER DEEP GAS UNIT | Panola County, TX | Gas Property | Mar 2026 |
| 317 | AARON, ARCHIE | Cumberland County, KY | Oil Property | Oct 2015 |
| 318 | AAS 27 | Cowley County, KS | Oil & Gas Property | Jan 2026 |
| 319 | AASEN | Bowman County, ND | Oil & Gas Property | Apr 2026 |
| 320 | AASHEIM | Sheridan County, MT | Oil & Gas Property | Dec 1989 |
| 321 | AAT-UP-VIC | Denton County, TX | Oil & Gas Property | Mar 2026 |
| 322 | AATIS LILLS | Armstrong County, PA | Gas Property | Dec 2025 |
| 323 | AB HUNTER | Jones County, TX | Oil Property | Mar 2026 |
| 324 | AB STATE 647 | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 325 | AB TRUST 28-27-12 1H | Alfalfa County, OK | Oil & Gas Property | Apr 2026 |
| 326 | ABACHERLI | San Bernardino County, CA | Oil & Gas Property | Mar 2026 |
| 327 | ABACO STATE DEEP UNIT | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 328 | ABACO STATE SHALLOW UNIT 13 | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 329 | ABARR-CHRISTIANSON | Washington County, CO | Gas Property | Apr 2026 |
| 330 | ABASIN | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 331 | ABBATH | Haskell County, OK | Gas Property | May 2010 |
| 332 | ABBE | Portage County, OH | Oil & Gas Property | Dec 2025 |
| 333 | ABBEY | Garfield County, OK | Oil & Gas Property | Mar 2026 |
| 334 | ABBEY | Greenwood County, KS | Oil Property | Jan 1990 |
| 335 | ABBEY | Chautauqua County, NY | Gas Property | Dec 2024 |
| 336 | ABBEY D | Weld County, CO | Oil & Gas Property | May 2022 |
| 337 | ABBEY FED 3671-33 | Converse County, WY | Oil & Gas Property | Mar 2026 |
| 338 | ABBIE J RAYBUCK | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 339 | ABBIE LAINE | Midland County, TX | Oil & Gas Property | Mar 2026 |
| 340 | ABBIE NORRIS | Montgomery County, KS | Oil Property | Oct 1996 |
| 341 | ABBOT UNIT | Wilson County, TX | Oil & Gas Property | Mar 2026 |
| 342 | ABBOTT | Burleson County, TX | Oil & Gas Property | Feb 2026 |
| 343 | ABBOTT | Hughes County, OK | Gas Property | Mar 2026 |
| 344 | ABBOTT | Russell County, KS | Oil Property | Feb 2026 |
| 345 | ABBOTT | Union County, AR | Oil Property | Nov 2000 |
| 346 | ABBOTT | Le Flore County, OK | Gas Property | Mar 2026 |
| 347 | ABBOTT | Gray County, TX | Gas Property | Mar 2026 |
| 348 | ABBOTT | Adams County, CO | Oil & Gas Property | Sep 2018 |
| 349 | ABBOTT | Christian County, KY | Oil Property | Jul 2015 |
| 350 | ABBOTT | Susquehanna County, PA | Gas Property | Mar 2026 |
| 351 | ABBOTT | Adams County, MS | Oil Property | Feb 1985 |
| 352 | ABBOTT | Major County, OK | Oil & Gas Property | Mar 2026 |
| 353 | ABBOTT | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 354 | ABBOTT | Adams County, CO | Oil & Gas Property | Sep 2021 |
| 355 | ABBOTT | Wayne County, OH | Oil & Gas Property | Dec 2025 |
| 356 | ABBOTT | Upshur County, TX | Oil & Gas Property | Mar 2026 |
| 357 | ABBOTT | Terry County, TX | Oil & Gas Property | Mar 2026 |
| 358 | ABBOTT | Union County, AR | Oil Property | Mar 2026 |
| 359 | ABBOTT 09-10 | Cleburne County, AR | Gas Property | Jul 2024 |
| 360 | ABBOTT FARM | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 361 | ABBOTT FEE | Duchesne County, UT | Oil & Gas Property | Apr 2026 |
| 362 | ABBOTT UT | Duchesne County, UT | Oil & Gas Property | Apr 2026 |
| 363 | ABBOTT, JAMES D. PHL5 | Barbour County, WV | Oil & Gas Property | Dec 2011 |
| 364 | ABBOTT-REYNOLDS | Eastland County, TX | Oil & Gas Property | Apr 2020 |
| 365 | ABBY | Archer County, TX | Oil Property | Mar 2026 |
| 366 | ABBY | Upton County, TX | Oil & Gas Property | Jun 2025 |
| 367 | ABBY | Alfalfa County, OK | Oil & Gas Property | Mar 2026 |
| 368 | ABBY 4 | Hughes County, OK | Gas Property | Mar 2026 |
| 369 | ABBY FEDERAL | Eddy County, NM | Oil & Gas Property | Apr 2018 |
| 370 | ABBY UNIT | Ector County, TX | Oil & Gas Property | Mar 2026 |
| 371 | ABC UNIT | Fremont County, WY | Oil & Gas Property | Mar 2026 |
| 372 | ABC UNIT | Sweetwater County, WY | Oil & Gas Property | Mar 2026 |
| 373 | ABE 30-31 | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 374 | ABE OWAN 21-16 1-H | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 375 | ABE STATE | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 376 | ABE TROYER | Guernsey County, OH | Oil & Gas Property | Mar 2026 |
| 377 | ABEL | Grady County, OK | Oil & Gas Property | Apr 2026 |
| 378 | ABEL | Leavenworth County, KS | Oil & Gas Property | Jan 2026 |
| 379 | ABEL | Liberty County, TX | Oil & Gas Property | Feb 2026 |
| 380 | ABEL | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 381 | ABEL | Washington County, OK | Oil & Gas Property | Jan 2021 |
| 382 | ABEL 1 | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 383 | ABEL 29 | Canadian County, OK | Oil & Gas Property | May 2019 |
| 384 | ABEL DIM | Dimmit County, TX | Oil & Gas Property | Mar 2026 |
| 385 | ABEL USA | Burke County, ND | Oil & Gas Property | Apr 2012 |
| 386 | ABEL, G | Arenac County, MI | Oil Property | Oct 2025 |
| 387 | ABEL-EARLY | Wise County, TX | Oil & Gas Property | Mar 2026 |
| 388 | ABELINO | Zapata County, TX | Oil & Gas Property | Mar 2026 |
| 389 | ABELL | Crane County, TX | Oil & Gas Property | Mar 2026 |
| 390 | ABELL | Ector County, TX | Oil & Gas Property | Mar 2026 |
| 391 | ABELL | Clark County, KS | Oil Property | Dec 2025 |
| 392 | ABELL | Henderson County, KY | Oil Property | Dec 2023 |
| 393 | ABELL | Pecos County, TX | Oil & Gas Property | Mar 2026 |
| 394 | ABELL | Pecos County, TX | Oil & Gas Property | Mar 2026 |
| 395 | ABELL | Hansford County, TX | Oil & Gas Property | Feb 2026 |
| 396 | ABELL | Henderson County, KY | Oil & Gas Property | Aug 2019 |
| 397 | ABELL | Toole County, MT | Oil Property | Apr 2026 |
| 398 | ABELL | Gove County, KS | Oil Property | Sep 2021 |
| 399 | ABELL /MCKEE/ UNIT | Pecos County, TX | Oil & Gas Property | Feb 2021 |
| 400 | ABELL 05 112 01 G 1H | Bradford County, PA | Gas Property | Mar 2026 |