| 401 | RABBIT ROAD | Grady County, OK | Oil & Gas Property | Apr 2026 |
| 402 | RABE | Grant County, KS | Gas Property | Mar 2026 |
| 403 | RABER | Holmes County, OH | Oil & Gas Property | Dec 2025 |
| 404 | RABER E LND GR | Guernsey County, OH | Oil & Gas Property | Mar 2026 |
| 405 | RABER UNIT | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 406 | RABER W LND GR | Guernsey County, OH | Oil & Gas Property | Mar 2026 |
| 407 | RABKE | Pittsburg County, OK | Gas Property | Apr 2026 |
| 408 | RABKE | McMullen County, TX | Oil Property | Mar 2026 |
| 409 | RABKE-MASPERO | McMullen County, TX | Oil Property | Mar 2026 |
| 410 | RABOLD | Mercer County, PA | Gas Property | Dec 2025 |
| 411 | RABON | Concho County, TX | Oil & Gas Property | Mar 2026 |
| 412 | RABON | Le Flore County, OK | Gas Property | Apr 2026 |
| 413 | RABOURN | Campbell County, WY | Oil & Gas Property | May 2026 |
| 414 | RABUN | Union Parish, LA | Gas Property | Nov 2024 |
| 415 | RACCOON | Garfield County, OK | Oil & Gas Property | Apr 2026 |
| 416 | RACCOON 150-94-04B-09H | McKenzie County, ND | Oil & Gas Property | May 2026 |
| 417 | RACCOON BEND | Austin County, TX | Oil & Gas Property | Apr 2026 |
| 418 | RACCOON BEND COCKFIELD | Austin County, TX | Oil & Gas Property | Apr 2026 |
| 419 | RACCOON BEND UWX | Austin County, TX | Oil & Gas Property | Apr 2026 |
| 420 | RACCOON CREEK | Atascosa County, TX | Oil & Gas Property | Mar 2026 |
| 421 | RACE TRACK | Le Flore County, OK | Gas Property | Jan 2009 |
| 422 | RACETRACK | Kern County, CA | Oil & Gas Property | Apr 2026 |
| 423 | RACETTE | Logan County, KS | Oil Property | Mar 2026 |
| 424 | RACETTE | Logan County, KS | Oil Property | Mar 2026 |
| 425 | RACHAEL-ROBINSON UNIT | Brazos County, TX | Oil & Gas Property | Mar 2026 |
| 426 | RACHAL | De Soto Parish, LA | Gas Property | Dec 2024 |
| 427 | RACHAL | Webb County, TX | Oil & Gas Property | Apr 2026 |
| 428 | RACHEAL | Upton County, TX | Oil & Gas Property | Apr 2026 |
| 429 | RACHEL | San Juan County, NM | Gas Property | Apr 2026 |
| 430 | RACHEL | Ness County, KS | Oil Property | Jan 2026 |
| 431 | RACHEL | Hughes County, OK | Gas Property | Dec 2025 |
| 432 | RACHEL | Lipscomb County, TX | Oil & Gas Property | Apr 2026 |
| 433 | RACHEL | Borden County, TX | Oil & Gas Property | Apr 2026 |
| 434 | RACHEL | Sherman County, TX | Gas Property | Apr 2026 |
| 435 | RACHEL | Wheeler County, TX | Oil & Gas Property | Apr 2026 |
| 436 | RACHEL E. COX UNIT | Grant County, KS | Gas Property | Mar 2026 |
| 437 | RACHEL WOLF 2 | McKenzie County, ND | Oil & Gas Property | May 2026 |
| 438 | RACHOW-LATUSZEK | Otsego County, MI | Oil & Gas Property | May 2026 |
| 439 | RACINE | Susquehanna County, PA | Gas Property | Apr 2026 |
| 440 | RACKERBY | Stephens County, OK | Oil Property | Jun 2017 |
| 441 | RACKLEY | Caddo County, OK | Oil & Gas Property | Apr 2026 |
| 442 | RACKLEY | Medina County, TX | Oil & Gas Property | Apr 2026 |
| 443 | RACKLEY C. B | Mitchell County, TX | Oil & Gas Property | Apr 2026 |
| 444 | RACOL | Hansford County, TX | Gas Property | Apr 2026 |
| 445 | RADABAUGH | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 446 | RADAKER | Clarion County, PA | Gas Property | Apr 2026 |
| 447 | RADALL BOND ET AL | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 448 | RADAR | Hood County, TX | Oil & Gas Property | Apr 2026 |
| 449 | RADAR | Winkler County, TX | Oil & Gas Property | Apr 2026 |
| 450 | RADCLIFF | Grant County, KS | Gas Property | Mar 2026 |
| 451 | RADCLIFF | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 452 | RADCLIFF | Beaver County, OK | Oil & Gas Property | Aug 2013 |
| 453 | RADCLIFF | Cowley County, KS | Oil Property | Mar 2026 |
| 454 | RADCLIFF | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 455 | RADCLIFF-SNYDER | Cowley County, KS | Oil Property | Jun 2025 |
| 456 | RADEKER, C. W. C.W. RADEKER | Roane County, WV | Oil & Gas Property | Nov 2020 |
| 457 | RADEMACHER | Weld County, CO | Oil & Gas Property | May 2026 |
| 458 | RADEMACHER A | Grant County, KS | Gas Property | Mar 2026 |
| 459 | RADENBERG | Barton County, KS | Oil Property | Mar 2026 |
| 460 | RADENBERG | Barton County, KS | Oil Property | Jul 1986 |
| 461 | RADENBERG | Barton County, KS | Oil Property | Feb 2026 |
| 462 | RADENIC 14-20H | Divide County, ND | Oil & Gas Property | May 2026 |
| 463 | RADER | Stafford County, KS | Oil Property | Mar 2026 |
| 464 | RADER | Williams County, ND | Oil & Gas Property | May 2026 |
| 465 | RADER | Franklin County, KS | Oil Property | Feb 2026 |
| 466 | RADER | Lipscomb County, TX | Oil & Gas Property | Jun 2024 |
| 467 | RADER | Franklin County, KS | Oil Property | Nov 2025 |
| 468 | RADER | Woods County, OK | Oil & Gas Property | May 2026 |
| 469 | RADER | Haskell County, OK | Gas Property | Apr 2026 |
| 470 | RADER | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 471 | RADER | Barton County, KS | Oil Property | Sep 1991 |
| 472 | RADER | Madison County, TX | Oil & Gas Property | Mar 2026 |
| 473 | RADER | Athens County, OH | Oil & Gas Property | Dec 2025 |
| 474 | RADER | Harper County, OK | Oil & Gas Property | Apr 2026 |
| 475 | RADER | Lipscomb County, TX | Oil & Gas Property | Apr 2026 |
| 476 | RADER CLEVELAND (SA) | Lipscomb County, TX | Oil & Gas Property | Apr 2026 |
| 477 | RADER CS | Campbell County, WY | Gas Property | Aug 2018 |
| 478 | RADER DODGE 3E MBH-ULW | McKenzie County, ND | Oil & Gas Property | May 2026 |
| 479 | RADER, HOWARD | Calhoun County, WV | Oil & Gas Property | Dec 2021 |
| 480 | RADER, JOHNN | Braxton County, WV | Oil & Gas Property | Dec 2021 |
| 481 | RADERMECHER | McKenzie County, ND | Oil & Gas Property | May 2026 |
| 482 | RADFORD | Pottawatomie County, OK | Oil Property | Apr 2026 |
| 483 | RADFORD | Cumberland County, KY | Oil Property | Oct 2023 |
| 484 | RADFORD GROCERY | Upton County, TX | Oil & Gas Property | Jan 2010 |
| 485 | RADFORD J. M | Eastland County, TX | Oil & Gas Property | Apr 2026 |
| 486 | RADFORD, ALLEN & | Cumberland County, KY | Oil Property | Jun 2022 |
| 487 | RADFORD, RAYMOND | Cumberland County, KY | Oil Property | Aug 2013 |
| 488 | RADIATOR SPRINGS 27 | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 489 | RADIO TOWER STATE 21601 28 | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 490 | RADIOHEAD | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 491 | RADIOHEAD 29 28 FEE | Eddy County, NM | Oil & Gas Property | May 2026 |
| 492 | RADIUS CC 6 7 FEDERAL COM | Eddy County, NM | Oil & Gas Property | May 2026 |
| 493 | RADKE | Hill County, TX | Gas Property | Apr 2026 |
| 494 | RADLIFF D | Martin County, TX | Oil & Gas Property | Oct 2025 |
| 495 | RADLOFF | Billings County, ND | Oil & Gas Property | Sep 2024 |
| 496 | RADNOR | Scott County, KS | Oil Property | Jan 2026 |
| 497 | RADOMSKY | Clearfield County, PA | Gas Property | Dec 2025 |
| 498 | RADY 12 | Weld County, CO | Oil & Gas Property | Mar 2015 |
| 499 | RAE GEORGE | Coleman County, TX | Oil & Gas Property | Apr 2026 |
| 500 | RAE GREEN | Ouachita Parish, LA | Gas Property | Nov 2024 |