| 501 | RADIOHEAD 29 28 FEE | Eddy County, NM | Oil & Gas Property | May 2025 |
| 502 | RADIUS CC 6 7 FEDERAL COM | Eddy County, NM | Oil & Gas Property | May 2025 |
| 503 | RADKE | Hill County, TX | Gas Property | Apr 2025 |
| 504 | RADLIFF D | Martin County, TX | Oil & Gas Property | Apr 2025 |
| 505 | RADLOFF | Billings County, ND | Oil & Gas Property | Sep 2024 |
| 506 | RADNOR | Scott County, KS | Oil Property | Mar 2025 |
| 507 | RADOMSKY | Clearfield County, PA | Gas Property | Dec 2024 |
| 508 | RADY 12 | Weld County, CO | Oil & Gas Property | Mar 2015 |
| 509 | RAE GEORGE | Coleman County, TX | Oil & Gas Property | Mar 2025 |
| 510 | RAE GREEN | Ouachita Parish, LA | Gas Property | Nov 2024 |
| 511 | RAEL | Weld County, CO | Oil & Gas Property | May 2025 |
| 512 | RAEMAY-HINER ALLOCATION | La Salle County, TX | Oil & Gas Property | Apr 2025 |
| 513 | RAFAEL UNIT | Tarrant County, TX | Oil & Gas Property | Apr 2025 |
| 514 | RAFE | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 515 | RAFE 49 | Scurry County, TX | Oil & Gas Property | Apr 2025 |
| 516 | RAFERT 843 | Phillips County, CO | Gas Property | Sep 2023 |
| 517 | RAFFERTY | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 518 | RAFFERTY HEIRS | Clearfield County, PA | Gas Property | Dec 2024 |
| 519 | RAFFERTY, C. O | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 520 | RAFFERTY, VIRGINIA | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 521 | RAFFERTY, W.T | Calhoun County, WV | Oil & Gas Property | Dec 2021 |
| 522 | RAFT A UNIT | Atascosa County, TX | Oil & Gas Property | Apr 2025 |
| 523 | RAFT B UNIT | Atascosa County, TX | Oil & Gas Property | Apr 2025 |
| 524 | RAFTER B | Nolan County, TX | Oil & Gas Property | Apr 2025 |
| 525 | RAFTER J | Canadian County, OK | Oil & Gas Property | Apr 2025 |
| 526 | RAFTER J UNIT | Johnson County, TX | Oil & Gas Property | Apr 2025 |
| 527 | RAFTER T | McIntosh County, OK | Gas Property | Apr 2025 |
| 528 | RAFTER TWO | Live Oak County, TX | Oil & Gas Property | Apr 2025 |
| 529 | RAFTER TWO UNIT | Live Oak County, TX | Oil & Gas Property | Apr 2025 |
| 530 | RAFTER X 44-35H | Dunn County, ND | Oil & Gas Property | May 2025 |
| 531 | RAFTOPOULOS | Moffat County, CO | Oil & Gas Property | Dec 2018 |
| 532 | RAG 1 | Campbell County, WY | Gas Property | Jul 2005 |
| 533 | RAG 1 | Campbell County, WY | Gas Property | Jul 2005 |
| 534 | RAG 2 | Campbell County, WY | Gas Property | Oct 2006 |
| 535 | RAG 3 | Campbell County, WY | Gas Property | Oct 2006 |
| 536 | RAG APPLE LLC | Susquehanna County, PA | Gas Property | May 2025 |
| 537 | RAG CUMBERLAND RESOURCES | Greene County, PA | Gas Property | Dec 2020 |
| 538 | RAG FED | Campbell County, WY | Gas Property | Sep 2011 |
| 539 | RAG GRUENENFELDER | Campbell County, WY | Gas Property | Dec 2006 |
| 540 | RAG MAMA 30 19 FEE | Lea County, NM | Oil & Gas Property | May 2025 |
| 541 | RAG RUN | Ward County, TX | Oil & Gas Property | Apr 2025 |
| 542 | RAG-HARROD | Campbell County, WY | Gas Property | Aug 2003 |
| 543 | RAGAN | Noble County, OK | Oil & Gas Property | Dec 2014 |
| 544 | RAGAN 1 | Pittsburg County, OK | Gas Property | Mar 2015 |
| 545 | RAGAN 25 24 NC | Ellis County, OK | Oil & Gas Property | Apr 2025 |
| 546 | RAGAN 2820 | Woods County, OK | Oil & Gas Property | Apr 2025 |
| 547 | RAGAN N 14 | Weld County, CO | Oil & Gas Property | Nov 2019 |
| 548 | RAGER | Moore County, TX | Gas Property | Apr 2025 |
| 549 | RAGER 1H | Washington County, TX | Oil & Gas Property | Mar 2025 |
| 550 | RAGER JONES | Moore County, TX | Gas Property | Apr 2025 |
| 551 | RAGER, REGINA | Taylor County, WV | Gas Property | Dec 2021 |
| 552 | RAGER, RICHARD | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 553 | RAGGETT | Midland County, TX | Oil & Gas Property | Apr 2025 |
| 554 | RAGIN BULL 1716 | Pecos County, TX | Oil & Gas Property | Apr 2025 |
| 555 | RAGIN CAJUN 1 | Lea County, NM | Oil & Gas Property | May 2025 |
| 556 | RAGLAND | Seminole County, OK | Oil & Gas Property | Feb 2025 |
| 557 | RAGLAND | Martin County, TX | Oil & Gas Property | Jul 2024 |
| 558 | RAGLAND-ANDERSON 47 | Martin County, TX | Oil & Gas Property | Apr 2025 |
| 559 | RAGLAND-PARISH 10-14 | Van Buren County, AR | Gas Property | Jul 2024 |
| 560 | RAGLE | Parker County, TX | Oil & Gas Property | Sep 2024 |
| 561 | RAGLE | Palo Pinto County, TX | Oil & Gas Property | Apr 2025 |
| 562 | RAGLE W. J | Archer County, TX | Oil & Gas Property | Apr 2025 |
| 563 | RAGLIN | Stephens County, TX | Oil & Gas Property | Mar 2025 |
| 564 | RAGNAR FEDERAL COM | Lea County, NM | Oil & Gas Property | May 2025 |
| 565 | RAGS FED | Converse County, WY | Oil & Gas Property | May 2025 |
| 566 | RAGSDALE | Cooke County, TX | Oil & Gas Property | Apr 2025 |
| 567 | RAGSDALE | Jack County, TX | Oil & Gas Property | Mar 2025 |
| 568 | RAGSDALE | Grady County, OK | Oil & Gas Property | Apr 2025 |
| 569 | RAGSDALE | Carter County, OK | Oil Property | Apr 2025 |
| 570 | RAHENKAMP | Haskell County, KS | Gas Property | Mar 2025 |
| 571 | RAHM | Garfield County, OK | Oil & Gas Property | Nov 2024 |
| 572 | RAHN | Cowley County, KS | Oil Property | Feb 2025 |
| 573 | RAHN UNIT | Cowley County, KS | Oil Property | Feb 2015 |
| 574 | RAIDER | McKenzie County, ND | Oil & Gas Property | May 2025 |
| 575 | RAIDER (ALLOCATION) | Madison County, TX | Oil & Gas Property | Mar 2025 |
| 576 | RAIDER 9 STATE | Lea County, NM | Oil & Gas Property | May 2025 |
| 577 | RAIDER FED 3876-11-2-1FH | Converse County, WY | Oil & Gas Property | May 2025 |
| 578 | RAIDER FEDERAL | Lea County, NM | Oil & Gas Property | May 2025 |
| 579 | RAIDER GAS UNIT | Rusk County, TX | Oil & Gas Property | Apr 2025 |
| 580 | RAIDER POWER STATE | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 581 | RAIDERS | Ellis County, OK | Oil & Gas Property | May 2025 |
| 582 | RAIL SPLITTER | Reeves County, TX | Oil & Gas Property | Mar 2025 |
| 583 | RAILAY | Weld County, CO | Oil & Gas Property | Jan 2022 |
| 584 | RAILE | Cheyenne County, KS | Gas Property | Mar 2025 |
| 585 | RAILE | Cheyenne County, KS | Oil Property | Mar 2025 |
| 586 | RAILE | Cheyenne County, KS | Gas Property | Mar 2025 |
| 587 | RAILHEAD | Johnson County, TX | Oil & Gas Property | Apr 2025 |
| 588 | RAILHEAD | Tarrant County, TX | Oil & Gas Property | Apr 2025 |
| 589 | RAILHEAD SOUTH UNIT | Tarrant County, TX | Gas Property | Apr 2025 |
| 590 | RAILROAD | Kern County, CA | Oil Property | Aug 1994 |
| 591 | RAILROAD | Gove County, KS | Oil Property | Mar 2025 |
| 592 | RAILROAD 9 | Park County, WY | Oil & Gas Property | May 2025 |
| 593 | RAILSPLITTER 15 22 FEDERAL COM | Lea County, NM | Oil & Gas Property | May 2025 |
| 594 | RAILWAY RANCH | Upton County, TX | Oil & Gas Property | Apr 2025 |
| 595 | RAIMER, LEON 3 | Edmonson County, KY | Oil Property | Dec 2023 |
| 596 | RAIMEY | Archer County, TX | Oil & Gas Property | Apr 2025 |
| 597 | RAIMO | Bradford County, PA | Gas Property | May 2025 |
| 598 | RAIMO EAST UNIT | Bradford County, PA | Gas Property | May 2025 |
| 599 | RAIN | Sublette County, WY | Oil & Gas Property | May 2025 |
| 600 | RAIN | Sullivan County, PA | Gas Property | May 2025 |