| 501 | SNYDER | Lea County, NM | Oil & Gas Property | Oct 2008 |
| 502 | SNYDER GAS COM | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 503 | SOAPBERRY DRAW 7 STATE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 504 | SOBER BEZ FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2022 |
| 505 | SOFTAIL | Eddy County, NM | Oil & Gas Property | Jul 2021 |
| 506 | SOLOMON FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 507 | SOLOMON STATE | Eddy County, NM | Oil & Gas Property | Oct 2019 |
| 508 | SOLT STATE | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 509 | SOLUTION FEDERAL COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 510 | SOMBRERO | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 511 | SOMBRERO 18 2BS FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 512 | SOMBRERO 18 3BS FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 513 | SOPAPILLA STATE | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 514 | SORENSON IB FEDERAL | Chaves County, NM | Oil & Gas Property | Mar 2026 |
| 515 | SORO CC 19 30 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 516 | SORO CC 19 30 FEDERAL COM 0 | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 517 | SORO CC 19 30 FEDERAL COM 074H | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 518 | SOSA FEDERAL | Eddy County, NM | Oil & Gas Property | Aug 2024 |
| 519 | SOTOL A FEDERAL | Eddy County, NM | Oil & Gas Property | Apr 2020 |
| 520 | SOTOL FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2022 |
| 521 | SOURIS 29 STATE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 522 | SOURSOP 5 STATE COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 523 | SOUTH ALKALI LK FEDERAL | Chaves County, NM | Oil & Gas Property | Apr 2026 |
| 524 | SOUTH AVALON A | Eddy County, NM | Oil & Gas Property | Mar 2026 |
| 525 | SOUTH BISTI | San Juan County, NM | Oil & Gas Property | Nov 2025 |
| 526 | SOUTH BISTI | San Juan County, NM | Oil & Gas Property | Mar 2020 |
| 527 | SOUTH BLANCO | Rio Arriba County, NM | Oil & Gas Property | Apr 2026 |
| 528 | SOUTH BOYD 27 | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 529 | SOUTH BOYD FEDERAL COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 530 | SOUTH CAPROCK QUEEN UNIT | Chaves County, NM | Oil & Gas Property | Dec 2025 |
| 531 | SOUTH CARLSBAD | Eddy County, NM | Oil & Gas Property | May 2026 |
| 532 | SOUTH CARSON FEDERAL 23 | San Juan County, NM | Oil & Gas Property | Feb 2026 |
| 533 | SOUTH CARTER SA UNIT | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 534 | SOUTH CORBIN FEDERAL | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 535 | SOUTH CULEBRA BLUFF | Eddy County, NM | Oil & Gas Property | Feb 2023 |
| 536 | SOUTH DALLAS | Chaves County, NM | Oil & Gas Property | Mar 2026 |
| 537 | SOUTH EUNICE | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 538 | SOUTH EUNICE SEVEN RIVERS QUEEN UNIT | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 539 | SOUTH FOUR LAKES UNIT | Lea County, NM | Oil & Gas Property | May 2026 |
| 540 | SOUTH FOUR MILE DRAW | Chaves County, NM | Gas Property | Apr 2026 |
| 541 | SOUTH HOBBS G/SA UNIT | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 542 | SOUTH HOSPAH UNIT | McKinley County, NM | Oil Property | Feb 2023 |
| 543 | SOUTH JUSTIS UNIT | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 544 | SOUTH LANGLIE JAL UNIT | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 545 | SOUTH LEONARD UNIT | Lea County, NM | Oil & Gas Property | Jun 2022 |
| 546 | SOUTH LOCO HILLS UNIT | Eddy County, NM | Oil Property | May 2022 |
| 547 | SOUTH LOVING 2 | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 548 | SOUTH LOVINGTON 25 | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 549 | SOUTH LUCKY LAKE QUEEN UNIT | Chaves County, NM | Oil & Gas Property | Jun 2019 |
| 550 | SOUTH LUSK | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 551 | SOUTH MATTIX | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 552 | SOUTH PEARL QUEEN UNIT | Lea County, NM | Oil Property | Aug 2010 |
| 553 | SOUTH RED LAKE | Eddy County, NM | Oil & Gas Property | Jun 2024 |
| 554 | SOUTH RIDGE 8030 2 11 STATE | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 555 | SOUTH SHOEBAR 1 | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 556 | SOUTH TAYLOR 13 FEDERAL | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 557 | SOUTH TOBAC STATE UNIT | Chaves County, NM | Oil & Gas Property | Mar 2026 |
| 558 | SOUTH VACUUM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 559 | SOUTHARD | Chaves County, NM | Oil & Gas Property | Jan 2022 |
| 560 | SOUTHEAST CHA CHA UNIT | San Juan County, NM | Oil & Gas Property | Feb 2026 |
| 561 | SOUTHEAST LEA UNIT | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 562 | SOUTHEAST LUSK | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 563 | SOUTHEAST MALJAMAR GB/SA UNIT | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 564 | SOUTHERN | Eddy County, NM | Oil & Gas Property | Oct 2024 |
| 565 | SOUTHERN CALIFORNIA | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 566 | SOUTHERN COMFORT | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 567 | SOUTHERN CROSS | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 568 | SOUTHERN HILLS 32 29 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 569 | SOUTHERN HILLS 32 29 FEDERAL COM 003H | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 570 | SOUTHERN MINERALS STATE | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 571 | SOUTHERN UNION | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 572 | SOUTHERN UNION 30 G STATE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 573 | SOUTHLAND | San Juan County, NM | Gas Property | May 2016 |
| 574 | SOUTHLAND ROYALTY A | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 575 | SOUTHLAND ROYALTY APM STATE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 576 | SOUTHWEST TT | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 577 | SPANDEX | San Juan County, NM | Gas Property | Apr 2026 |
| 578 | SPANISH BAY 18 19 FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 579 | SPARKPLUG 17 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 580 | SPARROW 2 | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 581 | SPARROW SP STATE | Chaves County, NM | Gas Property | Mar 2026 |
| 582 | SPEAK EASY FEDERAL | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 583 | SPEAR OA FEDERAL | Chaves County, NM | Oil & Gas Property | Mar 2026 |
| 584 | SPEEDWAGON 27 | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 585 | SPEEDY 16 STATE COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 586 | SPEIGHT | Lea County, NM | Oil & Gas Property | Nov 2025 |
| 587 | SPEYSIDE 18 FEDERAL | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 588 | SPICA 25 FEDERAL | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 589 | SPIKETAIL | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 590 | SPITFIRE | Eddy County, NM | Oil & Gas Property | Jun 2025 |
| 591 | SPOOL SU | Chaves County, NM | Oil & Gas Property | Mar 2026 |
| 592 | SPRING FEDERAL | Chaves County, NM | Oil & Gas Property | Apr 2026 |
| 593 | SPRINGER TK STATE | Chaves County, NM | Gas Property | Apr 2026 |
| 594 | SPRINGFIELD 29 STATE COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 595 | SPRINKLE FEDERAL | Lea County, NM | Oil & Gas Property | Mar 2007 |
| 596 | SPRUCE 10 STATE | Eddy County, NM | Oil & Gas Property | Jun 2021 |
| 597 | SPRUCE FEDERAL | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 598 | SPRUCE GOOSE FEDERAL | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 599 | SPRUCE GROVE FEDERAL COM | Chaves County, NM | Oil & Gas Property | Apr 2026 |
| 600 | SPUD 16 STATE | Eddy County, NM | Oil & Gas Property | Apr 2026 |