| 501 | MACNEIL F | Adams County, MS | Oil Property | Oct 1991 |
| 502 | MACNEIL FAMILY | Adams County, MS | Oil Property | Dec 2025 |
| 503 | MACNEILL | Washington County, CO | Oil Property | Oct 2024 |
| 504 | MACOMBER-BROUSSARD | Wharton County, TX | Oil & Gas Property | Nov 2025 |
| 505 | MACON | Dickens County, TX | Oil Property | Nov 2025 |
| 506 | MACSY | Campbell County, WY | Gas Property | Jan 2008 |
| 507 | MACY | Red Willow County, NE | Oil Property | Dec 2024 |
| 508 | MACY | Garza County, TX | Oil & Gas Property | Nov 2025 |
| 509 | MACY | Logan County, OK | Oil & Gas Property | Nov 2025 |
| 510 | MACY LOTT SPRABERRY UNIT | Garza County, TX | Oil & Gas Property | Oct 2025 |
| 511 | MACY-LOTT | Garza County, TX | Oil & Gas Property | May 2018 |
| 512 | MAD ADDER 31 STATE COM | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 513 | MAD CITY 21 | Las Animas County, CO | Gas Property | Dec 2025 |
| 514 | MAD DOG 2020 | Washington County, PA | Gas Property | Dec 2025 |
| 515 | MAD DOG 26 | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 516 | MAD DOG 26 B3NC STATE COM | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 517 | MAD DOG 26 MD STATE COM 001H | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 518 | MAD DOG 31 30-14N-11W | Blaine County, OK | Oil & Gas Property | Nov 2025 |
| 519 | MAD DOG 35 B | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 520 | MAD DOG 35 CN STATE COM | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 521 | MAD DOG BRA | Bradford County, PA | Gas Property | Dec 2025 |
| 522 | MAD EYE | Uintah County, UT | Oil & Gas Property | Dec 2025 |
| 523 | MAD HATR | Scurry County, TX | Oil & Gas Property | Nov 2025 |
| 524 | MAD HATTER 1506 | Kingfisher County, OK | Oil & Gas Property | Nov 2025 |
| 525 | MAD HATTER 16-4H | Burke County, ND | Oil & Gas Property | Dec 2025 |
| 526 | MAD HATTER FE | Natrona County, WY | Oil Property | Nov 2025 |
| 527 | MAD J UNIT | Gonzales County, TX | Oil & Gas Property | Nov 2025 |
| 528 | MAD KING UNIT | Lavaca County, TX | Oil & Gas Property | Nov 2025 |
| 529 | MAD MAX 6 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 530 | MAD MAX CAMPGROUND | Caddo County, OK | Oil & Gas Property | Nov 2025 |
| 531 | MAD PLAY 5-8-10-7 | Canadian County, OK | Oil & Gas Property | Nov 2025 |
| 532 | MAD RIVER 13 STATE COM | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 533 | MAD SARA 1-33 | Caddo County, OK | Oil & Gas Property | Nov 2025 |
| 534 | MADADOR | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 535 | MADALYN C. HEILMAN | Armstrong County, PA | Gas Property | Dec 2025 |
| 536 | MADCAP 731-706 | Yoakum County, TX | Oil & Gas Property | Nov 2025 |
| 537 | MADDEN | Creek County, OK | Oil Property | Nov 2024 |
| 538 | MADDEN | Ellis County, KS | Oil Property | Jul 2025 |
| 539 | MADDEN | McClain County, OK | Oil & Gas Property | Jan 2024 |
| 540 | MADDEN | Red River Parish, LA | Gas Property | Dec 2024 |
| 541 | MADDEN | Pittsburg County, OK | Gas Property | Nov 2025 |
| 542 | MADDEN | Ellis County, KS | Oil Property | Sep 2025 |
| 543 | MADDEN | Trego County, KS | Oil Property | Sep 2025 |
| 544 | MADDEN | Perry County, OH | Oil & Gas Property | Dec 2016 |
| 545 | MADDEN | Muskingum County, OH | Oil Property | Dec 2009 |
| 546 | MADDEN | Ellis County, KS | Oil Property | Aug 2025 |
| 547 | MADDEN | Midland County, TX | Oil & Gas Property | Nov 2025 |
| 548 | MADDEN | Stevens County, KS | Gas Property | Sep 2025 |
| 549 | MADDEN | Knott County, KY | Oil & Gas Property | Dec 2023 |
| 550 | MADDEN | Ellis County, KS | Oil Property | Sep 2025 |
| 551 | MADDEN | Bradford County, PA | Gas Property | Oct 2024 |
| 552 | MADDEN | Ellis County, KS | Oil Property | Sep 2025 |
| 553 | MADDEN | Pittsburg County, OK | Gas Property | Nov 2025 |
| 554 | MADDEN | Brazos County, TX | Oil & Gas Property | Oct 2025 |
| 555 | MADDEN | Ellis County, KS | Oil Property | Sep 2025 |
| 556 | MADDEN | Ellis County, KS | Oil Property | Jun 2025 |
| 557 | MADDEN | Muskingum County, OH | Oil & Gas Property | Dec 2022 |
| 558 | MADDEN | Chase County, KS | Oil Property | Sep 2025 |
| 559 | MADDEN 26 | Grady County, OK | Oil & Gas Property | Nov 2025 |
| 560 | MADDEN DEEP UNIT | Fremont County, WY | Oil & Gas Property | Dec 2025 |
| 561 | MADDEN DEEP UNIT | Fremont County, WY | Oil & Gas Property | Dec 2025 |
| 562 | MADDEN, CARL | Knott County, KY | Gas Property | Dec 2021 |
| 563 | MADDIE | Williams County, ND | Oil & Gas Property | Dec 2025 |
| 564 | MADDIN | Knott County, KY | Oil & Gas Property | Dec 2023 |
| 565 | MADDIX | Cowley County, KS | Oil & Gas Property | Sep 2025 |
| 566 | MADDIX | Barber County, KS | Oil & Gas Property | Aug 2025 |
| 567 | MADDIX UNIT | Parker County, TX | Oil & Gas Property | Nov 2025 |
| 568 | MADDOX | Montague County, TX | Oil & Gas Property | Nov 2025 |
| 569 | MADDOX | San Juan County, NM | Oil & Gas Property | Dec 2025 |
| 570 | MADDOX | Hansford County, TX | Oil & Gas Property | Nov 2025 |
| 571 | MADDOX | Tarrant County, TX | Gas Property | Nov 2025 |
| 572 | MADDOX | Parker County, TX | Oil & Gas Property | Nov 2025 |
| 573 | MADDOX | Seward County, KS | Gas Property | Sep 2025 |
| 574 | MADDOX A FEDERAL | San Juan County, NM | Oil & Gas Property | Dec 2025 |
| 575 | MADDOX B FEDERAL | San Juan County, NM | Oil & Gas Property | Dec 2025 |
| 576 | MADDOX C WN FEDERAL | San Juan County, NM | Oil & Gas Property | Dec 2025 |
| 577 | MADDOX COM | San Juan County, NM | Oil & Gas Property | Dec 2025 |
| 578 | MADDOX D FEDERAL COM | San Juan County, NM | Oil & Gas Property | Dec 2025 |
| 579 | MADDOX ESTATE | Rusk County, TX | Oil & Gas Property | Nov 2025 |
| 580 | MADDOX FEDERAL | Lea County, NM | Oil & Gas Property | Jun 2022 |
| 581 | MADDOX GAS COM | San Juan County, NM | Oil & Gas Property | Dec 2025 |
| 582 | MADDOX WN FEDERAL | San Juan County, NM | Oil & Gas Property | Dec 2025 |
| 583 | MADDOX, W. D | Guadalupe County, TX | Oil & Gas Property | Nov 2019 |
| 584 | MADDOX-BADGER | Tarrant County, TX | Gas Property | Nov 2025 |
| 585 | MADDREN B FEDERAL | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 586 | MADDUX | Grady County, OK | Oil & Gas Property | Nov 2025 |
| 587 | MADDUX | Roger Mills County, OK | Oil & Gas Property | Nov 2025 |
| 588 | MADDUX | Woodward County, OK | Oil & Gas Property | Nov 2025 |
| 589 | MADDUX | Woodward County, OK | Oil & Gas Property | Nov 2025 |
| 590 | MADDUX | Blaine County, OK | Oil & Gas Property | Nov 2025 |
| 591 | MADDUX | Nowata County, OK | Oil & Gas Property | Oct 2000 |
| 592 | MADDUX | Kearny County, KS | Gas Property | Sep 2025 |
| 593 | MADDUX | Roger Mills County, OK | Oil & Gas Property | Nov 2025 |
| 594 | MADDUX | Woodward County, OK | Oil & Gas Property | Nov 2025 |
| 595 | MADDUX GAS UNIT | Kearny County, KS | Gas Property | Sep 2025 |
| 596 | MADDUX-44 | Palo Pinto County, TX | Oil & Gas Property | Nov 2025 |
| 597 | MADDY | Rooks County, KS | Oil Property | Sep 2025 |
| 598 | MADDY FEDERAL 24X-34 | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 599 | MADELEINE | Washakie County, WY | Oil Property | Jul 2025 |
| 600 | MADELEINE FAYE 133-137 | Martin County, TX | Oil & Gas Property | Nov 2025 |