| 501 | KATHERINE 33-23 | Golden Valley County, ND | Oil & Gas Property | Apr 2026 |
| 502 | KATHERINE BROWN UNIT | Dimmit County, TX | Oil & Gas Property | Feb 2026 |
| 503 | KATHERINE DAWN 133-247 | Martin County, TX | Oil & Gas Property | Mar 2026 |
| 504 | KATHERINE MARIAH 26-35H | Mountrail County, ND | Oil & Gas Property | Apr 2026 |
| 505 | KATHERINE ME | Crook County, WY | Oil & Gas Property | Apr 2026 |
| 506 | KATHERINE SCHETTLER USA 34-22H | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 507 | KATHERINE SODMONT | Cambria County, PA | Gas Property | Dec 2025 |
| 508 | KATHERINE SUE | Stephens County, OK | Oil & Gas Property | Feb 2026 |
| 509 | KATHERYN | Hodgeman County, KS | Oil Property | Feb 2026 |
| 510 | KATHI | Dickens County, TX | Oil Property | Mar 2026 |
| 511 | KATHLEEN 1 | Sheridan County, KS | Oil Property | Jan 2026 |
| 512 | KATHLEEN ANDERSON | Pittsburg County, OK | Gas Property | Feb 2026 |
| 513 | KATHLEEN GU 1 | Nacogdoches County, TX | Oil & Gas Property | Feb 2026 |
| 514 | KATHLEEN STROH 1-20-17H-143-95 | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 515 | KATHLEEN-FLANAGAN 10 | Martin County, TX | Oil & Gas Property | Mar 2026 |
| 516 | KATHLYN HALL 18-19-162-99H 3DN | Divide County, ND | Oil & Gas Property | Apr 2026 |
| 517 | KATHRYN | Bradford County, PA | Gas Property | Mar 2026 |
| 518 | KATHRYN | Ness County, KS | Oil Property | Feb 2026 |
| 519 | KATHRYN | Reagan County, TX | Oil & Gas Property | Mar 2026 |
| 520 | KATHRYN | Grady County, OK | Oil & Gas Property | Feb 2026 |
| 521 | KATHRYN | Woodward County, OK | Oil & Gas Property | Feb 2026 |
| 522 | KATHRYN | Upton County, TX | Oil & Gas Property | Mar 2026 |
| 523 | KATHRYN -A | Sherman County, TX | Gas Property | Mar 2026 |
| 524 | KATHRYN B | Sherman County, TX | Oil & Gas Property | Mar 2026 |
| 525 | KATHRYN HOLLINGSWORTH II GU | Denton County, TX | Gas Property | Mar 2026 |
| 526 | KATHRYN IDA | Martin County, TX | Oil & Gas Property | Mar 2026 |
| 527 | KATHRYN KEATHLEY | Live Oak County, TX | Oil & Gas Property | Mar 2026 |
| 528 | KATHRYN KTLY ABC ULW A | Live Oak County, TX | Oil & Gas Property | Mar 2026 |
| 529 | KATHRYN KUKLA 14-34H | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 530 | KATHRYN MOWERY ETAL | Clearfield County, PA | Gas Property | Dec 2025 |
| 531 | KATHRYN PARRISH | Clearfield County, PA | Oil & Gas Property | Dec 2025 |
| 532 | KATHY | Ellis County, OK | Oil & Gas Property | Feb 2026 |
| 533 | KATHY | Austin County, TX | Oil & Gas Property | Mar 2026 |
| 534 | KATHY | Creek County, OK | Oil Property | Nov 2015 |
| 535 | KATHY | Beckham County, OK | Oil & Gas Property | Feb 2026 |
| 536 | KATHY | Carter County, OK | Oil & Gas Property | Mar 2026 |
| 537 | KATHY | Fayette County, TX | Oil & Gas Property | Mar 2026 |
| 538 | KATHY | Tulare County, CA | Oil & Gas Property | Dec 2026 |
| 539 | KATHY 31X-15 | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 540 | KATHY A 0304 | Garvin County, OK | Oil & Gas Property | Feb 2026 |
| 541 | KATHY BOYDSTUN 2-13A1 | Uintah County, UT | Oil & Gas Property | Mar 2026 |
| 542 | KATHY COLEMAN 14 23S 27E RB | Eddy County, NM | Oil & Gas Property | Mar 2026 |
| 543 | KATHY KREGOR FEDERAL COM | Eddy County, NM | Oil & Gas Property | Mar 2026 |
| 544 | KATHY LYNN & MICHAEL MAYHEW, ETAL KATHY MAYHEW BRK | Brooke County, WV | Oil & Gas Property | Dec 2021 |
| 545 | KATIE | Cooke County, TX | Oil & Gas Property | Mar 2026 |
| 546 | KATIE | Upton County, TX | Oil & Gas Property | Mar 2026 |
| 547 | KATIE | Stephens County, OK | Oil & Gas Property | Mar 2026 |
| 548 | KATIE | Kingfisher County, OK | Oil & Gas Property | Feb 2026 |
| 549 | KATIE | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 550 | KATIE | Washita County, OK | Oil & Gas Property | Feb 2026 |
| 551 | KATIE | Pittsburg County, OK | Gas Property | Feb 2026 |
| 552 | KATIE #29 | Major County, OK | Gas Property | May 2020 |
| 553 | KATIE 1-72 | Loving County, TX | Oil & Gas Property | Mar 2026 |
| 554 | KATIE BROWN | Creek County, OK | Oil Property | Feb 2026 |
| 555 | KATIE C UNIT | Cooke County, TX | Oil & Gas Property | Mar 2026 |
| 556 | KATIE EILEEN 34-7-35 | La Plata County, CO | Gas Property | Feb 2026 |
| 557 | KATIE ELDER STATE | Chaves County, NM | Oil Property | Dec 1999 |
| 558 | KATIE LEE | Wise County, TX | Oil & Gas Property | Feb 2026 |
| 559 | KATIE NOLA GAS UNIT 1 | Parker County, TX | Gas Property | Mar 2026 |
| 560 | KATIE ROSE 5-8 #1H | Roosevelt County, MT | Oil & Gas Property | Mar 2026 |
| 561 | KATIE SCHMIDT | Harvey County, KS | Oil Property | Nov 2008 |
| 562 | KATIE STATE | Midland County, TX | Oil & Gas Property | Mar 2026 |
| 563 | KATLACO FEE | Eastland County, TX | Oil & Gas Property | Mar 2026 |
| 564 | KATMAI 1206 | Canadian County, OK | Oil & Gas Property | Feb 2026 |
| 565 | KATMANDU | McClain County, OK | Oil & Gas Property | Feb 2026 |
| 566 | KATMANDU | Palo Pinto County, TX | Oil & Gas Property | Mar 2026 |
| 567 | KATRINA | Ellsworth County, KS | Oil Property | Feb 2026 |
| 568 | KATRINA 30-31 | Richland County, MT | Oil & Gas Property | Mar 2026 |
| 569 | KATS | Phillips County, KS | Oil Property | Feb 2026 |
| 570 | KATS | Broomfield County, CO | Oil & Gas Property | Nov 2018 |
| 571 | KATSKA | Seminole County, OK | Oil Property | Feb 2026 |
| 572 | KATTENHORN | Anderson County, KS | Oil Property | May 2001 |
| 573 | KATTEVOLD USA 14-34TFH | Mountrail County, ND | Oil & Gas Property | Apr 2026 |
| 574 | KATY | Seminole County, OK | Oil & Gas Property | Feb 2026 |
| 575 | KATY | Major County, OK | Oil & Gas Property | Dec 2019 |
| 576 | KATY | Lipscomb County, TX | Oil & Gas Property | Mar 2026 |
| 577 | KATY | Dawson County, TX | Oil & Gas Property | Mar 2026 |
| 578 | KATY JACKS | Finney County, KS | Oil Property | Feb 2026 |
| 579 | KATY UNIT | Ector County, TX | Oil & Gas Property | Mar 2026 |
| 580 | KATZ | Payne County, OK | Oil & Gas Property | Nov 2015 |
| 581 | KATZ | Payne County, OK | Oil & Gas Property | Feb 2026 |
| 582 | KATZ | Carter County, OK | Oil & Gas Property | Mar 2026 |
| 583 | KATZ (STRAWN) UNIT | Stonewall County, TX | Oil & Gas Property | Feb 2026 |
| 584 | KATZENSTEIN | Bradford County, PA | Gas Property | Mar 2026 |
| 585 | KATZER | Wilson County, KS | Gas Property | Feb 2026 |
| 586 | KATZER | Wilson County, KS | Oil & Gas Property | Feb 2026 |
| 587 | KATZER | Neosho County, KS | Gas Property | Dec 2025 |
| 588 | KAUAI | Lincoln County, CO | Oil & Gas Property | Feb 2026 |
| 589 | KAUFER | Kleberg County, TX | Oil & Gas Property | Jun 2010 |
| 590 | KAUFFMAN | Lasalle Parish, LA | Oil & Gas Property | Jan 2025 |
| 591 | KAUFFMAN | Clearfield County, PA | Gas Property | Dec 2025 |
| 592 | KAUFFMAN STATE UNIT C4-6 | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 593 | KAUFMAN | Armstrong County, PA | Gas Property | Dec 2025 |
| 594 | KAUFMAN | Russell County, KS | Oil Property | Feb 2026 |
| 595 | KAUFMAN | Kingman County, KS | Oil & Gas Property | Dec 2025 |
| 596 | KAUFMAN | Garfield County, CO | Oil & Gas Property | Feb 2026 |
| 597 | KAUFMAN | Roberts County, TX | Oil & Gas Property | Mar 2026 |
| 598 | KAUFMAN | Russell County, KS | Oil Property | Oct 2025 |
| 599 | KAUFMAN | Harvey County, KS | Oil & Gas Property | Oct 2024 |
| 600 | KAUFMAN | Allen County, KS | Oil Property | Sep 2023 |