| 601 | CALDWELL | Rice County, KS | Gas Property | Apr 2026 |
| 602 | CALDWELL | Pontotoc County, OK | Oil Property | May 2026 |
| 603 | CALDWELL | Yoakum County, TX | Oil & Gas Property | Jun 2026 |
| 604 | CALDWELL | Cleburne County, AR | Gas Property | Jun 2024 |
| 605 | CALDWELL | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 606 | CALDWELL | Canadian County, OK | Oil & Gas Property | May 2026 |
| 607 | CALDWELL | Sterling County, TX | Oil & Gas Property | Jun 2026 |
| 608 | CALDWELL | Magoffin County, KY | Oil Property | Dec 2024 |
| 609 | CALDWELL | Kern County, CA | Oil & Gas Property | Jun 2026 |
| 610 | CALDWELL | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 611 | CALDWELL | McClain County, OK | Oil & Gas Property | May 2026 |
| 612 | CALDWELL | Payne County, OK | Oil & Gas Property | May 2026 |
| 613 | CALDWELL | McClain County, OK | Oil Property | May 2026 |
| 614 | CALDWELL | Johnson County, TX | Oil & Gas Property | May 2026 |
| 615 | CALDWELL | Kingfisher County, OK | Oil & Gas Property | May 2026 |
| 616 | CALDWELL | Carter County, OK | Oil & Gas Property | May 2026 |
| 617 | CALDWELL | Licking County, OH | Oil & Gas Property | Dec 2025 |
| 618 | CALDWELL | Beaver County, OK | Oil & Gas Property | May 2026 |
| 619 | CALDWELL | Shackelford County, TX | Oil & Gas Property | Jun 2026 |
| 620 | CALDWELL | Brazos County, TX | Oil & Gas Property | Jun 2026 |
| 621 | CALDWELL | Floyd County, KY | Oil & Gas Property | Dec 2024 |
| 622 | CALDWELL | Bienville Parish, LA | Oil & Gas Property | Sep 1995 |
| 623 | CALDWELL | Stephens County, TX | Oil & Gas Property | Jun 2026 |
| 624 | CALDWELL | Union Parish, LA | Oil & Gas Property | Aug 2021 |
| 625 | CALDWELL | Sheridan County, KS | Oil Property | Apr 2007 |
| 626 | CALDWELL | Boulder County, CO | Oil & Gas Property | May 2026 |
| 627 | CALDWELL | Anderson County, KS | Oil Property | Mar 2026 |
| 628 | CALDWELL | Stephens County, TX | Oil & Gas Property | Jun 2026 |
| 629 | CALDWELL | Grady County, OK | Oil & Gas Property | May 2026 |
| 630 | CALDWELL | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 631 | CALDWELL | Leon County, TX | Oil & Gas Property | Jun 2026 |
| 632 | CALDWELL | Payne County, OK | Oil & Gas Property | May 2026 |
| 633 | CALDWELL "3" 1 | Ellis County, OK | Oil & Gas Property | May 2026 |
| 634 | CALDWELL ( | Woodward County, OK | Oil & Gas Property | Jun 2026 |
| 635 | CALDWELL 24 | Chaves County, NM | Oil & Gas Property | Dec 2022 |
| 636 | CALDWELL 2407 | Garfield County, OK | Oil & Gas Property | May 2026 |
| 637 | CALDWELL C | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 638 | CALDWELL C.M | Stephens County, TX | Oil & Gas Property | Jun 2026 |
| 639 | CALDWELL CAM | Mingo County, WV | Gas Property | Dec 2021 |
| 640 | CALDWELL ET AL | Smith County, TX | Oil & Gas Property | Jun 2026 |
| 641 | CALDWELL F | Washington County, PA | Oil & Gas Property | Dec 2025 |
| 642 | CALDWELL LIVING TRUST 14 | Neosho County, KS | Gas Property | Apr 2026 |
| 643 | CALDWELL M. D | Rusk County, TX | Oil & Gas Property | Jun 2026 |
| 644 | CALDWELL, BRITT | Wheeler County, TX | Oil & Gas Property | Mar 2026 |
| 645 | CALDWELL, J. L | Lincoln County, WV | Oil & Gas Property | Dec 2021 |
| 646 | CALDWELL, J.E | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 647 | CALDWELL, WILLIE | Knox County, KY | Gas Property | Dec 2024 |
| 648 | CALDWELL-BRECKENRIDGE | Stephens County, TX | Oil & Gas Property | Jun 2026 |
| 649 | CALDWELL-GARRETT | Ochiltree County, TX | Oil & Gas Property | May 2026 |
| 650 | CALDWELL-MCWILLIAMS | Columbia County, AR | Oil & Gas Property | Jul 2026 |
| 651 | CALDWELL-ROGERS | Stephens County, TX | Oil & Gas Property | Jun 2026 |
| 652 | CALE | Gove County, KS | Oil Property | Apr 2026 |
| 653 | CALE, WI | Wood County, WV | Oil & Gas Property | Sep 2019 |
| 654 | CALEB | Ector County, TX | Oil & Gas Property | Feb 2019 |
| 655 | CALEB 1 | Stephens County, OK | Oil & Gas Property | May 2026 |
| 656 | CALEB 44-32TFH | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 657 | CALEB L | Kern County, CA | Oil & Gas Property | Jul 2026 |
| 658 | CALEDONIA GAS STORAGE | Lowndes County, MS | Oil & Gas Property | May 1997 |
| 659 | CALES | Kay County, OK | Oil Property | May 2021 |
| 660 | CALEX | Kern County, CA | Oil & Gas Property | Jul 2026 |
| 661 | CALF C | Grand County, UT | Oil & Gas Property | Jul 2015 |
| 662 | CALF ROPE 1611 | Blaine County, OK | Oil & Gas Property | May 2026 |
| 663 | CALFAS A | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 664 | CALFROPE STATE | Lea County, NM | Oil & Gas Property | Mar 2022 |
| 665 | CALGARY | San Juan County, NM | Oil & Gas Property | Jul 2026 |
| 666 | CALGARY FEDERAL | Chaves County, NM | Oil & Gas Property | Jun 2026 |
| 667 | CALHOON | Meade County, KS | Oil & Gas Property | Mar 2026 |
| 668 | CALHOON | Beaver County, OK | Gas Property | May 2026 |
| 669 | CALHOON | Alfalfa County, OK | Oil & Gas Property | May 2026 |
| 670 | CALHOUN | Hood County, TX | Oil & Gas Property | Jun 2026 |
| 671 | CALHOUN | De Soto Parish, LA | Gas Property | Dec 2024 |
| 672 | CALHOUN | De Soto Parish, LA | Gas Property | Dec 2024 |
| 673 | CALHOUN | Red River Parish, LA | Oil & Gas Property | Nov 2024 |
| 674 | CALHOUN | Lincoln Parish, LA | Oil & Gas Property | Dec 2024 |
| 675 | CALHOUN 1 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 676 | CALHOUN F. D | Grimes County, TX | Oil & Gas Property | Jun 2026 |
| 677 | CALHOUN FARMS | Victoria County, TX | Oil & Gas Property | Jul 2017 |
| 678 | CALHOUN UNIT | Montague County, TX | Oil & Gas Property | Jun 2026 |
| 679 | CALHOUN, JACKSON & BETTY CALHOUN | Doddridge County, WV | Oil & Gas Property | Jul 2021 |
| 680 | CALHOUN-PETTY | Natchitoches Parish, LA | Oil Property | Jan 2025 |
| 681 | CALI ROLL 24 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jul 2026 |
| 682 | CALIARI BEL | Clearfield County, PA | Gas Property | Dec 2025 |
| 683 | CALIBAN | Lavaca County, TX | Oil & Gas Property | Jun 2026 |
| 684 | CALICO 148-93-31D-30H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 685 | CALICO JACK | Marshall County, OK | Oil & Gas Property | May 2026 |
| 686 | CALICO JACK 2312 1UOHX-27-22 | Major County, OK | Oil & Gas Property | May 2026 |
| 687 | CALICUTT | Smith County, TX | Oil & Gas Property | Jun 2026 |
| 688 | CALIDON | Kern County, CA | Oil & Gas Property | Jul 2026 |
| 689 | CALIF. CENTRAL | Fresno County, CA | Oil & Gas Property | Jul 2026 |
| 690 | CALIFORNIA | Weld County, CO | Oil & Gas Property | May 2026 |
| 691 | CALIFORNIA | Fresno County, CA | Oil Property | Oct 1996 |
| 692 | CALIFORNIA | Kern County, CA | Oil & Gas Property | Jul 2026 |
| 693 | CALIFORNIA | Santa Barbara County, CA | Oil & Gas Property | Dec 2008 |
| 694 | CALIFORNIA 29 FEE | Eddy County, NM | Oil & Gas Property | Mar 2026 |
| 695 | CALIFORNIA CHROME 27 | Reeves County, TX | Oil & Gas Property | May 2026 |
| 696 | CALIFORNIA CHROME 39 STATE UNIT | Culberson County, TX | Oil & Gas Property | Jun 2026 |
| 697 | CALIFORNIA CHROME UNIT | Ward County, TX | Oil & Gas Property | Jun 2026 |
| 698 | CALIFORNIA COALINGA | Fresno County, CA | Oil Property | Jun 2026 |
| 699 | CALIFORNIA COAST | Santa Barbara County, CA | Oil & Gas Property | Jul 2026 |
| 700 | CALIFORNIA LANDS, INC | Fresno County, CA | Oil & Gas Property | Oct 2011 |