| 18701 | CALF WOMEN 1-16 | McKenzie County, ND | Oil & Gas Property | Jan 2026 |
| 18702 | CALFAS A | Atascosa County, TX | Oil & Gas Property | Dec 2025 |
| 18703 | CALFROPE STATE | Lea County, NM | Oil & Gas Property | Mar 2022 |
| 18704 | CALGARY | San Juan County, NM | Oil & Gas Property | Jan 2026 |
| 18705 | CALGARY FEDERAL | Chaves County, NM | Oil & Gas Property | Jan 2026 |
| 18706 | CALHOON | Meade County, KS | Oil & Gas Property | Sep 2025 |
| 18707 | CALHOON | Beaver County, OK | Gas Property | Sep 2025 |
| 18708 | CALHOON | Alfalfa County, OK | Oil & Gas Property | Dec 2025 |
| 18709 | CALHOUN | Hood County, TX | Oil & Gas Property | Dec 2025 |
| 18710 | CALHOUN | De Soto Parish, LA | Gas Property | Dec 2024 |
| 18711 | CALHOUN | De Soto Parish, LA | Gas Property | Dec 2024 |
| 18712 | CALHOUN | Red River Parish, LA | Oil & Gas Property | Nov 2024 |
| 18713 | CALHOUN | Lincoln Parish, LA | Oil & Gas Property | Dec 2024 |
| 18714 | CALHOUN 1 | McKenzie County, ND | Oil & Gas Property | Jan 2026 |
| 18715 | CALHOUN F. D | Grimes County, TX | Oil & Gas Property | Dec 2025 |
| 18716 | CALHOUN FARMS | Victoria County, TX | Oil & Gas Property | Jul 2017 |
| 18717 | CALHOUN UNIT | Montague County, TX | Oil & Gas Property | Dec 2025 |
| 18718 | CALHOUN, JACKSON & BETTY CALHOUN | Doddridge County, WV | Oil & Gas Property | Jul 2021 |
| 18719 | CALHOUN-PETTY | Natchitoches Parish, LA | Oil Property | Jan 2025 |
| 18720 | CALI ROLL 24 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 18721 | CALIARI BEL | Clearfield County, PA | Gas Property | Dec 2025 |
| 18722 | CALIBAN | Lavaca County, TX | Oil & Gas Property | Dec 2025 |
| 18723 | CALICO 148-93-31D-30H | Dunn County, ND | Oil & Gas Property | Jan 2026 |
| 18724 | CALICO 44-19 | Las Animas County, CO | Gas Property | Jan 2026 |
| 18725 | CALICO JACK | Marshall County, OK | Oil & Gas Property | Dec 2025 |
| 18726 | CALICO JACK 2312 1UOHX-27-22 | Major County, OK | Oil & Gas Property | Dec 2025 |
| 18727 | CALICUTT | Smith County, TX | Oil & Gas Property | Dec 2025 |
| 18728 | CALIDON | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 18729 | CALIF. CENTRAL | Fresno County, CA | Oil & Gas Property | Dec 2025 |
| 18730 | CALIFORNIA | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 18731 | CALIFORNIA | Fresno County, CA | Oil Property | Oct 1996 |
| 18732 | CALIFORNIA | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 18733 | CALIFORNIA | Santa Barbara County, CA | Oil & Gas Property | Dec 2008 |
| 18734 | CALIFORNIA 29 FEE | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 18735 | CALIFORNIA CHROME 27 | Reeves County, TX | Oil & Gas Property | Nov 2025 |
| 18736 | CALIFORNIA CHROME 39 STATE UNIT | Culberson County, TX | Oil & Gas Property | Dec 2025 |
| 18737 | CALIFORNIA CHROME UNIT | Ward County, TX | Oil & Gas Property | Dec 2025 |
| 18738 | CALIFORNIA COALINGA | Fresno County, CA | Oil Property | Jul 2025 |
| 18739 | CALIFORNIA COAST | Santa Barbara County, CA | Oil & Gas Property | Dec 2025 |
| 18740 | CALIFORNIA LANDS | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 18741 | CALIFORNIA LANDS, INC | Fresno County, CA | Oil & Gas Property | Oct 2011 |
| 18742 | CALIFORNIA STANDARD | Kern County, CA | Oil Property | May 2024 |
| 18743 | CALIHAN | Finney County, KS | Gas Property | Sep 2025 |
| 18744 | CALINE | Grady County, OK | Oil & Gas Property | Dec 2025 |
| 18745 | CALION LUMBER | Union County, AR | Oil Property | Sep 2023 |
| 18746 | CALISTOGA 18-7-161-92H | Burke County, ND | Oil & Gas Property | Jan 2026 |
| 18747 | CALK E. W | Bexar County, TX | Oil & Gas Property | Dec 2025 |
| 18748 | CALKIN | Kingman County, KS | Oil & Gas Property | Sep 2025 |
| 18749 | CALKIN | Kingman County, KS | Gas Property | Sep 2023 |
| 18750 | CALKINS | Dewey County, OK | Oil & Gas Property | Apr 2019 |
| 18751 | CALKINS | Los Angeles County, CA | Gas Property | Nov 1984 |
| 18752 | CALKINS-FRAZEE | Dewey County, OK | Oil & Gas Property | Dec 2025 |
| 18753 | CALL | Fresno County, CA | Oil & Gas Property | Dec 2025 |
| 18754 | CALLA MAE | Coke County, TX | Oil & Gas Property | Oct 2025 |
| 18755 | CALLAGHAN JOHN C | Denton County, TX | Gas Property | Dec 2025 |
| 18756 | CALLAHAN | Barton County, KS | Gas Property | Sep 2025 |
| 18757 | CALLAHAN | Bryan County, OK | Oil & Gas Property | Dec 2025 |
| 18758 | CALLAHAN | Martin County, TX | Oil & Gas Property | Dec 2025 |
| 18759 | CALLAHAN | Perry County, KY | Oil & Gas Property | Dec 2024 |
| 18760 | CALLAHAN 'A' | Morton County, KS | Oil & Gas Property | Sep 2025 |
| 18761 | CALLAHAN 54-2-17 UNIT 1H | Loving County, TX | Oil & Gas Property | Dec 2025 |
| 18762 | CALLARMAN | Wilson County, KS | Gas Property | Sep 2025 |
| 18763 | CALLARMAN | Wilson County, KS | Gas Property | Sep 2025 |
| 18764 | CALLAS | Cuyahoga County, OH | Oil & Gas Property | Dec 2024 |
| 18765 | CALLAS | Armstrong County, PA | Gas Property | Jan 2026 |
| 18766 | CALLAWAY | Stephens County, OK | Oil & Gas Property | Dec 2025 |
| 18767 | CALLAWAY | Hughes County, OK | Oil Property | Dec 2025 |
| 18768 | CALLAWAY | Brown County, TX | Oil & Gas Property | Nov 2025 |
| 18769 | CALLAWAY | Scurry County, TX | Oil & Gas Property | Dec 2025 |
| 18770 | CALLAWAY | Sedgwick County, KS | Oil Property | Jul 2025 |
| 18771 | CALLAWAY | Johnson County, TX | Oil & Gas Property | Dec 2025 |
| 18772 | CALLAWAY | Stephens County, OK | Oil & Gas Property | Dec 2025 |
| 18773 | CALLAWAY | Stephens County, OK | Oil & Gas Property | Dec 2025 |
| 18774 | CALLAWAY | Stephens County, TX | Oil & Gas Property | Dec 2025 |
| 18775 | CALLAWAY FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 18776 | CALLAWAY GAS UNIT | Robertson County, TX | Oil & Gas Property | Dec 2025 |
| 18777 | CALLAWAY GIB | Stonewall County, TX | Oil & Gas Property | Sep 2025 |
| 18778 | CALLAWAY P. S. GU | Denton County, TX | Oil & Gas Property | Dec 2025 |
| 18779 | CALLEN | Armstrong County, PA | Gas Property | Jan 2026 |
| 18780 | CALLENDER | Los Angeles County, CA | Oil & Gas Property | Jun 2025 |
| 18781 | CALLHAM | Gray County, TX | Gas Property | Dec 2025 |
| 18782 | CALLICOTT BROTHERS | Stephens County, TX | Oil & Gas Property | Dec 2025 |
| 18783 | CALLICRATE | Cheyenne County, KS | Oil Property | Sep 2025 |
| 18784 | CALLIE | Dewey County, OK | Oil & Gas Property | Nov 2025 |
| 18785 | CALLIHAN | Caldwell County, TX | Oil & Gas Property | Dec 2025 |
| 18786 | CALLIHAN | Caldwell County, TX | Oil & Gas Property | Dec 2025 |
| 18787 | CALLING THUNDER 1-26H | Blaine County, OK | Oil & Gas Property | Dec 2025 |
| 18788 | CALLIOPE | Westmoreland County, PA | Gas Property | Jan 2026 |
| 18789 | CALLIS | Rice County, KS | Oil Property | Jul 2025 |
| 18790 | CALLISON | Major County, OK | Oil & Gas Property | Dec 2025 |
| 18791 | CALLISON | Montague County, TX | Oil & Gas Property | Dec 2025 |
| 18792 | CALLISON | Ellis County, KS | Oil Property | Aug 2025 |
| 18793 | CALLISON | Woodward County, OK | Oil & Gas Property | Dec 2025 |
| 18794 | CALLISON | Harrison County, TX | Oil & Gas Property | Dec 2025 |
| 18795 | CALLISON | Glacier County, MT | Gas Property | Jan 2026 |
| 18796 | CALLISON | Marion County, TX | Oil & Gas Property | Nov 2025 |
| 18797 | CALLISON 34-9 29-2 | La Plata County, CO | Gas Property | Dec 2025 |
| 18798 | CALLISTER-GOV | Rio Blanco County, CO | Gas Property | Sep 2013 |
| 18799 | CALLISTO GAS UNIT | Nacogdoches County, TX | Gas Property | Dec 2025 |
| 18800 | CALLOMA | Kern County, CA | Oil & Gas Property | Dec 2025 |