| 701 | CALIFORNIA STANDARD | Kern County, CA | Oil Property | May 2024 |
| 702 | CALIHAN | Finney County, KS | Gas Property | Apr 2026 |
| 703 | CALINE | Grady County, OK | Oil & Gas Property | May 2026 |
| 704 | CALION LUMBER | Union County, AR | Oil Property | Sep 2023 |
| 705 | CALISTOGA 18-7-161-92H | Burke County, ND | Oil & Gas Property | Jun 2026 |
| 706 | CALK E. W | Bexar County, TX | Oil & Gas Property | May 2026 |
| 707 | CALKIN | Kingman County, KS | Oil & Gas Property | Apr 2026 |
| 708 | CALKIN | Kingman County, KS | Gas Property | Sep 2023 |
| 709 | CALKINS | Dewey County, OK | Oil & Gas Property | Apr 2019 |
| 710 | CALKINS | Los Angeles County, CA | Gas Property | Nov 1984 |
| 711 | CALKINS-FRAZEE | Dewey County, OK | Oil & Gas Property | May 2026 |
| 712 | CALL | Fresno County, CA | Oil & Gas Property | Jul 2026 |
| 713 | CALLA MAE | Coke County, TX | Oil & Gas Property | May 2026 |
| 714 | CALLAGHAN JOHN C | Denton County, TX | Gas Property | Jun 2026 |
| 715 | CALLAHAN | Barton County, KS | Gas Property | Apr 2026 |
| 716 | CALLAHAN | Bryan County, OK | Oil & Gas Property | May 2026 |
| 717 | CALLAHAN | Martin County, TX | Oil & Gas Property | May 2026 |
| 718 | CALLAHAN | Perry County, KY | Oil & Gas Property | Dec 2024 |
| 719 | CALLAHAN 'A' | Morton County, KS | Oil & Gas Property | Mar 2026 |
| 720 | CALLAHAN 54-2-17 UNIT 1H | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 721 | CALLARMAN | Wilson County, KS | Gas Property | Apr 2026 |
| 722 | CALLARMAN | Wilson County, KS | Gas Property | Apr 2026 |
| 723 | CALLAS | Cuyahoga County, OH | Oil & Gas Property | Dec 2025 |
| 724 | CALLAS | Armstrong County, PA | Gas Property | Jun 2026 |
| 725 | CALLAWAY | Stephens County, OK | Oil & Gas Property | May 2026 |
| 726 | CALLAWAY | Hughes County, OK | Oil Property | Apr 2026 |
| 727 | CALLAWAY | Brown County, TX | Oil & Gas Property | May 2026 |
| 728 | CALLAWAY | Scurry County, TX | Oil & Gas Property | Jun 2026 |
| 729 | CALLAWAY | Sedgwick County, KS | Oil Property | Mar 2026 |
| 730 | CALLAWAY | Johnson County, TX | Oil & Gas Property | May 2026 |
| 731 | CALLAWAY | Stephens County, OK | Oil & Gas Property | May 2026 |
| 732 | CALLAWAY | Stephens County, OK | Oil & Gas Property | May 2026 |
| 733 | CALLAWAY | Stephens County, TX | Oil & Gas Property | May 2026 |
| 734 | CALLAWAY FEDERAL | Eddy County, NM | Oil & Gas Property | Jun 2026 |
| 735 | CALLAWAY GAS UNIT | Robertson County, TX | Oil & Gas Property | Jun 2026 |
| 736 | CALLAWAY GIB | Stonewall County, TX | Oil & Gas Property | Jun 2026 |
| 737 | CALLAWAY P. S. GU | Denton County, TX | Oil & Gas Property | Jun 2026 |
| 738 | CALLEN | Armstrong County, PA | Gas Property | Jun 2026 |
| 739 | CALLENDER | Los Angeles County, CA | Oil & Gas Property | Jun 2025 |
| 740 | CALLHAM | Gray County, TX | Gas Property | Jun 2026 |
| 741 | CALLICOTT BROTHERS | Stephens County, TX | Oil & Gas Property | Jun 2026 |
| 742 | CALLICRATE | Cheyenne County, KS | Oil Property | Apr 2026 |
| 743 | CALLIE | Upton County, TX | Oil & Gas Property | Jun 2026 |
| 744 | CALLIE | Dewey County, OK | Oil & Gas Property | Apr 2026 |
| 745 | CALLIHAN | Caldwell County, TX | Oil & Gas Property | May 2026 |
| 746 | CALLIHAN | Caldwell County, TX | Oil & Gas Property | May 2026 |
| 747 | CALLIOPE | Westmoreland County, PA | Gas Property | Jun 2026 |
| 748 | CALLIS | Rice County, KS | Oil Property | Mar 2026 |
| 749 | CALLISON | Major County, OK | Oil & Gas Property | May 2026 |
| 750 | CALLISON | Montague County, TX | Oil & Gas Property | Jun 2026 |
| 751 | CALLISON | Ellis County, KS | Oil Property | Mar 2026 |
| 752 | CALLISON | Woodward County, OK | Oil & Gas Property | May 2026 |
| 753 | CALLISON | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 754 | CALLISON | Glacier County, MT | Gas Property | Jun 2026 |
| 755 | CALLISON | Marion County, TX | Oil & Gas Property | May 2026 |
| 756 | CALLISTER GOV | Rio Blanco County, CO | Gas Property | Sep 2013 |
| 757 | CALLISTO GAS UNIT | Nacogdoches County, TX | Gas Property | Jun 2026 |
| 758 | CALLOMA | Kern County, CA | Oil & Gas Property | Jul 2026 |
| 759 | CALLON AGENT | Sabine Parish, LA | Oil & Gas Property | Dec 2024 |
| 760 | CALLOW | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 761 | CALLOW | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 762 | CALLOW FEDERAL | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 763 | CALLOWAY | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 764 | CALLOWAY | Stephens County, TX | Oil & Gas Property | Jun 2026 |
| 765 | CALLY | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 766 | CALM BREEZE 2 FEDERAL COM | Lea County, NM | Oil & Gas Property | May 2026 |
| 767 | CALMERS FEDERAL 6092 43-14T | Burke County, ND | Oil & Gas Property | Jun 2026 |
| 768 | CALMES | Stephens County, OK | Oil Property | May 2026 |
| 769 | CALMES | Stephens County, OK | Oil & Gas Property | Sep 2024 |
| 770 | CALMES 0 | Walker County, AL | Gas Property | Jun 2026 |
| 771 | CALMITCH BRA | Bradford County, PA | Gas Property | Jun 2026 |
| 772 | CALMON 30 STATE | Lea County, NM | Oil & Gas Property | Jun 2025 |
| 773 | CALMONT | Tarrant County, TX | Oil & Gas Property | Jun 2026 |
| 774 | CALMUS BIA | Blaine County, OK | Oil & Gas Property | May 2026 |
| 775 | CALOR SECO 6 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jun 2026 |
| 776 | CALPLANS-POPPY RIDGE | Sacramento County, CA | Gas Property | Mar 1986 |
| 777 | CALPLANS-TAYLOR SLOUGH | Contra Costa County, CA | Oil & Gas Property | Jun 1986 |
| 778 | CALSO | Kern County, CA | Oil & Gas Property | Jul 2026 |
| 779 | CALSO 12-61H | Kern County, CA | Oil & Gas Property | Jul 2026 |
| 780 | CALTON A. D | Milam County, TX | Oil & Gas Property | Jun 2026 |
| 781 | CALUMET | Ventura County, CA | Oil & Gas Property | Dec 2025 |
| 782 | CALUMET | Canadian County, OK | Oil & Gas Property | Jun 2026 |
| 783 | CALVARY | Weld County, CO | Oil & Gas Property | May 2026 |
| 784 | CALVARY FARMS | Weld County, CO | Oil & Gas Property | May 2026 |
| 785 | CALVERLEY | Glasscock County, TX | Oil & Gas Property | Jun 2026 |
| 786 | CALVERLEY | Glasscock County, TX | Oil & Gas Property | May 2026 |
| 787 | CALVERLEY | Glasscock County, TX | Oil & Gas Property | Jun 2026 |
| 788 | CALVERLEY-MCDANIELS 2 | Glasscock County, TX | Oil & Gas Property | Jun 2026 |
| 789 | CALVERLY | Glasscock County, TX | Oil & Gas Property | Feb 2017 |
| 790 | CALVERLY | Glasscock County, TX | Oil & Gas Property | Jun 2026 |
| 791 | CALVERT | Roger Mills County, OK | Oil & Gas Property | May 2026 |
| 792 | CALVERT | Cleveland County, OK | Oil Property | May 2023 |
| 793 | CALVERT | Frio County, TX | Oil & Gas Property | Jun 2026 |
| 794 | CALVERT | Roger Mills County, OK | Oil & Gas Property | May 2026 |
| 795 | CALVERT | Roger Mills County, OK | Oil & Gas Property | May 2026 |
| 796 | CALVERT | Concordia Parish, LA | Oil & Gas Property | Jun 2023 |
| 797 | CALVERT | Terrebonne Parish, LA | Oil & Gas Property | Sep 2018 |
| 798 | CALVERT | McClain County, OK | Oil & Gas Property | May 2026 |
| 799 | CALVERT | Roger Mills County, OK | Oil & Gas Property | May 2026 |
| 800 | CALVERT | Texas County, OK | Gas Property | May 2026 |