| 901 | CHRISTIANSEN | Weld County, CO | Oil & Gas Property | Jan 2017 |
| 902 | CHRISTIANSEN | Adams County, CO | Oil & Gas Property | May 2018 |
| 903 | CHRISTIANSEN | Weld County, CO | Oil & Gas Property | Mar 2020 |
| 904 | CHRISTIANSON | Washington County, CO | Oil & Gas Property | Dec 2025 |
| 905 | CHRISTIANSON | Washington County, CO | Gas Property | Dec 2025 |
| 906 | CHRISTINE LC27-7 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 907 | CHRISTNER 8 | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 908 | CHRISTOPHER | Cheyenne County, CO | Oil & Gas Property | Dec 2025 |
| 909 | CHURCH | Washington County, CO | Oil & Gas Property | Dec 2025 |
| 910 | CHURCH 36-2523H | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 911 | CHURCHILL | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 912 | CIMARRON | Las Animas County, CO | Gas Property | Dec 2025 |
| 913 | CINNAMON 6-64 19-7 | Elbert County, CO | Oil & Gas Property | Dec 2025 |
| 914 | CINNAMON TEAL | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 915 | CINQUE | Weld County, CO | Oil & Gas Property | Sep 2013 |
| 916 | CIRCLE B 6-66-9-0 | Weld County, CO | Oil & Gas Property | Aug 2018 |
| 917 | CIRCLE B LAND | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 918 | CIRCLE RANCH | Weld County, CO | Oil & Gas Property | Oct 2018 |
| 919 | CITADEL 5-64 15-16-1CHZ | Arapahoe County, CO | Oil & Gas Property | Dec 2025 |
| 920 | CITO TRUST | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 921 | CJ PETERS 24-15 | Yuma County, CO | Gas Property | Nov 2025 |
| 922 | CLAR | Morgan County, CO | Oil & Gas Property | Apr 2023 |
| 923 | CLARK | Weld County, CO | Oil & Gas Property | Oct 2023 |
| 924 | CLARK | Washington County, CO | Oil Property | Dec 2025 |
| 925 | CLARK | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 926 | CLARK | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 927 | CLARK 7 | La Plata County, CO | Gas Property | Nov 2025 |
| 928 | CLARK CUMMINS GAS UNIT PLA 9 1 | La Plata County, CO | Gas Property | Nov 2025 |
| 929 | CLARKE | Yuma County, CO | Gas Property | Nov 2025 |
| 930 | CLARKS LAKE MUDDY | Larimer County, CO | Oil & Gas Property | Dec 2025 |
| 931 | CLARY | La Plata County, CO | Gas Property | Nov 2025 |
| 932 | CLAYMON 8 | Phillips County, CO | Gas Property | Sep 2023 |
| 933 | CLC RED W 15 | Weld County, CO | Oil & Gas Property | Nov 2018 |
| 934 | CLELAND 15 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 935 | CLEM | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 936 | CLEM JR. 15 | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 937 | CLEMENT | Weld County, CO | Oil & Gas Property | Nov 2024 |
| 938 | CLEMONS | Weld County, CO | Oil & Gas Property | Jan 2021 |
| 939 | CLETCHER | Weld County, CO | Oil & Gas Property | Jan 2018 |
| 940 | CLEVELAND | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 941 | CLIFFORD CAUSEY | Adams County, CO | Oil & Gas Property | Nov 2025 |
| 942 | CLIFFORD L | Weld County, CO | Oil & Gas Property | Mar 2021 |
| 943 | CLINE | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 944 | CLOUGH | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 945 | CLOUGH | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 946 | CLOVER 29 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 947 | CLOVIS | La Plata County, CO | Gas Property | Nov 2025 |
| 948 | CO STATE A | Adams County, CO | Oil & Gas Property | May 2018 |
| 949 | COAL CREEK | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 950 | COALBANK | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 951 | COALBANK CREEK | Weld County, CO | Oil & Gas Property | Jul 2019 |
| 952 | COALVIEW G02-6 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 953 | COAN | Adams County, CO | Oil & Gas Property | Jul 2025 |
| 954 | COAN | Weld County, CO | Oil & Gas Property | Aug 2024 |
| 955 | COB PARTNERSHIP | Yuma County, CO | Gas Property | Aug 2022 |
| 956 | COBRA | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 957 | COCHRAN | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 958 | COCHRAN | Morgan County, CO | Oil & Gas Property | Jun 2001 |
| 959 | COCKLEBUR DRAW | San Miguel County, CO | Oil & Gas Property | Jul 2024 |
| 960 | COCKROFT | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 961 | COCKROFT | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 962 | CODY | Jackson County, CO | Oil Property | Nov 2025 |
| 963 | CODY 44-11 | Las Animas County, CO | Gas Property | Dec 2025 |
| 964 | CODY D | Weld County, CO | Oil & Gas Property | Mar 2022 |
| 965 | COE TRUST | Cheyenne County, CO | Oil & Gas Property | Dec 2025 |
| 966 | COFFELT 5-61-35 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 967 | COGBURN | Baca County, CO | Gas Property | Jan 2008 |
| 968 | COGBURN A | La Plata County, CO | Gas Property | Nov 2025 |
| 969 | COGGINS | Elbert County, CO | Oil & Gas Property | May 2018 |
| 970 | COLAND | Weld County, CO | Oil & Gas Property | Oct 2021 |
| 971 | COLEMAN | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 972 | COLFER | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 973 | COLLINS 18 | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 974 | COLLISTER 31-17 | Las Animas County, CO | Gas Property | Dec 2025 |
| 975 | COLOHAN | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 976 | COLORADO | Logan County, CO | Oil Property | Dec 2018 |
| 977 | COLORADO | Morgan County, CO | Oil Property | Nov 2002 |
| 978 | COLORADO | La Plata County, CO | Gas Property | Dec 2025 |
| 979 | COLORADO ENERGY FEDERAL 14 | Weld County, CO | Oil Property | Jan 2018 |
| 980 | COLORADO STATE | Washington County, CO | Oil Property | Nov 2020 |
| 981 | COLORADO STATE | Weld County, CO | Oil & Gas Property | Oct 2018 |
| 982 | COLORADO STATE C | Adams County, CO | Oil & Gas Property | Oct 2019 |
| 983 | COLOROSO A | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 984 | COLT A13-6 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 985 | COLTHARP | Rio Blanco County, CO | Oil & Gas Property | Dec 2025 |
| 986 | COLTON 32-1 | Las Animas County, CO | Gas Property | Dec 2025 |
| 987 | COLUMBINE SP | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 988 | COLUMBINE SPRINGS FEDERAL | Rio Blanco County, CO | Oil & Gas Property | May 2015 |
| 989 | COMANCHE-FEDERAL | Baca County, CO | Oil & Gas Property | Jul 2002 |
| 990 | COMING 17 | Weld County, CO | Oil & Gas Property | May 2018 |
| 991 | COMMANDER 43-26 | Las Animas County, CO | Gas Property | Dec 2025 |
| 992 | COMMERCE CENTER | Weld County, CO | Oil & Gas Property | Jun 2019 |
| 993 | COMMERCE RANCH | Baca County, CO | Gas Property | Sep 2012 |
| 994 | COMMONS | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 995 | COMMUNITY | Larimer County, CO | Oil Property | Jan 2024 |
| 996 | COMO | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 997 | CONAGRA B | Weld County, CO | Oil & Gas Property | Aug 2017 |
| 998 | CONLEY | Archuleta County, CO | Gas Property | Dec 2025 |
| 999 | CONNELL | Weld County, CO | Oil & Gas Property | Jul 2019 |
| 1000 | CONNER | Weld County, CO | Oil & Gas Property | Oct 2025 |