| 28901 | CT 35 | Upton County, TX | Oil & Gas Property | Nov 2025 |
| 28902 | CT 39 | Upton County, TX | Oil & Gas Property | Nov 2025 |
| 28903 | CTA STATE COM | Eddy County, NM | Oil & Gas Property | Nov 2025 |
| 28904 | CTC UNIT | Stephens County, TX | Oil & Gas Property | Nov 2025 |
| 28905 | CTF 32-13-4 | Carroll County, OH | Oil & Gas Property | Sep 2025 |
| 28906 | CTG BEA | Beaver County, PA | Gas Property | Nov 2025 |
| 28907 | CTL OBRIEN ET AL | Dawson County, TX | Oil & Gas Property | Nov 2025 |
| 28908 | CTLC 2 | Lee County, FL | Oil & Gas Property | May 2018 |
| 28909 | CTU-FEE | Weston County, WY | Oil & Gas Property | Aug 1997 |
| 28910 | CU DOWNS FED | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 28911 | CU DOWNS FED 28 | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 28912 | CU DOWNS FED 3 | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 28913 | CU REPP FED 09-213769-1XTPH | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 28914 | CUADRILLA | Grady County, OK | Oil & Gas Property | Oct 2025 |
| 28915 | CUADRITO AZO FEDERAL | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 28916 | CUATRO 21 | Martin County, TX | Oil & Gas Property | Oct 2025 |
| 28917 | CUATRO HIJOS FEE | Lea County, NM | Oil & Gas Property | Nov 2025 |
| 28918 | CUB 56-2-33 1H | Reeves County, TX | Oil & Gas Property | Nov 2025 |
| 28919 | CUB CREEK COAL CO. A | Wyoming County, WV | Gas Property | Dec 2021 |
| 28920 | CUBBISON | Guernsey County, OH | Oil Property | Dec 2024 |
| 28921 | CUBBON | Venango County, PA | Oil Property | Dec 1997 |
| 28922 | CUBBON | Venango County, PA | Gas Property | Dec 2024 |
| 28923 | CUBBON | Venango County, PA | Oil & Gas Property | Dec 2024 |
| 28924 | CUBBON LUMBER CO | Warren County, PA | Gas Property | Dec 2024 |
| 28925 | CUBINE | Gray County, TX | Gas Property | Nov 2025 |
| 28926 | CUBINE | Clay County, TX | Oil & Gas Property | Nov 2025 |
| 28927 | CUCCIA COM | San Juan County, NM | Oil & Gas Property | Nov 2025 |
| 28928 | CUCCIA STATE COM | San Juan County, NM | Gas Property | Nov 2025 |
| 28929 | CUCCIA-U.S.L | Kern County, CA | Oil & Gas Property | Jul 2025 |
| 28930 | CUCH 10-17-2-1E | Uintah County, UT | Oil & Gas Property | Nov 2025 |
| 28931 | CUDA 1 | Williams County, ND | Oil & Gas Property | Nov 2025 |
| 28932 | CUDAHY | Kent County, MI | Oil Property | Nov 2025 |
| 28933 | CUDD | Ochiltree County, TX | Oil & Gas Property | Nov 2025 |
| 28934 | CUDE | Chautauqua County, KS | Oil & Gas Property | Jul 2014 |
| 28935 | CUDE A | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 28936 | CUDE W.T | Caldwell County, TX | Oil & Gas Property | Nov 2025 |
| 28937 | CUDJO | Seminole County, OK | Oil Property | Mar 2025 |
| 28938 | CUDJO | Seminole County, OK | Oil Property | Oct 2025 |
| 28939 | CUDNEY | Edwards County, KS | Oil & Gas Property | Sep 2025 |
| 28940 | CUELLAR | Zapata County, TX | Oil & Gas Property | Nov 2025 |
| 28941 | CUELLAR | Zapata County, TX | Oil & Gas Property | Nov 2025 |
| 28942 | CUELLAR | Zapata County, TX | Oil & Gas Property | Nov 2025 |
| 28943 | CUELLAR | Atascosa County, TX | Oil & Gas Property | Nov 2025 |
| 28944 | CUELLAR | Zapata County, TX | Oil & Gas Property | Nov 2025 |
| 28945 | CUELLAR FERNA | Zapata County, TX | Oil & Gas Property | Nov 2025 |
| 28946 | CUELLAR MA | Zapata County, TX | Oil & Gas Property | Nov 2025 |
| 28947 | CUELLAR-GRAVES GAS UNIT | Zapata County, TX | Oil & Gas Property | Nov 2025 |
| 28948 | CUERNO | Lea County, NM | Oil & Gas Property | Nov 2025 |
| 28949 | CUERVO FEDERAL | Lea County, NM | Oil & Gas Property | Nov 2025 |
| 28950 | CUFFMAN | Denton County, TX | Oil & Gas Property | Nov 2025 |
| 28951 | CUGNINI A | La Plata County, CO | Gas Property | Oct 2025 |
| 28952 | CUL-RAY | Wise County, TX | Oil & Gas Property | Sep 2025 |
| 28953 | CULBERSON | Brown County, TX | Oil & Gas Property | Oct 2025 |
| 28954 | CULBERSON | Culberson County, TX | Oil & Gas Property | Nov 2025 |
| 28955 | CULBERSON-HUGHES UNIT | Karnes County, TX | Oil & Gas Property | Nov 2025 |
| 28956 | CULBERSON-PATTESON UNIT | Karnes County, TX | Oil & Gas Property | Nov 2025 |
| 28957 | CULBERT | Ventura County, CA | Oil & Gas Property | Nov 2025 |
| 28958 | CULBERTSON | Clarion County, PA | Oil & Gas Property | Dec 2020 |
| 28959 | CULBERTSON | Carson County, TX | Gas Property | Nov 2025 |
| 28960 | CULBERTSON | Hitchcock County, NE | Oil Property | Dec 2024 |
| 28961 | CULBERTSON | Terrell County, TX | Oil & Gas Property | Nov 2025 |
| 28962 | CULBERTSON | Bienville Parish, LA | Oil & Gas Property | Dec 2024 |
| 28963 | CULBERTSON | Muskingum County, OH | Oil & Gas Property | Dec 2024 |
| 28964 | CULBERTSON | Armstrong County, PA | Gas Property | Dec 2024 |
| 28965 | CULBERTSON | Jones County, TX | Oil & Gas Property | Sep 2023 |
| 28966 | CULBREATH | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 28967 | CULBREATH, BOB | Warren County, KY | Oil & Gas Property | Dec 2023 |
| 28968 | CULEBRA 35 | Martin County, TX | Oil & Gas Property | Oct 2025 |
| 28969 | CULEBRA BLV FEDERAL COM | Eddy County, NM | Oil & Gas Property | Nov 2025 |
| 28970 | CULHANE | La Plata County, CO | Gas Property | Oct 2025 |
| 28971 | CULLAR UNIT | Grayson County, TX | Oil & Gas Property | Nov 2025 |
| 28972 | CULLEN | Holmes County, OH | Oil & Gas Property | Dec 2024 |
| 28973 | CULLEN | Andrews County, TX | Oil & Gas Property | Nov 2025 |
| 28974 | CULLEN | Harrison County, TX | Oil & Gas Property | Nov 2025 |
| 28975 | CULLEN | Alfalfa County, OK | Oil & Gas Property | Nov 2025 |
| 28976 | CULLEN | Okmulgee County, OK | Gas Property | Nov 2014 |
| 28977 | CULLEN | Colorado County, TX | Oil & Gas Property | Nov 2025 |
| 28978 | CULLEN | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 28979 | CULLEN L | Washington County, OH | Gas Property | Dec 2024 |
| 28980 | CULLEN UNIT A | Live Oak County, TX | Oil & Gas Property | Nov 2025 |
| 28981 | CULLEN-H | Colorado County, TX | Oil & Gas Property | Nov 2025 |
| 28982 | CULLER | Gray County, TX | Oil & Gas Property | Nov 2025 |
| 28983 | CULLER I | Ashland County, OH | Oil Property | Dec 2024 |
| 28984 | CULLERS | Young County, TX | Oil & Gas Property | Feb 2005 |
| 28985 | CULLERS J. EDGAR GAS UNIT | Rusk County, TX | Oil & Gas Property | Nov 2025 |
| 28986 | CULLEY | Seminole County, OK | Oil Property | Nov 2019 |
| 28987 | CULLEY | Graham County, KS | Oil Property | Jun 2025 |
| 28988 | CULLI | Bee County, TX | Oil & Gas Property | Mar 2019 |
| 28989 | CULLINAN FEE | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 28990 | CULLINS FEDERAL | Rio Arriba County, NM | Oil & Gas Property | Nov 2025 |
| 28991 | CULLISON | Johnson County, TX | Gas Property | Nov 2025 |
| 28992 | CULLISON | Stevens County, KS | Oil & Gas Property | Sep 2025 |
| 28993 | CULLISON | Licking County, OH | Oil & Gas Property | Dec 2024 |
| 28994 | CULLISON | Licking County, OH | Oil & Gas Property | Dec 2010 |
| 28995 | CULLISON | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 28996 | CULLISON 2 | Stevens County, KS | Oil Property | Jul 2025 |
| 28997 | CULLUM | Wichita County, TX | Oil Property | Nov 2025 |
| 28998 | CULLUM | Gray County, TX | Oil & Gas Property | Nov 2025 |
| 28999 | CULLUM | Wichita County, TX | Oil & Gas Property | Mar 2010 |
| 29000 | CULLUM | Wheeler County, TX | Oil & Gas Property | Nov 2025 |