| 5901 | CLENNY | Hughes County, OK | Oil & Gas Property | May 2012 |
| 5902 | CLEO | Smith County, TX | Oil & Gas Property | Jan 2025 |
| 5903 | CLEO | Graham County, KS | Oil Property | Dec 2024 |
| 5904 | CLEO | Stephens County, OK | Oil & Gas Property | Feb 2025 |
| 5905 | CLEO | McKenzie County, ND | Oil & Gas Property | Mar 2025 |
| 5906 | CLEO 31X-5 | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 5907 | CLEO CAMPBELL UNIT | Woods County, OK | Gas Property | Jul 2024 |
| 5908 | CLEO FED 3672-24 | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 5909 | CLEO PRATT | Union Parish, LA | Gas Property | Jul 2024 |
| 5910 | CLEOFF 8-1-2 MBH-ULW | McKenzie County, ND | Oil & Gas Property | Mar 2025 |
| 5911 | CLEOFILL 1 | McKenzie County, ND | Oil & Gas Property | Mar 2025 |
| 5912 | CLEONA | Caddo County, OK | Oil & Gas Property | Jan 2025 |
| 5913 | CLEOPATRA | Starr County, TX | Oil & Gas Property | Jan 2025 |
| 5914 | CLEOPATRA UNIT I | Lee County, TX | Oil & Gas Property | Jan 2025 |
| 5915 | CLEORA | Pittsburg County, OK | Gas Property | Nov 2024 |
| 5916 | CLEPPER | Armstrong County, PA | Gas Property | Feb 2025 |
| 5917 | CLERIHEW | Jack County, TX | Oil & Gas Property | Jan 2025 |
| 5918 | CLERIHEW | Jack County, TX | Oil Property | Dec 2024 |
| 5919 | CLESTER | Blaine County, OK | Oil & Gas Property | Jan 2025 |
| 5920 | CLETCHER | Weld County, CO | Oil & Gas Property | Jan 2018 |
| 5921 | CLETUS | Kay County, OK | Oil & Gas Property | Jan 2025 |
| 5922 | CLETUS 28 21 | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 5923 | CLETUS 28 STATE COM | Eddy County, NM | Oil & Gas Property | Oct 2015 |
| 5924 | CLEVELAND | Anderson County, KS | Oil Property | Dec 2024 |
| 5925 | CLEVELAND | Yoakum County, TX | Oil & Gas Property | Jan 2025 |
| 5926 | CLEVELAND | Wayne County, OH | Oil & Gas Property | Dec 2024 |
| 5927 | CLEVELAND | Lipscomb County, TX | Oil & Gas Property | Mar 2013 |
| 5928 | CLEVELAND | Johnson County, TX | Oil & Gas Property | Nov 2024 |
| 5929 | CLEVELAND | Grady County, OK | Oil Property | Oct 2024 |
| 5930 | CLEVELAND | Caddo Parish, LA | Oil Property | Jan 2025 |
| 5931 | CLEVELAND | Hemphill County, TX | Oil & Gas Property | Jan 2025 |
| 5932 | CLEVELAND | Matagorda County, TX | Oil & Gas Property | Jan 2025 |
| 5933 | CLEVELAND | Lafayette County, AR | Oil & Gas Property | Sep 2024 |
| 5934 | CLEVELAND | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 5935 | CLEVELAND | Wayne County, OH | Oil & Gas Property | Dec 2024 |
| 5936 | CLEVELAND | Hemphill County, TX | Oil & Gas Property | Jan 2025 |
| 5937 | CLEVELAND | San Juan County, NM | Gas Property | Feb 2025 |
| 5938 | CLEVELAND | Grimes County, TX | Oil & Gas Property | Dec 2024 |
| 5939 | CLEVELAND 1805 | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 5940 | CLEVELAND 43 | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 5941 | CLEVELAND 5 | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 5942 | CLEVELAND B | Harrison County, OH | Oil & Gas Property | Dec 2024 |
| 5943 | CLEVELAND BOY SCOUTS OF AMERICA | Lorain County, OH | Oil & Gas Property | Dec 2024 |
| 5944 | CLEVELAND CATHOLIC | Medina County, OH | Oil & Gas Property | Dec 1995 |
| 5945 | CLEVELAND FEDERAL | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 5946 | CLEVELAND HELEN | Parker County, TX | Oil & Gas Property | Jan 2025 |
| 5947 | CLEVELAND HIGHLAND | Cuyahoga County, OH | Oil & Gas Property | Dec 2024 |
| 5948 | CLEVELAND METROP | Medina County, OH | Oil & Gas Property | Dec 2024 |
| 5949 | CLEVELAND QUARRIES | Erie County, OH | Oil & Gas Property | Dec 2024 |
| 5950 | CLEVELAND R | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 5951 | CLEVELAND R | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 5952 | CLEVELAND STATE 57-23 | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 5953 | CLEVELAND TAYLOR UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 5954 | CLEVELAND W | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 5955 | CLEVELAND WAYNE ET AL C | Hemphill County, TX | Oil & Gas Property | Jan 2025 |
| 5956 | CLEVELAND/SENECA GOLF COURSE | Cuyahoga County, OH | Oil & Gas Property | Dec 2024 |
| 5957 | CLEVEN | Bottineau County, ND | Oil & Gas Property | Feb 2025 |
| 5958 | CLEVENGER | Neosho County, KS | Gas Property | Dec 2024 |
| 5959 | CLEVENGER | Pike County, KY | Gas Property | Dec 2019 |
| 5960 | CLEVENGER 1 | Ford County, KS | Oil & Gas Property | Dec 2024 |
| 5961 | CLEVENGER, CLYDE 3 | Ritchie County, WV | Oil & Gas Property | Dec 2004 |
| 5962 | CLEVIDENCE, S V | Union County, KY | Oil Property | Dec 2023 |
| 5963 | CLEVY 1 | Moore County, TX | Oil & Gas Property | Jan 2025 |
| 5964 | CLICK | Cherokee County, TX | Oil & Gas Property | Dec 2024 |
| 5965 | CLICK | Howard County, TX | Oil & Gas Property | Dec 2024 |
| 5966 | CLICK ROGER W | Wilson County, TX | Oil & Gas Property | Nov 2022 |
| 5967 | CLICK-CHEVRON 14-11 | Howard County, TX | Oil & Gas Property | Dec 2024 |
| 5968 | CLIFF 5 | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 5969 | CLIFF FEE 4 | Culberson County, TX | Oil & Gas Property | Jan 2025 |
| 5970 | CLIFF WILLIAMS | Payne County, OK | Oil Property | Oct 2024 |
| 5971 | CLIFFHANGER | Fayette County, TX | Oil & Gas Property | Jan 2025 |
| 5972 | CLIFFORD | Hemphill County, TX | Oil & Gas Property | Jan 2025 |
| 5973 | CLIFFORD | Adams County, MS | Oil & Gas Property | Jun 1983 |
| 5974 | CLIFFORD | Mountrail County, ND | Oil & Gas Property | Feb 2025 |
| 5975 | CLIFFORD & CLETUS TROYER | Erie County, PA | Gas Property | Dec 2019 |
| 5976 | CLIFFORD 24-8TFH | Dunn County, ND | Oil & Gas Property | Feb 2025 |
| 5977 | CLIFFORD 36-26-12 | Alfalfa County, OK | Oil & Gas Property | Jan 2025 |
| 5978 | CLIFFORD ADD | Eddy County, NM | Oil & Gas Property | Mar 2022 |
| 5979 | CLIFFORD CAUSEY | Adams County, CO | Oil & Gas Property | Feb 2025 |
| 5980 | CLIFFORD CHANEY | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 5981 | CLIFFORD F. SPIES G | Dewitt County, TX | Oil & Gas Property | Mar 2022 |
| 5982 | CLIFFORD GENE 1-12H | Mountrail County, ND | Oil & Gas Property | Feb 2025 |
| 5983 | CLIFFORD GLAS | Forest County, PA | Oil & Gas Property | Dec 2024 |
| 5984 | CLIFFORD H HUFFMAN | Armstrong County, PA | Gas Property | Dec 2024 |
| 5985 | CLIFFORD L | Weld County, CO | Oil & Gas Property | Mar 2021 |
| 5986 | CLIFFORD MAZE | Warren County, PA | Oil & Gas Property | Dec 2020 |
| 5987 | CLIFFORD P. FLEMING | Indiana County, PA | Gas Property | Dec 2024 |
| 5988 | CLIFFORD TRUST | Kern County, CA | Oil Property | Dec 2024 |
| 5989 | CLIFFORD UNIT | Cooke County, TX | Oil & Gas Property | Jul 2020 |
| 5990 | CLIFFORD, JOHN | Warren County, KY | Oil Property | Dec 2008 |
| 5991 | CLIFFORD-PARKER | Toole County, MT | Oil Property | Jun 1989 |
| 5992 | CLIFFSIDE FEDERAL 12-11H | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 5993 | CLIFFSIDE FEDERAL 25-26H | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 5994 | CLIFFSTAR | Chautauqua County, NY | Gas Property | Dec 2023 |
| 5995 | CLIFFT | Hughes County, OK | Oil & Gas Property | Jan 2025 |
| 5996 | CLIFT | Custer County, OK | Oil & Gas Property | Jan 2025 |
| 5997 | CLIFT | Kay County, OK | Oil & Gas Property | Jan 2025 |
| 5998 | CLIFT | Caddo County, OK | Gas Property | Jan 2025 |
| 5999 | CLIFT BEN | Guadalupe County, TX | Oil & Gas Property | Aug 2024 |
| 6000 | CLIFT J. D | Guadalupe County, TX | Oil & Gas Property | Jul 2019 |