| 5901 | CLEAR CREEK STATE FOREST | Jefferson County, PA | Gas Property | May 2025 |
| 5902 | CLEAR CREEK-MADISON UNIT | McKenzie County, ND | Oil & Gas Property | Apr 2025 |
| 5903 | CLEAR FORK COAL CO | Raleigh County, WV | Gas Property | Dec 2021 |
| 5904 | CLEAR RUN STATE FOREST | Jefferson County, PA | Oil & Gas Property | Dec 2024 |
| 5905 | CLEAR SPRING DAIRY | Bradford County, PA | Gas Property | May 2025 |
| 5906 | CLEAR SPRINGS SWDW | Franklin County, MS | Oil & Gas Property | Apr 1978 |
| 5907 | CLEARBEE 29 | Midland County, TX | Oil & Gas Property | May 2025 |
| 5908 | CLEARFIELD & JEFFERSON | Clearfield County, PA | Gas Property | Dec 2024 |
| 5909 | CLEARFIELD BITUMINOUS COAL CO | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 5910 | CLEARFIELD BITUMINOUS COAL CO | Indiana County, PA | Gas Property | Dec 2024 |
| 5911 | CLEARFIELD/BITUM | Cambria County, PA | Oil & Gas Property | Dec 2024 |
| 5912 | CLEARVIEW | Okfuskee County, OK | Oil & Gas Property | Jan 2025 |
| 5913 | CLEARVIEW 1605 | Kingfisher County, OK | Oil & Gas Property | Apr 2025 |
| 5914 | CLEARVIEW HUNTING CLUB A | Lycoming County, PA | Gas Property | May 2025 |
| 5915 | CLEARWATER | Mountrail County, ND | Oil & Gas Property | Jun 2025 |
| 5916 | CLEARWATER | Butler County, KS | Oil Property | Jul 1990 |
| 5917 | CLEARWATER | Mountrail County, ND | Oil & Gas Property | Jun 2025 |
| 5918 | CLEARWATER | Mountrail County, ND | Oil & Gas Property | Jun 2025 |
| 5919 | CLEARWATER 1 | Mountrail County, ND | Oil & Gas Property | Jun 2025 |
| 5920 | CLEARWATER 1 | Mountrail County, ND | Oil & Gas Property | Jun 2025 |
| 5921 | CLEARWATER 26-28-14 | Woods County, OK | Oil & Gas Property | Apr 2025 |
| 5922 | CLEARY | Kiowa County, OK | Oil & Gas Property | Apr 2025 |
| 5923 | CLEARY AKC FEDERAL | Lea County, NM | Oil & Gas Property | May 2005 |
| 5924 | CLEARY GAS UNIT | Kearny County, KS | Gas Property | Apr 2025 |
| 5925 | CLEAVELAND | Eddy County, NM | Oil & Gas Property | Apr 2025 |
| 5926 | CLEAVENGER | Barbour County, WV | Oil & Gas Property | Dec 2021 |
| 5927 | CLEAVER | Oklahoma County, OK | Oil & Gas Property | May 2025 |
| 5928 | CLEAVER 1-30H | Richland County, MT | Oil & Gas Property | May 2025 |
| 5929 | CLEBURNE | Grady County, OK | Oil & Gas Property | Apr 2025 |
| 5930 | CLEBURNE PROPANE | Johnson County, TX | Gas Property | Oct 2024 |
| 5931 | CLEBURNE STATE PARK | Johnson County, TX | Oil & Gas Property | May 2025 |
| 5932 | CLECKLER L. N | Wise County, TX | Oil & Gas Property | May 2025 |
| 5933 | CLEER, CHARLES | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 5934 | CLEERE | Seminole County, OK | Gas Property | Jan 2025 |
| 5935 | CLEETWOOD | McKenzie County, ND | Oil & Gas Property | Jun 2025 |
| 5936 | CLEGG | Crockett County, TX | Oil & Gas Property | May 2025 |
| 5937 | CLEGG | Creek County, OK | Oil Property | Feb 2024 |
| 5938 | CLEGG | Monroe County, OH | Oil Property | Dec 2024 |
| 5939 | CLEGG 722 | Lycoming County, PA | Gas Property | May 2025 |
| 5940 | CLEGG ELOISE | Crockett County, TX | Oil & Gas Property | May 2025 |
| 5941 | CLEGG, ELOISE CARSON ET VIR | Crockett County, TX | Gas Property | May 2025 |
| 5942 | CLELAND 15 | Weld County, CO | Oil & Gas Property | Jun 2025 |
| 5943 | CLELLAND, PAUL | Tyler County, WV | Oil & Gas Property | Dec 2021 |
| 5944 | CLEM | Ochiltree County, TX | Oil & Gas Property | Apr 2025 |
| 5945 | CLEM | Garfield County, CO | Oil & Gas Property | May 2025 |
| 5946 | CLEM | Dewey County, OK | Oil & Gas Property | Apr 2025 |
| 5947 | CLEM #1 | Ellis County, OK | Oil & Gas Property | Apr 2025 |
| 5948 | CLEM JR. 15 | Garfield County, CO | Oil & Gas Property | May 2025 |
| 5949 | CLEM MCGHEE | Anderson County, KS | Oil Property | Apr 2025 |
| 5950 | CLEMANS-GREEN | Wise County, TX | Oil & Gas Property | May 2025 |
| 5951 | CLEMENS | Parker County, TX | Oil & Gas Property | May 2025 |
| 5952 | CLEMENS | Coshocton County, OH | Oil & Gas Property | Dec 2021 |
| 5953 | CLEMENS | McKenzie County, ND | Oil & Gas Property | Jun 2025 |
| 5954 | CLEMENS | Seneca County, NY | Gas Property | Dec 2024 |
| 5955 | CLEMENS | Labette County, KS | Gas Property | Apr 2025 |
| 5956 | CLEMENS | Gregg County, TX | Oil & Gas Property | May 2025 |
| 5957 | CLEMENS 34-9TFH | Billings County, ND | Oil & Gas Property | Jun 2025 |
| 5958 | CLEMENS BECKER | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 5959 | CLEMENS STATE | Brazoria County, TX | Oil & Gas Property | Feb 2025 |
| 5960 | CLEMENS UNIT | Upshur County, TX | Oil & Gas Property | May 2025 |
| 5961 | CLEMENS-CASTLEBERRY 1H | Gregg County, TX | Oil & Gas Property | Apr 2025 |
| 5962 | CLEMENT | Weld County, CO | Oil & Gas Property | Oct 2024 |
| 5963 | CLEMENT | Ochiltree County, TX | Oil & Gas Property | Jul 2022 |
| 5964 | CLEMENT | Wilson County, TX | Oil & Gas Property | May 2025 |
| 5965 | CLEMENT HEARD | Refugio County, TX | Oil & Gas Property | May 2025 |
| 5966 | CLEMENT UNIT | Montague County, TX | Oil & Gas Property | May 2025 |
| 5967 | CLEMENT W. W | Atascosa County, TX | Oil & Gas Property | May 2025 |
| 5968 | CLEMENTE | Greene County, PA | Gas Property | May 2025 |
| 5969 | CLEMENTE | Fresno County, CA | Oil & Gas Property | Jun 2009 |
| 5970 | CLEMENTINE | Creek County, OK | Oil & Gas Property | Jan 2025 |
| 5971 | CLEMENTINE 5693 44-35T | Mountrail County, ND | Oil & Gas Property | Jun 2025 |
| 5972 | CLEMENTS | Saline County, KS | Oil Property | Dec 1992 |
| 5973 | CLEMENTS | Johnson County, TX | Oil & Gas Property | May 2025 |
| 5974 | CLEMENTS | Claiborne Parish, LA | Oil & Gas Property | Sep 2017 |
| 5975 | CLEMENTS | Union County, KY | Oil & Gas Property | Dec 2023 |
| 5976 | CLEMENTS | Tarrant County, TX | Gas Property | Jul 2024 |
| 5977 | CLEMENTS | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 5978 | CLEMENTS | Martin County, TX | Oil & Gas Property | May 2025 |
| 5979 | CLEMENTS | Roger Mills County, OK | Oil & Gas Property | Apr 2025 |
| 5980 | CLEMENTS | Union County, KY | Oil Property | Dec 2023 |
| 5981 | CLEMENTS | Panola County, TX | Oil & Gas Property | May 2025 |
| 5982 | CLEMENTS | Ward County, TX | Oil & Gas Property | Jul 2021 |
| 5983 | CLEMENTS | Gregg County, TX | Oil & Gas Property | May 2025 |
| 5984 | CLEMENTS ALLOCATION | Borden County, TX | Oil & Gas Property | May 2025 |
| 5985 | CLEMENTS G | Jackson County, TX | Oil & Gas Property | Apr 2025 |
| 5986 | CLEMENTS G | Harrison County, TX | Oil & Gas Property | May 2025 |
| 5987 | CLEMENTS L. C | Ochiltree County, TX | Oil & Gas Property | Mar 2023 |
| 5988 | CLEMENTS W. M | Gregg County, TX | Oil & Gas Property | May 2025 |
| 5989 | CLEMENTS, MARGARET P | Union County, KY | Oil Property | Aug 2019 |
| 5990 | CLEMMER | Fayette County, PA | Gas Property | Dec 2024 |
| 5991 | CLEMMER | Jones County, TX | Oil & Gas Property | Apr 2025 |
| 5992 | CLEMMONS 1 | Sequoyah County, OK | Gas Property | Apr 2025 |
| 5993 | CLEMMONS 1 | Tyler County, TX | Oil & Gas Property | May 2025 |
| 5994 | CLEMMONS SUNBURST FEDERAL | Lea County, NM | Oil & Gas Property | Jun 2025 |
| 5995 | CLEMONS | Weld County, CO | Oil & Gas Property | Jan 2021 |
| 5996 | CLEMONS 1 | Pittsburg County, OK | Gas Property | Jun 2019 |
| 5997 | CLEMONS GAS UNIT NO. 1 | Hidalgo County, TX | Oil & Gas Property | May 2025 |
| 5998 | CLEMONS UNIT | Karnes County, TX | Oil & Gas Property | May 2025 |
| 5999 | CLENDENEN | Kern County, CA | Oil Property | Mar 2019 |
| 6000 | CLENNEY | Beaver County, OK | Oil & Gas Property | Apr 2025 |