| 6001 | CLC 3 | Jefferson County, AL | Gas Property | Oct 2025 |
| 6002 | CLC RED W 15 | Weld County, CO | Oil & Gas Property | Nov 2018 |
| 6003 | CLCC 2 | Collier County, FL | Oil & Gas Property | Oct 2018 |
| 6004 | CLD 2 | Caddo Parish, LA | Gas Property | Dec 2024 |
| 6005 | CLD 9248 | Caddo Parish, LA | Oil & Gas Property | Feb 1988 |
| 6006 | CLDC (02-17 | Tioga County, PA | Gas Property | Nov 2025 |
| 6007 | CLEAN HARBORS 1 | Major County, OK | Oil & Gas Property | Oct 2025 |
| 6008 | CLEANERS HANG | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 6009 | CLEAR CREEK | Emery County, UT | Gas Property | May 1964 |
| 6010 | CLEAR CREEK | Kingfisher County, OK | Oil & Gas Property | Oct 2025 |
| 6011 | CLEAR CREEK | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 6012 | CLEAR CREEK | Latimer County, OK | Gas Property | Oct 2025 |
| 6013 | CLEAR CREEK | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 6014 | CLEAR CREEK | Johnson County, TX | Gas Property | Nov 2025 |
| 6015 | CLEAR CREEK 152-96-34 | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 6016 | CLEAR CREEK STATE FOREST | Jefferson County, PA | Gas Property | Nov 2025 |
| 6017 | CLEAR CREEK-MADISON UNIT | McKenzie County, ND | Oil & Gas Property | Apr 2025 |
| 6018 | CLEAR FORK COAL CO | Raleigh County, WV | Gas Property | Dec 2021 |
| 6019 | CLEAR LAKE GU 1H | Marion County, TX | Oil & Gas Property | Nov 2025 |
| 6020 | CLEAR RUN STATE FOREST | Jefferson County, PA | Oil & Gas Property | Dec 2024 |
| 6021 | CLEAR SKIES | Tarrant County, TX | Gas Property | Nov 2025 |
| 6022 | CLEAR SPRING DAIRY | Bradford County, PA | Gas Property | Nov 2025 |
| 6023 | CLEAR SPRINGS SWDW | Franklin County, MS | Oil & Gas Property | Apr 1978 |
| 6024 | CLEARBEE 29 | Midland County, TX | Oil & Gas Property | Nov 2025 |
| 6025 | CLEARFIELD & JEFFERSON | Clearfield County, PA | Gas Property | Dec 2024 |
| 6026 | CLEARFIELD BITUMINOUS COAL CO | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 6027 | CLEARFIELD BITUMINOUS COAL CO | Indiana County, PA | Gas Property | Dec 2024 |
| 6028 | CLEARFIELD/BITUM | Cambria County, PA | Oil & Gas Property | Dec 2024 |
| 6029 | CLEARFORK UNIT 1H | Montague County, TX | Oil & Gas Property | Nov 2025 |
| 6030 | CLEARVIEW | Okfuskee County, OK | Oil & Gas Property | Oct 2025 |
| 6031 | CLEARVIEW 1605 | Kingfisher County, OK | Oil & Gas Property | Oct 2025 |
| 6032 | CLEARVIEW HUNTING CLUB A | Lycoming County, PA | Gas Property | Nov 2025 |
| 6033 | CLEARWATER | Mountrail County, ND | Oil & Gas Property | Dec 2025 |
| 6034 | CLEARWATER | Mountrail County, ND | Oil & Gas Property | Dec 2025 |
| 6035 | CLEARWATER | Mountrail County, ND | Oil & Gas Property | Dec 2025 |
| 6036 | CLEARWATER 1 | Mountrail County, ND | Oil & Gas Property | Dec 2025 |
| 6037 | CLEARWATER 1 | Mountrail County, ND | Oil & Gas Property | Dec 2025 |
| 6038 | CLEARWATER 26-28-14 | Woods County, OK | Oil & Gas Property | Oct 2025 |
| 6039 | CLEARY | Noble County, OH | Oil & Gas Property | Dec 1992 |
| 6040 | CLEARY | Kiowa County, OK | Oil & Gas Property | Oct 2025 |
| 6041 | CLEARY AKC FEDERAL | Lea County, NM | Oil & Gas Property | May 2005 |
| 6042 | CLEARY GAS UNIT | Kearny County, KS | Gas Property | Sep 2025 |
| 6043 | CLEAVELAND | Eddy County, NM | Oil & Gas Property | Nov 2025 |
| 6044 | CLEAVENGER | Barbour County, WV | Oil & Gas Property | Dec 2021 |
| 6045 | CLEAVER | Oklahoma County, OK | Oil & Gas Property | Nov 2025 |
| 6046 | CLEAVER 1-30H | Richland County, MT | Oil & Gas Property | Nov 2025 |
| 6047 | CLEBURNE | Grady County, OK | Oil & Gas Property | Oct 2025 |
| 6048 | CLEBURNE PROPANE | Johnson County, TX | Gas Property | Nov 2025 |
| 6049 | CLEBURNE STATE PARK | Johnson County, TX | Oil & Gas Property | Nov 2025 |
| 6050 | CLECKLER 1-1H | Pittsburg County, OK | Gas Property | Oct 2025 |
| 6051 | CLECKLER L. N | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 6052 | CLEER, CHARLES | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 6053 | CLEERE | Seminole County, OK | Gas Property | Nov 2025 |
| 6054 | CLEETWOOD | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 6055 | CLEGG | Crockett County, TX | Oil & Gas Property | Nov 2025 |
| 6056 | CLEGG | Creek County, OK | Oil Property | Feb 2024 |
| 6057 | CLEGG | Monroe County, OH | Oil Property | Dec 2024 |
| 6058 | CLEGG 722 | Lycoming County, PA | Gas Property | Nov 2025 |
| 6059 | CLEGG ELOISE | Crockett County, TX | Oil & Gas Property | Nov 2025 |
| 6060 | CLEGG, ELOISE CARSON ET VIR | Crockett County, TX | Gas Property | Nov 2025 |
| 6061 | CLELAND 15 | Weld County, CO | Oil & Gas Property | Dec 2024 |
| 6062 | CLELLAND, PAUL | Tyler County, WV | Oil & Gas Property | Dec 2021 |
| 6063 | CLEM | Ochiltree County, TX | Oil & Gas Property | Aug 2025 |
| 6064 | CLEM | Garfield County, CO | Oil & Gas Property | Dec 2024 |
| 6065 | CLEM | Dewey County, OK | Oil & Gas Property | Oct 2025 |
| 6066 | CLEM #1 | Ellis County, OK | Oil & Gas Property | Oct 2025 |
| 6067 | CLEM JR. 15 | Garfield County, CO | Oil & Gas Property | Dec 2024 |
| 6068 | CLEM MCGHEE | Anderson County, KS | Oil Property | Sep 2025 |
| 6069 | CLEMANS-GREEN | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 6070 | CLEMENS | Parker County, TX | Oil & Gas Property | Nov 2025 |
| 6071 | CLEMENS | Coshocton County, OH | Oil & Gas Property | Dec 2021 |
| 6072 | CLEMENS | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 6073 | CLEMENS | Seneca County, NY | Gas Property | Dec 2024 |
| 6074 | CLEMENS | Labette County, KS | Gas Property | Sep 2025 |
| 6075 | CLEMENS | Gregg County, TX | Oil & Gas Property | Nov 2025 |
| 6076 | CLEMENS 34-9TFH | Billings County, ND | Oil & Gas Property | Dec 2025 |
| 6077 | CLEMENS BECKER | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 6078 | CLEMENS FETTIG 21-27TFH | Dunn County, ND | Oil & Gas Property | Dec 2025 |
| 6079 | CLEMENS STATE | Brazoria County, TX | Oil & Gas Property | Feb 2025 |
| 6080 | CLEMENS UNIT | Upshur County, TX | Oil & Gas Property | Nov 2025 |
| 6081 | CLEMENS-CASTLEBERRY 1H | Gregg County, TX | Oil & Gas Property | Nov 2025 |
| 6082 | CLEMENT | Weld County, CO | Oil & Gas Property | Oct 2024 |
| 6083 | CLEMENT | Ochiltree County, TX | Oil & Gas Property | Jul 2022 |
| 6084 | CLEMENT | Wilson County, TX | Oil & Gas Property | Nov 2025 |
| 6085 | CLEMENT HEARD | Refugio County, TX | Oil & Gas Property | Nov 2025 |
| 6086 | CLEMENT UNIT | Montague County, TX | Oil & Gas Property | Nov 2025 |
| 6087 | CLEMENT W. W | Atascosa County, TX | Oil & Gas Property | Nov 2025 |
| 6088 | CLEMENTE | Greene County, PA | Gas Property | Nov 2025 |
| 6089 | CLEMENTE | Fresno County, CA | Oil & Gas Property | Jun 2009 |
| 6090 | CLEMENTINE | Creek County, OK | Oil & Gas Property | Jul 2025 |
| 6091 | CLEMENTINE 5693 44-35T | Mountrail County, ND | Oil & Gas Property | Dec 2025 |
| 6092 | CLEMENTS | Saline County, KS | Oil Property | Dec 1992 |
| 6093 | CLEMENTS | Johnson County, TX | Oil & Gas Property | Nov 2025 |
| 6094 | CLEMENTS | Claiborne Parish, LA | Oil & Gas Property | Sep 2017 |
| 6095 | CLEMENTS | Union County, KY | Oil & Gas Property | Dec 2023 |
| 6096 | CLEMENTS | Tarrant County, TX | Gas Property | Nov 2025 |
| 6097 | CLEMENTS | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 6098 | CLEMENTS | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 6099 | CLEMENTS | Roger Mills County, OK | Oil & Gas Property | Oct 2025 |
| 6100 | CLEMENTS | Union County, KY | Oil Property | Dec 2023 |