| 26001 | CONSOLIDATION COAL C | Muskingum County, OH | Oil & Gas Property | Dec 2024 |
| 26002 | CONSOLIDATION COAL CO | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 26003 | CONSOLIDATION COAL CO | Allegheny County, PA | Oil & Gas Property | Dec 2024 |
| 26004 | CONSOLIDATION COAL CO | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 26005 | CONSOLIDATION COAL CO | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 26006 | CONSOLIDATION COAL CO | Marshall County, WV | Oil & Gas Property | Dec 2021 |
| 26007 | CONSOLIDATION COAL CO | Allegheny County, PA | Gas Property | Dec 2024 |
| 26008 | CONSOLIDATION COAL CO | Monongalia County, WV | Gas Property | Dec 2019 |
| 26009 | CONSOLIDATION COAL COM | Marshall County, WV | Gas Property | Dec 2021 |
| 26010 | CONSOLIDATION COAL COMPANY FORK RIDGE MSH | Marshall County, WV | Oil & Gas Property | Dec 2021 |
| 26011 | CONST | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 26012 | CONSTANCE | Ector County, TX | Oil & Gas Property | May 2025 |
| 26013 | CONSTANCE | Richland County, MT | Oil & Gas Property | May 2025 |
| 26014 | CONSTANCE A TAYLOR CONSTANCE TAYLOR WTZ | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 26015 | CONSTANCE-STONEY BUTTE HSU | Richland County, MT | Oil & Gas Property | May 2025 |
| 26016 | CONSTANT | Pontotoc County, OK | Oil Property | Feb 2025 |
| 26017 | CONSTANTAN 34-174 (N) | Ward County, TX | Oil & Gas Property | May 2025 |
| 26018 | CONSTANTIN 3 | Alfalfa County, OK | Oil & Gas Property | Apr 2025 |
| 26019 | CONSTANTINE | Fayette County, TX | Oil & Gas Property | Apr 2025 |
| 26020 | CONSTANTINE | Fayette County, PA | Oil & Gas Property | Dec 2024 |
| 26021 | CONSTATE | Eddy County, NM | Oil & Gas Property | Apr 2022 |
| 26022 | CONSTELLATION 8 | Garfield County, OK | Oil & Gas Property | Sep 2011 |
| 26023 | CONSTIEN 1-11H | Caddo County, OK | Gas Property | Apr 2025 |
| 26024 | CONSTITUTION | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 26025 | CONSTITUTION 6-25-11 | Alfalfa County, OK | Oil & Gas Property | Apr 2025 |
| 26026 | CONSTITUTION FEDERAL LC21-6 | Weld County, CO | Oil & Gas Property | May 2025 |
| 26027 | CONSUMER | Trumbull County, OH | Oil & Gas Property | Dec 2024 |
| 26028 | CONT | Toole County, MT | Gas Property | Apr 2025 |
| 26029 | CONT CAN | Bienville Parish, LA | Oil & Gas Property | Dec 2024 |
| 26030 | CONTAINER CORP | Monroe County, AL | Oil & Gas Property | Feb 1994 |
| 26031 | CONTAINER CORP. OF AMERICA | Escambia County, AL | Oil & Gas Property | Apr 2015 |
| 26032 | CONTI | Chautauqua County, NY | Gas Property | Dec 2024 |
| 26033 | CONTINENTAL | Rio Blanco County, CO | Oil & Gas Property | Jul 2022 |
| 26034 | CONTINENTAL | Comanche County, OK | Oil Property | Dec 2023 |
| 26035 | CONTINENTAL | Caddo County, OK | Oil Property | Sep 2024 |
| 26036 | CONTINENTAL | Bienville Parish, LA | Oil & Gas Property | Jul 2000 |
| 26037 | CONTINENTAL | Fresno County, CA | Oil Property | Apr 2025 |
| 26038 | CONTINENTAL | Eddy County, NM | Oil & Gas Property | May 2025 |
| 26039 | CONTINENTAL | Toole County, MT | Gas Property | Apr 2025 |
| 26040 | CONTINENTAL | Winkler County, TX | Oil & Gas Property | Mar 2023 |
| 26041 | CONTINENTAL | Eddy County, NM | Oil & Gas Property | Mar 2018 |
| 26042 | CONTINENTAL | Fresno County, CA | Oil Property | Jun 2025 |
| 26043 | CONTINENTAL | Toole County, MT | Oil & Gas Property | Apr 2025 |
| 26044 | CONTINENTAL | Jack County, TX | Oil & Gas Property | Mar 2025 |
| 26045 | CONTINENTAL | Archer County, TX | Oil & Gas Property | Apr 2025 |
| 26046 | CONTINENTAL | Bienville Parish, LA | Oil & Gas Property | May 1979 |
| 26047 | CONTINENTAL | Jackson Parish, LA | Oil & Gas Property | Sep 2015 |
| 26048 | CONTINENTAL APJ FEDERAL | Lea County, NM | Oil & Gas Property | Jun 2024 |
| 26049 | CONTINENTAL CAN | Bienville Parish, LA | Oil & Gas Property | Oct 2017 |
| 26050 | CONTINENTAL CAN | Bienville Parish, LA | Oil & Gas Property | Jul 2001 |
| 26051 | CONTINENTAL CAN | Bienville Parish, LA | Oil & Gas Property | Feb 1999 |
| 26052 | CONTINENTAL CAN CO | Bienville Parish, LA | Oil & Gas Property | Dec 2017 |
| 26053 | CONTINENTAL FALLS CO. ABC | Archer County, TX | Oil & Gas Property | Jun 2023 |
| 26054 | CONTINENTAL SANFORD | Hutchinson County, TX | Oil & Gas Property | May 2022 |
| 26055 | CONTINENTAL SEC | Bossier Parish, LA | Oil & Gas Property | Dec 2024 |
| 26056 | CONTINENTAL STATE | Lea County, NM | Oil & Gas Property | Nov 1996 |
| 26057 | CONTINENTAL STRAIN | Scurry County, TX | Oil & Gas Property | May 2025 |
| 26058 | CONTINENTAL-HALLEY | Winkler County, TX | Oil & Gas Property | Apr 2025 |
| 26059 | CONTL. STATE BANK | Gregg County, TX | Oil & Gas Property | May 2025 |
| 26060 | CONTOUR | Ellis County, OK | Oil & Gas Property | Sep 2018 |
| 26061 | CONVERSE | Haskell County, KS | Oil & Gas Property | Apr 2025 |
| 26062 | CONVERSE | Hansford County, TX | Oil & Gas Property | May 2025 |
| 26063 | CONVERSE | Ventura County, CA | Oil & Gas Property | Nov 2013 |
| 26064 | CONVERSE R. V | Hansford County, TX | Oil & Gas Property | Apr 2025 |
| 26065 | CONVERSE SHEEP | Niobrara County, WY | Oil & Gas Property | Feb 2025 |
| 26066 | CONVILLE | Bienville Parish, LA | Oil & Gas Property | Sep 2019 |
| 26067 | CONVOY 28 STATE COM | Lea County, NM | Oil & Gas Property | May 2025 |
| 26068 | CONVOY BUC STATE | Lea County, NM | Oil & Gas Property | May 2025 |
| 26069 | CONWAY | Chautauqua County, KS | Oil Property | Aug 1991 |
| 26070 | CONWAY | Yolo County, CA | Gas Property | Aug 2009 |
| 26071 | CONWAY | Clay County, TX | Oil & Gas Property | May 2025 |
| 26072 | CONWAY | Noble County, OK | Oil & Gas Property | Sep 2023 |
| 26073 | CONWAY | Jack County, TX | Oil & Gas Property | Apr 2025 |
| 26074 | CONWAY | Shackelford County, TX | Oil & Gas Property | Jan 2018 |
| 26075 | CONWAY | Carter County, OK | Oil Property | Feb 2025 |
| 26076 | CONWAY | Latimer County, OK | Gas Property | Apr 2025 |
| 26077 | CONWAY | Jack County, TX | Oil & Gas Property | May 2025 |
| 26078 | CONWAY | Jack County, TX | Oil & Gas Property | Apr 2025 |
| 26079 | CONWAY 21 | Belmont County, OH | Gas Property | Mar 2025 |
| 26080 | CONWAY HARRIS | Red River Parish, LA | Gas Property | Dec 2024 |
| 26081 | CONWAY, J. W | Reeves County, TX | Oil & Gas Property | Feb 2019 |
| 26082 | CONWILL | Texas County, OK | Oil & Gas Property | Apr 2025 |
| 26083 | CONYERS | Montague County, TX | Oil & Gas Property | May 2025 |
| 26084 | CONZELMAN T | Hardin County, TX | Oil & Gas Property | Dec 2024 |
| 26085 | COODY | Stephens County, TX | Oil & Gas Property | May 2025 |
| 26086 | COODY, G | Stephens County, TX | Oil & Gas Property | Mar 2021 |
| 26087 | COODY-THOMPSON | Stephens County, TX | Oil & Gas Property | May 2025 |
| 26088 | COOGAN FEDERAL | Lea County, NM | Oil & Gas Property | Jan 2018 |
| 26089 | COOK | Red Willow County, NE | Oil Property | Jul 2024 |
| 26090 | COOK | Hughes County, OK | Gas Property | Aug 2023 |
| 26091 | COOK | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 26092 | COOK | Jack County, TX | Oil & Gas Property | Dec 2024 |
| 26093 | COOK | Payne County, OK | Oil Property | Apr 2022 |
| 26094 | COOK | Miami County, KS | Oil Property | Apr 1999 |
| 26095 | COOK | Campbell County, WY | Oil & Gas Property | May 2025 |
| 26096 | COOK | Carter County, OK | Oil & Gas Property | Apr 2025 |
| 26097 | COOK | Haskell County, KS | Gas Property | Apr 2025 |
| 26098 | COOK | Lincoln County, OK | Oil & Gas Property | Mar 2007 |
| 26099 | COOK | Alfalfa County, OK | Oil & Gas Property | May 2025 |
| 26100 | COOK | Russell County, KS | Oil Property | Apr 2025 |