| 41901 | FORT CHADBOURNE ODOM LIME UNIT | Coke County, TX | Oil & Gas Property | Mar 2020 |
| 41902 | FORT CHAFFEE | Sebastian County, AR | Gas Property | Jun 2024 |
| 41903 | FORT CHAFFEE | Sebastian County, AR | Gas Property | Jun 2024 |
| 41904 | FORT CHAFFEE FEDERAL | Sebastian County, AR | Gas Property | May 2024 |
| 41905 | FORT GILBERT | Richland County, MT | Oil & Gas Property | Aug 2024 |
| 41906 | FORT GRIFFIN | Shackelford County, TX | Oil & Gas Property | Aug 2024 |
| 41907 | FORT HAYS STATE | Seward County, KS | Oil Property | May 2008 |
| 41908 | FORT HILL FARMS | Fayette County, PA | Gas Property | Dec 2023 |
| 41909 | FORT KNOX 11-2 | Howard County, TX | Oil & Gas Property | Aug 2024 |
| 41910 | FORT PILLOW 54-4-13 1H | Reeves County, TX | Oil & Gas Property | Aug 2024 |
| 41911 | FORT RENO | Johnson County, WY | Oil & Gas Property | Sep 2024 |
| 41912 | FORT SAINT VRAIN | Weld County, CO | Oil & Gas Property | Apr 2020 |
| 41913 | FORT ST VRAIN | Weld County, CO | Oil & Gas Property | Sep 2019 |
| 41914 | FORT STOCKTON | Pecos County, TX | Oil & Gas Property | Aug 2024 |
| 41915 | FORT STOCKTON-DIXEL RESOURCES | Pecos County, TX | Oil & Gas Property | Aug 2024 |
| 41916 | FORT TRINIDAD DEXTER UNIT | Houston County, TX | Oil & Gas Property | Aug 2024 |
| 41917 | FORT WORTH | Wichita County, TX | Oil Property | Jul 2024 |
| 41918 | FORT WORTH NAT | Dewitt County, TX | Oil & Gas Property | Aug 2022 |
| 41919 | FORTE ET AL UNIT 10-7 #1 | Escambia County, AL | Oil & Gas Property | Jun 2024 |
| 41920 | FORTENBERRY | Dawson County, TX | Oil & Gas Property | Aug 2024 |
| 41921 | FORTENBERRY | Wise County, TX | Oil & Gas Property | Aug 2024 |
| 41922 | FORTENBERRY | Walthall County, MS | Oil & Gas Property | Dec 2011 |
| 41923 | FORTENBERRY A | Dawson County, TX | Oil & Gas Property | Aug 2024 |
| 41924 | FORTERRA | Otsego County, MI | Oil Property | Mar 1992 |
| 41925 | FORTHUN 2-1 | McKenzie County, ND | Oil & Gas Property | Sep 2024 |
| 41926 | FORTIER | Divide County, ND | Oil & Gas Property | Sep 2024 |
| 41927 | FORTIFICATION | Burke County, ND | Oil & Gas Property | Sep 2024 |
| 41928 | FORTIN | Park County, WY | Oil & Gas Property | Sep 2024 |
| 41929 | FORTIN | Decatur County, KS | Oil Property | Jul 2024 |
| 41930 | FORTNER | Stephens County, OK | Oil & Gas Property | Aug 2024 |
| 41931 | FORTNER | Montgomery County, KS | Gas Property | Jul 2024 |
| 41932 | FORTNER HATTIE ET AL | Guadalupe County, TX | Oil & Gas Property | Jun 2024 |
| 41933 | FORTNER, MARIE | Lawrence County, KY | Oil & Gas Property | Dec 2018 |
| 41934 | FORTNEY | Palo Pinto County, TX | Gas Property | Aug 2024 |
| 41935 | FORTRESS | Martin County, TX | Oil & Gas Property | Aug 2024 |
| 41936 | FORTRESS OF SOLITUDE 16-9-4 | Howard County, TX | Oil & Gas Property | Aug 2024 |
| 41937 | FORTRESS STATE UNIT | Culberson County, TX | Oil & Gas Property | Aug 2024 |
| 41938 | FORTSON | Leon County, TX | Oil & Gas Property | Sep 2016 |
| 41939 | FORTSON | Ward County, TX | Oil & Gas Property | Jul 2024 |
| 41940 | FORTSON | Limestone County, TX | Oil & Gas Property | Aug 2024 |
| 41941 | FORTSON | Red River Parish, LA | Oil & Gas Property | Jun 2024 |
| 41942 | FORTSON | Ochiltree County, TX | Oil & Gas Property | Aug 2024 |
| 41943 | FORTSON | Pecos County, TX | Oil & Gas Property | Aug 2024 |
| 41944 | FORTSON GAS UNIT | Ward County, TX | Oil & Gas Property | Aug 2024 |
| 41945 | FORTUNA | Andrews County, TX | Oil & Gas Property | Aug 2024 |
| 41946 | FORTUNA | Humboldt County, CA | Gas Property | Sep 2024 |
| 41947 | FORTUNA | Summit County, OH | Oil & Gas Property | Dec 2016 |
| 41948 | FORTUNE | Reeves County, TX | Oil & Gas Property | Jun 2024 |
| 41949 | FORTUNE | Major County, OK | Oil & Gas Property | Sep 2024 |
| 41950 | FORTUNE | Martin County, TX | Oil & Gas Property | Aug 2024 |
| 41951 | FORTUNE 500 | Ector County, TX | Oil & Gas Property | Jul 2024 |
| 41952 | FORTY NINER RIDGE | Eddy County, NM | Oil & Gas Property | Sep 2024 |
| 41953 | FORWARD | Stevens County, KS | Gas Property | Jul 2024 |
| 41954 | FORWARD | Wichita County, TX | Oil & Gas Property | Jul 2024 |
| 41955 | FORWARD 'A' | Morton County, KS | Oil & Gas Property | Jul 2024 |
| 41956 | FORWARD PASS 25 UNIT | Culberson County, TX | Oil & Gas Property | Aug 2024 |
| 41957 | FORWOOD E | Susquehanna County, PA | Gas Property | Sep 2024 |
| 41958 | FORWOODSON | Latimer County, OK | Gas Property | Aug 2024 |
| 41959 | FOSBERG | Chautauqua County, NY | Oil & Gas Property | Dec 2023 |
| 41960 | FOSHEE | Nacogdoches County, TX | Oil & Gas Property | Aug 2024 |
| 41961 | FOSHEE 07-15 | Conway County, AR | Gas Property | Jul 2024 |
| 41962 | FOSHEE GAS UNIT | Nacogdoches County, TX | Oil & Gas Property | Sep 2019 |
| 41963 | FOSNAUGHT | Stark County, OH | Oil & Gas Property | Dec 2023 |
| 41964 | FOSNIGHT CS | Campbell County, WY | Gas Property | Jul 2015 |
| 41965 | FOSNOT | Marion County, KS | Oil & Gas Property | Jun 2024 |
| 41966 | FOSS | Erie County, NY | Gas Property | Dec 2023 |
| 41967 | FOSS | Weld County, CO | Oil & Gas Property | Apr 2021 |
| 41968 | FOSS | Erie County, NY | Gas Property | Dec 2023 |
| 41969 | FOSS FAMILY TRUST 15-23H | Williams County, ND | Oil & Gas Property | Sep 2024 |
| 41970 | FOSS USX AA | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 41971 | FOSSA 149-93-31D-30H-LL | Dunn County, ND | Oil & Gas Property | Sep 2024 |
| 41972 | FOSSET GULCH | Archuleta County, CO | Gas Property | Sep 2024 |
| 41973 | FOSSETT 1 | Caddo County, OK | Oil & Gas Property | May 2024 |
| 41974 | FOSSIL | Natrona County, WY | Oil & Gas Property | Mar 2019 |
| 41975 | FOSSIL | Leon County, TX | Oil & Gas Property | Aug 2024 |
| 41976 | FOSSIL BELIN GAS UNIT | Leon County, TX | Oil & Gas Property | Aug 2024 |
| 41977 | FOSSIL CREEK RWF | Garfield County, CO | Oil & Gas Property | Sep 2024 |
| 41978 | FOSSIL DONELSON GAS UNIT #1 | Leon County, TX | Oil & Gas Property | Aug 2024 |
| 41979 | FOSSIL FEDERAL | San Miguel County, CO | Oil & Gas Property | Jul 2024 |
| 41980 | FOSSIL HILL | Tarrant County, TX | Oil & Gas Property | Aug 2024 |
| 41981 | FOSSIL JOHN PARKER | Robertson County, TX | Oil & Gas Property | Aug 2024 |
| 41982 | FOSSIL LONE OAK RANCH | Leon County, TX | Oil & Gas Property | Aug 2024 |
| 41983 | FOSSIL RIDGE | Tarrant County, TX | Gas Property | Aug 2024 |
| 41984 | FOSSIL WILDMAN | Leon County, TX | Oil & Gas Property | Aug 2024 |
| 41985 | FOSSUM | McKenzie County, ND | Oil & Gas Property | Sep 2024 |
| 41986 | FOSSUM | Bottineau County, ND | Oil & Gas Property | Sep 2024 |
| 41987 | FOSTER | Pawnee County, OK | Oil & Gas Property | Sep 2024 |
| 41988 | FOSTER | San Juan County, NM | Gas Property | Sep 2024 |
| 41989 | FOSTER | Kearny County, KS | Oil & Gas Property | Jul 2024 |
| 41990 | FOSTER | Noble County, OK | Gas Property | Jul 2024 |
| 41991 | FOSTER | Ector County, TX | Oil & Gas Property | Aug 2024 |
| 41992 | FOSTER | San Juan County, NM | Gas Property | Oct 2024 |
| 41993 | FOSTER | Garvin County, OK | Oil & Gas Property | Sep 2024 |
| 41994 | FOSTER | Los Angeles County, CA | Oil & Gas Property | Sep 2024 |
| 41995 | FOSTER | Sterling County, TX | Oil & Gas Property | Jul 2024 |
| 41996 | FOSTER | Lipscomb County, TX | Oil & Gas Property | Aug 2024 |
| 41997 | FOSTER | Harrison County, TX | Oil & Gas Property | Aug 2024 |
| 41998 | FOSTER | Sterling County, TX | Oil & Gas Property | Aug 2024 |
| 41999 | FOSTER | Medina County, TX | Oil & Gas Property | Aug 2024 |
| 42000 | FOSTER | Latimer County, OK | Gas Property | Aug 2024 |