| 40001 | FELDMAN | Ward County, TX | Oil & Gas Property | Dec 2016 |
| 40002 | FELDMAN | Rice County, KS | Oil Property | Jul 2024 |
| 40003 | FELDMAN | Midland County, TX | Oil & Gas Property | Aug 2024 |
| 40004 | FELDMAN | Loving County, TX | Oil & Gas Property | Aug 2024 |
| 40005 | FELDMAN | Wilbarger County, TX | Oil & Gas Property | Feb 2024 |
| 40006 | FELDMAN D. D | Hardin County, TX | Oil & Gas Property | Aug 2024 |
| 40007 | FELDMAN D. D | Wichita County, TX | Oil & Gas Property | Aug 2024 |
| 40008 | FELDMAN D.D. UNIT | Hemphill County, TX | Oil & Gas Property | Aug 2024 |
| 40009 | FELDNER | Noble County, OH | Oil & Gas Property | Dec 2008 |
| 40010 | FELICE | Meade County, KS | Oil & Gas Property | Jun 2024 |
| 40011 | FELICIDAD | Zapata County, TX | Oil & Gas Property | Aug 2024 |
| 40012 | FELINA FEE | Lea County, NM | Oil & Gas Property | Sep 2024 |
| 40013 | FELISA VALDEZ | Medina County, TX | Oil & Gas Property | Mar 2024 |
| 40014 | FELIX | Campbell County, WY | Gas Property | Sep 2024 |
| 40015 | FELIX | Kings County, CA | Oil & Gas Property | Dec 1997 |
| 40016 | FELIX | Gray County, TX | Oil & Gas Property | Aug 2024 |
| 40017 | FELIX CS STATE | Campbell County, WY | Gas Property | Feb 2012 |
| 40018 | FELIX UNIT | Karnes County, TX | Oil & Gas Property | Aug 2024 |
| 40019 | FELIX UNIT | Campbell County, WY | Oil & Gas Property | Apr 2024 |
| 40020 | FELKEN WRIGHT | Dawson County, TX | Oil & Gas Property | Aug 2024 |
| 40021 | FELKER A | Lipscomb County, TX | Oil & Gas Property | Aug 2024 |
| 40022 | FELL | Clare County, MI | Oil Property | Feb 2024 |
| 40023 | FELL | Carter County, OK | Oil Property | Aug 2024 |
| 40024 | FELL | Okmulgee County, OK | Oil & Gas Property | Aug 2024 |
| 40025 | FELL GAS UNIT | Stanton County, KS | Gas Property | Jul 2024 |
| 40026 | FELLER | Williams County, ND | Oil & Gas Property | Sep 2024 |
| 40027 | FELLER 15-22 #7H | Williams County, ND | Oil & Gas Property | Sep 2024 |
| 40028 | FELLER-REDFIELD LE 22-15 #1H | Williams County, ND | Oil & Gas Property | Sep 2024 |
| 40029 | FELLERS | Alfalfa County, OK | Oil & Gas Property | Sep 2024 |
| 40030 | FELLERS | Ellis County, KS | Oil Property | Jul 2024 |
| 40031 | FELLERS R | Parker County, TX | Oil & Gas Property | Aug 2024 |
| 40032 | FELLERS STATE UNIT | Reeves County, TX | Oil & Gas Property | Aug 2024 |
| 40033 | FELLHOELTER | Sheridan County, KS | Oil Property | May 2024 |
| 40034 | FELLOWSHIP | Dallas County, TX | Gas Property | Aug 2024 |
| 40035 | FELLOWSHIP BAPTIST CHURCH 1 | Mingo County, WV | Gas Property | Dec 2021 |
| 40036 | FELMONT FED | Lea County, NM | Oil & Gas Property | Aug 2024 |
| 40037 | FELPS | Zavala County, TX | Oil & Gas Property | Aug 2024 |
| 40038 | FELT | Wichita County, KS | Oil Property | Jul 2024 |
| 40039 | FELTER | Bradford County, PA | Gas Property | Sep 2024 |
| 40040 | FELTES | Barton County, KS | Oil Property | Jul 2024 |
| 40041 | FELTES | Barton County, KS | Oil Property | Jul 2024 |
| 40042 | FELTES | Barton County, KS | Oil Property | Jun 2024 |
| 40043 | FELTON | Caddo County, OK | Oil Property | May 2024 |
| 40044 | FELTON | Cowley County, KS | Oil Property | Jul 2024 |
| 40045 | FELTON | Lea County, NM | Oil & Gas Property | Dec 2018 |
| 40046 | FELTS | Shackelford County, TX | Oil & Gas Property | Aug 2024 |
| 40047 | FELTY, GEORGE | Clay County, KY | Gas Property | Dec 2022 |
| 40048 | FELTZ | Hartley County, TX | Gas Property | Aug 2024 |
| 40049 | FELUMLEE | Licking County, OH | Oil & Gas Property | Dec 2023 |
| 40050 | FELUMLEE RALPH | Licking County, OH | Oil Property | Dec 2008 |
| 40051 | FENCE C | Grand County, UT | Oil & Gas Property | Sep 2024 |
| 40052 | FENCE CREEK | Campbell County, WY | Oil & Gas Property | Feb 2018 |
| 40053 | FENCE LINE FED | Duchesne County, UT | Oil & Gas Property | Aug 2013 |
| 40054 | FENCELINE FED | Duchesne County, UT | Oil & Gas Property | Sep 2024 |
| 40055 | FENDER | Panola County, TX | Oil & Gas Property | Aug 2024 |
| 40056 | FENDER | Coshocton County, OH | Oil & Gas Property | Dec 2022 |
| 40057 | FENDER | Lincoln County, OK | Oil & Gas Property | May 2024 |
| 40058 | FENDER FEE | Smith County, TX | Oil & Gas Property | May 2024 |
| 40059 | FENDLEY | Ector County, TX | Oil & Gas Property | Aug 2024 |
| 40060 | FENLAW MACK GAS UNIT 1 | Upshur County, TX | Oil & Gas Property | Aug 2024 |
| 40061 | FENLEY | Angelina County, TX | Oil & Gas Property | Aug 2024 |
| 40062 | FENLEY 09-12 | Cleburne County, AR | Gas Property | Jul 2024 |
| 40063 | FENN 1 | Amite County, MS | Oil & Gas Property | May 1987 |
| 40064 | FENN M | Gregg County, TX | Oil & Gas Property | Aug 2024 |
| 40065 | FENN RANCH | Lee County, TX | Oil & Gas Property | Aug 2024 |
| 40066 | FENNA BRUINS | Toole County, MT | Oil Property | Sep 2024 |
| 40067 | FENNEC 149-93-10B-15H | Dunn County, ND | Oil & Gas Property | Sep 2024 |
| 40068 | FENNEL | Montague County, TX | Oil & Gas Property | Aug 2024 |
| 40069 | FENNELL | Runnels County, TX | Oil & Gas Property | Aug 2024 |
| 40070 | FENNER | Jackson County, TX | Oil & Gas Property | Jul 2024 |
| 40071 | FENNER | Duval County, TX | Oil Property | Aug 2024 |
| 40072 | FENOGLIO | Montague County, TX | Oil & Gas Property | Jul 2024 |
| 40073 | FENOGLIO | Montague County, TX | Oil & Gas Property | Mar 2018 |
| 40074 | FENRIR UNIT A 10-03 | Borden County, TX | Oil & Gas Property | Aug 2024 |
| 40075 | FENSKE | Ottawa County, MI | Oil Property | Mar 2024 |
| 40076 | FENSTER | Divide County, ND | Oil & Gas Property | Sep 2024 |
| 40077 | FENSTER C | Sedgwick County, KS | Oil Property | Jul 2024 |
| 40078 | FENSTERMAKER | Jefferson County, PA | Gas Property | Dec 2023 |
| 40079 | FENTON | Woodward County, OK | Oil & Gas Property | Sep 2024 |
| 40080 | FENTON | Upshur County, TX | Oil & Gas Property | Aug 2024 |
| 40081 | FENTON | Haskell County, OK | Gas Property | Aug 2024 |
| 40082 | FENTON | Westmoreland County, PA | Gas Property | Dec 2023 |
| 40083 | FENTON | Mercer County, PA | Oil & Gas Property | Dec 2023 |
| 40084 | FENTON | Gregg County, TX | Oil & Gas Property | Aug 2015 |
| 40085 | FENTON 7 FEDERAL | Eddy County, NM | Oil & Gas Property | Oct 2017 |
| 40086 | FENTON BROTHERS | Muskingum County, OH | Oil & Gas Property | Dec 2017 |
| 40087 | FENTON FEDERAL 11X-20 | Dunn County, ND | Oil & Gas Property | Sep 2024 |
| 40088 | FENTON H. GAS UNIT | Upshur County, TX | Oil & Gas Property | Aug 2024 |
| 40089 | FENTON R | Mercer County, PA | Oil & Gas Property | Dec 2023 |
| 40090 | FENWAY UNIT 141-140W | Reeves County, TX | Oil & Gas Property | Aug 2024 |
| 40091 | FENWICK | Pawnee County, KS | Oil Property | Jul 2024 |
| 40092 | FENWICK, T | Union County, KY | Oil Property | Dec 2021 |
| 40093 | FERDA | Grant County, OK | Oil & Gas Property | Mar 2021 |
| 40094 | FERDINAND | Lincoln County, WY | Oil & Gas Property | Sep 2024 |
| 40095 | FERDINAND 14-24TFH | Dunn County, ND | Oil & Gas Property | Sep 2024 |
| 40096 | FERDINAND UNIT | Atascosa County, TX | Oil & Gas Property | Aug 2024 |
| 40097 | FERENS | Fayette County, PA | Oil & Gas Property | Sep 2024 |
| 40098 | FERGE | Weld County, CO | Oil & Gas Property | Sep 2024 |
| 40099 | FERGUS | Jones County, TX | Oil & Gas Property | Aug 2024 |
| 40100 | FERGUSON | Sterling County, TX | Oil & Gas Property | Aug 2024 |