| 44601 | FSAU | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 44602 | FSFU | Toole County, MT | Oil Property | Aug 2025 |
| 44603 | FSWSU | Borden County, TX | Oil & Gas Property | Aug 2025 |
| 44604 | FT LUPTON HIGHLANDS | Weld County, CO | Oil & Gas Property | May 2018 |
| 44605 | FT ST VRAIN | Weld County, CO | Oil & Gas Property | Jul 2022 |
| 44606 | FT STOCKTON SOUTH | Pecos County, TX | Oil & Gas Property | Apr 2018 |
| 44607 | FT STOCKTON SOUTH UNIT | Pecos County, TX | Oil & Gas Property | Jul 2025 |
| 44608 | FT SUMTER | Glasscock County, TX | Oil & Gas Property | Aug 2025 |
| 44609 | FT TERRETT RANCH/CANYON LM/U | Sutton County, TX | Oil & Gas Property | Aug 2025 |
| 44610 | FT. BUFORD 1-16H | Williams County, ND | Oil & Gas Property | Aug 2025 |
| 44611 | FT. CHADBOURNE ODOM LIME UNIT | Coke County, TX | Oil & Gas Property | Aug 2025 |
| 44612 | FT. PECK 6-32 | Valley County, MT | Oil & Gas Property | Aug 2025 |
| 44613 | FT. WORTH NATL. BANK | Ward County, TX | Oil & Gas Property | Dec 2019 |
| 44614 | FT. WORTH NATL. BANK | Glasscock County, TX | Oil & Gas Property | Apr 2021 |
| 44615 | FT.TRINIDAD UPPER GLEN ROSE UNIT | Madison County, TX | Oil & Gas Property | Aug 2025 |
| 44616 | FT.TRINIDAD UPPER GLEN ROSE UNIT | Houston County, TX | Oil & Gas Property | Dec 2023 |
| 44617 | FTH1 | Burke County, ND | Oil & Gas Property | Aug 2025 |
| 44618 | FTUN 1495-S | Sweetwater County, WY | Oil & Gas Property | Aug 2025 |
| 44619 | FUCE 5-30 | Richland County, MT | Oil & Gas Property | Aug 2025 |
| 44620 | FUCHS | Glasscock County, TX | Oil & Gas Property | Jul 2025 |
| 44621 | FUCHS | Roger Mills County, OK | Oil & Gas Property | Jul 2025 |
| 44622 | FUCHS | Beckham County, OK | Oil & Gas Property | Jul 2025 |
| 44623 | FUCHS | Fayette County, TX | Oil & Gas Property | Aug 2025 |
| 44624 | FUCHS "D" | Williamson County, TX | Oil Property | Aug 2025 |
| 44625 | FUCHS A | Monroe County, OH | Gas Property | Jun 2025 |
| 44626 | FUCHS D 46-39 (ALLOC | Reagan County, TX | Oil & Gas Property | Jul 2025 |
| 44627 | FUCHS F 46-34 (ALLOC | Glasscock County, TX | Oil & Gas Property | Jul 2025 |
| 44628 | FUCHS G 46-34 (ALLOC-A) | Glasscock County, TX | Oil & Gas Property | Jul 2025 |
| 44629 | FUCIK | Wharton County, TX | Oil & Gas Property | Aug 2025 |
| 44630 | FUCIK GEORGE | Wharton County, TX | Oil & Gas Property | Jan 2025 |
| 44631 | FUDGE | Allen County, KS | Oil Property | May 2025 |
| 44632 | FUENTES | Sherman County, TX | Gas Property | Aug 2025 |
| 44633 | FUENTES J.R | Starr County, TX | Oil & Gas Property | Aug 2025 |
| 44634 | FUGATE | Caddo County, OK | Oil Property | Mar 2025 |
| 44635 | FUGATE | Knott County, KY | Oil & Gas Property | Dec 2023 |
| 44636 | FUGATE | Knott County, KY | Gas Property | Dec 2021 |
| 44637 | FUGATE | Knott County, KY | Gas Property | Dec 2023 |
| 44638 | FUGERE | Daniels County, MT | Oil & Gas Property | Dec 2008 |
| 44639 | FUGERE 3 | Golden Valley County, ND | Oil & Gas Property | Sep 2025 |
| 44640 | FUGIT | Woods County, OK | Oil & Gas Property | Jul 2025 |
| 44641 | FUGLER | Santa Barbara County, CA | Oil & Gas Property | Jun 2022 |
| 44642 | FUGLER | Santa Barbara County, CA | Oil & Gas Property | Jul 1989 |
| 44643 | FUHLBERG, JA | Madison County, TX | Oil & Gas Property | Aug 2025 |
| 44644 | FUHR | Leavenworth County, KS | Oil Property | May 1996 |
| 44645 | FUHRMAN | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 44646 | FUHRMAN | Kern County, CA | Oil Property | Aug 1992 |
| 44647 | FUHRMAN | Bourbon County, KS | Oil Property | Feb 2025 |
| 44648 | FUHRMAN | Allen County, KS | Oil Property | May 2025 |
| 44649 | FUHRMAN | Wheeler County, TX | Oil & Gas Property | Aug 2025 |
| 44650 | FUHRMAN | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 44651 | FUJI 1206 | Canadian County, OK | Oil & Gas Property | Jul 2025 |
| 44652 | FUJI UNIT | Karnes County, TX | Oil & Gas Property | Aug 2025 |
| 44653 | FUKSA | Kingfisher County, OK | Oil & Gas Property | Jul 2025 |
| 44654 | FULBRIGHT W.C | Erath County, TX | Gas Property | Aug 2025 |
| 44655 | FULCHER | Jack County, TX | Oil & Gas Property | Jul 2025 |
| 44656 | FULCHER | Webster County, KY | Oil Property | Dec 2014 |
| 44657 | FULCHER, JOE | Henderson County, KY | Oil Property | Dec 2020 |
| 44658 | FULCHER, JOE & A G PRITCHETT | Henderson County, KY | Oil Property | Dec 2022 |
| 44659 | FULFER MRS. W.T. ETAL GAS UNIT | Erath County, TX | Gas Property | Aug 2025 |
| 44660 | FULGHAM | Clay County, TX | Oil & Gas Property | May 2013 |
| 44661 | FULGHUM | Wilson County, KS | Gas Property | Jun 2025 |
| 44662 | FULK | Stevens County, KS | Gas Property | Jun 2025 |
| 44663 | FULKERSON | Young County, TX | Oil & Gas Property | Jul 2025 |
| 44664 | FULKERSON | Butler County, KS | Oil Property | Jun 2025 |
| 44665 | FULKERSON | Stevens County, KS | Gas Property | Jun 2025 |
| 44666 | FULKERSON | Creek County, OK | Oil & Gas Property | Jul 2025 |
| 44667 | FULKERSON | Campbell County, WY | Gas Property | Feb 2011 |
| 44668 | FULKERSON | Daviess County, KY | Oil Property | Oct 2023 |
| 44669 | FULKERSON | Dawson County, TX | Oil & Gas Property | Aug 2025 |
| 44670 | FULKERSON 'B' | Morton County, KS | Gas Property | Jun 2025 |
| 44671 | FULKS | Coshocton County, OH | Oil Property | Dec 2024 |
| 44672 | FULL | Wirt County, WV | Oil & Gas Property | Dec 2018 |
| 44673 | FULL BAR | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 44674 | FULL CHOKE | Eddy County, NM | Oil & Gas Property | Aug 2025 |
| 44675 | FULL HOUSE 30 | Eddy County, NM | Oil & Gas Property | Aug 2025 |
| 44676 | FULL NELSON | Reeves County, TX | Oil & Gas Property | Jul 2025 |
| 44677 | FULL SAIL | Rio Arriba County, NM | Oil & Gas Property | Sep 2025 |
| 44678 | FULL SERVICE IN | Stafford County, KS | Oil Property | May 2025 |
| 44679 | FULL TANK 33 FED | Eddy County, NM | Oil & Gas Property | Jan 2012 |
| 44680 | FULL TILT 18 7 FEDERAL | Eddy County, NM | Oil & Gas Property | Aug 2025 |
| 44681 | FULL, LEWIS | Wirt County, WV | Oil & Gas Property | Jun 2012 |
| 44682 | FULLBRIGHT 1 | Caddo County, OK | Oil & Gas Property | Aug 2025 |
| 44683 | FULLEN | Leon County, TX | Oil & Gas Property | Aug 2025 |
| 44684 | FULLEN G | Leon County, TX | Oil & Gas Property | Aug 2025 |
| 44685 | FULLER | Scotts Bluff County, NE | Oil & Gas Property | Dec 2024 |
| 44686 | FULLER | Scurry County, TX | Oil & Gas Property | Aug 2025 |
| 44687 | FULLER | Campbell County, WY | Gas Property | Jun 2012 |
| 44688 | FULLER | Dunn County, ND | Oil & Gas Property | Aug 2025 |
| 44689 | FULLER | Nacogdoches County, TX | Oil & Gas Property | Aug 2025 |
| 44690 | FULLER | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 44691 | FULLER | Medina County, OH | Oil & Gas Property | Dec 2017 |
| 44692 | FULLER | Howard County, TX | Oil & Gas Property | Aug 2025 |
| 44693 | FULLER | Lincoln Parish, LA | Oil & Gas Property | Dec 2024 |
| 44694 | FULLER | Lane County, KS | Oil Property | Jun 2025 |
| 44695 | FULLER | Scurry County, TX | Oil & Gas Property | Aug 2025 |
| 44696 | FULLER | Parker County, TX | Gas Property | Aug 2025 |
| 44697 | FULLER | Ashtabula County, OH | Oil & Gas Property | Dec 2015 |
| 44698 | FULLER | Furnas County, NE | Oil Property | Dec 2024 |
| 44699 | FULLER | Garvin County, OK | Oil & Gas Property | May 2025 |
| 44700 | FULLER | Finney County, KS | Oil Property | Jun 2025 |