| 39501 | F L MCCAULEY | Indiana County, PA | Gas Property | Dec 2025 |
| 39502 | F L SLIEF | Grady County, OK | Oil & Gas Property | Dec 2025 |
| 39503 | F L TOWNE | Kingfisher County, OK | Oil & Gas Property | Jan 2026 |
| 39504 | F L TRAVIS | Armstrong County, PA | Gas Property | Dec 2025 |
| 39505 | F LETT | Yuma County, CO | Gas Property | Dec 2025 |
| 39506 | F LIPPINCOTT | Susquehanna County, PA | Gas Property | Jan 2026 |
| 39507 | F M DRUMMOND | Westmoreland County, PA | Gas Property | Dec 2025 |
| 39508 | F M HOLLOWAY | Lea County, NM | Oil & Gas Property | Feb 1997 |
| 39509 | F M KALIL | Union Parish, LA | Gas Property | Dec 2024 |
| 39510 | F M KEES | Lasalle Parish, LA | Oil Property | Jan 2025 |
| 39511 | F M RITTER | Jefferson County, OK | Oil Property | Aug 1998 |
| 39512 | F M SNOWDEN | Lamar County, MS | Oil & Gas Property | Nov 2025 |
| 39513 | F M TAYLOR | Claiborne Parish, LA | Oil & Gas Property | Nov 2024 |
| 39514 | F M WHEELER | Creek County, OK | Oil & Gas Property | Jan 2026 |
| 39515 | F MALEK | Live Oak County, TX | Oil & Gas Property | Dec 2025 |
| 39516 | F MATTHEWS TR | Red River Parish, LA | Oil & Gas Property | Dec 2024 |
| 39517 | F MCCOY 1 | Haskell County, KS | Gas Property | Sep 2025 |
| 39518 | F MILLER | Crawford County, PA | Oil & Gas Property | Dec 2025 |
| 39519 | F MOHNEY | Jefferson County, PA | Gas Property | Dec 2025 |
| 39520 | F N BULLOCK | Iberia Parish, LA | Oil & Gas Property | Dec 2024 |
| 39521 | F N R N & H M WAGNER | Indiana County, PA | Gas Property | Dec 2025 |
| 39522 | F N STONER TRUST 761 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 39523 | F OEDEKOVEN | Campbell County, WY | Gas Property | Oct 2016 |
| 39524 | F OEDEKOVEN FED | Campbell County, WY | Gas Property | Apr 2012 |
| 39525 | F P HEADL | Greene County, PA | Oil & Gas Property | Dec 2012 |
| 39526 | F R HILL-CRENSHAW (SA) | Freestone County, TX | Oil & Gas Property | Dec 2025 |
| 39527 | F R MANNS | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 39528 | F REESE | Jefferson County, PA | Gas Property | Dec 2025 |
| 39529 | F RPC | San Juan County, NM | Gas Property | Jan 2026 |
| 39530 | F S DUNCAN B | Moffat County, CO | Oil & Gas Property | Dec 2025 |
| 39531 | F S MARSHALL | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 39532 | F SCOTT | Reeves County, TX | Oil & Gas Property | Dec 2025 |
| 39533 | F TULLOS | Lasalle Parish, LA | Oil Property | Jan 2025 |
| 39534 | F TYLER | Bradford County, PA | Gas Property | Jan 2026 |
| 39535 | F V LARSON | Rio Blanco County, CO | Oil & Gas Property | Dec 2025 |
| 39536 | F W KUTTER NCT | Lea County, NM | Gas Property | Jan 2026 |
| 39537 | F WEBER | Kingfisher County, OK | Oil & Gas Property | Dec 2025 |
| 39538 | F WILLIAMS | Acadia Parish, LA | Oil & Gas Property | Jan 2025 |
| 39539 | F WILSON | Moffat County, CO | Oil & Gas Property | Dec 2025 |
| 39540 | F&E SMITH TR | Montgomery County, KS | Gas Property | Sep 2025 |
| 39541 | F-J-S /STRAWN/ UNIT | Clay County, TX | Oil & Gas Property | Dec 2025 |
| 39542 | F. & M. WRIGHT | Wayne County, OH | Oil & Gas Property | Dec 2019 |
| 39543 | F. A. HETZKE | McPherson County, KS | Oil Property | Sep 2025 |
| 39544 | F. ADAMS | Rooks County, KS | Oil Property | Sep 2025 |
| 39545 | F. BRAND | Ashtabula County, OH | Oil & Gas Property | Dec 2015 |
| 39546 | F. BRUINS | Toole County, MT | Oil Property | Jan 2026 |
| 39547 | F. C. BROOKOVER | Gove County, KS | Oil Property | Sep 2025 |
| 39548 | F. CHRISTMAN | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 39549 | F. DAWS 1682 | Young County, TX | Oil & Gas Property | Dec 2025 |
| 39550 | F. DINK | Trego County, KS | Oil Property | Sep 2025 |
| 39551 | F. E. MCCOY | Williams County, ND | Oil & Gas Property | Jan 2026 |
| 39552 | F. F. RAPP UNIT | Stevens County, KS | Gas Property | Sep 2025 |
| 39553 | F. F. RAPP UNIT 'B' | Stevens County, KS | Gas Property | Sep 2025 |
| 39554 | F. FRANK | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 39555 | F. G. COBB | Matagorda County, TX | Oil & Gas Property | Dec 2025 |
| 39556 | F. G. G. RANCHES | Zapata County, TX | Oil & Gas Property | Dec 2025 |
| 39557 | F. GUTTRIDGE | Seward County, KS | Oil & Gas Property | Sep 2025 |
| 39558 | F. JOHNSON | McPherson County, KS | Oil Property | Sep 2025 |
| 39559 | F. K. PERKINS | Santa Barbara County, CA | Oil & Gas Property | Mar 2010 |
| 39560 | F. KRIEG | Ashtabula County, OH | Oil & Gas Property | Dec 2025 |
| 39561 | F. L. BROWN GAS UNIT | Finney County, KS | Gas Property | Sep 2025 |
| 39562 | F. LEAL | Zapata County, TX | Oil & Gas Property | Dec 2025 |
| 39563 | F. MALEK T-LAIRD B | Live Oak County, TX | Oil & Gas Property | Dec 2025 |
| 39564 | F. MALEK UNIT L | Live Oak County, TX | Oil & Gas Property | Dec 2025 |
| 39565 | F. MILLER | Wayne County, OH | Oil & Gas Property | Dec 1988 |
| 39566 | F. P. ELLIOT | Hardin County, TX | Oil & Gas Property | Dec 2025 |
| 39567 | F. SMITH | Montgomery County, KS | Gas Property | Sep 2025 |
| 39568 | F. SOBOTIK GAS UNIT #1 | Lavaca County, TX | Oil & Gas Property | Dec 2025 |
| 39569 | F. SOMMERS | Ashtabula County, OH | Oil & Gas Property | Dec 2025 |
| 39570 | F. W. CURR | Finney County, KS | Gas Property | Sep 2025 |
| 39571 | F. W. LEONARD | Haskell County, KS | Gas Property | Sep 2025 |
| 39572 | F. WALKER | Rooks County, KS | Oil Property | Sep 2025 |
| 39573 | F.L.HARRISON | Beaver County, OK | Oil & Gas Property | Dec 2025 |
| 39574 | F.M. CARDON ESTATE FEE A (M-621) 1 | Clearfield County, PA | Gas Property | Dec 2025 |
| 39575 | F.M. EIRING GAS UNIT | Wise County, TX | Oil & Gas Property | Dec 2025 |
| 39576 | F.M. JOHNSON | Choctaw County, AL | Oil Property | Dec 2025 |
| 39577 | F.N.B.T. A | Dimmit County, TX | Oil & Gas Property | Dec 2025 |
| 39578 | F.P. PARSONS FEDERAL UNIT | Wise County, TX | Oil & Gas Property | Dec 2025 |
| 39579 | F.W. LUECKE | Lee County, TX | Oil & Gas Property | Dec 2025 |
| 39580 | F14G BRAMMER | Panola County, TX | Gas Property | Dec 2025 |
| 39581 | FABBRO | Latimer County, OK | Gas Property | Nov 2025 |
| 39582 | FABER | Chouteau County, MT | Gas Property | Jan 2026 |
| 39583 | FABIAN | Cayuga County, NY | Gas Property | Dec 2024 |
| 39584 | FABIAN | Wheeler County, TX | Oil & Gas Property | Dec 2025 |
| 39585 | FABIAN DITCH | Lincoln County, WY | Oil & Gas Property | Jan 2026 |
| 39586 | FABIAN DITCH | Sweetwater County, WY | Oil & Gas Property | Jan 2026 |
| 39587 | FABIN | Indiana County, PA | Gas Property | Dec 2025 |
| 39588 | FABIN UNIT A | Indiana County, PA | Gas Property | Dec 2025 |
| 39589 | FABRICIUS | Graham County, KS | Oil Property | Sep 2025 |
| 39590 | FABRIZIUS | Trego County, KS | Oil Property | Sep 2025 |
| 39591 | FABRIZIUS | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 39592 | FACEY | Tarrant County, TX | Oil & Gas Property | Dec 2025 |
| 39593 | FACKLER BRO | Meade County, KY | Gas Property | Dec 2024 |
| 39594 | FACTOR | Pontotoc County, OK | Oil Property | Dec 2025 |
| 39595 | FACTOR | Seminole County, OK | Oil & Gas Property | Dec 2025 |
| 39596 | FACTOR M | Hughes County, OK | Oil Property | Dec 2025 |
| 39597 | FADEAWAY | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 39598 | FADEAWAY RIDGE | Eddy County, NM | Oil & Gas Property | Feb 2013 |
| 39599 | FADELY | Chautauqua County, KS | Oil Property | Jan 2025 |
| 39600 | FADEN | Banner County, NE | Oil Property | Nov 2024 |