| 5501 | FULMER | Holmes County, OH | Oil Property | Dec 2024 |
| 5502 | FULMER | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 5503 | FULMER 1-16 | Stephens County, OK | Oil & Gas Property | Sep 2025 |
| 5504 | FULMER UNIT | Lycoming County, PA | Gas Property | Sep 2025 |
| 5505 | FULNECKY | Potter County, PA | Oil & Gas Property | Dec 2024 |
| 5506 | FULPS J. M | Caldwell County, TX | Oil & Gas Property | Sep 2025 |
| 5507 | FULSCHER | Phillips County, CO | Gas Property | Sep 2023 |
| 5508 | FULSOM | Cowley County, KS | Oil Property | Sep 2024 |
| 5509 | FULSOM | Chautauqua County, KS | Oil Property | May 2025 |
| 5510 | FULSOM RANCH | Chautauqua County, KS | Oil Property | Jul 2022 |
| 5511 | FULSON | Tarrant County, TX | Gas Property | Sep 2025 |
| 5512 | FULTON | Denton County, TX | Oil & Gas Property | Sep 2025 |
| 5513 | FULTON | Clark County, KS | Oil & Gas Property | Jun 2025 |
| 5514 | FULTON | Venango County, PA | Oil & Gas Property | Dec 2017 |
| 5515 | FULTON | Kern County, CA | Oil & Gas Property | Sep 2025 |
| 5516 | FULTON | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 5517 | FULTON | Los Angeles County, CA | Oil & Gas Property | Sep 2025 |
| 5518 | FULTON | Lubbock County, TX | Oil & Gas Property | Sep 2025 |
| 5519 | FULTON | Robertson County, TX | Oil & Gas Property | Aug 2025 |
| 5520 | FULTON | Warren County, PA | Oil Property | Dec 2024 |
| 5521 | FULTON | Grant County, KS | Gas Property | Jun 2025 |
| 5522 | FULTON | Harrison County, OH | Oil & Gas Property | Dec 2024 |
| 5523 | FULTON | Freestone County, TX | Oil & Gas Property | Sep 2025 |
| 5524 | FULTON | Oldham County, TX | Oil & Gas Property | Sep 2025 |
| 5525 | FULTON | Clarion County, PA | Gas Property | Dec 2024 |
| 5526 | FULTON BEACH | Aransas County, TX | Oil & Gas Property | Apr 2022 |
| 5527 | FULTON BYRNE | Toole County, MT | Oil & Gas Property | Sep 2025 |
| 5528 | FULTON C 1 | Caddo County, OK | Oil & Gas Property | Sep 2025 |
| 5529 | FULTON COLLIER | Eddy County, NM | Oil & Gas Property | Jun 2018 |
| 5530 | FULTON GEORGE GAS UNIT NO. 1 | Freestone County, TX | Oil & Gas Property | Sep 2025 |
| 5531 | FULTON L | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 5532 | FULTON, C. T | Grayson County, TX | Oil & Gas Property | Sep 2025 |
| 5533 | FULTON, E | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 5534 | FULTON-MCKEE | Los Angeles County, CA | Oil & Gas Property | Oct 2025 |
| 5535 | FULTON-SELL | Lipscomb County, TX | Oil & Gas Property | Aug 2025 |
| 5536 | FULTS | Roger Mills County, OK | Oil & Gas Property | Oct 2025 |
| 5537 | FULTS GAS UNIT | Harrison County, TX | Oil & Gas Property | Sep 2025 |
| 5538 | FULTZ | Labette County, KS | Gas Property | Sep 2009 |
| 5539 | FULWYLER UNIT 28 | Kern County, CA | Oil & Gas Property | Sep 2025 |
| 5540 | FUNCK 1-12 | Canadian County, OK | Oil & Gas Property | Oct 2025 |
| 5541 | FUND 8 DOMESTIC | Mingo County, WV | Gas Property | Dec 2021 |
| 5542 | FUNDIS | Pottawatomie County, OK | Oil Property | Jun 2025 |
| 5543 | FUNDIS | Pottawatomie County, OK | Oil & Gas Property | Sep 2025 |
| 5544 | FUNDIS | Coffey County, KS | Oil Property | Jun 2025 |
| 5545 | FUNK | Tom Green County, TX | Oil & Gas Property | Jan 2019 |
| 5546 | FUNK | Canadian County, OK | Oil & Gas Property | Oct 2025 |
| 5547 | FUNK | Ashland County, OH | Oil & Gas Property | Dec 2017 |
| 5548 | FUNK | Barton County, KS | Oil Property | Apr 2025 |
| 5549 | FUNK | Kingman County, KS | Oil & Gas Property | Jul 2020 |
| 5550 | FUNK | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 5551 | FUNK | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 5552 | FUNK | Kingman County, KS | Oil & Gas Property | Jun 2025 |
| 5553 | FUNK | Woodson County, KS | Oil Property | Jun 2025 |
| 5554 | FUNK | Young County, TX | Oil & Gas Property | Jul 2025 |
| 5555 | FUNK | Chautauqua County, KS | Oil Property | May 1996 |
| 5556 | FUNK | Crawford County, PA | Oil & Gas Property | Dec 2024 |
| 5557 | FUNK 49 | Eddy County, NM | Oil & Gas Property | Jul 2016 |
| 5558 | FUNK GLENN | Ashland County, OH | Oil & Gas Property | Dec 2017 |
| 5559 | FUNK JOE | Tom Green County, TX | Oil & Gas Property | Sep 2025 |
| 5560 | FUNK PAUL | Coshocton County, OH | Oil Property | Dec 2024 |
| 5561 | FUNK, ET AL GAS UNIT | Goliad County, TX | Oil & Gas Property | Sep 2025 |
| 5562 | FUNK, LEROY | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 5563 | FUNKHOUSER 20 | Upton County, TX | Oil & Gas Property | Jul 2023 |
| 5564 | FUNKY BOSS | Ward County, TX | Oil & Gas Property | Sep 2025 |
| 5565 | FUNKY MONKS 8 FEDERAL COM | Lea County, NM | Oil & Gas Property | Oct 2025 |
| 5566 | FUNNY CIDE 15258 FED COM | Chaves County, NM | Oil & Gas Property | Sep 2025 |
| 5567 | FUNNY CIDE 32 | Culberson County, TX | Oil & Gas Property | Sep 2025 |
| 5568 | FUNSTON LAND INC 1 | De Soto Parish, LA | Oil & Gas Property | Dec 2024 |
| 5569 | FUQUA | Stephens County, OK | Oil & Gas Property | Oct 2025 |
| 5570 | FUQUA | Carson County, TX | Gas Property | Sep 2025 |
| 5571 | FUQUA | Chautauqua County, KS | Oil & Gas Property | Dec 1992 |
| 5572 | FUQUA | Moore County, TX | Oil & Gas Property | Sep 2025 |
| 5573 | FURBALL FED 4271-28 | Campbell County, WY | Oil & Gas Property | Sep 2025 |
| 5574 | FURBAY UNIT | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 5575 | FURBEE | Marion County, WV | Oil & Gas Property | Mar 2021 |
| 5576 | FURBEE, J. H | Marion County, WV | Oil & Gas Property | Aug 2018 |
| 5577 | FURBY, BRADLEY | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 5578 | FURDA | Washington County, PA | Gas Property | Dec 2024 |
| 5579 | FURGERSON | Hopkins County, KY | Oil Property | Dec 2014 |
| 5580 | FURLONG 151-94-21A-28H | McKenzie County, ND | Oil & Gas Property | Oct 2025 |
| 5581 | FURLOUGH GAS UNIT | Leon County, TX | Oil & Gas Property | Sep 2025 |
| 5582 | FURLOW | De Soto Parish, LA | Gas Property | Dec 2024 |
| 5583 | FURLOW | Claiborne Parish, LA | Oil & Gas Property | Oct 2024 |
| 5584 | FURMAN | Indiana County, PA | Gas Property | Dec 2024 |
| 5585 | FURMAN | Butler County, KS | Oil Property | Jun 2025 |
| 5586 | FURNACE RUN | Armstrong County, PA | Gas Property | Sep 2025 |
| 5587 | FURNEAUX | Gray County, TX | Oil & Gas Property | Sep 2025 |
| 5588 | FURNER | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 5589 | FURQUERON | Glasscock County, TX | Oil & Gas Property | Sep 2025 |
| 5590 | FURR | Garfield County, CO | Oil & Gas Property | Sep 2025 |
| 5591 | FURR | Archer County, TX | Oil & Gas Property | Sep 2025 |
| 5592 | FURR, CHARLES | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 5593 | FURR, FLOYD | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 5594 | FURR-TUBB | Crane County, TX | Oil & Gas Property | Sep 2025 |
| 5595 | FURRH | Harrison County, TX | Oil & Gas Property | Apr 2017 |
| 5596 | FURRH | Harrison County, TX | Oil & Gas Property | Sep 2025 |
| 5597 | FURRH | Howard County, TX | Oil & Gas Property | Sep 2025 |
| 5598 | FURRH | Lavaca County, TX | Oil & Gas Property | Sep 2025 |
| 5599 | FURRH | Harrison County, TX | Oil & Gas Property | Sep 2025 |
| 5600 | FURRH | Harrison County, TX | Oil & Gas Property | Nov 2003 |