| 5301 | FT. CHADBOURNE ODOM LIME UNIT | Coke County, TX | Oil & Gas Property | Dec 2025 |
| 5302 | FT. WORTH NATL. BANK | Ward County, TX | Oil & Gas Property | Dec 2019 |
| 5303 | FT. WORTH NATL. BANK | Glasscock County, TX | Oil & Gas Property | Apr 2021 |
| 5304 | FT.TRINIDAD UPPER GLEN ROSE UNIT | Madison County, TX | Oil & Gas Property | Dec 2025 |
| 5305 | FTH1 | Burke County, ND | Oil & Gas Property | Jan 2026 |
| 5306 | FTUN 1495-S | Sweetwater County, WY | Oil & Gas Property | Jan 2026 |
| 5307 | FUCE 5-30 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 5308 | FUCHS | Glasscock County, TX | Oil & Gas Property | Nov 2025 |
| 5309 | FUCHS | Roger Mills County, OK | Oil & Gas Property | Dec 2025 |
| 5310 | FUCHS | Beckham County, OK | Oil & Gas Property | Dec 2025 |
| 5311 | FUCHS | Fayette County, TX | Oil & Gas Property | Dec 2025 |
| 5312 | FUCHS "D" | Williamson County, TX | Oil Property | Dec 2025 |
| 5313 | FUCHS A | Monroe County, OH | Gas Property | Dec 2025 |
| 5314 | FUCHS D 46-39 (ALLOC | Reagan County, TX | Oil & Gas Property | Nov 2025 |
| 5315 | FUCHS F 46-34 (ALLOC | Glasscock County, TX | Oil & Gas Property | Nov 2025 |
| 5316 | FUCHS G 46-34 (ALLOC-A) | Glasscock County, TX | Oil & Gas Property | Nov 2025 |
| 5317 | FUCIK | Wharton County, TX | Oil & Gas Property | Dec 2025 |
| 5318 | FUCIK GEORGE | Wharton County, TX | Oil & Gas Property | Jan 2025 |
| 5319 | FUDGE | Allen County, KS | Oil Property | Jul 2025 |
| 5320 | FUENTES | Sherman County, TX | Gas Property | Dec 2025 |
| 5321 | FUENTES J.R | Starr County, TX | Oil & Gas Property | Oct 2025 |
| 5322 | FUGATE | Caddo County, OK | Oil Property | Sep 2025 |
| 5323 | FUGATE | Knott County, KY | Oil & Gas Property | Dec 2024 |
| 5324 | FUGATE | Knott County, KY | Gas Property | Dec 2021 |
| 5325 | FUGATE | Knott County, KY | Gas Property | Dec 2024 |
| 5326 | FUGERE | Daniels County, MT | Oil & Gas Property | Dec 2008 |
| 5327 | FUGERE 3 | Golden Valley County, ND | Oil & Gas Property | Jan 2026 |
| 5328 | FUGIT | Woods County, OK | Oil & Gas Property | Dec 2025 |
| 5329 | FUGLER | Santa Barbara County, CA | Oil & Gas Property | Jun 2022 |
| 5330 | FUGLER | Santa Barbara County, CA | Oil & Gas Property | Jul 1989 |
| 5331 | FUHLBERG, JA | Madison County, TX | Oil & Gas Property | Nov 2025 |
| 5332 | FUHR | Leavenworth County, KS | Oil Property | May 1996 |
| 5333 | FUHRMAN | Andrews County, TX | Oil & Gas Property | Nov 2025 |
| 5334 | FUHRMAN | Kern County, CA | Oil Property | Aug 1992 |
| 5335 | FUHRMAN | Bourbon County, KS | Oil Property | Jul 2025 |
| 5336 | FUHRMAN | Allen County, KS | Oil Property | May 2025 |
| 5337 | FUHRMAN | Wheeler County, TX | Oil & Gas Property | Dec 2025 |
| 5338 | FUHRMAN | Andrews County, TX | Oil & Gas Property | Dec 2025 |
| 5339 | FUJI 1206 | Canadian County, OK | Oil & Gas Property | Dec 2025 |
| 5340 | FUJI UNIT | Karnes County, TX | Oil & Gas Property | Dec 2025 |
| 5341 | FUKSA | Kingfisher County, OK | Oil & Gas Property | Dec 2025 |
| 5342 | FULBRIGHT W.C | Erath County, TX | Gas Property | Dec 2025 |
| 5343 | FULCHER | Jack County, TX | Oil & Gas Property | Dec 2025 |
| 5344 | FULCHER | Webster County, KY | Oil Property | Dec 2014 |
| 5345 | FULCHER, JOE | Henderson County, KY | Oil Property | Dec 2020 |
| 5346 | FULCHER, JOE & A G PRITCHETT | Henderson County, KY | Oil Property | Dec 2022 |
| 5347 | FULFER MRS. W.T. ETAL GAS UNIT | Erath County, TX | Gas Property | Dec 2025 |
| 5348 | FULGHAM | Clay County, TX | Oil & Gas Property | May 2013 |
| 5349 | FULGHUM | Wilson County, KS | Gas Property | Aug 2025 |
| 5350 | FULHAGE | Woodson County, KS | Oil Property | Jul 2025 |
| 5351 | FULK | Stevens County, KS | Gas Property | Sep 2025 |
| 5352 | FULKERSON | Young County, TX | Oil & Gas Property | Nov 2025 |
| 5353 | FULKERSON | Butler County, KS | Oil Property | Sep 2025 |
| 5354 | FULKERSON | Stevens County, KS | Gas Property | Sep 2025 |
| 5355 | FULKERSON | Creek County, OK | Oil & Gas Property | Dec 2025 |
| 5356 | FULKERSON | Campbell County, WY | Gas Property | Feb 2011 |
| 5357 | FULKERSON | Daviess County, KY | Oil Property | Oct 2023 |
| 5358 | FULKERSON | Dawson County, TX | Oil & Gas Property | Dec 2025 |
| 5359 | FULKERSON 'B' | Morton County, KS | Gas Property | Aug 2025 |
| 5360 | FULKS | Coshocton County, OH | Oil Property | Dec 2024 |
| 5361 | FULL | Wirt County, WV | Oil & Gas Property | Dec 2020 |
| 5362 | FULL BAR | Andrews County, TX | Oil & Gas Property | Dec 2025 |
| 5363 | FULL CHOKE | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 5364 | FULL HOUSE | Reagan County, TX | Oil & Gas Property | Dec 2025 |
| 5365 | FULL HOUSE 30 | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 5366 | FULL SAIL | Rio Arriba County, NM | Oil & Gas Property | Jan 2026 |
| 5367 | FULL SERVICE IN | Stafford County, KS | Oil Property | Sep 2025 |
| 5368 | FULL TANK 33 FED | Eddy County, NM | Oil & Gas Property | Jan 2012 |
| 5369 | FULL TILT 18 7 FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 5370 | FULL, LEWIS | Wirt County, WV | Oil & Gas Property | Jun 2012 |
| 5371 | FULLBRIGHT 1 | Caddo County, OK | Oil & Gas Property | Dec 2025 |
| 5372 | FULLEN | Leon County, TX | Oil & Gas Property | Dec 2025 |
| 5373 | FULLEN G | Leon County, TX | Oil & Gas Property | Dec 2025 |
| 5374 | FULLER | Scotts Bluff County, NE | Oil & Gas Property | Dec 2024 |
| 5375 | FULLER | Scurry County, TX | Oil & Gas Property | Dec 2025 |
| 5376 | FULLER | Campbell County, WY | Gas Property | Jun 2012 |
| 5377 | FULLER | Dunn County, ND | Oil & Gas Property | Jan 2026 |
| 5378 | FULLER | Nacogdoches County, TX | Oil & Gas Property | Dec 2025 |
| 5379 | FULLER | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 5380 | FULLER | Medina County, OH | Oil & Gas Property | Dec 2017 |
| 5381 | FULLER | Howard County, TX | Oil & Gas Property | Dec 2025 |
| 5382 | FULLER | Lincoln Parish, LA | Oil & Gas Property | Dec 2024 |
| 5383 | FULLER | Lane County, KS | Oil Property | Aug 2025 |
| 5384 | FULLER | Scurry County, TX | Oil & Gas Property | Dec 2025 |
| 5385 | FULLER | Parker County, TX | Gas Property | Dec 2025 |
| 5386 | FULLER | Ashtabula County, OH | Oil & Gas Property | Dec 2015 |
| 5387 | FULLER | Furnas County, NE | Oil Property | Dec 2024 |
| 5388 | FULLER | Garvin County, OK | Oil & Gas Property | Oct 2025 |
| 5389 | FULLER | Finney County, KS | Oil Property | Sep 2025 |
| 5390 | FULLER | Stevens County, KS | Gas Property | Sep 2025 |
| 5391 | FULLER | Greene County, PA | Oil & Gas Property | Jan 2026 |
| 5392 | FULLER | Okmulgee County, OK | Oil & Gas Property | Nov 2014 |
| 5393 | FULLER | Webb County, TX | Oil & Gas Property | Nov 2025 |
| 5394 | FULLER | De Soto Parish, LA | Gas Property | Dec 2024 |
| 5395 | FULLER | Caddo County, OK | Oil Property | Aug 2024 |
| 5396 | FULLER | Moore County, TX | Oil & Gas Property | Dec 2025 |
| 5397 | FULLER | Archer County, TX | Oil & Gas Property | Dec 2025 |
| 5398 | FULLER | Major County, OK | Oil & Gas Property | Dec 2025 |
| 5399 | FULLER | Chautauqua County, KS | Oil & Gas Property | May 2020 |
| 5400 | FULLER | Lafayette County, AR | Oil Property | May 1980 |