| 4301 | KULOW | Beaver County, OK | Oil & Gas Property | Jun 2026 |
| 4302 | KULP | Seward County, KS | Oil Property | Sep 2025 |
| 4303 | KULTGEN | Barton County, KS | Oil Property | May 2026 |
| 4304 | KULTGEN | Barton County, KS | Oil Property | May 2026 |
| 4305 | KULTGEN U | Barton County, KS | Oil Property | May 2026 |
| 4306 | KUMBERG | Barber County, KS | Oil & Gas Property | May 2026 |
| 4307 | KUMMER | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 4308 | KUMMER | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 4309 | KUMMER | Weld County, CO | Oil & Gas Property | May 2026 |
| 4310 | KUMMER | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 4311 | KUMMER | Barton County, KS | Oil Property | Apr 2026 |
| 4312 | KUMMER 149-98-3-10 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 4313 | KUMMERFELD | Campbell County, WY | Oil Property | Dec 2015 |
| 4314 | KUMMERFELD | Campbell County, WY | Oil Property | Jul 2026 |
| 4315 | KUNC | Tillman County, OK | Oil Property | Jun 2026 |
| 4316 | KUNC FARMS | Dewey County, OK | Oil & Gas Property | Jun 2026 |
| 4317 | KUNDE | Live Oak County, TX | Oil & Gas Property | Jun 2026 |
| 4318 | KUNDE UNIT A | Live Oak County, TX | Oil & Gas Property | Jun 2026 |
| 4319 | KUNDERER | Garvin County, OK | Oil & Gas Property | Jul 2026 |
| 4320 | KUNDERT | Kern County, CA | Oil & Gas Property | Jul 2012 |
| 4321 | KUNDTZ | Cuyahoga County, OH | Gas Property | Dec 2025 |
| 4322 | KUNEFKE L. H | Chambers County, TX | Oil & Gas Property | May 2026 |
| 4323 | KUNER | Weld County, CO | Oil & Gas Property | Dec 2020 |
| 4324 | KUNGLE A N YRK BL 1H | Belmont County, OH | Gas Property | Jun 2026 |
| 4325 | KUNGLE B N YRK BL | Belmont County, OH | Gas Property | Jun 2026 |
| 4326 | KUNGLE C N YRK BL | Belmont County, OH | Gas Property | Jun 2026 |
| 4327 | KUNKA | Lipscomb County, TX | Oil & Gas Property | May 2026 |
| 4328 | KUNKEL | Montague County, TX | Oil & Gas Property | Jun 2026 |
| 4329 | KUNKEL | Young County, TX | Oil & Gas Property | Jun 2026 |
| 4330 | KUNKEL | Throckmorton County, TX | Oil & Gas Property | Mar 2026 |
| 4331 | KUNKEL | Throckmorton County, TX | Oil & Gas Property | Jun 2026 |
| 4332 | KUNKEL | Love County, OK | Oil Property | Jun 2026 |
| 4333 | KUNKEL | Woodson County, KS | Oil Property | Aug 2000 |
| 4334 | KUNKEL | Young County, TX | Oil & Gas Property | Jun 2026 |
| 4335 | KUNKEL DANIEL E | Ochiltree County, TX | Oil & Gas Property | Jun 2026 |
| 4336 | KUNKLE | Indiana County, PA | Gas Property | Dec 2025 |
| 4337 | KUNKLER | Perry County, OH | Oil & Gas Property | Dec 2017 |
| 4338 | KUNNEMAN | Kingfisher County, OK | Oil & Gas Property | Sep 2024 |
| 4339 | KUNNEMAN | Canadian County, OK | Oil & Gas Property | Jun 2026 |
| 4340 | KUNSELMAN | Clarion County, PA | Gas Property | Dec 2025 |
| 4341 | KUNSEMILLER | Weld County, CO | Oil & Gas Property | May 2026 |
| 4342 | KUNSEMILLLER 5-61-20-0801B2B | Weld County, CO | Oil & Gas Property | May 2026 |
| 4343 | KUNSEMULLER | Caddo County, OK | Oil & Gas Property | Oct 2025 |
| 4344 | KUNSMAN 2 | Clearfield County, PA | Gas Property | Dec 2025 |
| 4345 | KUNTSCHIK | Gonzales County, TX | Oil & Gas Property | Jul 2025 |
| 4346 | KUNTZ | Noble County, OH | Oil & Gas Property | Dec 2025 |
| 4347 | KUNTZ | Jefferson County, PA | Gas Property | Dec 2025 |
| 4348 | KUNTZ | Stark County, ND | Oil & Gas Property | Jun 2026 |
| 4349 | KUNTZ | Jefferson County, PA | Gas Property | Dec 2025 |
| 4350 | KUNZ F | Hockley County, TX | Oil & Gas Property | Jun 2026 |
| 4351 | KUNZMAN | Weld County, CO | Oil & Gas Property | May 2026 |
| 4352 | KUNZMAN FEDERAL | Weld County, CO | Oil & Gas Property | May 2026 |
| 4353 | KUPARUK | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4354 | KUPARUK RIV U | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4355 | KUPARUK RIV U | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4356 | KUPARUK RIV U | Harrison Bay Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4357 | KUPARUK RIV U | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4358 | KUPARUK RIV U | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4359 | KUPARUK RIV U | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4360 | KUPARUK RIV U | Harrison Bay Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4361 | KUPARUK RIV U | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4362 | KUPARUK RIV U | Harrison Bay Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4363 | KUPARUK RIV U | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4364 | KUPARUK RIV U MELT | Harrison Bay Quadrangle, AK | Oil & Gas Property | Sep 2021 |
| 4365 | KUPARUK RIV UNIT | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4366 | KUPARUK RIV UNIT | Harrison Bay Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4367 | KUPARUK RIV UNIT | Harrison Bay Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4368 | KUPARUK RIV UNIT | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4369 | KUPARUK RIV UNIT | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4370 | KUPARUK RIV UNIT | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4371 | KUPARUK RIV UNIT | Harrison Bay Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4372 | KUPARUK RIV UNIT | Harrison Bay Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4373 | KUPARUK RIV UNIT | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4374 | KUPARUK RIV UNIT | Harrison Bay Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4375 | KUPARUK RIV UNIT | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4376 | KUPARUK RIV UNIT | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4377 | KUPARUK RIV UNIT | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4378 | KUPARUK RIV UNIT 3B | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4379 | KUPARUK RIV UNIT 3N | Beechey Point Quadrangle, AK | Oil & Gas Property | Feb 2026 |
| 4380 | KUPATT | Haskell County, TX | Oil & Gas Property | Jun 2026 |
| 4381 | KUPETSKY WYO | Wyoming County, PA | Gas Property | Jun 2026 |
| 4382 | KUPPER | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 4383 | KUPPETZ | Trego County, KS | Oil Property | May 2026 |
| 4384 | KUPPETZ | Trego County, KS | Oil Property | Mar 2026 |
| 4385 | KUPSCZNK UNIT | Susquehanna County, PA | Gas Property | Jun 2026 |
| 4386 | KURATI | Waller County, TX | Oil & Gas Property | Mar 2025 |
| 4387 | KURATTI | Waller County, TX | Oil Property | May 2026 |
| 4388 | KUREK, E | Cattaraugus County, NY | Gas Property | Dec 2025 |
| 4389 | KURIO | Lee County, TX | Oil & Gas Property | Feb 2026 |
| 4390 | KURIO UNIT | Lee County, TX | Oil & Gas Property | Dec 2016 |
| 4391 | KURIP 1 | Uintah County, UT | Oil & Gas Property | Jun 2026 |
| 4392 | KURK | Young County, TX | Oil & Gas Property | Jun 2026 |
| 4393 | KURK PEARL | Young County, TX | Oil & Gas Property | Jun 2026 |
| 4394 | KURK WILLIAM | Young County, TX | Oil & Gas Property | May 2026 |
| 4395 | KURLAND | Eddy County, NM | Oil & Gas Property | Jun 2026 |
| 4396 | KURT H HAUFLER A | Lycoming County, PA | Gas Property | May 2026 |
| 4397 | KURTEN WOODBINE UNIT | Brazos County, TX | Oil & Gas Property | Jun 2026 |
| 4398 | KURTEN, MILTON | Brazos County, TX | Oil & Gas Property | Jun 2026 |
| 4399 | KURTH | Angelina County, TX | Oil & Gas Property | May 2026 |
| 4400 | KURTH J.H. JR | Newton County, TX | Oil & Gas Property | Jun 2026 |