| 81301 | MCCAW | La Plata County, CO | Gas Property | Feb 2025 |
| 81302 | MCCAW BT | Eddy County, NM | Oil & Gas Property | Apr 2017 |
| 81303 | MCCAY M-598 | Clearfield County, PA | Gas Property | Dec 2024 |
| 81304 | MCCAY-BIA | Caddo County, OK | Oil & Gas Property | Jan 2025 |
| 81305 | MCCELVEY | La Salle County, TX | Oil & Gas Property | Jan 2025 |
| 81306 | MCCELVEY WEIMER HC1 | La Salle County, TX | Oil & Gas Property | Jan 2025 |
| 81307 | MCCHESNEY | Natrona County, WY | Oil Property | Feb 2025 |
| 81308 | MCCHESNEY | Chautauqua County, NY | Gas Property | Dec 2023 |
| 81309 | MCCHESNEY | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 81310 | MCCHESNEY | Morrow County, OH | Oil & Gas Property | Dec 2023 |
| 81311 | MCCHESNEY UNIT | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 81312 | MCCLAIN | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 81313 | MCCLAIN | Coshocton County, OH | Oil & Gas Property | Dec 2023 |
| 81314 | MCCLAIN | Morton County, KS | Oil & Gas Property | Dec 2024 |
| 81315 | MCCLAIN | Trinity County, TX | Oil & Gas Property | Jan 2025 |
| 81316 | MCCLAIN | Grady County, OK | Oil & Gas Property | Jan 2025 |
| 81317 | MCCLAIN | Carroll County, OH | Oil Property | Dec 2006 |
| 81318 | MCCLAIN | Webster County, KY | Oil Property | Dec 2023 |
| 81319 | MCCLAIN | Le Flore County, OK | Gas Property | Jan 2025 |
| 81320 | MCCLAIN | Grady County, OK | Oil & Gas Property | Jan 2025 |
| 81321 | MCCLAIN | Caddo County, OK | Oil & Gas Property | Jan 2025 |
| 81322 | MCCLAIN | Jefferson County, OK | Oil Property | Jan 2025 |
| 81323 | MCCLAIN | Hocking County, OH | Oil & Gas Property | Dec 1998 |
| 81324 | MCCLAIN | Nemaha County, KS | Oil Property | Dec 2024 |
| 81325 | MCCLAIN | Licking County, OH | Oil & Gas Property | Dec 2024 |
| 81326 | MCCLAIN | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 81327 | MCCLAIN | Fayette County, PA | Oil & Gas Property | Dec 2024 |
| 81328 | MCCLAIN 8 | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 81329 | MCCLAIN, HELEN | Lewis County, WV | Gas Property | Dec 2021 |
| 81330 | MCCLAIN, JAMES | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 81331 | MCCLANAHAN | Stephens County, OK | Oil Property | Jan 2025 |
| 81332 | MCCLANAHAN | Dewitt County, TX | Oil & Gas Property | Jan 2025 |
| 81333 | MCCLANAHAN | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 81334 | MCCLANAHAN | Texas County, OK | Oil & Gas Property | Jan 2025 |
| 81335 | MCCLANAHAN 1 | Johnson County, TX | Gas Property | Jan 2025 |
| 81336 | MCCLANAHAN, JAMES N | Labette County, KS | Gas Property | Dec 2024 |
| 81337 | MCCLANAHAN-BLACKWELL 2 (SA) B | Dewitt County, TX | Oil & Gas Property | Jan 2025 |
| 81338 | MCCLANE | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 81339 | MCCLARAN | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 81340 | MCCLARAN J. C | Limestone County, TX | Oil & Gas Property | Jan 2025 |
| 81341 | MCCLAREN | Grant County, KS | Gas Property | Dec 2024 |
| 81342 | MCCLAREN | Kiowa County, KS | Oil & Gas Property | Nov 2024 |
| 81343 | MCCLAREN | Grant County, KS | Gas Property | Dec 2024 |
| 81344 | MCCLAREN | Grant County, KS | Gas Property | Dec 2024 |
| 81345 | MCCLAREN T. J. GAS UNIT | Limestone County, TX | Oil & Gas Property | Jan 2025 |
| 81346 | MCCLAREN, MARY | Conway County, AR | Gas Property | Jun 2020 |
| 81347 | MCCLASKEY | Sumner County, KS | Oil & Gas Property | Dec 2024 |
| 81348 | MCCLASKEY | Kay County, OK | Oil Property | Jan 2025 |
| 81349 | MCCLATCHEY-GAUVEY | Crockett County, TX | Oil Property | Feb 2024 |
| 81350 | MCCLATCHY | Young County, TX | Oil Property | Dec 2024 |
| 81351 | MCCLAUGHERTY | McMullen County, TX | Oil & Gas Property | Jan 2025 |
| 81352 | MCCLAY | Licking County, OH | Oil & Gas Property | Dec 2023 |
| 81353 | MCCLAY | Rooks County, KS | Oil Property | Dec 2024 |
| 81354 | MCCLAY | Weld County, CO | Oil & Gas Property | Dec 2018 |
| 81355 | MCCLAY FEDERAL | Eddy County, NM | Oil Property | Mar 2023 |
| 81356 | MCCLAY J | Washington County, PA | Oil Property | Dec 1993 |
| 81357 | MCCLEARY | Lubbock County, TX | Oil & Gas Property | Jan 2025 |
| 81358 | MCCLEARY | Jefferson County, PA | Gas Property | Dec 2024 |
| 81359 | MCCLELLAN | Chaves County, NM | Gas Property | Oct 2021 |
| 81360 | MCCLELLAN | Hardeman County, TX | Oil & Gas Property | Jan 2025 |
| 81361 | MCCLELLAN | Warren County, KY | Oil & Gas Property | Dec 2023 |
| 81362 | MCCLELLAN | Hardeman County, TX | Oil & Gas Property | Jan 2025 |
| 81363 | MCCLELLAN | Campbell County, WY | Oil & Gas Property | Aug 1994 |
| 81364 | MCCLELLAN | Rooks County, KS | Oil Property | Dec 2024 |
| 81365 | MCCLELLAN | Hansford County, TX | Oil & Gas Property | Dec 2024 |
| 81366 | MCCLELLAN | Scott County, KS | Oil Property | Oct 2024 |
| 81367 | MCCLELLAN | Weld County, CO | Oil & Gas Property | Feb 2017 |
| 81368 | MCCLELLAN | Franklin County, KS | Oil Property | Dec 2024 |
| 81369 | MCCLELLAN | Milam County, TX | Oil & Gas Property | Jan 2025 |
| 81370 | MCCLELLAN | Roger Mills County, OK | Oil & Gas Property | Feb 2025 |
| 81371 | MCCLELLAN | Brown County, TX | Gas Property | Nov 2023 |
| 81372 | MCCLELLAN 1 | De Soto Parish, LA | Gas Property | Dec 2024 |
| 81373 | MCCLELLAN 11 | Roger Mills County, OK | Oil & Gas Property | Feb 2025 |
| 81374 | MCCLELLAN M | Chaves County, NM | Oil & Gas Property | Jan 2025 |
| 81375 | MCCLELLAND | Medina County, OH | Oil & Gas Property | Dec 2005 |
| 81376 | MCCLELLAND | Stephens County, OK | Oil & Gas Property | Jan 2025 |
| 81377 | MCCLELLAND | Grant County, KS | Oil & Gas Property | Dec 2024 |
| 81378 | MCCLELLAND | Greenwood County, KS | Oil Property | Dec 2024 |
| 81379 | MCCLELLAND | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 81380 | MCCLELLAND | Texas County, OK | Gas Property | Jan 2025 |
| 81381 | MCCLELLAND | Upshur County, TX | Oil & Gas Property | Jan 2025 |
| 81382 | MCCLELLAND | Live Oak County, TX | Oil & Gas Property | Jan 2025 |
| 81383 | MCCLELLAND | Campbell County, WY | Gas Property | Apr 2011 |
| 81384 | MCCLENDON | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 81385 | MCCLENDON | Cherokee County, TX | Oil & Gas Property | Jan 2025 |
| 81386 | MCCLENDON | Lafayette County, AR | Oil Property | Apr 2018 |
| 81387 | MCCLENDON | Denton County, TX | Oil & Gas Property | Jan 2025 |
| 81388 | MCCLESKEY | Eastland County, TX | Oil & Gas Property | Dec 2024 |
| 81389 | MCCLESKEY E. J | Stephens County, TX | Gas Property | Sep 2024 |
| 81390 | MCCLIMANS | Mercer County, PA | Oil & Gas Property | Dec 2024 |
| 81391 | MCCLINTIC | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 81392 | MCCLINTIC | Crane County, TX | Oil & Gas Property | Jan 2025 |
| 81393 | MCCLINTIC JAMES W. GAS UNIT 1 | Limestone County, TX | Oil & Gas Property | Jan 2025 |
| 81394 | MCCLINTIC TRUST | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 81395 | MCCLINTIC, E | Putnam County, WV | Oil & Gas Property | Dec 2021 |
| 81396 | MCCLINTICK | Crawford County, KS | Oil Property | Jul 2018 |
| 81397 | MCCLINTOCK | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 81398 | MCCLINTOCK | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 81399 | MCCLINTON | Anderson County, TX | Oil & Gas Property | Jan 2025 |
| 81400 | MCCLINTON, E. F | Wichita County, TX | Oil & Gas Property | Sep 2007 |