| 4201 | MCCOLLUM | Pawnee County, OK | Oil Property | Apr 2021 |
| 4202 | MCCOLLUM | Eastland County, TX | Oil & Gas Property | Jan 2023 |
| 4203 | MCCOLLUM | Callahan County, TX | Oil & Gas Property | Jan 2026 |
| 4204 | MCCOLLUM | Andrews County, TX | Oil & Gas Property | Jan 2026 |
| 4205 | MCCOLLUM | McKinley County, NM | Oil & Gas Property | Dec 1999 |
| 4206 | MCCOLLUM | Taylor County, TX | Oil & Gas Property | Feb 2025 |
| 4207 | MCCOLLUM | Alfalfa County, OK | Oil & Gas Property | Feb 2026 |
| 4208 | MCCOLLUM | Alfalfa County, OK | Oil & Gas Property | Feb 2026 |
| 4209 | MCCOLLUM | Major County, OK | Oil & Gas Property | Jan 2026 |
| 4210 | MCCOLLUM A | Caldwell County, TX | Oil & Gas Property | Jan 2026 |
| 4211 | MCCOLLUM A UNIT | Dewitt County, TX | Oil & Gas Property | Sep 2025 |
| 4212 | MCCOLLUM F. T. & WIEBUSCH G. W | Andrews County, TX | Oil & Gas Property | Jan 2026 |
| 4213 | MCCOLLUM GENE A | Upshur County, TX | Oil & Gas Property | Jan 2026 |
| 4214 | MCCOLT | Woodson County, KS | Oil Property | Dec 2025 |
| 4215 | MCCOMAS | Caddo County, OK | Oil & Gas Property | Jan 2026 |
| 4216 | MCCOMAS | Grady County, OK | Oil & Gas Property | Feb 2026 |
| 4217 | MCCOMAS | Grady County, OK | Oil & Gas Property | Feb 2026 |
| 4218 | MCCOMAS | Lincoln County, WV | Gas Property | Dec 2021 |
| 4219 | MCCOMAS | Grady County, OK | Oil & Gas Property | Feb 2026 |
| 4220 | MCCOMAS UNIT | Atascosa County, TX | Oil & Gas Property | Jan 2026 |
| 4221 | MCCOMAS, BETTY | Cumberland County, KY | Oil Property | Nov 2014 |
| 4222 | MCCOMAS, BETTY | Cumberland County, KY | Oil Property | Nov 2021 |
| 4223 | MCCOMB | Stafford County, KS | Oil & Gas Property | Dec 2025 |
| 4224 | MCCOMB | Pike County, MS | Oil & Gas Property | Jul 2024 |
| 4225 | MCCOMB | Dimmit County, TX | Oil Property | Dec 2025 |
| 4226 | MCCOMB FIELD UNIT | Pike County, MS | Oil & Gas Property | Sep 2024 |
| 4227 | MCCOMB FIELD UNIT 22-1 | Pike County, MS | Oil Property | Sep 2024 |
| 4228 | MCCOMB M. GAS UNIT B 1 | Pecos County, TX | Oil & Gas Property | Jan 2026 |
| 4229 | MCCOMBS | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 4230 | MCCOMBS | Coshocton County, OH | Oil & Gas Property | Dec 2023 |
| 4231 | MCCOMBS | Ellis County, KS | Oil Property | Oct 2025 |
| 4232 | MCCONAHAY | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 4233 | MCCONAHAY | Wayne County, OH | Oil & Gas Property | Dec 2024 |
| 4234 | MCCONAL-CLARK | Gaines County, TX | Oil & Gas Property | Jan 2026 |
| 4235 | MCCONATHY | Bienville Parish, LA | Gas Property | Dec 2007 |
| 4236 | MCCONATHY | Pittsburg County, OK | Gas Property | Jan 2026 |
| 4237 | MCCONAUGHEY | Calhoun County, WV | Oil & Gas Property | Dec 2021 |
| 4238 | MCCONAUGHEY | Wirt County, WV | Oil & Gas Property | Dec 2021 |
| 4239 | MCCONIHAY, E. M | Kanawha County, WV | Gas Property | Dec 2021 |
| 4240 | MCCONKEY | Braxton County, WV | Oil & Gas Property | Mar 2018 |
| 4241 | MCCONKEY HX | Chaves County, NM | Oil & Gas Property | Feb 2026 |
| 4242 | MCCONKEY JAMES JANICE | Morgan County, OH | Oil & Gas Property | Dec 2019 |
| 4243 | MCCONKIE | Richland County, OH | Oil Property | Dec 2022 |
| 4244 | MCCONLEY | Logan County, CO | Oil Property | May 2015 |
| 4245 | MCCONNAUGHEY | Laramie County, WY | Oil & Gas Property | Feb 2026 |
| 4246 | MCCONNAUGHEY | Indiana County, PA | Gas Property | Dec 2025 |
| 4247 | MCCONNAUGHEY | Greenwood County, KS | Oil Property | Jun 2025 |
| 4248 | MCCONNEL | Logan County, OK | Oil & Gas Property | Sep 2019 |
| 4249 | MCCONNEL, R | Estill County, KY | Oil Property | Mar 2016 |
| 4250 | MCCONNELL | Indiana County, PA | Gas Property | Dec 2025 |
| 4251 | MCCONNELL | Portage County, OH | Oil & Gas Property | Dec 2025 |
| 4252 | MCCONNELL | Jack County, TX | Oil & Gas Property | Jan 2026 |
| 4253 | MCCONNELL | Grady County, OK | Oil & Gas Property | Aug 2023 |
| 4254 | MCCONNELL | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 4255 | MCCONNELL | Hitchcock County, NE | Oil Property | Dec 2024 |
| 4256 | MCCONNELL | Major County, OK | Oil & Gas Property | Feb 2026 |
| 4257 | MCCONNELL | Custer County, OK | Oil & Gas Property | Jan 2026 |
| 4258 | MCCONNELL | Yuma County, CO | Gas Property | Jan 2026 |
| 4259 | MCCONNELL | Carson County, TX | Oil & Gas Property | Jan 2026 |
| 4260 | MCCONNELL | Jackson Parish, LA | Oil & Gas Property | Jan 2025 |
| 4261 | MCCONNELL | San Juan County, NM | Gas Property | Feb 2026 |
| 4262 | MCCONNELL | Grady County, OK | Oil & Gas Property | Feb 2026 |
| 4263 | MCCONNELL | Ashtabula County, OH | Oil & Gas Property | Dec 2024 |
| 4264 | MCCONNELL | Carson County, TX | Oil & Gas Property | Jan 2026 |
| 4265 | MCCONNELL | Canadian County, OK | Oil & Gas Property | Nov 2025 |
| 4266 | MCCONNELL | Bradford County, PA | Gas Property | Feb 2026 |
| 4267 | MCCONNELL | Stephens County, TX | Oil & Gas Property | May 2019 |
| 4268 | MCCONNELL | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 4269 | MCCONNELL | Caldwell County, TX | Oil & Gas Property | Jan 2026 |
| 4270 | MCCONNELL | Yuma County, CO | Gas Property | Jan 2026 |
| 4271 | MCCONNELL 11-4H | Dunn County, ND | Oil & Gas Property | Feb 2026 |
| 4272 | MCCONNELL C | Campbell County, WY | Gas Property | May 2008 |
| 4273 | MCCONNELL, J. E. - HEIRS | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 4274 | MCCONNELL, MARTHA | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 4275 | MCCOOK | Uintah County, UT | Oil & Gas Property | Feb 2026 |
| 4276 | MCCOOL | Warren County, PA | Oil & Gas Property | Dec 2001 |
| 4277 | MCCOOL & MCCOOL | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 4278 | MCCOOL BROS STONEHAM LEASE LOT 466 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 4279 | MCCOOMIS, BETTY | Cumberland County, KY | Oil Property | Dec 2022 |
| 4280 | MCCORD | Ellis County, KS | Oil Property | Dec 2025 |
| 4281 | MCCORD | Coleman County, TX | Oil & Gas Property | Sep 2016 |
| 4282 | MCCORD | Harris County, TX | Oil & Gas Property | Dec 2025 |
| 4283 | MCCORD | San Juan County, NM | Oil & Gas Property | Feb 2026 |
| 4284 | MCCORD | Coleman County, TX | Oil & Gas Property | Jan 2026 |
| 4285 | MCCORD | Rusk County, TX | Oil & Gas Property | Jan 2026 |
| 4286 | MCCORD BROS 19 | De Soto Parish, LA | Oil & Gas Property | Nov 2024 |
| 4287 | MCCORD ENTERPRISES 23 | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 4288 | MCCORDIE B | Roberts County, TX | Oil & Gas Property | Jan 2026 |
| 4289 | MCCORGARY | Sumner County, KS | Oil Property | Sep 1984 |
| 4290 | MCCORGARY | Kay County, OK | Gas Property | May 2003 |
| 4291 | MCCORGARY | Sumner County, KS | Oil Property | Nov 2025 |
| 4292 | MCCORKLE | Hockley County, TX | Oil & Gas Property | Jan 2026 |
| 4293 | MCCORKLE EULA | Hockley County, TX | Oil & Gas Property | Jan 2026 |
| 4294 | MCCORKLE, W. A | Kanawha County, WV | Oil & Gas Property | Dec 2021 |
| 4295 | MCCORKLE-ELKINS | Young County, TX | Oil & Gas Property | Jan 2026 |
| 4296 | MCCORMACK | Solano County, CA | Oil & Gas Property | Dec 2012 |
| 4297 | MCCORMACK | Solano County, CA | Oil & Gas Property | Dec 2020 |
| 4298 | MCCORMACK | Cooke County, TX | Oil & Gas Property | Jan 2026 |
| 4299 | MCCORMACK | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 4300 | MCCORMACK | Sacramento County, CA | Gas Property | Sep 1996 |