| 201 | M. GRABER | Kearny County, KS | Gas Property | Jun 2025 |
| 202 | M. H. EUBANK | Haskell County, KS | Gas Property | Jun 2025 |
| 203 | M. H. EUBANK 'F' | Haskell County, KS | Gas Property | Jun 2025 |
| 204 | M. H. EUBANK GAS UNIT 'B' | Finney County, KS | Gas Property | Jun 2025 |
| 205 | M. HERMSTEIN | Morris County, KS | Oil Property | Jun 2025 |
| 206 | M. J. BASHARA | Winkler County, TX | Oil & Gas Property | Oct 2024 |
| 207 | M. JOHNSON 35-26-162-98H 1PB | Divide County, ND | Oil & Gas Property | Aug 2025 |
| 208 | M. K. DANIEL | Crockett County, TX | Oil & Gas Property | Jul 2025 |
| 209 | M. K. DREYFUS-BLOCKER | Harrison County, TX | Oil & Gas Property | Jul 2025 |
| 210 | M. KOOPMANN UNIT A | Dewitt County, TX | Oil & Gas Property | Jul 2025 |
| 211 | M. L. MARTIN STATE A2803 1 | Webb County, TX | Gas Property | Jul 2025 |
| 212 | M. L. PATTERSON ( | Wise County, TX | Oil & Gas Property | Jul 2025 |
| 213 | M. L. REYNOLDS | Stevens County, KS | Gas Property | Jun 2025 |
| 214 | M. MACKLIN 15-22 | Williams County, ND | Oil & Gas Property | Aug 2025 |
| 215 | M. MANGELS | Morton County, KS | Gas Property | Jun 2025 |
| 216 | M. MATHEWS | Tuscaloosa County, AL | Gas Property | Oct 2015 |
| 217 | M. MCELROY | Ashtabula County, OH | Oil & Gas Property | Dec 1992 |
| 218 | M. MIDDAUGH | Ashland County, OH | Oil Property | Dec 1991 |
| 219 | M. OBHOF | Ashtabula County, OH | Oil & Gas Property | Dec 2024 |
| 220 | M. OCONNELL | Bottineau County, ND | Oil & Gas Property | Aug 2025 |
| 221 | M. OLSON 20-29 | Williams County, ND | Oil & Gas Property | Aug 2025 |
| 222 | M. OLSON 20-29 1-H | Williams County, ND | Oil & Gas Property | Aug 2025 |
| 223 | M. RAMIREZ GAS UNIT | Duval County, TX | Oil & Gas Property | Feb 2024 |
| 224 | M. SAENZ STATE | Starr County, TX | Oil & Gas Property | Apr 2018 |
| 225 | M. SHORT | Cowley County, KS | Oil Property | Jun 2025 |
| 226 | M. SIMON | Geauga County, OH | Oil & Gas Property | Dec 2024 |
| 227 | M. SORUM | Burke County, ND | Oil & Gas Property | Jan 1970 |
| 228 | M. SWEENEY | Toole County, MT | Oil Property | Nov 2023 |
| 229 | M. T. BOULTINGHOUSE 11 | Midland County, TX | Oil & Gas Property | Jul 2025 |
| 230 | M. T. PEYTON (NEAL) | Freestone County, TX | Oil & Gas Property | Jul 2025 |
| 231 | M. W. DAHLIN GU 1 | Wise County, TX | Oil & Gas Property | Jul 2025 |
| 232 | M. YOUNG | Holmes County, OH | Oil & Gas Property | Dec 2023 |
| 233 | M.-MOCZYGEMBA M.-JONAS C SA | Karnes County, TX | Oil & Gas Property | Jul 2025 |
| 234 | M.A. RITTENOUR | Stevens County, KS | Gas Property | Apr 2001 |
| 235 | M.A.K.(SPRABERRY)UNIT | Andrews County, TX | Oil & Gas Property | Jul 2025 |
| 236 | M.B. MCKNIGHT | Crane County, TX | Oil & Gas Property | Feb 2025 |
| 237 | M.B. NOELKE 2 | Irion County, TX | Oil & Gas Property | Jul 2025 |
| 238 | M.B.LARSON | Rio Blanco County, CO | Oil & Gas Property | Jul 2025 |
| 239 | M.B.S. LOGGING CO | Marion County, WV | Oil & Gas Property | Dec 2021 |
| 240 | M.C SAN | Stevens County, KS | Gas Property | Jun 2025 |
| 241 | M.C. STALLWORTH | Mobile County, AL | Oil & Gas Property | Mar 2021 |
| 242 | M.C.HAGOOD | Rio Blanco County, CO | Oil & Gas Property | Jul 2025 |
| 243 | M.DUTTON | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 244 | M.E. SHAFFER | Kearny County, KS | Gas Property | Jun 2025 |
| 245 | M.E. WINEMAN | Solano County, CA | Oil & Gas Property | Sep 1997 |
| 246 | M.E.CAUD | Pottawatomie County, OK | Oil & Gas Property | Mar 2025 |
| 247 | M.F. ST | Okfuskee County, OK | Oil Property | May 2021 |
| 248 | M.G. LILLIE 1616 GU | Webb County, TX | Oil & Gas Property | Jul 2025 |
| 249 | M.G.M. GRIFFIN G.U. #1 1 | Gregg County, TX | Oil & Gas Property | Jul 2025 |
| 250 | M.H. MURPHY 26-1 | Escambia County, AL | Oil & Gas Property | Jul 2025 |
| 251 | M.H. ODANIEL | Howard County, TX | Oil & Gas Property | Jul 2025 |
| 252 | M.HARJO | Hughes County, OK | Oil & Gas Property | Jun 2025 |
| 253 | M.I. KHAN | Washington County, OK | Oil & Gas Property | Nov 2018 |
| 254 | M.K. OBRIEN UNIT | Bee County, TX | Oil & Gas Property | Jul 2025 |
| 255 | M.L. MOORER | Mobile County, AL | Oil Property | Apr 1968 |
| 256 | M.L. PHILLIPS | Major County, OK | Oil & Gas Property | Dec 2020 |
| 257 | M.L.&I. CO. | Jackson County, TX | Oil & Gas Property | Jul 2025 |
| 258 | M.L.E.I. BRUNI MIN. TR | Webb County, TX | Oil & Gas Property | Jul 2025 |
| 259 | M.L.E.I. MARSHALL S. G | Zapata County, TX | Oil & Gas Property | Jul 2025 |
| 260 | M.M. EDWARDS | Glasscock County, TX | Oil & Gas Property | Jul 2025 |
| 261 | M.M.A. CATTLE CO | Webb County, TX | Oil & Gas Property | Jul 2025 |
| 262 | M.MCCORMICK | Toole County, MT | Oil Property | Jul 2025 |
| 263 | M.O. ROBERTS | Pittsburg County, OK | Gas Property | Jun 2025 |
| 264 | M.S.GREER | Murray County, OK | Oil & Gas Property | Jun 2025 |
| 265 | M.SCOTT | Montgomery County, KS | Gas Property | Jun 2025 |
| 266 | M.T. COLE | Denton County, TX | Oil & Gas Property | Jul 2025 |
| 267 | M.T. COLE-BJ BARNETT (SA) 4 | Denton County, TX | Oil & Gas Property | Jul 2025 |
| 268 | M.T. COLE-NCLE (AW) 1H | Wise County, TX | Oil & Gas Property | Jul 2025 |
| 269 | M.V. KELLY 1 | Mobile County, AL | Oil & Gas Property | Sep 2019 |
| 270 | M.W. CHURCH | Solano County, CA | Oil & Gas Property | Apr 1990 |
| 271 | M.W. DAVIES | Clarke County, AL | Oil Property | Jul 2025 |
| 272 | M.W.C.D | Carroll County, OH | Oil & Gas Property | Dec 2024 |
| 273 | M.W.C.D | Muskingum County, OH | Oil & Gas Property | Dec 2024 |
| 274 | M.W.C.D | Harrison County, OH | Oil & Gas Property | Dec 2009 |
| 275 | M/M GHD LAND INC | McDowell County, WV | Gas Property | Dec 2021 |
| 276 | MA 2758 41-11B | Roosevelt County, MT | Oil & Gas Property | Jul 2025 |
| 277 | MA-STATE | Lincoln County, CO | Oil & Gas Property | Jul 2025 |
| 278 | MAAG | Archer County, TX | Oil & Gas Property | Jul 2025 |
| 279 | MAAG | Russell County, KS | Oil Property | Jun 2025 |
| 280 | MAALI | Gonzales County, TX | Oil & Gas Property | Jul 2025 |
| 281 | MAAS | Cheyenne County, NE | Oil Property | Dec 2024 |
| 282 | MAAS | Pratt County, KS | Oil & Gas Property | Jun 2025 |
| 283 | MAAS USA 11-18TFH | Dunn County, ND | Oil & Gas Property | Aug 2025 |
| 284 | MAASS 1H | Washington County, TX | Oil & Gas Property | Jul 2025 |
| 285 | MAB 15 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 286 | MABEE | Martin County, TX | Oil & Gas Property | Jul 2025 |
| 287 | MABEE | Martin County, TX | Oil & Gas Property | Jul 2025 |
| 288 | MABEE | Martin County, TX | Oil & Gas Property | Jul 2025 |
| 289 | MABEE | Terry County, TX | Oil & Gas Property | Jul 2025 |
| 290 | MABEE | Brown County, TX | Oil & Gas Property | May 1998 |
| 291 | MABEE | Martin County, TX | Oil & Gas Property | Jul 2025 |
| 292 | MABEE | Midland County, TX | Oil & Gas Property | Jul 2025 |
| 293 | MABEE | Andrews County, TX | Oil & Gas Property | Jul 2025 |
| 294 | MABEE | Midland County, TX | Oil & Gas Property | Jul 2025 |
| 295 | MABEE 13-24SL UNIT 2 | Martin County, TX | Oil & Gas Property | May 2025 |
| 296 | MABEE BREEDLOVE | Martin County, TX | Oil & Gas Property | Jul 2025 |
| 297 | MABEE C NORTH | Martin County, TX | Oil & Gas Property | Jul 2025 |
| 298 | MABEE C SOUTH | Martin County, TX | Oil & Gas Property | Jul 2025 |
| 299 | MABEE D | Martin County, TX | Oil & Gas Property | Jul 2025 |
| 300 | MABEE DDA F92 | Andrews County, TX | Oil & Gas Property | Jul 2025 |