| 201 | MISCHLER BADGER | Big Horn County, WY | Oil & Gas Property | Nov 2025 |
| 202 | MISTY MOON LAKE 3874-17-20-1NH | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 203 | MIZE | Weston County, WY | Oil & Gas Property | Sep 2007 |
| 204 | MLT FED | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 205 | MNLS SD UT | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 206 | MOFFIT & PARKS | Campbell County, WY | Gas Property | Dec 2011 |
| 207 | MOFFITT FE | Campbell County, WY | Gas Property | Jun 2013 |
| 208 | MOFFITT-PARKS | Campbell County, WY | Gas Property | May 2012 |
| 209 | MOHAWK | Weston County, WY | Oil & Gas Property | May 2017 |
| 210 | MOHR | Converse County, WY | Oil & Gas Property | Nov 2025 |
| 211 | MOHR | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 212 | MOJAVE | Johnson County, WY | Oil & Gas Property | Dec 2025 |
| 213 | MOJAVE | Johnson County, WY | Oil & Gas Property | Dec 2025 |
| 214 | MOJAVE FEE 4378 | Johnson County, WY | Oil & Gas Property | Feb 2015 |
| 215 | MOKI FED 3672-24 | Converse County, WY | Oil & Gas Property | Nov 2025 |
| 216 | MOLITOR FEDERAL | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 217 | MONARCH-ST | Weston County, WY | Oil & Gas Property | Dec 2025 |
| 218 | MONDELL | Weston County, WY | Oil & Gas Property | Jun 2022 |
| 219 | MONELL | Sweetwater County, WY | Oil & Gas Property | Dec 2025 |
| 220 | MONTANA BERGER | Crook County, WY | Oil & Gas Property | Dec 2025 |
| 221 | MONTE CS FEDERAL | Campbell County, WY | Gas Property | Nov 2014 |
| 222 | MONTE FED COM | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 223 | MONTECRISTO | Fremont County, WY | Oil & Gas Property | Nov 2025 |
| 224 | MONTGOMERY DR | Campbell County, WY | Gas Property | Oct 2019 |
| 225 | MONUMENT | Sweetwater County, WY | Oil & Gas Property | Dec 2025 |
| 226 | MONUMENT | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 227 | MONUMENT | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 228 | MOOLAH CS FED | Campbell County, WY | Gas Property | Aug 2018 |
| 229 | MOONEY | Campbell County, WY | Oil & Gas Property | Sep 2021 |
| 230 | MOONEY DRAW 1H | Campbell County, WY | Oil & Gas Property | Nov 2025 |
| 231 | MOORCROFT | Crook County, WY | Oil & Gas Property | Dec 2025 |
| 232 | MOORE | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 233 | MOORE | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 234 | MOORE | Converse County, WY | Oil & Gas Property | Nov 2025 |
| 235 | MOORE | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 236 | MOORE | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 237 | MOORE | Converse County, WY | Oil & Gas Property | Nov 2025 |
| 238 | MOORE | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 239 | MOORE | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 240 | MOORE | Johnson County, WY | Gas Property | Nov 2025 |
| 241 | MOORE FED | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 242 | MOORE FEDERAL | Johnson County, WY | Oil & Gas Property | Nov 2025 |
| 243 | MOORE LAND FEDERAL | Johnson County, WY | Gas Property | Nov 2025 |
| 244 | MOORE LAND TRUST 36-6 | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 245 | MOORE MINERAL TRUST 4-1 | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 246 | MOORE STATE | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 247 | MOORE TRUST | Campbell County, WY | Gas Property | Oct 2013 |
| 248 | MOORE TRUST FED | Johnson County, WY | Gas Property | Oct 2024 |
| 249 | MORAN | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 250 | MORAN UNIT | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 251 | MOREL | Campbell County, WY | Oil & Gas Property | Oct 1997 |
| 252 | MOREL | Campbell County, WY | Gas Property | Nov 2009 |
| 253 | MOREL | Crook County, WY | Oil Property | Sep 2022 |
| 254 | MORGAN | Campbell County, WY | Oil & Gas Property | Oct 2007 |
| 255 | MORGAN | Weston County, WY | Oil Property | May 2007 |
| 256 | MORGAN | Campbell County, WY | Oil & Gas Property | Sep 2006 |
| 257 | MORPHIUS CS FEDERAL | Campbell County, WY | Gas Property | Sep 2018 |
| 258 | MORRIS | Park County, WY | Oil & Gas Property | Nov 2025 |
| 259 | MORRIS 0112 | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 260 | MORRISON | Park County, WY | Oil & Gas Property | Dec 2025 |
| 261 | MORSE | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 262 | MORSE RANCH | Campbell County, WY | Oil & Gas Property | Sep 1980 |
| 263 | MORTON | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 264 | MORTON | Converse County, WY | Oil & Gas Property | May 2025 |
| 265 | MORTON | Converse County, WY | Oil & Gas Property | Nov 2025 |
| 266 | MORTON | Converse County, WY | Oil & Gas Property | Feb 2016 |
| 267 | MORTON | Johnson County, WY | Oil & Gas Property | Sep 2025 |
| 268 | MORTONS | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 269 | MOSER | Campbell County, WY | Oil & Gas Property | Nov 2010 |
| 270 | MOSQUITO CS FEDERAL | Converse County, WY | Gas Property | Jun 2013 |
| 271 | MOTEL CS FEDERAL | Campbell County, WY | Gas Property | Aug 2015 |
| 272 | MOTION CS FEDERAL | Johnson County, WY | Gas Property | May 2023 |
| 273 | MOUNTAIN FUEL 10 | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 274 | MOXIE FED 4271-6-30 | Campbell County, WY | Oil & Gas Property | Nov 2025 |
| 275 | MOXTOP WELL 6 | Lincoln County, WY | Oil & Gas Property | Dec 2025 |
| 276 | MR TRIBAL | Fremont County, WY | Oil & Gas Property | Nov 2024 |
| 277 | MUDDY CR | Sublette County, WY | Oil & Gas Property | Jan 2007 |
| 278 | MUDDY CREEK | Carbon County, WY | Oil & Gas Property | Nov 2025 |
| 279 | MUDDY CREEK | Carbon County, WY | Oil & Gas Property | Nov 2025 |
| 280 | MUDDY RIDGE | Fremont County, WY | Oil & Gas Property | Apr 2024 |
| 281 | MUIRFIELD FED 3974-2932 2NH | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 282 | MULE | Niobrara County, WY | Oil Property | Sep 2021 |
| 283 | MULE STATELINE | Niobrara County, WY | Oil Property | Dec 2025 |
| 284 | MULEY CS FEDERAL | Campbell County, WY | Gas Property | Aug 2016 |
| 285 | MULL FEDERAL | Sweetwater County, WY | Oil & Gas Property | Dec 2025 |
| 286 | MULLIGAN DRAW | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 287 | MUMMA DRAW | Campbell County, WY | Gas Property | Aug 2012 |
| 288 | MUNGAS 4472-1312-1PH | Campbell County, WY | Oil & Gas Property | Nov 2025 |
| 289 | MUNGO FEDERAL | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 290 | MUNOZ FEDERAL 28-6 | Crook County, WY | Oil Property | Nov 2025 |
| 291 | MURPHY | Weston County, WY | Oil & Gas Property | Nov 2025 |
| 292 | MURRAY | Johnson County, WY | Gas Property | Nov 2025 |
| 293 | MURRAY | Weston County, WY | Oil Property | Jan 2025 |
| 294 | MUSH CREEK | Weston County, WY | Oil & Gas Property | Aug 2023 |
| 295 | MUSKRAT | Fremont County, WY | Oil & Gas Property | Jul 2012 |
| 296 | MUSSELMAN | Campbell County, WY | Gas Property | Feb 2004 |
| 297 | MUSTANG | Laramie County, WY | Oil & Gas Property | Sep 2025 |
| 298 | MUSTANG | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 299 | MUSTANG FEDERAL | Campbell County, WY | Gas Property | Jun 2015 |
| 300 | MUSTANG SALLY | Sweetwater County, WY | Oil & Gas Property | Aug 2014 |