| 81201 | MASTERSON | Ottawa County, MI | Oil Property | Jul 2025 |
| 81202 | MASTERSON | Pecos County, TX | Oil & Gas Property | May 2025 |
| 81203 | MASTERSON | Perry County, OH | Oil & Gas Property | Dec 2024 |
| 81204 | MASTERSON | Potter County, TX | Oil & Gas Property | May 2025 |
| 81205 | MASTERSON | Potter County, TX | Gas Property | May 2025 |
| 81206 | MASTERSON | Reagan County, TX | Oil & Gas Property | Oct 2023 |
| 81207 | MASTERSON | Brazoria County, TX | Oil Property | Apr 2025 |
| 81208 | MASTERSON | Potter County, TX | Oil & Gas Property | May 2025 |
| 81209 | MASTERSON 2 | Logan County, OK | Oil & Gas Property | Apr 2025 |
| 81210 | MASTERSON 37 | Sutton County, TX | Oil & Gas Property | May 2025 |
| 81211 | MASTERSON 87 | Potter County, TX | Oil & Gas Property | May 2025 |
| 81212 | MASTERSON IRR | Brazoria County, TX | Oil & Gas Property | Sep 2018 |
| 81213 | MASTERSON RED CAVE UNIT | Moore County, TX | Oil & Gas Property | May 2025 |
| 81214 | MASTIFF FEDERAL | Lea County, NM | Oil & Gas Property | May 2025 |
| 81215 | MASTODON | Tarrant County, TX | Gas Property | May 2025 |
| 81216 | MASTON | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 81217 | MASTON 34-27 | McKenzie County, ND | Oil & Gas Property | May 2025 |
| 81218 | MASTRANGELO | Geauga County, OH | Oil & Gas Property | Dec 2024 |
| 81219 | MATA-THOMAS GU | Webb County, TX | Oil & Gas Property | May 2025 |
| 81220 | MATADOR | Richland County, MT | Oil & Gas Property | May 2025 |
| 81221 | MATADOR | Motley County, TX | Oil & Gas Property | Apr 2025 |
| 81222 | MATADOR | Pecos County, TX | Oil & Gas Property | May 2025 |
| 81223 | MATADOR 19 STATE | Lea County, NM | Oil Property | May 2025 |
| 81224 | MATADOR 6-33 | Reeves County, TX | Oil & Gas Property | May 2025 |
| 81225 | MATADOR 646 | Yoakum County, TX | Oil & Gas Property | May 2025 |
| 81226 | MATADOR COWEY ORCA | Dewitt County, TX | Oil & Gas Property | Nov 2024 |
| 81227 | MATADOR DANYSH ORCA | Karnes County, TX | Oil & Gas Property | May 2025 |
| 81228 | MATADOR FEDERAL 2658 43-7H | Richland County, MT | Oil & Gas Property | May 2025 |
| 81229 | MATADOR K. LOVE ORCA | Dewitt County, TX | Oil & Gas Property | Jun 2019 |
| 81230 | MATADOR MR NBL 30 | Noble County, OH | Oil & Gas Property | Mar 2025 |
| 81231 | MATADOR PAWELEK | Karnes County, TX | Oil & Gas Property | May 2025 |
| 81232 | MATADOR SICKENIUS | Karnes County, TX | Oil & Gas Property | May 2025 |
| 81233 | MATAWA MINING & DEV | Boone County, WV | Gas Property | Dec 2021 |
| 81234 | MATCEK | Burleson County, TX | Oil & Gas Property | May 2025 |
| 81235 | MATCEK-ONDRASEK UNIT | Burleson County, TX | Oil & Gas Property | May 2025 |
| 81236 | MATCHETT | Jones County, TX | Oil & Gas Property | May 2025 |
| 81237 | MATCHETT FARM 12122 | Washington County, PA | Gas Property | May 2025 |
| 81238 | MATCHLESS 28 | Martin County, TX | Oil & Gas Property | May 2025 |
| 81239 | MATECHA MARY | Jones County, TX | Oil & Gas Property | May 2025 |
| 81240 | MATEER | Armstrong County, PA | Gas Property | Dec 2024 |
| 81241 | MATEER/SBI | Armstrong County, PA | Gas Property | Dec 2024 |
| 81242 | MATEJEK 01 | Dewitt County, TX | Oil & Gas Property | May 2025 |
| 81243 | MATER | Stanton County, KS | Gas Property | Apr 2025 |
| 81244 | MATER GAS UNIT | Stanton County, KS | Gas Property | Apr 2025 |
| 81245 | MATERN | Los Angeles County, CA | Oil & Gas Property | Dec 2019 |
| 81246 | MATERN A | Morton County, KS | Gas Property | Apr 2025 |
| 81247 | MATERN TRUST 4-21C4 | Duchesne County, UT | Oil & Gas Property | May 2025 |
| 81248 | MATHENEY ED | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 81249 | MATHENY | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 81250 | MATHENY | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 81251 | MATHENY | McIntosh County, OK | Gas Property | Nov 2018 |
| 81252 | MATHENY, C. NORMAN & WANDA | Harrison County, WV | Gas Property | Dec 2021 |
| 81253 | MATHER | Stafford County, KS | Oil Property | Apr 2025 |
| 81254 | MATHER | Glacier County, MT | Gas Property | May 2025 |
| 81255 | MATHER PEAK | Converse County, WY | Oil & Gas Property | May 2025 |
| 81256 | MATHER RANCH 167 (ALLOCATION) 3H | Hemphill County, TX | Oil & Gas Property | May 2025 |
| 81257 | MATHERLY | Creek County, OK | Oil & Gas Property | Mar 2025 |
| 81258 | MATHERLY | Creek County, OK | Oil Property | Dec 2024 |
| 81259 | MATHERLY 6 | Uinta County, WY | Oil & Gas Property | May 2025 |
| 81260 | MATHERS | Hemphill County, TX | Oil & Gas Property | May 2025 |
| 81261 | MATHERS | Gray County, TX | Oil & Gas Property | May 2025 |
| 81262 | MATHERS | Gray County, TX | Oil & Gas Property | Apr 2011 |
| 81263 | MATHERS | Lynn County, TX | Oil & Gas Property | May 2025 |
| 81264 | MATHERS | Gray County, TX | Gas Property | May 2025 |
| 81265 | MATHERS | Coke County, TX | Oil & Gas Property | Apr 2025 |
| 81266 | MATHERS | Guernsey County, OH | Oil & Gas Property | Dec 2024 |
| 81267 | MATHERS | Lea County, NM | Oil & Gas Property | Jun 2025 |
| 81268 | MATHERS | Hemphill County, TX | Oil & Gas Property | May 2025 |
| 81269 | MATHERS | Hemphill County, TX | Oil & Gas Property | May 2025 |
| 81270 | MATHERS-STATE 172-156 CL EX 1H | Hemphill County, TX | Oil & Gas Property | May 2025 |
| 81271 | MATHES | Edwards County, KS | Oil & Gas Property | May 1985 |
| 81272 | MATHES | Grant County, KS | Gas Property | Apr 2025 |
| 81273 | MATHES | Haskell County, KS | Gas Property | Apr 2025 |
| 81274 | MATHES | Pratt County, KS | Oil & Gas Property | Apr 2025 |
| 81275 | MATHESON | Campbell County, WY | Oil & Gas Property | May 2025 |
| 81276 | MATHESON | Campbell County, WY | Oil & Gas Property | Sep 2016 |
| 81277 | MATHESON #1 | Kingfisher County, OK | Oil & Gas Property | Apr 2025 |
| 81278 | MATHESON 7-9-7 | Grady County, OK | Oil & Gas Property | Apr 2025 |
| 81279 | MATHEWS | Clay County, TX | Oil & Gas Property | May 2025 |
| 81280 | MATHEWS | McKean County, PA | Gas Property | Dec 2024 |
| 81281 | MATHEWS | Muskogee County, OK | Oil & Gas Property | Mar 2025 |
| 81282 | MATHEWS | Haskell County, OK | Gas Property | Apr 2025 |
| 81283 | MATHEWS | Greene County, PA | Oil & Gas Property | May 2025 |
| 81284 | MATHEWS | Weld County, CO | Oil & Gas Property | May 2025 |
| 81285 | MATHEWS | Nowata County, OK | Gas Property | Oct 2018 |
| 81286 | MATHEWS | Hansford County, TX | Gas Property | May 2025 |
| 81287 | MATHEWS | Harris County, TX | Oil & Gas Property | Apr 2025 |
| 81288 | MATHEWS | Ellsworth County, KS | Oil Property | Feb 2025 |
| 81289 | MATHEWS | Barber County, KS | Oil & Gas Property | Apr 2025 |
| 81290 | MATHEWS | Hansford County, TX | Oil & Gas Property | May 2025 |
| 81291 | MATHEWS | Tuscaloosa County, AL | Gas Property | May 2025 |
| 81292 | MATHEWS | Barber County, KS | Oil & Gas Property | Mar 2025 |
| 81293 | MATHEWS | Foard County, TX | Gas Property | May 2025 |
| 81294 | MATHEWS | Hutchinson County, TX | Oil & Gas Property | May 2025 |
| 81295 | MATHEWS | Tom Green County, TX | Oil & Gas Property | Mar 2024 |
| 81296 | MATHEWS #1 | Seminole County, OK | Oil & Gas Property | Apr 2025 |
| 81297 | MATHEWS 1-10H | Ellis County, OK | Oil & Gas Property | Apr 2025 |
| 81298 | MATHEWS 2 | Allegany County, NY | Oil & Gas Property | Dec 2024 |
| 81299 | MATHEWS A | Montague County, TX | Oil & Gas Property | May 2025 |
| 81300 | MATHEWS FANNIE | Andrews County, TX | Oil & Gas Property | Oct 2022 |