| 5201 | DUGGAN | Stafford County, KS | Oil Property | May 2026 |
| 5202 | DUGGAN 12 FEDERAL | Eddy County, NM | Oil & Gas Property | Jun 2026 |
| 5203 | DUGGAN RWF | Garfield County, CO | Oil & Gas Property | May 2026 |
| 5204 | DUGGAN SLAUGHTER | Cochran County, TX | Oil & Gas Property | Jun 2026 |
| 5205 | DUGGAN-HARRELL ( | Stephens County, TX | Oil & Gas Property | May 2026 |
| 5206 | DUGGER | Washita County, OK | Oil & Gas Property | Jul 2026 |
| 5207 | DUGGER | Nueces County, TX | Oil & Gas Property | May 2026 |
| 5208 | DUGGER | Nueces County, TX | Oil & Gas Property | Sep 2025 |
| 5209 | DUGGER | Roger Mills County, OK | Oil & Gas Property | Jul 2026 |
| 5210 | DUGGER | Dawson County, TX | Oil & Gas Property | May 2026 |
| 5211 | DUGGER | Caddo County, OK | Oil & Gas Property | Jun 2026 |
| 5212 | DUGGER | Ellis County, OK | Oil & Gas Property | Jul 2026 |
| 5213 | DUGGER | Caddo Parish, LA | Oil & Gas Property | Nov 2024 |
| 5214 | DUGGER -A | Upshur County, TX | Oil & Gas Property | Jun 2026 |
| 5215 | DUGGER HEWLETT | Somervell County, TX | Oil & Gas Property | Jun 2026 |
| 5216 | DUGITE | Weld County, CO | Oil & Gas Property | May 2026 |
| 5217 | DUGOUT CREEK 1/12 BO | Roger Mills County, OK | Oil & Gas Property | Jun 2026 |
| 5218 | DUGOUT DRAW FEDERAL | Campbell County, WY | Gas Property | Jun 2012 |
| 5219 | DUGOUT FEDERAL 1-15 | Richland County, MT | Oil & Gas Property | Jun 2026 |
| 5220 | DUHRING | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 5221 | DUIKER STATE | Reeves County, TX | Oil & Gas Property | May 2026 |
| 5222 | DUINK | Chautauqua County, NY | Gas Property | Dec 2025 |
| 5223 | DUKE | Carter County, OK | Oil Property | Jun 2026 |
| 5224 | DUKE | Lipscomb County, TX | Oil & Gas Property | May 2026 |
| 5225 | DUKE | Ohio County, KY | Oil Property | Dec 2023 |
| 5226 | DUKE | Weld County, CO | Oil & Gas Property | Feb 2020 |
| 5227 | DUKE | Hill County, TX | Gas Property | Jun 2026 |
| 5228 | DUKE | Tarrant County, TX | Gas Property | Jun 2026 |
| 5229 | DUKE | Claiborne Parish, LA | Oil & Gas Property | Dec 2024 |
| 5230 | DUKE | Lipscomb County, TX | Oil & Gas Property | Jun 2026 |
| 5231 | DUKE | Grady County, OK | Oil & Gas Property | Mar 2026 |
| 5232 | DUKE | Fisher County, TX | Oil & Gas Property | Jun 2026 |
| 5233 | DUKE | Lipscomb County, TX | Oil & Gas Property | Jun 2026 |
| 5234 | DUKE | Gaines County, TX | Oil & Gas Property | Jun 2026 |
| 5235 | DUKE | Allegany County, NY | Oil & Gas Property | Dec 2025 |
| 5236 | DUKE | Caldwell County, TX | Oil & Gas Property | Jun 2026 |
| 5237 | DUKE | Union County, AR | Oil & Gas Property | Jul 2026 |
| 5238 | DUKE | Ochiltree County, TX | Oil & Gas Property | Jun 2026 |
| 5239 | DUKE | Madison County, TX | Oil & Gas Property | May 2026 |
| 5240 | DUKE | Howard County, TX | Oil & Gas Property | May 2026 |
| 5241 | DUKE | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 5242 | DUKE | Grady County, OK | Oil & Gas Property | Jan 2010 |
| 5243 | DUKE | Claiborne Parish, LA | Oil & Gas Property | Nov 2024 |
| 5244 | DUKE | Harrison County, TX | Oil & Gas Property | Mar 2026 |
| 5245 | DUKE | McIntosh County, OK | Gas Property | Jun 2026 |
| 5246 | DUKE 18-35-8 1H | Harper County, KS | Oil & Gas Property | May 2026 |
| 5247 | DUKE 22-27 27 | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 5248 | DUKE 34X-31 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 5249 | DUKE 8-8 | White County, AR | Gas Property | Jun 2024 |
| 5250 | DUKE BASIL | Lipscomb County, TX | Oil & Gas Property | Jun 2026 |
| 5251 | DUKE BASIL JR | Ochiltree County, TX | Oil & Gas Property | Jun 2026 |
| 5252 | DUKE E SHC HR 5H | Harrison County, OH | Gas Property | Jun 2026 |
| 5253 | DUKE ESTATE | Claiborne Parish, LA | Oil & Gas Property | Dec 2024 |
| 5254 | DUKE FLOYD | Limestone County, TX | Oil & Gas Property | Jun 2026 |
| 5255 | DUKE FRANC | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 5256 | DUKE RANCH | Goliad County, TX | Oil & Gas Property | Jun 2026 |
| 5257 | DUKE RUDMAN GAS UNIT | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 5258 | DUKE SHC HR 3H | Harrison County, OH | Gas Property | Jun 2026 |
| 5259 | DUKE UNIT 36-72 9-1NH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 5260 | DUKE UNITED | Tarrant County, TX | Gas Property | May 2026 |
| 5261 | DUKE W SHC HR 1H | Harrison County, OH | Gas Property | Jun 2026 |
| 5262 | DUKE WILS | Sutton County, TX | Oil & Gas Property | May 2026 |
| 5263 | DUKE, BERNARD EUGENE BERNARD DUKE | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 5264 | DUKE, CHARLES | Bexar County, TX | Oil & Gas Property | Apr 1999 |
| 5265 | DUKE, E.L | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 5266 | DUKE-KEATHLY | Stephens County, TX | Oil & Gas Property | Jun 2026 |
| 5267 | DUKES | Pontotoc County, OK | Oil Property | Dec 2014 |
| 5268 | DUKES | Roger Mills County, OK | Oil & Gas Property | Nov 2010 |
| 5269 | DUKES | Muhlenberg County, KY | Oil Property | Nov 2023 |
| 5270 | DUKES | Muhlenberg County, KY | Oil Property | Dec 2018 |
| 5271 | DUKES | Muhlenberg County, KY | Oil Property | Sep 2020 |
| 5272 | DUKES | McClain County, OK | Oil & Gas Property | Jun 2026 |
| 5273 | DUKES | Wheeler County, TX | Oil & Gas Property | Jun 2026 |
| 5274 | DUKES | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 5275 | DUKES 7 | Wheeler County, TX | Oil & Gas Property | Jun 2026 |
| 5276 | DUKES FEDERAL LC10-7 | Weld County, CO | Oil & Gas Property | May 2026 |
| 5277 | DUKES, WALLACE | Muhlenberg County, KY | Oil Property | Sep 2020 |
| 5278 | DULABAHN | Texas County, OK | Oil & Gas Property | Jun 2026 |
| 5279 | DULANEY | Tarrant County, TX | Oil & Gas Property | Jun 2026 |
| 5280 | DULANEY FRED | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 5281 | DULANEY, DALE K. MA | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 5282 | DULANEY-BRUNI | Webb County, TX | Oil & Gas Property | May 2026 |
| 5283 | DULCE AMOR | Eddy County, NM | Oil & Gas Property | Jul 2026 |
| 5284 | DULCEY BRA | Bradford County, PA | Gas Property | Jun 2026 |
| 5285 | DULCIMER LAND CO | Harlan County, KY | Oil & Gas Property | Dec 2023 |
| 5286 | DULETSKI | Billings County, ND | Oil & Gas Property | Jun 2026 |
| 5287 | DULETSKI | Stark County, ND | Oil & Gas Property | Jun 2026 |
| 5288 | DULETSKI FEDERAL | Billings County, ND | Oil & Gas Property | Jun 2026 |
| 5289 | DULIN | Garvin County, OK | Oil Property | Oct 2018 |
| 5290 | DULIN #1 | McClain County, OK | Oil & Gas Property | Jun 2026 |
| 5291 | DULIN A | Eastland County, TX | Oil & Gas Property | Feb 2026 |
| 5292 | DULKOSKI | Harrison County, OH | Oil & Gas Property | Jun 2026 |
| 5293 | DULL | Liberty County, MT | Gas Property | Mar 2026 |
| 5294 | DULLKNIFE RESERVOIR 3875-5-8-1NH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 5295 | DULLNIG | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 5296 | DULLNIG UNIT | Dimmit County, TX | Oil & Gas Property | Jun 2026 |
| 5297 | DULLYE 01 | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 5298 | DUMAS | Creek County, OK | Oil Property | Apr 2026 |
| 5299 | DUMAS | Union County, AR | Oil Property | Apr 2013 |
| 5300 | DUMAS | Chouteau County, MT | Gas Property | Jun 2026 |