| 34201 | DUKE 8-8 | White County, AR | Gas Property | Jun 2024 |
| 34202 | DUKE BASIL | Lipscomb County, TX | Oil & Gas Property | Jun 2026 |
| 34203 | DUKE BASIL JR | Ochiltree County, TX | Oil & Gas Property | Jun 2026 |
| 34204 | DUKE E SHC HR 5H | Harrison County, OH | Gas Property | Jun 2026 |
| 34205 | DUKE ESTATE | Claiborne Parish, LA | Oil & Gas Property | Dec 2024 |
| 34206 | DUKE FLOYD | Limestone County, TX | Oil & Gas Property | Jun 2026 |
| 34207 | DUKE FRANC | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 34208 | DUKE RANCH | Goliad County, TX | Oil & Gas Property | Jun 2026 |
| 34209 | DUKE RUDMAN GAS UNIT | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 34210 | DUKE SHC HR 3H | Harrison County, OH | Gas Property | Jun 2026 |
| 34211 | DUKE UNIT 36-72 9-1NH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 34212 | DUKE UNITED | Tarrant County, TX | Gas Property | May 2026 |
| 34213 | DUKE W SHC HR 1H | Harrison County, OH | Gas Property | Jun 2026 |
| 34214 | DUKE WILS | Sutton County, TX | Oil & Gas Property | May 2026 |
| 34215 | DUKE, BERNARD EUGENE BERNARD DUKE | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 34216 | DUKE, CHARLES | Bexar County, TX | Oil & Gas Property | Apr 1999 |
| 34217 | DUKE, E.L | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 34218 | DUKE-KEATHLY | Stephens County, TX | Oil & Gas Property | Jun 2026 |
| 34219 | DUKES | Pontotoc County, OK | Oil Property | Dec 2014 |
| 34220 | DUKES | Roger Mills County, OK | Oil & Gas Property | Nov 2010 |
| 34221 | DUKES | Muhlenberg County, KY | Oil Property | Nov 2023 |
| 34222 | DUKES | Muhlenberg County, KY | Oil Property | Dec 2018 |
| 34223 | DUKES | Muhlenberg County, KY | Oil Property | Sep 2020 |
| 34224 | DUKES | McClain County, OK | Oil & Gas Property | Jun 2026 |
| 34225 | DUKES | Wheeler County, TX | Oil & Gas Property | Jun 2026 |
| 34226 | DUKES | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 34227 | DUKES 7 | Wheeler County, TX | Oil & Gas Property | Jun 2026 |
| 34228 | DUKES FEDERAL LC10-7 | Weld County, CO | Oil & Gas Property | May 2026 |
| 34229 | DUKES, WALLACE | Muhlenberg County, KY | Oil Property | Sep 2020 |
| 34230 | DULABAHN | Texas County, OK | Oil & Gas Property | Jun 2026 |
| 34231 | DULANEY | Tarrant County, TX | Oil & Gas Property | Jun 2026 |
| 34232 | DULANEY FRED | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 34233 | DULANEY, DALE K. MA | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 34234 | DULANEY-BRUNI | Webb County, TX | Oil & Gas Property | May 2026 |
| 34235 | DULCE AMOR | Eddy County, NM | Oil & Gas Property | Jul 2026 |
| 34236 | DULCEY BRA | Bradford County, PA | Gas Property | Jun 2026 |
| 34237 | DULCIMER LAND CO | Harlan County, KY | Oil & Gas Property | Dec 2023 |
| 34238 | DULETSKI | Billings County, ND | Oil & Gas Property | Jun 2026 |
| 34239 | DULETSKI | Stark County, ND | Oil & Gas Property | Jun 2026 |
| 34240 | DULETSKI FEDERAL | Billings County, ND | Oil & Gas Property | Jun 2026 |
| 34241 | DULIN | Garvin County, OK | Oil Property | Oct 2018 |
| 34242 | DULIN #1 | McClain County, OK | Oil & Gas Property | Jun 2026 |
| 34243 | DULIN A | Eastland County, TX | Oil & Gas Property | Feb 2026 |
| 34244 | DULKOSKI | Harrison County, OH | Oil & Gas Property | Jun 2026 |
| 34245 | DULL | Liberty County, MT | Gas Property | Mar 2026 |
| 34246 | DULLKNIFE RESERVOIR 3875-5-8-1NH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 34247 | DULLNIG | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 34248 | DULLNIG UNIT | Dimmit County, TX | Oil & Gas Property | Jun 2026 |
| 34249 | DULLYE 01 | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 34250 | DUMAS | Creek County, OK | Oil Property | Apr 2026 |
| 34251 | DUMAS | Union County, AR | Oil Property | Apr 2013 |
| 34252 | DUMAS | Chouteau County, MT | Gas Property | Jun 2026 |
| 34253 | DUMAS 14-1 | Garfield County, CO | Oil & Gas Property | May 2026 |
| 34254 | DUMBLEDORE 24_13-10N-7W | Grady County, OK | Oil & Gas Property | Jun 2026 |
| 34255 | DUMBLETON | McIntosh County, OK | Gas Property | Nov 2019 |
| 34256 | DUMECK | Medina County, OH | Oil & Gas Property | Dec 2025 |
| 34257 | DUMLER | Ness County, KS | Oil Property | May 2026 |
| 34258 | DUMLER | Russell County, KS | Oil Property | May 2026 |
| 34259 | DUMLER | Russell County, KS | Oil Property | Mar 2026 |
| 34260 | DUMLER | Russell County, KS | Oil Property | May 2026 |
| 34261 | DUMLER | Russell County, KS | Oil Property | May 2026 |
| 34262 | DUMLER | Logan County, KS | Oil Property | Apr 2026 |
| 34263 | DUMLER | Adams County, CO | Oil & Gas Property | May 2018 |
| 34264 | DUMLER | Ellis County, KS | Oil Property | May 2026 |
| 34265 | DUMLER | Russell County, KS | Oil Property | May 2026 |
| 34266 | DUMLER | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 34267 | DUMLER | Barton County, KS | Oil Property | Apr 2026 |
| 34268 | DUMLER | Hemphill County, TX | Oil & Gas Property | Jun 2026 |
| 34269 | DUMMERMUTH | Tuscarawas County, OH | Oil & Gas Property | Dec 2025 |
| 34270 | DUMP UU 28 | Weld County, CO | Oil & Gas Property | Jun 2021 |
| 34271 | DUN A | McMullen County, TX | Oil & Gas Property | Jun 2026 |
| 34272 | DUN B | McMullen County, TX | Oil & Gas Property | Jun 2026 |
| 34273 | DUN C | McMullen County, TX | Oil & Gas Property | Jun 2026 |
| 34274 | DUN D | McMullen County, TX | Oil & Gas Property | Jun 2026 |
| 34275 | DUN E | McMullen County, TX | Oil & Gas Property | Jun 2026 |
| 34276 | DUN F | McMullen County, TX | Oil & Gas Property | Jun 2026 |
| 34277 | DUN G | McMullen County, TX | Oil & Gas Property | Jun 2026 |
| 34278 | DUNAGAN | Liberty County, TX | Oil & Gas Property | Jul 2023 |
| 34279 | DUNAGAN | Ward County, TX | Oil & Gas Property | Jun 2026 |
| 34280 | DUNAGAN A | Latimer County, OK | Gas Property | Jun 2026 |
| 34281 | DUNAVAN | Linn County, KS | Oil Property | Apr 2026 |
| 34282 | DUNAVANT 01-15U | La Plata County, CO | Gas Property | May 2026 |
| 34283 | DUNAWAY | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 34284 | DUNAWAY | Eddy County, NM | Oil & Gas Property | Aug 2019 |
| 34285 | DUNAWAY | Harper County, OK | Oil & Gas Property | Jun 2026 |
| 34286 | DUNAWAY | Parker County, TX | Oil & Gas Property | Feb 2025 |
| 34287 | DUNAWAY | Hutchinson County, TX | Oil & Gas Property | May 2026 |
| 34288 | DUNAWAY GAS UNIT | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 34289 | DUNAWAY W. T. UNIT II | Palo Pinto County, TX | Gas Property | Jun 2026 |
| 34290 | DUNAWAY-FURRH (AW) 1H | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 34291 | DUNBAR | Union County, AR | Oil Property | Jun 2026 |
| 34292 | DUNBAR | Edwards County, TX | Oil Property | Oct 2024 |
| 34293 | DUNBAR | Gaines County, TX | Oil & Gas Property | Jun 2026 |
| 34294 | DUNBAR | Creek County, OK | Oil & Gas Property | May 2009 |
| 34295 | DUNBAR | Taylor County, TX | Oil & Gas Property | Nov 2025 |
| 34296 | DUNBAR | Cheyenne County, KS | Gas Property | May 2026 |
| 34297 | DUNBAR | Blaine County, MT | Gas Property | Jun 2026 |
| 34298 | DUNBAR | Weld County, CO | Oil Property | May 2026 |
| 34299 | DUNBAR | Henderson County, KY | Oil Property | Dec 2023 |
| 34300 | DUNBAR 1 | Weld County, CO | Oil & Gas Property | Nov 2015 |