| 34201 | DUNCAN | Duchesne County, UT | Oil & Gas Property | Mar 2026 |
| 34202 | DUNCAN | Matagorda County, TX | Oil & Gas Property | Feb 2026 |
| 34203 | DUNCAN | Okmulgee County, OK | Oil & Gas Property | Dec 2008 |
| 34204 | DUNCAN | Gregg County, TX | Oil & Gas Property | Mar 2026 |
| 34205 | DUNCAN | Carson County, TX | Gas Property | Mar 2026 |
| 34206 | DUNCAN 1 | Uintah County, UT | Oil & Gas Property | Apr 2026 |
| 34207 | DUNCAN 19 | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 34208 | DUNCAN 9 | Howard County, TX | Oil & Gas Property | Feb 2026 |
| 34209 | DUNCAN D | Wharton County, TX | Oil & Gas Property | Mar 2026 |
| 34210 | DUNCAN D 1 | Weld County, CO | Oil & Gas Property | Oct 2020 |
| 34211 | DUNCAN D 20 | Weld County, CO | Oil & Gas Property | Apr 2018 |
| 34212 | DUNCAN FED | Uintah County, UT | Gas Property | Apr 2026 |
| 34213 | DUNCAN FEDERAL | Chaves County, NM | Oil Property | Jul 2019 |
| 34214 | DUNCAN FEDERAL | McKenzie County, ND | Oil & Gas Property | Dec 2020 |
| 34215 | DUNCAN FORK | Washington County, PA | Oil & Gas Property | Dec 2025 |
| 34216 | DUNCAN GARDNER | Love County, OK | Oil & Gas Property | Jul 2024 |
| 34217 | DUNCAN GAS UNIT | Robertson County, TX | Oil & Gas Property | Mar 2026 |
| 34218 | DUNCAN J.J. GAS UNIT | Robertson County, TX | Oil & Gas Property | Mar 2026 |
| 34219 | DUNCAN LH FEDERAL | Chaves County, NM | Oil & Gas Property | Mar 2026 |
| 34220 | DUNCAN SHORES | Coal County, OK | Oil & Gas Property | Mar 2026 |
| 34221 | DUNCAN STATE COM | Chaves County, NM | Oil & Gas Property | Apr 2026 |
| 34222 | DUNCAN UNIT | Tarrant County, TX | Oil & Gas Property | Mar 2026 |
| 34223 | DUNCAN UNIT | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 34224 | DUNCAN UNIT | Lea County, NM | Oil & Gas Property | Aug 1996 |
| 34225 | DUNCAN UNIT | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 34226 | DUNCAN VANSCHAICK | Moffat County, CO | Oil & Gas Property | Mar 2026 |
| 34227 | DUNCAN W.C | Jack County, TX | Oil & Gas Property | Feb 2026 |
| 34228 | DUNCAN, M E | Henderson County, KY | Oil Property | Dec 2020 |
| 34229 | DUNCAN, R | Henderson County, KY | Oil Property | Dec 2018 |
| 34230 | DUNCAN, S | Webster County, KY | Oil Property | Dec 2022 |
| 34231 | DUNCAN-BEAVERS ET AL UNIT | Coleman County, TX | Oil & Gas Property | Feb 2026 |
| 34232 | DUNCAN-WEMPLE | De Soto Parish, LA | Gas Property | Dec 2024 |
| 34233 | DUNDEE 4 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 34234 | DUNDEE LAND & COAL | Tuscarawas County, OH | Oil & Gas Property | Dec 2022 |
| 34235 | DUNDER | McIntosh County, OK | Oil & Gas Property | Mar 2026 |
| 34236 | DUNDICS UNIT | Mahoning County, OH | Oil & Gas Property | Dec 2025 |
| 34237 | DUNDY STATE | Dundy County, NE | Oil Property | Dec 2025 |
| 34238 | DUNE | Beaver County, OK | Oil & Gas Property | Mar 2026 |
| 34239 | DUNE | McClain County, OK | Oil & Gas Property | Mar 2026 |
| 34240 | DUNE RIDGE | Logan County, CO | Oil & Gas Property | Feb 2015 |
| 34241 | DUNE UNIT | La Salle County, TX | Oil & Gas Property | Mar 2026 |
| 34242 | DUNES | Morris County, TX | Oil & Gas Property | Mar 2026 |
| 34243 | DUNES | Winkler County, TX | Oil & Gas Property | Mar 2026 |
| 34244 | DUNFEE | Athens County, OH | Oil & Gas Property | Dec 2017 |
| 34245 | DUNFEE | Muskingum County, OH | Oil & Gas Property | Dec 2025 |
| 34246 | DUNFORD 14-10H | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 34247 | DUNGAN | Grady County, OK | Oil & Gas Property | Mar 2026 |
| 34248 | DUNGAN | Lee County, TX | Oil & Gas Property | Mar 2026 |
| 34249 | DUNGAN 32-5 5 | Archuleta County, CO | Gas Property | Mar 2026 |
| 34250 | DUNGAN-KEY TRUST | San Patricio County, TX | Oil & Gas Property | Mar 2026 |
| 34251 | DUNHAM | Montgomery County, KS | Gas Property | Nov 2024 |
| 34252 | DUNHAM | Wayne County, OH | Oil & Gas Property | Dec 2025 |
| 34253 | DUNHAM | Bradford County, PA | Gas Property | Mar 2026 |
| 34254 | DUNHAM | Young County, TX | Oil & Gas Property | Mar 2026 |
| 34255 | DUNHAM DAVID | Panola County, TX | Oil & Gas Property | Jan 2026 |
| 34256 | DUNHAM, MITCHELL ET AL DUNHAM | Taylor County, WV | Oil & Gas Property | Dec 2021 |
| 34257 | DUNHAM-LEM | Chautauqua County, KS | Oil Property | Feb 2026 |
| 34258 | DUNIGAN | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 34259 | DUNIGAN "12" | Midland County, TX | Oil & Gas Property | Mar 2026 |
| 34260 | DUNIGAN 445 | Yoakum County, TX | Oil Property | Mar 2026 |
| 34261 | DUNIGAN STATE UNIT | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 34262 | DUNKEL | Russell County, KS | Oil Property | Dec 2023 |
| 34263 | DUNKIN | Wagoner County, OK | Gas Property | May 2019 |
| 34264 | DUNKIN | Wagoner County, OK | Oil & Gas Property | May 2019 |
| 34265 | DUNKIN | Garvin County, OK | Oil Property | Mar 2026 |
| 34266 | DUNKIN UNIT | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 34267 | DUNKIN UNIT | Lee County, TX | Oil & Gas Property | Mar 2026 |
| 34268 | DUNKIRK UNIT | Irion County, TX | Oil & Gas Property | Mar 2026 |
| 34269 | DUNKLE | Butler County, KS | Oil Property | Feb 2026 |
| 34270 | DUNKLE'A' | Morton County, KS | Oil & Gas Property | May 2025 |
| 34271 | DUNKLEMAN | Cattaraugus County, NY | Gas Property | Dec 2024 |
| 34272 | DUNKLIN STANLEY J | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 34273 | DUNKS | Harris County, TX | Oil & Gas Property | Dec 2024 |
| 34274 | DUNLAP | Seward County, KS | Oil & Gas Property | Sep 2004 |
| 34275 | DUNLAP | Wood County, WV | Oil & Gas Property | Dec 2021 |
| 34276 | DUNLAP | Licking County, OH | Oil & Gas Property | Dec 2025 |
| 34277 | DUNLAP | Tuscarawas County, OH | Oil & Gas Property | Dec 2025 |
| 34278 | DUNLAP | Crockett County, TX | Oil & Gas Property | Feb 2026 |
| 34279 | DUNLAP | Freestone County, TX | Oil & Gas Property | Mar 2026 |
| 34280 | DUNLAP | Pecos County, TX | Oil & Gas Property | Mar 2026 |
| 34281 | DUNLAP | Stephens County, OK | Oil Property | Mar 2026 |
| 34282 | DUNLAP | Carter County, OK | Oil Property | Apr 2026 |
| 34283 | DUNLAP | Guernsey County, OH | Oil & Gas Property | Dec 2024 |
| 34284 | DUNLAP | Los Angeles County, CA | Oil & Gas Property | Mar 2026 |
| 34285 | DUNLAP | Garvin County, OK | Oil & Gas Property | Mar 2026 |
| 34286 | DUNLAP | Morrill County, NE | Oil & Gas Property | Feb 2024 |
| 34287 | DUNLAP | Creek County, OK | Oil Property | Apr 2026 |
| 34288 | DUNLAP | Jack County, TX | Oil & Gas Property | Mar 2026 |
| 34289 | DUNLAP | Dimmit County, TX | Oil & Gas Property | Mar 2026 |
| 34290 | DUNLAP | Stevens County, KS | Oil & Gas Property | Feb 2026 |
| 34291 | DUNLAP | Campbell County, WY | Oil & Gas Property | Apr 2026 |
| 34292 | DUNLAP | Love County, OK | Oil Property | Nov 2006 |
| 34293 | DUNLAP | Indiana County, PA | Gas Property | Dec 2025 |
| 34294 | DUNLAP | Stevens County, KS | Gas Property | Feb 2026 |
| 34295 | DUNLAP | Rooks County, KS | Oil Property | Feb 2026 |
| 34296 | DUNLAP B.H | Jim Wells County, TX | Oil & Gas Property | Mar 2026 |
| 34297 | DUNLAP GAS UNIT | Freestone County, TX | Oil & Gas Property | Mar 2026 |
| 34298 | DUNLAP II-MCGEE ALLOCATION 1H | Freestone County, TX | Oil & Gas Property | Mar 2026 |
| 34299 | DUNLAP J.G | Stephens County, TX | Oil & Gas Property | Mar 2026 |
| 34300 | DUNLAP, MRS. N. L. EST | Caldwell County, TX | Oil & Gas Property | Mar 2026 |