| 35101 | DURRETT | Nacogdoches County, TX | Oil & Gas Property | Sep 2019 |
| 35102 | DURRETT | Barbour County, WV | Oil & Gas Property | Dec 2021 |
| 35103 | DURST | Montgomery County, KS | Oil Property | Feb 1997 |
| 35104 | DURST | Mason County, WV | Gas Property | Dec 2021 |
| 35105 | DURWARD | Bryan County, OK | Oil & Gas Property | Dec 2025 |
| 35106 | DURWOOD | Blaine County, OK | Oil & Gas Property | Dec 2025 |
| 35107 | DURWOOD 1H | Johnson County, TX | Gas Property | Dec 2025 |
| 35108 | DURY | Washington County, PA | Gas Property | Dec 2025 |
| 35109 | DUSEK | Upton County, TX | Oil & Gas Property | Dec 2025 |
| 35110 | DUSEK | Tom Green County, TX | Oil & Gas Property | Dec 2025 |
| 35111 | DUSEK | Burleson County, TX | Oil & Gas Property | Nov 2025 |
| 35112 | DUSEK | Fort Bend County, TX | Oil & Gas Property | Dec 2025 |
| 35113 | DUSEK | Burleson County, TX | Oil & Gas Property | Dec 2025 |
| 35114 | DUSEK | McMullen County, TX | Oil & Gas Property | Dec 2025 |
| 35115 | DUSEK | Hill County, MT | Gas Property | Jan 2026 |
| 35116 | DUSEK F. J. TRUST | Hidalgo County, TX | Oil & Gas Property | Dec 2025 |
| 35117 | DUSEK UNIT | Fayette County, TX | Oil & Gas Property | Dec 2025 |
| 35118 | DUSENBERRY | San Juan County, NM | Oil & Gas Property | Jan 2026 |
| 35119 | DUSENBURY | Harper County, KS | Oil & Gas Property | Sep 2025 |
| 35120 | DUSENBURY | Harper County, KS | Oil & Gas Property | Sep 2025 |
| 35121 | DUSENBURY-WHEELER & MERSEREAU | Potter County, PA | Oil & Gas Property | Dec 2024 |
| 35122 | DUSK | Burleson County, TX | Oil & Gas Property | Nov 2025 |
| 35123 | DUSK 54-1-3 | Loving County, TX | Oil & Gas Property | Dec 2025 |
| 35124 | DUSK CS FEDERAL | Campbell County, WY | Gas Property | Aug 2018 |
| 35125 | DUSON | Wharton County, TX | Oil & Gas Property | Nov 2025 |
| 35126 | DUSON RUSSELL UNIT | Wharton County, TX | Oil & Gas Property | Nov 2025 |
| 35127 | DUST COMMANDER 26 STATE 1H | Culberson County, TX | Oil & Gas Property | Dec 2025 |
| 35128 | DUST DEVIL | Culberson County, TX | Oil & Gas Property | Dec 2025 |
| 35129 | DUSTER UNIT | Comanche County, TX | Oil & Gas Property | Mar 2022 |
| 35130 | DUSTIN | Hughes County, OK | Oil & Gas Property | Dec 2025 |
| 35131 | DUSTIN | La Plata County, CO | Gas Property | Dec 2025 |
| 35132 | DUSTY | Howard County, TX | Oil & Gas Property | Dec 2025 |
| 35133 | DUSTY | Barber County, KS | Oil & Gas Property | Sep 2025 |
| 35134 | DUSTY 29-32-1TFH | Mountrail County, ND | Oil & Gas Property | Jan 2026 |
| 35135 | DUTCH | McMullen County, TX | Oil & Gas Property | Dec 2025 |
| 35136 | DUTCH | Canadian County, OK | Oil & Gas Property | Jan 2026 |
| 35137 | DUTCH | Hutchinson County, TX | Oil & Gas Property | Dec 2025 |
| 35138 | DUTCH LAKE | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 35139 | DUTCH NORTH UNIT | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 35140 | DUTCH STATE 24 | Reeves County, TX | Oil & Gas Property | Dec 2025 |
| 35141 | DUTCH UNIT | Grayson County, TX | Oil & Gas Property | Dec 2025 |
| 35142 | DUTCH VALLEY 7-5-1 | Tuscarawas County, OH | Oil & Gas Property | Dec 2025 |
| 35143 | DUTCHER | Los Angeles County, CA | Oil & Gas Property | Dec 2025 |
| 35144 | DUTCHER | Okmulgee County, OK | Oil Property | Sep 2000 |
| 35145 | DUTCHER | Ochiltree County, TX | Oil & Gas Property | Dec 2025 |
| 35146 | DUTCHER | Isabella County, MI | Oil Property | Jan 2026 |
| 35147 | DUTCHMAN | Pontotoc County, OK | Oil Property | Oct 2025 |
| 35148 | DUTCHMAN UT 15-12 4-3-12-1 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 35149 | DUTHIE ANDREWS | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 35150 | DUTKA | Cattaraugus County, NY | Oil & Gas Property | Dec 2024 |
| 35151 | DUTRO | Muskingum County, OH | Oil & Gas Property | Dec 2017 |
| 35152 | DUTT | Yuma County, CO | Gas Property | Dec 2025 |
| 35153 | DUTTER | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 35154 | DUTTON | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 35155 | DUTTON | Wichita County, TX | Oil & Gas Property | Nov 2025 |
| 35156 | DUTTON | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 35157 | DUTTON | Holmes County, OH | Oil & Gas Property | Dec 2024 |
| 35158 | DUTTON | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 35159 | DUTTON | Fort Bend County, TX | Oil & Gas Property | May 2023 |
| 35160 | DUTTON | Bossier Parish, LA | Gas Property | Dec 2024 |
| 35161 | DUTTON | Texas County, OK | Oil & Gas Property | Dec 2025 |
| 35162 | DUTTON | Edwards County, KS | Oil & Gas Property | Aug 2025 |
| 35163 | DUTTON | Red Willow County, NE | Oil Property | Dec 2024 |
| 35164 | DUTTON | Carbon County, WY | Gas Property | Dec 2025 |
| 35165 | DUTTON | Stark County, OH | Oil & Gas Property | Dec 2025 |
| 35166 | DUTTON 1-15H | Carter County, OK | Oil & Gas Property | Dec 2025 |
| 35167 | DUTTON FAMILY LIMITED 1-44 | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 35168 | DUTY GAS UNIT | Live Oak County, TX | Oil & Gas Property | Dec 2025 |
| 35169 | DUTY, W S | Lee County, KY | Oil Property | Dec 2019 |
| 35170 | DUTYS CREEK UNIT 1H | Fayette County, TX | Oil & Gas Property | Dec 2025 |
| 35171 | DUVAL | Duval County, TX | Oil & Gas Property | Dec 2025 |
| 35172 | DUVAL -A- STATE | Pecos County, TX | Oil & Gas Property | Dec 2025 |
| 35173 | DUVAL CO. RANCH | Duval County, TX | Oil & Gas Property | Dec 2025 |
| 35174 | DUVAL CO. RANCH CO | Duval County, TX | Oil & Gas Property | Dec 2025 |
| 35175 | DUVAL CO. RANCH CO. -C | Duval County, TX | Oil & Gas Property | Dec 2025 |
| 35176 | DUVAL COUNTY RANCH | Duval County, TX | Oil & Gas Property | Dec 2025 |
| 35177 | DUVAL COUNTY RANCH CO | Duval County, TX | Oil & Gas Property | Dec 2025 |
| 35178 | DUVAL COUNTY RANCH CO | Duval County, TX | Oil & Gas Property | Oct 2024 |
| 35179 | DUVAL R | Duval County, TX | Oil & Gas Property | Dec 2025 |
| 35180 | DUVAL RANCH | Duval County, TX | Oil & Gas Property | Dec 2025 |
| 35181 | DUVAL RANCH | Duval County, TX | Oil & Gas Property | Dec 2025 |
| 35182 | DUVAL RANCH SEC | Duval County, TX | Oil & Gas Property | Dec 2025 |
| 35183 | DUVAL ROYALTY | Winkler County, TX | Oil & Gas Property | Apr 2025 |
| 35184 | DUVALL | Campbell County, WY | Oil Property | Jan 2026 |
| 35185 | DUVALL | Pope County, AR | Gas Property | Apr 1991 |
| 35186 | DUVALL | Haskell County, OK | Gas Property | Dec 2025 |
| 35187 | DUVALL | Grant County, OK | Oil & Gas Property | Jan 1995 |
| 35188 | DUVALL | Belmont County, OH | Oil & Gas Property | Dec 2025 |
| 35189 | DUVALL | Sequoyah County, OK | Gas Property | Dec 2025 |
| 35190 | DUVALL | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 35191 | DUVALL | Kearny County, KS | Gas Property | Sep 2025 |
| 35192 | DUVALL RANCH | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 35193 | DUVALL, BILLY | Clinton County, KY | Oil Property | Dec 2020 |
| 35194 | DUVALLE | Erath County, TX | Oil & Gas Property | Oct 2017 |
| 35195 | DUVON NELL M | Duval County, TX | Oil & Gas Property | Dec 2025 |
| 35196 | DUWAL | Campbell County, WY | Gas Property | Nov 2008 |
| 35197 | DUWE | Menard County, TX | Oil & Gas Property | Dec 2025 |
| 35198 | DUWE DOUG | Palo Pinto County, TX | Oil & Gas Property | Dec 2025 |
| 35199 | DVIRNAK | Dunn County, ND | Oil & Gas Property | Jan 2026 |
| 35200 | DVORAK | Dunn County, ND | Oil & Gas Property | Jan 2026 |