| 5101 | DTR 1 | Kern County, CA | Oil & Gas Property | Jun 2025 |
| 5102 | DTR 2 | Kern County, CA | Oil & Gas Property | Jun 2025 |
| 5103 | DTR 3 | Kern County, CA | Oil & Gas Property | Jun 2025 |
| 5104 | DTR 4 | Kern County, CA | Oil & Gas Property | Jun 2025 |
| 5105 | DTR 5 | Kern County, CA | Oil & Gas Property | Jun 2025 |
| 5106 | DTR 6 | Kern County, CA | Oil & Gas Property | Jun 2025 |
| 5107 | DTR 7 | Kern County, CA | Oil & Gas Property | Jun 2025 |
| 5108 | DTR 8 | Kern County, CA | Oil & Gas Property | Jun 2025 |
| 5109 | DTR 9 | Kern County, CA | Oil & Gas Property | Jun 2025 |
| 5110 | DTR C | Kern County, CA | Oil & Gas Property | Jun 2025 |
| 5111 | DTU 116 | Rio Blanco County, CO | Gas Property | Dec 2019 |
| 5112 | DU3 6 1H | Jefferson County, PA | Gas Property | May 2025 |
| 5113 | DUAINE | Bowman County, ND | Oil & Gas Property | Jun 2025 |
| 5114 | DUANE | Bradford County, PA | Gas Property | May 2025 |
| 5115 | DUANE | Richland County, MT | Oil & Gas Property | May 2025 |
| 5116 | DUANE | Lane County, KS | Oil Property | Dec 2024 |
| 5117 | DUANE 18 | Glasscock County, TX | Oil & Gas Property | May 2025 |
| 5118 | DUANE 32-14-8 | Canadian County, OK | Oil & Gas Property | Apr 2025 |
| 5119 | DUANE BEETS | Miami County, KS | Oil Property | Apr 2025 |
| 5120 | DUANE USA 24-33TFH | Mountrail County, ND | Oil & Gas Property | Jun 2025 |
| 5121 | DUANE WEISEND | Noble County, OH | Gas Property | Dec 2024 |
| 5122 | DUB 21-11-18-2H | Washita County, OK | Oil & Gas Property | Apr 2025 |
| 5123 | DUB FARMS | Rooks County, KS | Oil Property | Apr 2025 |
| 5124 | DUBACH ST | Lincoln Parish, LA | Oil & Gas Property | Jun 2021 |
| 5125 | DUBBEN | Woods County, OK | Oil & Gas Property | Apr 2025 |
| 5126 | DUBBERLY | Claiborne Parish, LA | Oil & Gas Property | Nov 2024 |
| 5127 | DUBBS | Alfalfa County, OK | Gas Property | Aug 2016 |
| 5128 | DUBBS | Ness County, KS | Oil Property | Apr 2025 |
| 5129 | DUBE | Campbell County, WY | Gas Property | May 2012 |
| 5130 | DUBE | Lee County, TX | Oil & Gas Property | May 2025 |
| 5131 | DUBE | Lynn County, TX | Oil Property | Oct 2022 |
| 5132 | DUBE FED | Campbell County, WY | Gas Property | May 2012 |
| 5133 | DUBE GAS UNIT | Hidalgo County, TX | Oil & Gas Property | May 2025 |
| 5134 | DUBE WALTER | Lee County, TX | Oil & Gas Property | May 2025 |
| 5135 | DUBLIN 23 FEDERAL | Eddy County, NM | Oil & Gas Property | Jun 2025 |
| 5136 | DUBLIN 8 FE | Eddy County, NM | Oil & Gas Property | May 2025 |
| 5137 | DUBLIN STATE | Eddy County, NM | Oil & Gas Property | May 2025 |
| 5138 | DUBLIN STATE UNIT | Reeves County, TX | Oil & Gas Property | May 2025 |
| 5139 | DUBOIS | Teton County, MT | Oil Property | Mar 2025 |
| 5140 | DUBOIS | Milam County, TX | Oil & Gas Property | Nov 2016 |
| 5141 | DUBOIS | Sheridan County, KS | Oil Property | Mar 2025 |
| 5142 | DUBOIS | Sedgwick County, KS | Oil Property | May 2000 |
| 5143 | DUBOIS | Moore County, TX | Oil & Gas Property | May 2025 |
| 5144 | DUBOIS | Teton County, MT | Oil Property | Aug 1996 |
| 5145 | DUBOIS | Haskell County, KS | Oil Property | Nov 1996 |
| 5146 | DUBOIS | Logan County, CO | Oil & Gas Property | Jun 2025 |
| 5147 | DUBOIS 3 | Clearfield County, PA | Oil & Gas Property | Dec 2024 |
| 5148 | DUBOIS GAS UNIT | Haskell County, KS | Gas Property | Apr 2025 |
| 5149 | DUBOSE | Caldwell County, TX | Oil & Gas Property | Apr 2025 |
| 5150 | DUBOSE | Gonzales County, TX | Oil & Gas Property | Apr 2025 |
| 5151 | DUBOSE | Gonzales County, TX | Oil & Gas Property | Apr 2024 |
| 5152 | DUBOSE | Bee County, TX | Oil & Gas Property | Jan 2025 |
| 5153 | DUBOSE | Lafayette County, AR | Oil Property | Oct 2011 |
| 5154 | DUBOSE | Martin County, TX | Oil & Gas Property | May 2025 |
| 5155 | DUBOSE | Freestone County, TX | Oil & Gas Property | May 2025 |
| 5156 | DUBOSE 27 | Fayette County, AL | Oil & Gas Property | May 2025 |
| 5157 | DUBOSE LOWERY A | Gonzales County, TX | Oil & Gas Property | Apr 2025 |
| 5158 | DUBOSE UNIT | Gonzales County, TX | Oil & Gas Property | May 2025 |
| 5159 | DUBOSE UNIT NO | Gonzales County, TX | Oil & Gas Property | May 2025 |
| 5160 | DUBRE, WESLEY | Cumberland County, KY | Oil Property | Oct 2014 |
| 5161 | DUBREE, BOBBY & ANDERSON, BETTY | Monroe County, KY | Oil Property | Jun 2004 |
| 5162 | DUBS HUSKY | Fayette County, TX | Oil & Gas Property | May 2025 |
| 5163 | DUBUQUE 5300 14-22B | Williams County, ND | Oil & Gas Property | Jun 2025 |
| 5164 | DUBYA STATE 12 | Reeves County, TX | Oil & Gas Property | Apr 2025 |
| 5165 | DUCHESNE | Duchesne County, UT | Oil & Gas Property | May 2025 |
| 5166 | DUCHESNE UTE TRIBAL | Duchesne County, UT | Oil & Gas Property | Nov 2019 |
| 5167 | DUCHESS 00 | Westmoreland County, PA | Gas Property | Dec 2024 |
| 5168 | DUCK | Trumbull County, OH | Oil & Gas Property | Dec 2024 |
| 5169 | DUCK CLUB | Adams County, CO | Oil & Gas Property | May 2025 |
| 5170 | DUCK CREEK | Uintah County, UT | Oil & Gas Property | May 2025 |
| 5171 | DUCK CREEK | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 5172 | DUCK CREEK | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 5173 | DUCK CREEK | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 5174 | DUCK CREEK 1 | McCone County, MT | Oil & Gas Property | Nov 2024 |
| 5175 | DUCK CREEK UNIT | Stark County, ND | Oil & Gas Property | Jun 2025 |
| 5176 | DUCK FEDERAL | Lea County, NM | Oil & Gas Property | Jun 2025 |
| 5177 | DUCK HUNT 1 | Lea County, NM | Oil & Gas Property | May 2025 |
| 5178 | DUCK IS UNIT | Beechey Point Quadrangle, AK | Oil & Gas Property | Jun 2025 |
| 5179 | DUCK IS UNIT MPI | Beechey Point Quadrangle, AK | Oil & Gas Property | Jun 2025 |
| 5180 | DUCK LAKE | Tarrant County, TX | Gas Property | May 2025 |
| 5181 | DUCK LAKE | Carbon County, WY | Oil & Gas Property | May 2025 |
| 5182 | DUCK LAKE 1 | Carbon County, WY | Oil & Gas Property | May 2025 |
| 5183 | DUCK POND | Adams County, MS | Oil & Gas Property | Aug 1983 |
| 5184 | DUCK POND 21910 36-25 | Midland County, TX | Oil & Gas Property | May 2025 |
| 5185 | DUCKBOARD | La Salle County, TX | Oil & Gas Property | Apr 2025 |
| 5186 | DUCKCREEK | Uintah County, UT | Oil & Gas Property | May 2025 |
| 5187 | DUCKER | Franklin County, MS | Oil & Gas Property | May 2025 |
| 5188 | DUCKETT | Johnson County, TX | Gas Property | May 2025 |
| 5189 | DUCKETT | Sebastian County, AR | Gas Property | Jun 2024 |
| 5190 | DUCKS DU | Shelby County, TX | Oil & Gas Property | May 2025 |
| 5191 | DUCKWORTH | Muskingum County, OH | Oil & Gas Property | Dec 2024 |
| 5192 | DUCKWORTH | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 5193 | DUCKWORTH | Doddridge County, WV | Oil & Gas Property | Aug 2021 |
| 5194 | DUCKWORTH | Kingman County, KS | Oil & Gas Property | Apr 2025 |
| 5195 | DUCKWORTH | Jack County, TX | Oil & Gas Property | May 2025 |
| 5196 | DUCKWORTH | Weld County, CO | Oil & Gas Property | Oct 2022 |
| 5197 | DUCOTE | Grant Parish, LA | Oil Property | Nov 2024 |
| 5198 | DUCOTE | Caddo Parish, LA | Oil & Gas Property | Sep 2024 |
| 5199 | DUDE WILSON G | Ochiltree County, TX | Oil & Gas Property | May 2025 |
| 5200 | DUDECK | Cleburne County, AR | Gas Property | Jul 2024 |