| 5101 | DUDE WILSON G | Ochiltree County, TX | Oil & Gas Property | Jun 2026 |
| 5102 | DUDECK | Cleburne County, AR | Gas Property | Jul 2024 |
| 5103 | DUDECK HEIRS GAS UNIT | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 5104 | DUDEK 1 | Logan County, OK | Oil & Gas Property | Jun 2026 |
| 5105 | DUDERSTADT | Dewitt County, TX | Oil & Gas Property | Apr 2022 |
| 5106 | DUDERSTADT | Goliad County, TX | Oil & Gas Property | May 2013 |
| 5107 | DUDERSTADT | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 5108 | DUDES RUG | Wilson County, TX | Oil & Gas Property | Jun 2026 |
| 5109 | DUDGEON | Cowley County, KS | Oil Property | Feb 1982 |
| 5110 | DUDGEON | Kiowa County, OK | Oil Property | Apr 2004 |
| 5111 | DUDGEON | Knox County, OH | Oil & Gas Property | Dec 2025 |
| 5112 | DUDGEON 1 | Morton County, KS | Gas Property | Jan 2010 |
| 5113 | DUDLEY | Stevens County, KS | Gas Property | May 2026 |
| 5114 | DUDLEY | Kern County, CA | Oil Property | Dec 2006 |
| 5115 | DUDLEY | Carter County, OK | Oil & Gas Property | Sep 2007 |
| 5116 | DUDLEY | Eastland County, TX | Oil & Gas Property | Jun 2026 |
| 5117 | DUDLEY | Neosho County, KS | Oil & Gas Property | May 2026 |
| 5118 | DUDLEY | Allen County, KS | Oil Property | Jan 2026 |
| 5119 | DUDLEY | Noble County, OH | Oil & Gas Property | Dec 2021 |
| 5120 | DUDLEY | Ochiltree County, TX | Oil & Gas Property | Jun 2026 |
| 5121 | DUDLEY | Rusk County, TX | Oil & Gas Property | Apr 2022 |
| 5122 | DUDLEY | Barry County, MI | Oil Property | Jun 2026 |
| 5123 | DUDLEY | Moore County, TX | Gas Property | May 2026 |
| 5124 | DUDLEY | Monterey County, CA | Oil & Gas Property | Jul 2026 |
| 5125 | DUDLEY | Noble County, OH | Gas Property | Dec 2025 |
| 5126 | DUDLEY | Crockett County, TX | Oil & Gas Property | Jun 2026 |
| 5127 | DUDLEY | Runnels County, TX | Oil & Gas Property | Jun 2026 |
| 5128 | DUDLEY | Los Angeles County, CA | Oil Property | Nov 1986 |
| 5129 | DUDLEY 10 | Winkler County, TX | Oil & Gas Property | Jun 2026 |
| 5130 | DUDLEY DAWSON | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 5131 | DUDLEY FARMS UNIT | Hill County, TX | Oil & Gas Property | Jun 2026 |
| 5132 | DUDLEY TOWNSHIP | Haskell County, KS | Oil Property | Jan 2024 |
| 5133 | DUDLEY/MAY | Guernsey County, OH | Oil & Gas Property | Dec 2012 |
| 5134 | DUDREY | Pratt County, KS | Oil & Gas Property | May 2026 |
| 5135 | DUDREY | Stafford County, KS | Oil Property | Sep 2024 |
| 5136 | DUDREY | Stafford County, KS | Oil Property | Apr 2026 |
| 5137 | DUDREY | Seward County, KS | Gas Property | Oct 2025 |
| 5138 | DUDREY | Stafford County, KS | Oil & Gas Property | May 2026 |
| 5139 | DUDREY | Stafford County, KS | Oil Property | Feb 2026 |
| 5140 | DUELL | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 5141 | DUELL | Sherman County, KS | Gas Property | May 2026 |
| 5142 | DUELL 32-6 5 | La Plata County, CO | Gas Property | May 2026 |
| 5143 | DUELL TRUSTS 3 | Cheyenne County, KS | Gas Property | May 2026 |
| 5144 | DUEPPENGIESSER | Wyoming County, NY | Gas Property | Dec 2025 |
| 5145 | DUER | Woodward County, OK | Oil & Gas Property | Jul 2026 |
| 5146 | DUERKSEN | Marion County, KS | Oil & Gas Property | Feb 2026 |
| 5147 | DUERR UNIT | Tuscarawas County, OH | Oil & Gas Property | Dec 2025 |
| 5148 | DUERR, THOMAS | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 5149 | DUERSON | Jack County, TX | Oil & Gas Property | Jun 2026 |
| 5150 | DUESER | Rice County, KS | Oil Property | May 2026 |
| 5151 | DUESING | Finney County, KS | Gas Property | Apr 2025 |
| 5152 | DUESSEN-DUNN UNIT | Denton County, TX | Oil & Gas Property | Sep 2023 |
| 5153 | DUET 148-93-18C-07-1H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 5154 | DUFERS | San Juan County, NM | Oil & Gas Property | Jul 2008 |
| 5155 | DUFF | San Juan County, NM | Gas Property | Jun 2026 |
| 5156 | DUFF | Roger Mills County, OK | Oil & Gas Property | Jun 2026 |
| 5157 | DUFF | San Juan County, NM | Gas Property | Jun 2026 |
| 5158 | DUFF | Okmulgee County, OK | Oil & Gas Property | Jun 2026 |
| 5159 | DUFF | Washington County, OH | Oil Property | Dec 2025 |
| 5160 | DUFF | Westmoreland County, PA | Gas Property | Jun 2026 |
| 5161 | DUFF | Polk County, TX | Oil & Gas Property | Jan 2023 |
| 5162 | DUFF | Tom Green County, TX | Oil & Gas Property | Feb 2026 |
| 5163 | DUFF 'O' 1 | Haskell County, KS | Oil Property | Mar 2015 |
| 5164 | DUFF 7 | Glasscock County, TX | Oil & Gas Property | May 2026 |
| 5165 | DUFF A.H. ESTATE | Schleicher County, TX | Oil & Gas Property | Jun 2026 |
| 5166 | DUFF B FEDERAL | Sandoval County, NM | Gas Property | Jul 2025 |
| 5167 | DUFF GAS COM | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 5168 | DUFF, DONALD 15 | Neosho County, KS | Gas Property | May 2026 |
| 5169 | DUFF-SHELL | Kern County, CA | Oil & Gas Property | Jul 2026 |
| 5170 | DUFFER | Eastland County, TX | Oil & Gas Property | Jun 2026 |
| 5171 | DUFFIELD | Eddy County, NM | Oil & Gas Property | May 2026 |
| 5172 | DUFFIELD | Bowman County, ND | Oil & Gas Property | Feb 2008 |
| 5173 | DUFFIELD | Clay County, WV | Oil & Gas Property | Dec 2021 |
| 5174 | DUFFIELD | Gilmer County, WV | Gas Property | Dec 2021 |
| 5175 | DUFFIELD | Calhoun County, WV | Oil & Gas Property | Dec 2021 |
| 5176 | DUFFIELD | Bradford County, PA | Gas Property | Jun 2026 |
| 5177 | DUFFLEMEYER, MICHAEL B. ,. ET AL | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 5178 | DUFFMAN 253 | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 5179 | DUFFORD | Ford County, KS | Oil & Gas Property | May 2026 |
| 5180 | DUFFY | Wharton County, TX | Oil & Gas Property | Jun 2026 |
| 5181 | DUFFY | Jack County, TX | Oil & Gas Property | Jun 2026 |
| 5182 | DUFFY | Okmulgee County, OK | Gas Property | Feb 2024 |
| 5183 | DUFFY | Franklin County, KS | Oil Property | May 2026 |
| 5184 | DUFFY ESTATE D | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 5185 | DUFORT | Stephens County, OK | Oil & Gas Property | Jun 2026 |
| 5186 | DUFORT | McClain County, OK | Oil & Gas Property | Jul 2026 |
| 5187 | DUFOUR 32-6 2 | La Plata County, CO | Gas Property | May 2026 |
| 5188 | DUGAN | De Soto Parish, LA | Gas Property | Dec 2024 |
| 5189 | DUGAN | Nowata County, OK | Gas Property | May 2016 |
| 5190 | DUGAN | Knox County, OH | Oil Property | Dec 2025 |
| 5191 | DUGAN | Jones County, TX | Oil & Gas Property | Jun 2026 |
| 5192 | DUGAN | Sedgwick County, KS | Oil Property | Mar 2026 |
| 5193 | DUGAN | Knox County, OH | Oil Property | Dec 2025 |
| 5194 | DUGAN | Rio Arriba County, NM | Oil & Gas Property | Jun 2026 |
| 5195 | DUGAN GUY | Knox County, OH | Oil Property | Dec 2025 |
| 5196 | DUGAN TR | Barber County, KS | Oil & Gas Property | Jul 2017 |
| 5197 | DUGAN, HOWARD & RUBY DUGAN | Barbour County, WV | Oil & Gas Property | Dec 2021 |
| 5198 | DUGAS-LEBLANC | Assumption Parish, LA | Oil & Gas Property | Nov 2024 |
| 5199 | DUGAT | Chambers County, TX | Oil & Gas Property | May 2026 |
| 5200 | DUGGA BOY 53-40 | Loving County, TX | Oil & Gas Property | Jun 2026 |