| 2101 | HARLAN | Nueces County, TX | Oil & Gas Property | Jul 2023 |
| 2102 | HARLAN | Bradford County, PA | Gas Property | May 2025 |
| 2103 | HARLAN | White County, AR | Gas Property | Oct 2009 |
| 2104 | HARLAN | Greenwood County, KS | Oil Property | Dec 2016 |
| 2105 | HARLAN | Hutchinson County, TX | Oil & Gas Property | Jan 2025 |
| 2106 | HARLAN | Frio County, TX | Oil & Gas Property | Mar 2025 |
| 2107 | HARLAN | Jack County, TX | Oil & Gas Property | Sep 2022 |
| 2108 | HARLAN | Wheeler County, TX | Oil & Gas Property | Apr 2025 |
| 2109 | HARLAN | Clinton County, KY | Oil Property | Jul 2023 |
| 2110 | HARLAN | Cherokee County, TX | Oil & Gas Property | Apr 2025 |
| 2111 | HARLAN | Young County, TX | Oil & Gas Property | Apr 2025 |
| 2112 | HARLAN 09-10 | Cleburne County, AR | Gas Property | Jul 2024 |
| 2113 | HARLAN KENNETH | Nueces County, TX | Oil & Gas Property | Dec 2019 |
| 2114 | HARLAN METTING 01 0 | Dewitt County, TX | Oil & Gas Property | Apr 2025 |
| 2115 | HARLAN REBSOM | Dunn County, ND | Oil & Gas Property | May 2025 |
| 2116 | HARLAN, SCOTT | Marshall County, WV | Oil & Gas Property | Dec 2021 |
| 2117 | HARLAN-NELSON | Live Oak County, TX | Oil & Gas Property | Apr 2025 |
| 2118 | HARLAND | Sherman County, TX | Oil & Gas Property | Apr 2025 |
| 2119 | HARLAND | Sherman County, TX | Oil & Gas Property | Apr 2025 |
| 2120 | HARLAND 1-31 | Texas County, OK | Gas Property | Apr 2025 |
| 2121 | HARLAND 3 | Howard County, TX | Oil & Gas Property | Apr 2025 |
| 2122 | HARLAND C | Sherman County, TX | Gas Property | Apr 2025 |
| 2123 | HARLAND J & ELIZABETH R LYTLE | Armstrong County, PA | Gas Property | Dec 2024 |
| 2124 | HARLAND REED SPENCE | Indiana County, PA | Gas Property | Dec 2024 |
| 2125 | HARLE | La Salle County, TX | Oil & Gas Property | Apr 2025 |
| 2126 | HARLEQUIN | Weld County, CO | Oil & Gas Property | May 2025 |
| 2127 | HARLESS | Comanche County, OK | Oil Property | Feb 2025 |
| 2128 | HARLESS | Kanawha County, WV | Oil & Gas Property | Oct 2021 |
| 2129 | HARLESS, J | Roane County, WV | Oil & Gas Property | Dec 2021 |
| 2130 | HARLETON NE (PETTIT) UNIT | Harrison County, TX | Oil & Gas Property | Apr 2025 |
| 2131 | HARLETT | Knox County, OH | Oil & Gas Property | Dec 2024 |
| 2132 | HARLEY | Stephens County, OK | Oil & Gas Property | Mar 2025 |
| 2133 | HARLEY | Cheyenne County, CO | Oil Property | Apr 2025 |
| 2134 | HARLEY | Reno County, KS | Oil & Gas Property | Mar 2025 |
| 2135 | HARLEY | Gregg County, TX | Oil & Gas Property | Apr 2025 |
| 2136 | HARLEY | Grady County, OK | Oil & Gas Property | Apr 2025 |
| 2137 | HARLEY | Throckmorton County, TX | Oil & Gas Property | Apr 2025 |
| 2138 | HARLEY | Stephens County, OK | Oil & Gas Property | Mar 2025 |
| 2139 | HARLEY | Carter County, OK | Oil & Gas Property | May 2025 |
| 2140 | HARLEY | Hughes County, OK | Gas Property | Apr 2025 |
| 2141 | HARLEY | Stephens County, OK | Oil Property | Apr 2024 |
| 2142 | HARLEY | McKenzie County, ND | Oil & Gas Property | May 2025 |
| 2143 | HARLEY 14-36TFH | Mountrail County, ND | Oil & Gas Property | May 2025 |
| 2144 | HARLEY 2014 | Major County, OK | Oil & Gas Property | May 2025 |
| 2145 | HARLEY EZELL | Muskogee County, OK | Gas Property | Apr 2007 |
| 2146 | HARLEY FED 3671-35-26 | Converse County, WY | Oil & Gas Property | May 2025 |
| 2147 | HARLEY FEDERAL | McKenzie County, ND | Oil & Gas Property | May 2025 |
| 2148 | HARLEY O ROSTOFER | Licking County, OH | Oil Property | Dec 2024 |
| 2149 | HARLIN | Young County, TX | Oil & Gas Property | Apr 2025 |
| 2150 | HARLIN | Pontotoc County, OK | Oil Property | Mar 2025 |
| 2151 | HARLON BLACKMON 25H | De Soto Parish, LA | Gas Property | Dec 2024 |
| 2152 | HARLOW | Pittsburg County, OK | Gas Property | Apr 2025 |
| 2153 | HARLOW CUNNINGHAM | Coal County, OK | Gas Property | Apr 2025 |
| 2154 | HARLOW PAUL | Eastland County, TX | Oil & Gas Property | Dec 2024 |
| 2155 | HARLOW S. J. GAS UNIT | Limestone County, TX | Oil & Gas Property | Apr 2025 |
| 2156 | HARMAN | Kingfisher County, OK | Oil & Gas Property | Apr 2025 |
| 2157 | HARMAN 1 | Canadian County, OK | Oil & Gas Property | Apr 2025 |
| 2158 | HARMAN G. L | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 2159 | HARMAN GAS UNIT | Finney County, KS | Gas Property | Mar 2025 |
| 2160 | HARMAN, A. M | McDowell County, WV | Gas Property | Dec 2021 |
| 2161 | HARMAN, J | McDowell County, WV | Gas Property | Dec 2021 |
| 2162 | HARMAN, JAMES | McDowell County, WV | Gas Property | Dec 2021 |
| 2163 | HARMAN, JERRY WILLIAM SWIGER | Doddridge County, WV | Gas Property | Dec 2010 |
| 2164 | HARMARVILLE | Allegheny County, PA | Gas Property | Dec 2023 |
| 2165 | HARMEL | Archer County, TX | Oil & Gas Property | Apr 2025 |
| 2166 | HARMEL | Archer County, TX | Oil & Gas Property | Feb 2020 |
| 2167 | HARMEL | Baylor County, TX | Oil & Gas Property | Apr 2025 |
| 2168 | HARMEL | Baylor County, TX | Oil Property | Apr 2025 |
| 2169 | HARMEL | Archer County, TX | Oil & Gas Property | Apr 2025 |
| 2170 | HARMEL-ANDREWS | Archer County, TX | Oil & Gas Property | Apr 2025 |
| 2171 | HARMEYER | Stephens County, OK | Gas Property | Apr 2025 |
| 2172 | HARMON | Armstrong County, PA | Gas Property | Dec 2024 |
| 2173 | HARMON | Martin County, KY | Gas Property | Dec 2023 |
| 2174 | HARMON | Smith County, TX | Oil & Gas Property | Mar 2025 |
| 2175 | HARMON | Stevens County, KS | Oil & Gas Property | Mar 2025 |
| 2176 | HARMON | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 2177 | HARMON | Roosevelt County, MT | Oil & Gas Property | Aug 2024 |
| 2178 | HARMON | McIntosh County, OK | Gas Property | Aug 2007 |
| 2179 | HARMON | Greenwood County, KS | Oil Property | Feb 2025 |
| 2180 | HARMON | Orange County, TX | Oil & Gas Property | Apr 2025 |
| 2181 | HARMON | Carter County, OK | Oil Property | Jun 2013 |
| 2182 | HARMON | McPherson County, KS | Oil Property | Aug 2023 |
| 2183 | HARMON | Montague County, TX | Oil & Gas Property | Apr 2025 |
| 2184 | HARMON | Young County, TX | Oil & Gas Property | May 2022 |
| 2185 | HARMON | La Plata County, CO | Gas Property | May 2025 |
| 2186 | HARMON | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 2187 | HARMON | Garfield County, OK | Oil & Gas Property | Apr 2025 |
| 2188 | HARMON | Faulkner County, AR | Gas Property | Jul 2024 |
| 2189 | HARMON | Major County, OK | Oil & Gas Property | Sep 2024 |
| 2190 | HARMON | Stephens County, OK | Oil Property | Mar 2025 |
| 2191 | HARMON | Morton County, KS | Oil & Gas Property | Mar 2025 |
| 2192 | HARMON | McClain County, OK | Oil & Gas Property | Apr 2025 |
| 2193 | HARMON | Chautauqua County, KS | Oil Property | Mar 2024 |
| 2194 | HARMON | Major County, OK | Oil & Gas Property | Apr 2025 |
| 2195 | HARMON | Muskingum County, OH | Oil & Gas Property | Dec 2024 |
| 2196 | HARMON 1 | Lincoln County, OK | Oil & Gas Property | Feb 2019 |
| 2197 | HARMON A | San Juan County, NM | Gas Property | May 2025 |
| 2198 | HARMON CREEK | Washington County, PA | Gas Property | May 2025 |
| 2199 | HARMON GAS UNIT NO. 1 | Rusk County, TX | Oil & Gas Property | Apr 2025 |
| 2200 | HARMON HEIRS | Garvin County, OK | Oil & Gas Property | Apr 2025 |