| 53101 | HARRYMAN | Seminole County, OK | Oil & Gas Property | Jan 2026 |
| 53102 | HARRYMAN | Coal County, OK | Oil & Gas Property | Feb 2020 |
| 53103 | HARRYMAN | McClain County, OK | Oil & Gas Property | Feb 2026 |
| 53104 | HARSCH | Boulder County, CO | Oil & Gas Property | Mar 2026 |
| 53105 | HARSH | Weld County, CO | Oil & Gas Property | Nov 2013 |
| 53106 | HARSH | Hocking County, OH | Oil & Gas Property | Dec 2025 |
| 53107 | HARSH FARMS P | Hocking County, OH | Oil & Gas Property | Dec 2019 |
| 53108 | HARSH H 26 | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 53109 | HARSHAW | Labette County, KS | Gas Property | Feb 2026 |
| 53110 | HARSHBARGER | Washington County, OH | Gas Property | Dec 2022 |
| 53111 | HARSHBARGER | Sheridan County, MT | Oil & Gas Property | Sep 2012 |
| 53112 | HARSHBARGER, J. H. & OLGA HARSHBARGER | Cabell County, WV | Gas Property | Dec 2021 |
| 53113 | HARSHBERGER | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 53114 | HARSHBERGER, SCOT | Barbour County, WV | Oil & Gas Property | Dec 2021 |
| 53115 | HARSTAD | Mountrail County, ND | Oil & Gas Property | Apr 2026 |
| 53116 | HARSTAD | Mountrail County, ND | Oil & Gas Property | Dec 1998 |
| 53117 | HARSTINE | Carroll County, OH | Oil & Gas Property | Dec 2025 |
| 53118 | HART | Wayne County, OH | Oil & Gas Property | Dec 2025 |
| 53119 | HART | Parker County, TX | Oil & Gas Property | Mar 2026 |
| 53120 | HART | Stafford County, KS | Oil & Gas Property | May 2025 |
| 53121 | HART | Jack County, TX | Oil & Gas Property | Feb 2026 |
| 53122 | HART | Tarrant County, TX | Gas Property | Mar 2026 |
| 53123 | HART | Stephens County, TX | Oil & Gas Property | Mar 2026 |
| 53124 | HART | Hansford County, TX | Oil & Gas Property | Mar 2026 |
| 53125 | HART | Bradford County, PA | Gas Property | Mar 2026 |
| 53126 | HART | Caddo Parish, LA | Oil & Gas Property | Mar 2026 |
| 53127 | HART | Callahan County, TX | Oil & Gas Property | Mar 2012 |
| 53128 | HART | Cowley County, KS | Oil Property | Jan 2026 |
| 53129 | HART | McPherson County, KS | Oil Property | Sep 2025 |
| 53130 | HART | Lafayette County, AR | Oil Property | Jan 1991 |
| 53131 | HART | Palo Pinto County, TX | Gas Property | May 2024 |
| 53132 | HART | Pecos County, TX | Oil & Gas Property | Mar 2026 |
| 53133 | HART | Caddo Parish, LA | Oil & Gas Property | Oct 2024 |
| 53134 | HART | Beckham County, OK | Oil & Gas Property | Apr 2026 |
| 53135 | HART | Okmulgee County, OK | Oil Property | Feb 2026 |
| 53136 | HART | Pecos County, TX | Oil & Gas Property | Sep 2022 |
| 53137 | HART | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 53138 | HART | Garvin County, OK | Oil & Gas Property | Mar 2026 |
| 53139 | HART | Grady County, OK | Oil & Gas Property | Mar 2026 |
| 53140 | HART | McClain County, OK | Oil & Gas Property | Apr 2026 |
| 53141 | HART | Okmulgee County, OK | Oil & Gas Property | Dec 2025 |
| 53142 | HART | Love County, OK | Oil & Gas Property | Mar 2026 |
| 53143 | HART | Ouachita County, AR | Oil & Gas Property | Mar 2026 |
| 53144 | HART | Texas County, OK | Gas Property | May 2014 |
| 53145 | HART | Greene County, PA | Oil & Gas Property | Dec 2025 |
| 53146 | HART | Roger Mills County, OK | Oil & Gas Property | Mar 2026 |
| 53147 | HART | Hidalgo County, TX | Oil & Gas Property | Feb 2026 |
| 53148 | HART | Lincoln County, OK | Oil & Gas Property | Mar 2026 |
| 53149 | HART | De Soto Parish, LA | Gas Property | Dec 2024 |
| 53150 | HART | Union County, KY | Oil Property | Dec 2020 |
| 53151 | HART | Miami County, KS | Oil Property | Feb 2026 |
| 53152 | HART | Ellis County, KS | Oil Property | Jan 2026 |
| 53153 | HART | Palo Pinto County, TX | Oil & Gas Property | Mar 2026 |
| 53154 | HART | Barton County, KS | Oil Property | Dec 1998 |
| 53155 | HART 'A' | Morton County, KS | Gas Property | Feb 2012 |
| 53156 | HART 'A' | Grant County, KS | Gas Property | Feb 2026 |
| 53157 | HART 1 | Edwards County, KS | Oil & Gas Property | Feb 2026 |
| 53158 | HART 1 | Caddo County, OK | Gas Property | Mar 2026 |
| 53159 | HART 1 | Nacogdoches County, TX | Oil & Gas Property | Mar 2014 |
| 53160 | HART 1-11H | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 53161 | HART BLAIN | Morgan County, OH | Gas Property | Dec 2025 |
| 53162 | HART C. W. NCT-1 | Andrews County, TX | Oil & Gas Property | Mar 2026 |
| 53163 | HART CANYON | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 53164 | HART CATTLE CO | Stephens County, TX | Oil & Gas Property | Mar 2026 |
| 53165 | HART FEDERAL | Blaine County, OK | Oil & Gas Property | Mar 2026 |
| 53166 | HART GAS UNIT | Harrison County, TX | Oil & Gas Property | Feb 2026 |
| 53167 | HART MAX | Nacogdoches County, TX | Oil & Gas Property | Jun 2025 |
| 53168 | HART NORTH UNIT | Sullivan County, PA | Gas Property | Mar 2026 |
| 53169 | HART RANCH | Palo Pinto County, TX | Oil & Gas Property | Mar 2026 |
| 53170 | HART RANCH | Palo Pinto County, TX | Oil & Gas Property | Dec 2024 |
| 53171 | HART ROBERT | Wayne County, OH | Oil & Gas Property | Dec 2025 |
| 53172 | HART SOUTH UNIT | Sullivan County, PA | Gas Property | Mar 2026 |
| 53173 | HART UNIT | Greene County, PA | Gas Property | Mar 2026 |
| 53174 | HART WATER FLOOD UNIT | Marion County, TX | Oil & Gas Property | Mar 2026 |
| 53175 | HART, B F | Clay County, KY | Gas Property | Dec 2024 |
| 53176 | HART, HOMER | Whitley County, KY | Oil & Gas Property | Dec 2022 |
| 53177 | HART, J. B | Palo Pinto County, TX | Oil & Gas Property | Mar 2026 |
| 53178 | HART, JOHN J. & RENEE HART | Marshall County, WV | Oil & Gas Property | Dec 2021 |
| 53179 | HART, JUSTINA | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 53180 | HART, RONALD & | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 53181 | HART-DEARIN | Kern County, CA | Oil & Gas Property | Mar 2026 |
| 53182 | HARTARY | Forest County, PA | Oil Property | Dec 2025 |
| 53183 | HARTBURG | Newton County, TX | Oil & Gas Property | Mar 2026 |
| 53184 | HARTBURG | Orange County, TX | Oil & Gas Property | Sep 2016 |
| 53185 | HARTEBEEST 12 | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 53186 | HARTEL 1 | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 53187 | HARTER | Butler County, KS | Oil Property | Feb 2026 |
| 53188 | HARTER | Stafford County, KS | Oil Property | Jan 2026 |
| 53189 | HARTER | Lasalle Parish, LA | Oil Property | Dec 2024 |
| 53190 | HARTER | Jack County, TX | Oil & Gas Property | Oct 2025 |
| 53191 | HARTER 15 | Caddo Parish, LA | Oil & Gas Property | Nov 2024 |
| 53192 | HARTER UNIT | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 53193 | HARTER-TENSASDELTA | Lasalle Parish, LA | Oil Property | Nov 2024 |
| 53194 | HARTFIELD | Guadalupe County, TX | Oil & Gas Property | Dec 2025 |
| 53195 | HARTFORD | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 53196 | HARTGE | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 53197 | HARTGRAVES | Johnston County, OK | Oil & Gas Property | Apr 2026 |
| 53198 | HARTGRAVES | Carter County, OK | Oil & Gas Property | Apr 2026 |
| 53199 | HARTGROVE | Reagan County, TX | Oil & Gas Property | Mar 2026 |
| 53200 | HARTGROVE | Reagan County, TX | Oil & Gas Property | Mar 2026 |