| 52201 | HAPPY VALLEY | Seldovia Quadrangle, AK | Gas Property | Feb 2025 |
| 52202 | HAR-REYNOLDS | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 52203 | HARACZ AMO FEDERAL | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 52204 | HARALAMBOUS 03 074 | Bradford County, PA | Gas Property | Feb 2025 |
| 52205 | HARALDSON | Woodson County, KS | Oil Property | Nov 2024 |
| 52206 | HARALSON | Stephens County, TX | Oil & Gas Property | Jan 2025 |
| 52207 | HARALSON 1 | Smith County, TX | Oil & Gas Property | Jan 2025 |
| 52208 | HARALSON BEEFMASTER | Zapata County, TX | Gas Property | Nov 2024 |
| 52209 | HARAM | Bottineau County, ND | Oil & Gas Property | Feb 2025 |
| 52210 | HARAMBE 32 | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 52211 | HARANDA | Bay County, MI | Oil Property | Dec 2024 |
| 52212 | HARBACEK | Ellsworth County, KS | Oil Property | Nov 2024 |
| 52213 | HARBAUGH | Barber County, KS | Oil & Gas Property | Dec 2024 |
| 52214 | HARBAUGH | Shackelford County, TX | Oil & Gas Property | Jan 2025 |
| 52215 | HARBAUGH | Barber County, KS | Oil & Gas Property | Dec 2024 |
| 52216 | HARBAUGH | Ochiltree County, TX | Oil & Gas Property | Jan 2025 |
| 52217 | HARBAUGH | Barber County, KS | Oil & Gas Property | Nov 2024 |
| 52218 | HARBAUGH | Russell County, KS | Oil Property | Oct 2024 |
| 52219 | HARBAUGH | Portage County, OH | Oil & Gas Property | Dec 2023 |
| 52220 | HARBAUGH | Barber County, KS | Oil & Gas Property | Dec 2024 |
| 52221 | HARBAUGH | Kearny County, KS | Gas Property | Dec 2024 |
| 52222 | HARBER | Archer County, TX | Oil & Gas Property | Aug 2024 |
| 52223 | HARBER MOLLIE | Archer County, TX | Oil & Gas Property | Aug 2024 |
| 52224 | HARBER, GRACE T | Runnels County, TX | Gas Property | Oct 2024 |
| 52225 | HARBERT | Kanawha County, WV | Oil & Gas Property | Oct 2021 |
| 52226 | HARBERT | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 52227 | HARBERT | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 52228 | HARBIN | Saline County, KS | Oil Property | Dec 2024 |
| 52229 | HARBIN | Eastland County, TX | Oil & Gas Property | Sep 2024 |
| 52230 | HARBISON | Miami County, KS | Oil Property | Dec 2024 |
| 52231 | HARBISON | Washington County, PA | Gas Property | Feb 2025 |
| 52232 | HARBISON | Indiana County, PA | Gas Property | Dec 2024 |
| 52233 | HARBISON | Archer County, TX | Oil & Gas Property | Jan 2025 |
| 52234 | HARBISON | Noble County, OK | Oil & Gas Property | May 2014 |
| 52235 | HARBISON WALKER | Clinton County, PA | Gas Property | Dec 2024 |
| 52236 | HARBISON-FISCHER | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 52237 | HARBISON-WALKER | Clearfield County, PA | Gas Property | Dec 2024 |
| 52238 | HARBISON-WALKER | Clearfield County, PA | Gas Property | Dec 2024 |
| 52239 | HARBOLD | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 52240 | HARBOLT(WINGER) FIELD UNIT | Cooke County, TX | Oil & Gas Property | Jan 2025 |
| 52241 | HARBORDT | Santa Barbara County, CA | Oil & Gas Property | Jan 2021 |
| 52242 | HARBOUR | Tarrant County, TX | Oil & Gas Property | Sep 2024 |
| 52243 | HARBOUR | Hutchinson County, TX | Oil & Gas Property | Jan 2025 |
| 52244 | HARBOUR 5 | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 52245 | HARBOURTOWN FED | Duchesne County, UT | Oil & Gas Property | Mar 2013 |
| 52246 | HARCROW | Leon County, TX | Oil & Gas Property | Jan 2025 |
| 52247 | HARD AS NAILS AMD ST | Chaves County, NM | Gas Property | Feb 2025 |
| 52248 | HARD DEAL | San Juan County, NM | Gas Property | Sep 2019 |
| 52249 | HARD KNOX 0304 | Garvin County, OK | Oil & Gas Property | Jan 2025 |
| 52250 | HARD ROCK | Cass County, TX | Oil & Gas Property | Jan 2025 |
| 52251 | HARDAGE & WILSON | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 52252 | HARDAWAY | Webster Parish, LA | Oil Property | Jan 2025 |
| 52253 | HARDAWAY | Adams County, CO | Oil Property | Dec 1999 |
| 52254 | HARDBARGER | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 52255 | HARDBARGER | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 52256 | HARDBERGER | Gaines County, TX | Oil & Gas Property | Dec 2024 |
| 52257 | HARDCASTLE | Jackson County, MI | Oil & Gas Property | Jan 2025 |
| 52258 | HARDCASTLE | Johnson County, TX | Oil & Gas Property | Jan 2025 |
| 52259 | HARDCASTLE | Oklahoma County, OK | Oil Property | Feb 2025 |
| 52260 | HARDCASTLE STATE 27-34-39 | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 52261 | HARDEE | Mitchell County, TX | Oil & Gas Property | Jan 2025 |
| 52262 | HARDEMAN | Caldwell County, TX | Oil & Gas Property | Jan 2025 |
| 52263 | HARDEMAN | Caldwell County, TX | Oil & Gas Property | Jan 2025 |
| 52264 | HARDEMAN | Lee County, TX | Oil & Gas Property | Nov 2024 |
| 52265 | HARDEMAN DOROTHY JEAN | Denton County, TX | Gas Property | Jan 2025 |
| 52266 | HARDEMAN-HARDEMAN (SA) A 1H | Denton County, TX | Gas Property | Jan 2025 |
| 52267 | HARDEMAN-TURNER UNIT | Caldwell County, TX | Oil & Gas Property | Jan 2025 |
| 52268 | HARDEMAN/SAVOIE 1H | Denton County, TX | Oil & Gas Property | Jan 2025 |
| 52269 | HARDEN | Stephens County, OK | Oil & Gas Property | Jan 2025 |
| 52270 | HARDEN | Nowata County, OK | Gas Property | Jun 2017 |
| 52271 | HARDEN | Alfalfa County, OK | Oil & Gas Property | Jan 2025 |
| 52272 | HARDEN | Greene County, PA | Gas Property | Feb 2025 |
| 52273 | HARDEN | Hockley County, TX | Oil & Gas Property | Jan 2025 |
| 52274 | HARDEN | Roger Mills County, OK | Oil & Gas Property | Jan 2025 |
| 52275 | HARDEN | Clark County, KS | Oil & Gas Property | Jun 2024 |
| 52276 | HARDEN FARMS ROG230H | Greene County, PA | Gas Property | Feb 2025 |
| 52277 | HARDER | Glacier County, MT | Gas Property | Aug 2013 |
| 52278 | HARDER | Woodson County, KS | Oil Property | Jun 2024 |
| 52279 | HARDER | Allegany County, NY | Oil Property | Dec 2022 |
| 52280 | HARDER BROUSSARD UNIT | Jefferson County, TX | Oil & Gas Property | Aug 2024 |
| 52281 | HARDER L | Allegany County, NY | Gas Property | Dec 2000 |
| 52282 | HARDESTY | Sheridan County, KS | Oil Property | Jan 2008 |
| 52283 | HARDESTY | Sheridan County, WY | Gas Property | Feb 2013 |
| 52284 | HARDESTY | Red Willow County, NE | Oil Property | Dec 2023 |
| 52285 | HARDESTY | Sumner County, KS | Oil Property | Nov 2024 |
| 52286 | HARDESTY | Weld County, CO | Oil & Gas Property | Mar 2018 |
| 52287 | HARDESTY | Grady County, OK | Oil & Gas Property | Jan 2025 |
| 52288 | HARDESTY | Grady County, OK | Oil & Gas Property | Jan 2025 |
| 52289 | HARDESTY | Neosho County, KS | Oil Property | Apr 1987 |
| 52290 | HARDESTY A-HOOKS 4 USW | Dewitt County, TX | Oil & Gas Property | Jan 2025 |
| 52291 | HARDESTY UNIT A | Dewitt County, TX | Oil & Gas Property | Jan 2025 |
| 52292 | HARDGRAVE | Logan County, AR | Gas Property | Jun 2024 |
| 52293 | HARDGRAVE, BEN | Johnson County, AR | Gas Property | Jun 2024 |
| 52294 | HARDIE | San Juan County, NM | Oil & Gas Property | Mar 2024 |
| 52295 | HARDIE | San Juan County, NM | Oil & Gas Property | Feb 2025 |
| 52296 | HARDIE | Greene County, PA | Oil & Gas Property | Feb 2025 |
| 52297 | HARDIN | Jack County, TX | Oil & Gas Property | Jan 2025 |
| 52298 | HARDIN | Claiborne Parish, LA | Oil & Gas Property | May 2012 |
| 52299 | HARDIN | Martin County, TX | Oil & Gas Property | Mar 2023 |
| 52300 | HARDIN | Le Flore County, OK | Gas Property | Jan 2025 |