| 2001 | HARDY | Glasscock County, TX | Oil & Gas Property | Apr 2025 |
| 2002 | HARDY | Converse County, WY | Oil & Gas Property | May 2025 |
| 2003 | HARDY | Ochiltree County, TX | Oil & Gas Property | Apr 2025 |
| 2004 | HARDY | Throckmorton County, TX | Oil Property | Apr 2025 |
| 2005 | HARDY 1 | Madison County, TX | Oil & Gas Property | Mar 2025 |
| 2006 | HARDY 16-21 | Richland County, MT | Oil & Gas Property | May 2025 |
| 2007 | HARDY 33 | Howard County, TX | Oil & Gas Property | Jul 2024 |
| 2008 | HARDY 36 STATE | Lea County, NM | Oil & Gas Property | May 2025 |
| 2009 | HARDY 5892 43-9H | Mountrail County, ND | Oil & Gas Property | May 2025 |
| 2010 | HARDY A UNIT | Montague County, TX | Oil & Gas Property | Apr 2025 |
| 2011 | HARDY B UNIT | Montague County, TX | Oil & Gas Property | Apr 2025 |
| 2012 | HARDY BEATRICE | Jack County, TX | Oil & Gas Property | Apr 2025 |
| 2013 | HARDY FED 3 | Converse County, WY | Oil & Gas Property | May 2025 |
| 2014 | HARDY GUS | Caldwell County, TX | Oil & Gas Property | Apr 2025 |
| 2015 | HARDY HEIRS-MODISETTE (SA) | Rusk County, TX | Oil & Gas Property | Apr 2025 |
| 2016 | HARDY JOHN | Rusk County, TX | Oil & Gas Property | Apr 2025 |
| 2017 | HARDY PRICE | Jack County, TX | Oil & Gas Property | Apr 2025 |
| 2018 | HARDY SARAH EST | Kaufman County, TX | Oil & Gas Property | Feb 2025 |
| 2019 | HARDY SILVAN | Bexar County, TX | Oil & Gas Property | Mar 2025 |
| 2020 | HARDY UNIT | Montague County, TX | Oil & Gas Property | Apr 2025 |
| 2021 | HARDY UNIT AC | Karnes County, TX | Oil & Gas Property | Apr 2025 |
| 2022 | HARDY, FRANK | Putnam County, WV | Oil & Gas Property | Dec 2021 |
| 2023 | HARDY, FRANK | Putnam County, WV | Gas Property | Dec 2021 |
| 2024 | HARDY, RUFUS | Waller County, TX | Oil & Gas Property | Apr 2025 |
| 2025 | HARDY, WALLER C., JR | Kanawha County, WV | Gas Property | Dec 2021 |
| 2026 | HARDY-MIDDLETON UNIT | Wise County, TX | Oil & Gas Property | Apr 2025 |
| 2027 | HARDY-OVIATT | Bay County, MI | Oil Property | May 2025 |
| 2028 | HARDY-SPOON UNIT | Cooke County, TX | Oil Property | Apr 2025 |
| 2029 | HARDZOG | Comanche County, OK | Oil & Gas Property | Sep 2023 |
| 2030 | HARDZOG | Comanche County, OK | Oil & Gas Property | Sep 1994 |
| 2031 | HARE | Garfield County, OK | Oil & Gas Property | Apr 2025 |
| 2032 | HARE | Wilson County, KS | Oil & Gas Property | Mar 2025 |
| 2033 | HARE | Sumner County, KS | Oil Property | Nov 2023 |
| 2034 | HARE | Wilson County, KS | Gas Property | Mar 2025 |
| 2035 | HARE | San Juan County, NM | Oil & Gas Property | May 2025 |
| 2036 | HARE | Chenango County, NY | Gas Property | Dec 2024 |
| 2037 | HARE GAS COM | San Juan County, NM | Oil & Gas Property | May 2025 |
| 2038 | HARE GAS COM C | San Juan County, NM | Oil & Gas Property | May 2025 |
| 2039 | HARELL | Martin County, TX | Oil & Gas Property | Apr 2025 |
| 2040 | HAREN | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 2041 | HARER | Tioga County, PA | Gas Property | May 2025 |
| 2042 | HARES EAR | Hughes County, OK | Oil & Gas Property | Apr 2025 |
| 2043 | HARGENS | Cheyenne County, NE | Gas Property | Dec 2024 |
| 2044 | HARGER | Trego County, KS | Oil Property | Mar 2025 |
| 2045 | HARGESS | Lee County, KY | Oil Property | Dec 2023 |
| 2046 | HARGILL GAS UNIT | Willacy County, TX | Oil & Gas Property | Apr 2025 |
| 2047 | HARGIS | Woodward County, OK | Oil & Gas Property | May 2025 |
| 2048 | HARGIS | Zavala County, TX | Oil & Gas Property | Apr 2025 |
| 2049 | HARGIS | Garvin County, OK | Oil & Gas Property | Apr 2025 |
| 2050 | HARGRAVE | Archer County, TX | Oil & Gas Property | Feb 2025 |
| 2051 | HARGRAVE | San Juan County, NM | Gas Property | May 2025 |
| 2052 | HARGRAVE | Irion County, TX | Oil & Gas Property | Feb 2025 |
| 2053 | HARGRAVE | Vermilion Parish, LA | Oil & Gas Property | Dec 2024 |
| 2054 | HARGROVE | Zavala County, TX | Oil & Gas Property | Apr 2025 |
| 2055 | HARGROVE | Texas County, OK | Oil & Gas Property | Apr 2025 |
| 2056 | HARGROVE | Ochiltree County, TX | Oil & Gas Property | Mar 2025 |
| 2057 | HARGROVE | Shackelford County, TX | Oil & Gas Property | Mar 2025 |
| 2058 | HARGROVE | Titus County, TX | Oil & Gas Property | Apr 2025 |
| 2059 | HARGROVE 49 | Scurry County, TX | Oil & Gas Property | Apr 2025 |
| 2060 | HARGROVE H.B | Hidalgo County, TX | Oil & Gas Property | Apr 2025 |
| 2061 | HARGROVE JAMES W | Burleson County, TX | Oil & Gas Property | Mar 2025 |
| 2062 | HARGROVES | McCulloch County, TX | Oil & Gas Property | Apr 2025 |
| 2063 | HARHAUSEN | Lipscomb County, TX | Oil & Gas Property | Apr 2025 |
| 2064 | HARJO | Seminole County, OK | Oil Property | Apr 2024 |
| 2065 | HARJO | Seminole County, OK | Oil & Gas Property | Dec 2023 |
| 2066 | HARJO | Seminole County, OK | Oil & Gas Property | Jan 2025 |
| 2067 | HARJO | Creek County, OK | Oil Property | May 2025 |
| 2068 | HARJO | Pontotoc County, OK | Oil & Gas Property | Mar 2018 |
| 2069 | HARJO | Seminole County, OK | Oil & Gas Property | Apr 2025 |
| 2070 | HARJO RALSTON | Tulsa County, OK | Oil Property | Apr 2025 |
| 2071 | HARJU | Manistee County, MI | Oil & Gas Property | Jun 2025 |
| 2072 | HARJU | Manistee County, MI | Oil & Gas Property | Jun 2025 |
| 2073 | HARKER | Cheyenne County, CO | Oil & Gas Property | Jan 2008 |
| 2074 | HARKER RANCH MORROW UNIT(HRMU | Cheyenne County, CO | Oil & Gas Property | Apr 2025 |
| 2075 | HARKER, ROSALEA ARTHUR HARKER | Barbour County, WV | Oil & Gas Property | Dec 2021 |
| 2076 | HARKEY 35 STATE | Eddy County, NM | Oil & Gas Property | May 2025 |
| 2077 | HARKINS | Cheyenne County, KS | Gas Property | Mar 2025 |
| 2078 | HARKINS | Live Oak County, TX | Oil & Gas Property | Apr 2015 |
| 2079 | HARKINS | Cheyenne County, KS | Gas Property | Mar 2025 |
| 2080 | HARKINS MINERAL | Floyd County, KY | Oil & Gas Property | Dec 2023 |
| 2081 | HARKINS MINERAL | Floyd County, KY | Oil & Gas Property | Dec 2023 |
| 2082 | HARKINS MINERAL ASSOC | Floyd County, KY | Gas Property | Dec 2023 |
| 2083 | HARKINS MINERAL ASSOC | Floyd County, KY | Oil & Gas Property | Dec 2023 |
| 2084 | HARKIS | Weld County, CO | Oil & Gas Property | Jul 2019 |
| 2085 | HARKIS | Big Horn County, MT | Gas Property | Nov 2020 |
| 2086 | HARKNESS | Muskingum County, OH | Oil Property | Dec 2023 |
| 2087 | HARKNESS | Wilson County, KS | Gas Property | Mar 2025 |
| 2088 | HARKNESS | Renville County, ND | Oil & Gas Property | May 2025 |
| 2089 | HARKNESS | Scott County, KS | Oil Property | Mar 2025 |
| 2090 | HARKNESS | Ness County, KS | Oil Property | Mar 2025 |
| 2091 | HARKNESS | Bradford County, PA | Gas Property | May 2025 |
| 2092 | HARKNESS | Ness County, KS | Oil Property | Mar 2025 |
| 2093 | HARKNESS 1 | Scott County, KS | Oil Property | Jul 2019 |
| 2094 | HARKRADER | Seward County, KS | Oil & Gas Property | Mar 2025 |
| 2095 | HARKRADER | Stanton County, KS | Gas Property | Mar 2025 |
| 2096 | HARKREADER | Garvin County, OK | Oil & Gas Property | Apr 2025 |
| 2097 | HARKRIDER | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 2098 | HARKRIDER UNIT | Lee County, TX | Oil & Gas Property | Apr 2025 |
| 2099 | HARLAN | Perry County, OH | Oil & Gas Property | Dec 2019 |
| 2100 | HARLAN | Petroleum County, MT | Oil Property | May 2025 |