| 2901 | HARSH FARMS P | Hocking County, OH | Oil & Gas Property | Dec 2019 |
| 2902 | HARSH H 26 | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 2903 | HARSHAW | Labette County, KS | Gas Property | Sep 2025 |
| 2904 | HARSHBARGER | Washington County, OH | Gas Property | Dec 2022 |
| 2905 | HARSHBARGER | Sheridan County, MT | Oil & Gas Property | Sep 2012 |
| 2906 | HARSHBARGER, J. H. & OLGA HARSHBARGER | Cabell County, WV | Gas Property | Dec 2021 |
| 2907 | HARSHBERGER | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 2908 | HARSHBERGER, SCOT | Barbour County, WV | Oil & Gas Property | Dec 2021 |
| 2909 | HARSTAD | Mountrail County, ND | Oil & Gas Property | Dec 2025 |
| 2910 | HARSTAD | Mountrail County, ND | Oil & Gas Property | Dec 1998 |
| 2911 | HARSTINE | Carroll County, OH | Oil & Gas Property | Dec 2024 |
| 2912 | HART | Wayne County, OH | Oil & Gas Property | Dec 2023 |
| 2913 | HART | Parker County, TX | Oil & Gas Property | Nov 2025 |
| 2914 | HART | Stafford County, KS | Oil & Gas Property | May 2025 |
| 2915 | HART | Jack County, TX | Oil & Gas Property | Nov 2025 |
| 2916 | HART | Tarrant County, TX | Gas Property | Nov 2025 |
| 2917 | HART | Stephens County, TX | Oil & Gas Property | Nov 2025 |
| 2918 | HART | Hansford County, TX | Oil & Gas Property | Nov 2025 |
| 2919 | HART | Bradford County, PA | Gas Property | Nov 2025 |
| 2920 | HART | Caddo Parish, LA | Oil & Gas Property | Nov 2025 |
| 2921 | HART | Callahan County, TX | Oil & Gas Property | Mar 2012 |
| 2922 | HART | Cowley County, KS | Oil Property | Jun 2024 |
| 2923 | HART | Lafayette County, AR | Oil Property | Jan 1991 |
| 2924 | HART | Palo Pinto County, TX | Gas Property | May 2024 |
| 2925 | HART | Pecos County, TX | Oil & Gas Property | Nov 2025 |
| 2926 | HART | Caddo Parish, LA | Oil & Gas Property | Oct 2024 |
| 2927 | HART | Beckham County, OK | Oil & Gas Property | Dec 2025 |
| 2928 | HART | Okmulgee County, OK | Oil Property | Oct 2025 |
| 2929 | HART | Pecos County, TX | Oil & Gas Property | Sep 2022 |
| 2930 | HART | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 2931 | HART | Garvin County, OK | Oil & Gas Property | Nov 2025 |
| 2932 | HART | Grady County, OK | Oil & Gas Property | Nov 2025 |
| 2933 | HART | McClain County, OK | Oil & Gas Property | Oct 2019 |
| 2934 | HART | Okmulgee County, OK | Oil & Gas Property | Nov 2025 |
| 2935 | HART | Love County, OK | Oil & Gas Property | Nov 2025 |
| 2936 | HART | Ouachita County, AR | Oil & Gas Property | Nov 2025 |
| 2937 | HART | Texas County, OK | Gas Property | May 2014 |
| 2938 | HART | Greene County, PA | Oil & Gas Property | Dec 2025 |
| 2939 | HART | Roger Mills County, OK | Oil & Gas Property | Nov 2025 |
| 2940 | HART | Hidalgo County, TX | Oil & Gas Property | Nov 2025 |
| 2941 | HART | Lincoln County, OK | Oil & Gas Property | Dec 2025 |
| 2942 | HART | De Soto Parish, LA | Gas Property | Dec 2024 |
| 2943 | HART | Union County, KY | Oil Property | Dec 2020 |
| 2944 | HART | Miami County, KS | Oil Property | Sep 2025 |
| 2945 | HART | Ellis County, KS | Oil Property | Sep 2025 |
| 2946 | HART | Palo Pinto County, TX | Oil & Gas Property | Nov 2025 |
| 2947 | HART | Barton County, KS | Oil Property | Dec 1998 |
| 2948 | HART 'A' | Morton County, KS | Gas Property | Mar 2012 |
| 2949 | HART 'A' | Grant County, KS | Gas Property | Sep 2025 |
| 2950 | HART 1 | Edwards County, KS | Oil & Gas Property | Sep 2025 |
| 2951 | HART 1 | Caddo County, OK | Gas Property | Oct 2025 |
| 2952 | HART 1 | Nacogdoches County, TX | Oil & Gas Property | Nov 2016 |
| 2953 | HART 1-10 | Grady County, OK | Oil & Gas Property | Dec 2025 |
| 2954 | HART 1-11H | Williams County, ND | Oil & Gas Property | Dec 2025 |
| 2955 | HART BLAIN | Morgan County, OH | Gas Property | Dec 2024 |
| 2956 | HART C. W. NCT-1 | Andrews County, TX | Oil & Gas Property | Nov 2025 |
| 2957 | HART CANYON | San Juan County, NM | Oil & Gas Property | Dec 2025 |
| 2958 | HART CANYON 25 | San Juan County, NM | Oil & Gas Property | Dec 2025 |
| 2959 | HART CATTLE CO | Stephens County, TX | Oil & Gas Property | Nov 2025 |
| 2960 | HART FEDERAL | Blaine County, OK | Oil & Gas Property | Nov 2025 |
| 2961 | HART GAS UNIT | Harrison County, TX | Oil & Gas Property | Nov 2025 |
| 2962 | HART HE | Braxton County, WV | Gas Property | Nov 2019 |
| 2963 | HART MAX | Nacogdoches County, TX | Oil & Gas Property | Jun 2025 |
| 2964 | HART NORTH UNIT | Sullivan County, PA | Gas Property | Dec 2025 |
| 2965 | HART RANCH | Palo Pinto County, TX | Oil & Gas Property | Nov 2025 |
| 2966 | HART RANCH | Palo Pinto County, TX | Oil & Gas Property | Dec 2024 |
| 2967 | HART ROBERT | Wayne County, OH | Oil & Gas Property | Dec 2024 |
| 2968 | HART SOUTH UNIT | Sullivan County, PA | Gas Property | Dec 2025 |
| 2969 | HART UNIT | Greene County, PA | Gas Property | Dec 2025 |
| 2970 | HART WATER FLOOD UNIT | Marion County, TX | Oil & Gas Property | Nov 2025 |
| 2971 | HART, B F | Clay County, KY | Gas Property | Dec 2023 |
| 2972 | HART, HOMER | Whitley County, KY | Oil & Gas Property | Dec 2022 |
| 2973 | HART, J. B | Palo Pinto County, TX | Oil & Gas Property | Nov 2025 |
| 2974 | HART, JOHN J. & RENEE HART | Marshall County, WV | Oil & Gas Property | Dec 2021 |
| 2975 | HART, JUSTINA | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 2976 | HART, RONALD & | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 2977 | HART-DEARIN | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 2978 | HARTARY | Forest County, PA | Oil Property | Dec 2019 |
| 2979 | HARTBURG | Newton County, TX | Oil & Gas Property | Nov 2025 |
| 2980 | HARTBURG | Orange County, TX | Oil & Gas Property | Sep 2016 |
| 2981 | HARTEBEEST 12 | Reeves County, TX | Oil & Gas Property | Nov 2025 |
| 2982 | HARTEL 1 | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 2983 | HARTER | Butler County, KS | Oil Property | Sep 2025 |
| 2984 | HARTER | Stafford County, KS | Oil Property | Jul 2025 |
| 2985 | HARTER | Lasalle Parish, LA | Oil Property | Dec 2024 |
| 2986 | HARTER | Jack County, TX | Oil & Gas Property | Oct 2025 |
| 2987 | HARTER 15 | Caddo Parish, LA | Oil & Gas Property | Nov 2024 |
| 2988 | HARTER UNIT | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 2989 | HARTER-TENSASDELTA | Lasalle Parish, LA | Oil Property | Nov 2024 |
| 2990 | HARTFIELD | Guadalupe County, TX | Oil & Gas Property | Sep 2025 |
| 2991 | HARTFORD | Williams County, ND | Oil & Gas Property | Dec 2025 |
| 2992 | HARTGE | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 2993 | HARTGRAVES | Johnston County, OK | Oil & Gas Property | Nov 2025 |
| 2994 | HARTGRAVES | Carter County, OK | Oil & Gas Property | Nov 2025 |
| 2995 | HARTGROVE | Reagan County, TX | Oil & Gas Property | Nov 2025 |
| 2996 | HARTGROVE | Reagan County, TX | Oil & Gas Property | Nov 2025 |
| 2997 | HARTH | Ventura County, CA | Oil & Gas Property | Dec 2025 |
| 2998 | HARTIN | Denton County, TX | Oil & Gas Property | Nov 2025 |
| 2999 | HARTIN | Grady County, OK | Oil & Gas Property | Jul 2019 |
| 3000 | HARTING | Payne County, OK | Oil & Gas Property | Dec 2020 |