| 2901 | HARTMAN | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 2902 | HARTMAN | Renville County, ND | Oil Property | Apr 2026 |
| 2903 | HARTMAN | Cooke County, TX | Oil Property | Mar 2026 |
| 2904 | HARTMAN | Mecosta County, MI | Oil Property | Apr 2026 |
| 2905 | HARTMAN | Muskegon County, MI | Oil Property | Aug 2025 |
| 2906 | HARTMAN | Stephens County, OK | Oil Property | Jan 2021 |
| 2907 | HARTMAN | Seneca County, NY | Gas Property | Dec 2024 |
| 2908 | HARTMAN | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 2909 | HARTMAN | Dewitt County, TX | Oil & Gas Property | Mar 2026 |
| 2910 | HARTMAN | Ventura County, CA | Oil & Gas Property | Mar 2026 |
| 2911 | HARTMAN | Kingfisher County, OK | Oil & Gas Property | Jan 2023 |
| 2912 | HARTMAN | Ellis County, OK | Oil & Gas Property | Mar 2026 |
| 2913 | HARTMAN | Love County, OK | Oil Property | Mar 2026 |
| 2914 | HARTMAN | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 2915 | HARTMAN | Roger Mills County, OK | Oil & Gas Property | Mar 2026 |
| 2916 | HARTMAN | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 2917 | HARTMAN 1 | Alfalfa County, OK | Oil & Gas Property | Feb 2026 |
| 2918 | HARTMAN A | Dewitt County, TX | Oil & Gas Property | Mar 2026 |
| 2919 | HARTMAN A | Guadalupe County, TX | Oil Property | Dec 2025 |
| 2920 | HARTMAN A-CANTU A SA | Dewitt County, TX | Oil & Gas Property | Mar 2026 |
| 2921 | HARTMAN PAUL | Holmes County, OH | Oil & Gas Property | Dec 2024 |
| 2922 | HARTMAN UNIT | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 2923 | HARTMAN UNIT A | Dewitt County, TX | Oil & Gas Property | Mar 2026 |
| 2924 | HARTMAN-BLACK USW | Dewitt County, TX | Oil & Gas Property | Mar 2026 |
| 2925 | HARTMAN-RIPPSTEIN MIKKELSON SA1 | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 2926 | HARTMAN-WINTER | Russell County, KS | Oil Property | Jan 2026 |
| 2927 | HARTMAN/STEPHENS | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 2928 | HARTMANN | Gonzales County, TX | Oil & Gas Property | Mar 2026 |
| 2929 | HARTMANN | Wilson County, TX | Oil & Gas Property | Aug 2025 |
| 2930 | HARTMANN | Ventura County, CA | Oil & Gas Property | Mar 2026 |
| 2931 | HARTMANN ALVIN | Guadalupe County, TX | Oil & Gas Property | Dec 2025 |
| 2932 | HARTMANN-BARNARD UNIT | Ventura County, CA | Oil & Gas Property | Mar 2026 |
| 2933 | HARTNELL | Santa Barbara County, CA | Oil & Gas Property | Mar 2026 |
| 2934 | HARTNETT | Palo Pinto County, TX | Oil & Gas Property | Mar 2026 |
| 2935 | HARTNETT | Wilson County, KS | Gas Property | Feb 2026 |
| 2936 | HARTNETT | Finney County, KS | Oil Property | Feb 2026 |
| 2937 | HARTNETT 05 097 0 | Bradford County, PA | Gas Property | Mar 2026 |
| 2938 | HARTNETT UNIT | Johnson County, TX | Gas Property | Mar 2026 |
| 2939 | HARTOIN-WALKER | Wichita County, TX | Oil & Gas Property | Feb 2013 |
| 2940 | HARTON STATE | Lea County, NM | Oil & Gas Property | Apr 2023 |
| 2941 | HARTS | Crawford County, KS | Oil Property | Feb 2026 |
| 2942 | HARTSELL | Pratt County, KS | Oil Property | Aug 2009 |
| 2943 | HARTSELL-CASTLEBERRY | Wise County, TX | Oil & Gas Property | Mar 2026 |
| 2944 | HARTSFIELD | Pittsburg County, OK | Gas Property | Mar 2026 |
| 2945 | HARTSFIELD 7-8 | White County, AR | Gas Property | Jun 2024 |
| 2946 | HARTSHORN | Kingman County, KS | Oil & Gas Property | Feb 2026 |
| 2947 | HARTSHORN | Caddo County, OK | Oil Property | Mar 2026 |
| 2948 | HARTSHORN | Monroe County, OH | Oil & Gas Property | Dec 2025 |
| 2949 | HARTSHORNE | Pittsburg County, OK | Gas Property | Mar 2026 |
| 2950 | HARTSOCH | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 2951 | HARTSOCK | Coshocton County, OH | Oil & Gas Property | Dec 2023 |
| 2952 | HARTSON USA 24-31H | Mountrail County, ND | Oil & Gas Property | Apr 2026 |
| 2953 | HARTSTROM 24-33H | Mountrail County, ND | Oil & Gas Property | Apr 2026 |
| 2954 | HARTSUCK | Noble County, OK | Oil & Gas Property | Apr 2026 |
| 2955 | HARTT | Lavaca County, TX | Oil & Gas Property | Mar 2026 |
| 2956 | HARTT GAS UNIT | Nacogdoches County, TX | Oil & Gas Property | Mar 2026 |
| 2957 | HARTUNG | Atascosa County, TX | Oil & Gas Property | Mar 2026 |
| 2958 | HARTUNG HEIRS/ | Atascosa County, TX | Oil & Gas Property | Mar 2026 |
| 2959 | HARTWELL | Hughes County, OK | Gas Property | Mar 2026 |
| 2960 | HARTWICH | Ward County, TX | Oil & Gas Property | Dec 2023 |
| 2961 | HARTWIG | Alfalfa County, OK | Oil & Gas Property | Apr 2026 |
| 2962 | HARTY | Young County, TX | Oil & Gas Property | Mar 2026 |
| 2963 | HARTZ | Bradford County, PA | Gas Property | Mar 2026 |
| 2964 | HARTZ | Canadian County, OK | Oil & Gas Property | Mar 2026 |
| 2965 | HARTZ 18-12-2 1H | Columbiana County, OH | Oil & Gas Property | Mar 2026 |
| 2966 | HARTZELL | Mahoning County, OH | Oil & Gas Property | Dec 2025 |
| 2967 | HARTZELL | Chautauqua County, KS | Oil Property | Feb 2026 |
| 2968 | HARTZLER | Tuscarawas County, OH | Oil & Gas Property | Dec 2017 |
| 2969 | HARTZLER | Wayne County, OH | Oil & Gas Property | Dec 2024 |
| 2970 | HARTZOG | Campbell County, WY | Gas Property | Mar 2024 |
| 2971 | HARTZOG | Campbell County, WY | Gas Property | Mar 2024 |
| 2972 | HARTZOG | Campbell County, WY | Gas Property | Mar 2024 |
| 2973 | HARTZOG DRAW | Campbell County, WY | Gas Property | Aug 2018 |
| 2974 | HARTZOG DRAW | Campbell County, WY | Oil & Gas Property | Apr 2026 |
| 2975 | HARTZOG DRAW UNIT | Campbell County, WY | Oil & Gas Property | Apr 2026 |
| 2976 | HARTZOG FEDERAL | Campbell County, WY | Gas Property | Mar 2024 |
| 2977 | HARTZOG FEDERAL | Campbell County, WY | Gas Property | Mar 2024 |
| 2978 | HARTZOG STATE | Campbell County, WY | Gas Property | Jan 2019 |
| 2979 | HARVARD | Martin County, TX | Oil & Gas Property | Feb 2024 |
| 2980 | HARVARD | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 2981 | HARVARD 0 | Weld County, CO | Oil & Gas Property | Mar 2026 |
| 2982 | HARVARD MCCLINTIC 31-30 | Midland County, TX | Oil & Gas Property | Mar 2026 |
| 2983 | HARVEST ABR STATE | Chaves County, NM | Gas Property | Mar 2026 |
| 2984 | HARVEST HOLDINGS 01 036 0 | Bradford County, PA | Gas Property | Mar 2026 |
| 2985 | HARVESTER | Shelby County, TX | Gas Property | Mar 2026 |
| 2986 | HARVESTER | Weld County, CO | Oil & Gas Property | Apr 2016 |
| 2987 | HARVESTER 11-25-12 | Alfalfa County, OK | Oil & Gas Property | Apr 2026 |
| 2988 | HARVESTERS | Weld County, CO | Oil & Gas Property | Mar 2026 |
| 2989 | HARVEY | Washita County, OK | Oil & Gas Property | Apr 2026 |
| 2990 | HARVEY | Kay County, OK | Oil & Gas Property | Dec 2022 |
| 2991 | HARVEY | Weld County, CO | Oil & Gas Property | Mar 2026 |
| 2992 | HARVEY | Ventura County, CA | Oil & Gas Property | Mar 2026 |
| 2993 | HARVEY | Graham County, KS | Oil Property | Oct 2020 |
| 2994 | HARVEY | Rio Arriba County, NM | Gas Property | Apr 2026 |
| 2995 | HARVEY | Jones County, TX | Oil & Gas Property | Jun 2018 |
| 2996 | HARVEY | Fisher County, TX | Oil & Gas Property | Mar 2026 |
| 2997 | HARVEY | Seward County, KS | Oil & Gas Property | Feb 2026 |
| 2998 | HARVEY | Major County, OK | Oil & Gas Property | Jul 2022 |
| 2999 | HARVEY | Hughes County, OK | Oil & Gas Property | Mar 2026 |
| 3000 | HARVEY | Allen County, KS | Oil Property | Sep 1988 |