| 901 | HART C. W. NCT-1 | Andrews County, TX | Oil & Gas Property | Jan 2026 |
| 902 | HART CATTLE CO | Stephens County, TX | Oil & Gas Property | Jan 2026 |
| 903 | HART GAS UNIT | Harrison County, TX | Oil & Gas Property | Jan 2026 |
| 904 | HART MAX | Nacogdoches County, TX | Oil & Gas Property | Jun 2025 |
| 905 | HART RANCH | Palo Pinto County, TX | Oil & Gas Property | Jan 2026 |
| 906 | HART RANCH | Palo Pinto County, TX | Oil & Gas Property | Dec 2024 |
| 907 | HART WATER FLOOD UNIT | Marion County, TX | Oil & Gas Property | Jan 2026 |
| 908 | HART, J. B | Palo Pinto County, TX | Oil & Gas Property | Jan 2026 |
| 909 | HARTBURG | Newton County, TX | Oil & Gas Property | Jan 2026 |
| 910 | HARTBURG | Orange County, TX | Oil & Gas Property | Sep 2016 |
| 911 | HARTEBEEST 12 | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 912 | HARTER | Jack County, TX | Oil & Gas Property | Oct 2025 |
| 913 | HARTFIELD | Guadalupe County, TX | Oil & Gas Property | Dec 2025 |
| 914 | HARTGROVE | Reagan County, TX | Oil & Gas Property | Jan 2026 |
| 915 | HARTGROVE | Reagan County, TX | Oil & Gas Property | Jan 2026 |
| 916 | HARTIN | Denton County, TX | Oil & Gas Property | Jan 2026 |
| 917 | HARTLEY | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 918 | HARTLEY | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 919 | HARTLEY | Glasscock County, TX | Oil & Gas Property | Jan 2026 |
| 920 | HARTLEY HV UNIT | Harrison County, TX | Gas Property | Jan 2026 |
| 921 | HARTMAN | Montague County, TX | Oil & Gas Property | Jan 2026 |
| 922 | HARTMAN | Cooke County, TX | Oil Property | Jan 2026 |
| 923 | HARTMAN | Dewitt County, TX | Oil & Gas Property | Jan 2026 |
| 924 | HARTMAN A | Dewitt County, TX | Oil & Gas Property | Jan 2026 |
| 925 | HARTMAN A | Guadalupe County, TX | Oil Property | Dec 2025 |
| 926 | HARTMAN A-CANTU A SA | Dewitt County, TX | Oil & Gas Property | Jan 2026 |
| 927 | HARTMAN UNIT | Karnes County, TX | Oil & Gas Property | Jan 2026 |
| 928 | HARTMAN UNIT A | Dewitt County, TX | Oil & Gas Property | Jan 2026 |
| 929 | HARTMAN-BLACK USW | Dewitt County, TX | Oil & Gas Property | Jan 2026 |
| 930 | HARTMAN-RIPPSTEIN MIKKELSON SA1 | Karnes County, TX | Oil & Gas Property | Jan 2026 |
| 931 | HARTMANN | Gonzales County, TX | Oil & Gas Property | Jan 2026 |
| 932 | HARTMANN | Wilson County, TX | Oil & Gas Property | Aug 2025 |
| 933 | HARTMANN ALVIN | Guadalupe County, TX | Oil & Gas Property | Dec 2025 |
| 934 | HARTNETT | Palo Pinto County, TX | Oil & Gas Property | Jan 2026 |
| 935 | HARTNETT UNIT | Johnson County, TX | Gas Property | Jan 2026 |
| 936 | HARTOIN-WALKER | Wichita County, TX | Oil & Gas Property | Feb 2013 |
| 937 | HARTSELL-CASTLEBERRY | Wise County, TX | Oil & Gas Property | Jan 2026 |
| 938 | HARTT | Lavaca County, TX | Oil & Gas Property | Jan 2026 |
| 939 | HARTT GAS UNIT | Nacogdoches County, TX | Oil & Gas Property | Jan 2026 |
| 940 | HARTUNG | Atascosa County, TX | Oil & Gas Property | Jan 2026 |
| 941 | HARTUNG HEIRS/ | Atascosa County, TX | Oil & Gas Property | Jan 2026 |
| 942 | HARTWICH | Ward County, TX | Oil & Gas Property | Dec 2023 |
| 943 | HARTY | Young County, TX | Oil & Gas Property | Jan 2026 |
| 944 | HARVARD | Martin County, TX | Oil & Gas Property | Feb 2024 |
| 945 | HARVARD B | Martin County, TX | Oil & Gas Property | Jan 2026 |
| 946 | HARVARD MCCLINTIC 31-30 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 947 | HARVESTER | Shelby County, TX | Gas Property | Jan 2026 |
| 948 | HARVEY | Jones County, TX | Oil & Gas Property | Jun 2018 |
| 949 | HARVEY | Fisher County, TX | Oil & Gas Property | Jan 2026 |
| 950 | HARVEY | Wheeler County, TX | Gas Property | Jan 2026 |
| 951 | HARVEY | Tarrant County, TX | Gas Property | Jan 2026 |
| 952 | HARVEY | Wheeler County, TX | Oil & Gas Property | Dec 2025 |
| 953 | HARVEY | Brazos County, TX | Oil & Gas Property | Jan 2026 |
| 954 | HARVEY | Crane County, TX | Oil & Gas Property | Jan 2026 |
| 955 | HARVEY | Hutchinson County, TX | Oil & Gas Property | Jan 2026 |
| 956 | HARVEY 1HB | San Augustine County, TX | Gas Property | Jan 2026 |
| 957 | HARVEY GAS UNIT | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 958 | HARVEY J | Montague County, TX | Oil & Gas Property | Oct 2025 |
| 959 | HARVEY JOHNSON EF UNIT | Gonzales County, TX | Oil & Gas Property | Jan 2026 |
| 960 | HARVEY RENGER GAS UNIT | Lavaca County, TX | Oil & Gas Property | Jan 2026 |
| 961 | HARVICK | Throckmorton County, TX | Oil & Gas Property | Jan 2026 |
| 962 | HARVICK | Throckmorton County, TX | Oil & Gas Property | Jan 2026 |
| 963 | HARWELL | Parker County, TX | Oil & Gas Property | Jan 2026 |
| 964 | HARWELL | Freestone County, TX | Oil & Gas Property | Oct 2009 |
| 965 | HASDORFF | Jackson County, TX | Oil & Gas Property | Dec 2017 |
| 966 | HASEL A UNIT | Upton County, TX | Oil & Gas Property | Jan 2026 |
| 967 | HASEL15 | Upton County, TX | Oil & Gas Property | Jan 2026 |
| 968 | HASEL17 | Upton County, TX | Oil & Gas Property | Jan 2026 |
| 969 | HASEL19 | Upton County, TX | Oil & Gas Property | Jan 2026 |
| 970 | HASEL25 | Upton County, TX | Oil & Gas Property | Jan 2026 |
| 971 | HASEL28 | Upton County, TX | Oil & Gas Property | Jan 2026 |
| 972 | HASEL29 | Upton County, TX | Oil & Gas Property | Aug 2025 |
| 973 | HASEL5 | Upton County, TX | Oil & Gas Property | Jan 2026 |
| 974 | HASEL53 | Upton County, TX | Oil & Gas Property | Jan 2026 |
| 975 | HASEL55 | Upton County, TX | Oil & Gas Property | Jan 2026 |
| 976 | HASKELL D. GILLIAM GAS UNIT | Freestone County, TX | Gas Property | Jan 2026 |
| 977 | HASKELL-SOJOURNER UNIT | Haskell County, TX | Oil & Gas Property | Jan 2026 |
| 978 | HASKINS | Rusk County, TX | Oil & Gas Property | Jul 2022 |
| 979 | HASKINS | Rusk County, TX | Oil & Gas Property | Mar 2023 |
| 980 | HASLET 78 | Tarrant County, TX | Gas Property | Jan 2026 |
| 981 | HASLET GREGORY 3H | Tarrant County, TX | Gas Property | Jan 2026 |
| 982 | HASLET HEIGHTS | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 983 | HASSELL GAS UNIT | Nacogdoches County, TX | Gas Property | Jan 2026 |
| 984 | HASTA LA VISTA UNIT | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 985 | HASTEDT | Colorado County, TX | Oil & Gas Property | Feb 2026 |
| 986 | HASTEN | Jack County, TX | Oil & Gas Property | Jan 2026 |
| 987 | HASTIE 1 | Moore County, TX | Oil & Gas Property | Dec 2025 |
| 988 | HASTINGS | Wilson County, TX | Oil & Gas Property | Jun 2020 |
| 989 | HASTINGS | Lubbock County, TX | Oil & Gas Property | Jan 2026 |
| 990 | HASTINGS | Archer County, TX | Oil & Gas Property | Jan 2026 |
| 991 | HASTINGS-LOPEZ | Starr County, TX | Oil & Gas Property | Sep 2021 |
| 992 | HAT CREEK | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 993 | HAT CREEK | Pecos County, TX | Oil & Gas Property | Jan 2026 |
| 994 | HAT TRICK | Yoakum County, TX | Oil & Gas Property | Jan 2026 |
| 995 | HAT TRICK 56-T1-42 | Loving County, TX | Oil & Gas Property | Jan 2026 |
| 996 | HATCH | Howard County, TX | Oil & Gas Property | Jan 2026 |
| 997 | HATCH | Dimmit County, TX | Oil & Gas Property | Jan 2026 |
| 998 | HATCH 16 | Pecos County, TX | Oil & Gas Property | Nov 2025 |
| 999 | HATCH EAST DIM | Dimmit County, TX | Oil & Gas Property | Jan 2026 |
| 1000 | HATCH GU SAG | San Augustine County, TX | Gas Property | Jan 2026 |