| 61901 | ISBELL | Carter County, OK | Oil Property | Jun 2025 |
| 61902 | ISBELL | Grimes County, TX | Oil & Gas Property | Aug 2025 |
| 61903 | ISBELL | Bradford County, PA | Gas Property | Aug 2025 |
| 61904 | ISBELL | Johnson County, TX | Oil & Gas Property | Aug 2025 |
| 61905 | ISBELL 21 | Parker County, TX | Oil & Gas Property | Aug 2025 |
| 61906 | ISBELL HORIZONTAL UNIT | Midland County, TX | Oil & Gas Property | Aug 2025 |
| 61907 | ISBELL-FRY | Jones County, TX | Oil Property | Sep 2024 |
| 61908 | ISBILL | McClain County, OK | Oil & Gas Property | Jun 2025 |
| 61909 | ISCH | Roger Mills County, OK | Oil & Gas Property | Jul 2025 |
| 61910 | ISCO A | Los Angeles County, CA | Oil & Gas Property | Jan 1993 |
| 61911 | ISEMAN | Armstrong County, PA | Gas Property | Dec 2024 |
| 61912 | ISENBART | Woods County, OK | Oil & Gas Property | Aug 2025 |
| 61913 | ISENBERGER | Converse County, WY | Gas Property | Nov 2015 |
| 61914 | ISENHOUR | Sublette County, WY | Oil & Gas Property | Aug 2025 |
| 61915 | ISENHOWER | Callahan County, TX | Oil & Gas Property | Aug 2025 |
| 61916 | ISENHOWER W. EST | Eastland County, TX | Oil & Gas Property | Aug 2025 |
| 61917 | ISENSEE | Nueces County, TX | Oil & Gas Property | Aug 2025 |
| 61918 | ISERN | Ness County, KS | Oil Property | May 2025 |
| 61919 | ISERN | Barton County, KS | Oil & Gas Property | Jun 2025 |
| 61920 | ISERNHAGEN | Cheyenne County, KS | Gas Property | Jun 2025 |
| 61921 | ISG/DCE | Cuyahoga County, OH | Oil & Gas Property | Dec 2024 |
| 61922 | ISHAM | Jim Wells County, TX | Oil & Gas Property | Aug 2025 |
| 61923 | ISHAM | Texas County, OK | Gas Property | Jul 2025 |
| 61924 | ISHIBASHI | Orange County, CA | Oil & Gas Property | Jul 1989 |
| 61925 | ISHIGURO | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 61926 | ISHMAN | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 61927 | ISIDRO MORENO ET AL | Webb County, TX | Oil & Gas Property | Aug 2025 |
| 61928 | ISLAND | Seminole County, OK | Oil & Gas Property | Jun 2025 |
| 61929 | ISLAND BUTTE | Montezuma County, CO | Oil & Gas Property | Aug 2025 |
| 61930 | ISLAND CREEK | Lincoln County, WV | Oil & Gas Property | Dec 2021 |
| 61931 | ISLAND CREEK | Mingo County, WV | Gas Property | Dec 2021 |
| 61932 | ISLAND CREEK CO | Hopkins County, KY | Oil & Gas Property | Dec 2022 |
| 61933 | ISLAND CREEK CO | Logan County, WV | Oil & Gas Property | Dec 2021 |
| 61934 | ISLAND CREEK COAL | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 61935 | ISLAND CREEK COAL C | McDowell County, WV | Gas Property | Dec 2021 |
| 61936 | ISLAND CREEK COAL CO | Hopkins County, KY | Oil & Gas Property | Dec 2020 |
| 61937 | ISLAND LAKE 6092 12-24H | Burke County, ND | Oil & Gas Property | Aug 2025 |
| 61938 | ISLAND PARK B | Garfield County, CO | Oil & Gas Property | Aug 2025 |
| 61939 | ISLAND RANCH | Garfield County, CO | Oil & Gas Property | Aug 2025 |
| 61940 | ISLAND U | Uintah County, UT | Oil & Gas Property | Dec 2015 |
| 61941 | ISLAND U | Uintah County, UT | Oil & Gas Property | Aug 2025 |
| 61942 | ISLAND UNIT | Uintah County, UT | Oil & Gas Property | Aug 2025 |
| 61943 | ISLE | Montgomery County, KS | Gas Property | Jun 2025 |
| 61944 | ISLE ROYAL 148-95-02A-11H-TF-LL | Dunn County, ND | Oil & Gas Property | Aug 2025 |
| 61945 | ISLE ROYALE 20-5 | Dawson County, TX | Oil & Gas Property | Jul 2025 |
| 61946 | ISLER FE | Chaves County, NM | Gas Property | Aug 2025 |
| 61947 | ISLER FEDERAL | Chaves County, NM | Oil & Gas Property | Jun 2017 |
| 61948 | ISLER PENNZOIL FEDERAL | Chaves County, NM | Gas Property | Apr 2020 |
| 61949 | ISLES LANE | Caddo Parish, LA | Oil Property | Nov 2024 |
| 61950 | ISLEY | Okmulgee County, OK | Gas Property | Jan 2013 |
| 61951 | ISLEY I | Gregg County, TX | Oil & Gas Property | Aug 2025 |
| 61952 | ISMAY FLODINE | San Juan County, UT | Oil & Gas Property | Sep 2025 |
| 61953 | ISMERT 2 | Reno County, KS | Oil & Gas Property | Jun 2025 |
| 61954 | ISOM | Texas County, OK | Oil & Gas Property | Jul 2025 |
| 61955 | ISOM | Stevens County, KS | Gas Property | Jun 2025 |
| 61956 | ISON | Elliott County, KY | Oil Property | Dec 2023 |
| 61957 | ISON, ANDERSON | Elliott County, KY | Oil & Gas Property | Dec 2015 |
| 61958 | ISON, CALLIE | Letcher County, KY | Oil & Gas Property | Dec 2023 |
| 61959 | ISON, JAMES D | Letcher County, KY | Gas Property | Dec 2019 |
| 61960 | ISON, JEFFERSON | Letcher County, KY | Gas Property | Dec 2023 |
| 61961 | ISON, JESSE | Letcher County, KY | Oil & Gas Property | Dec 2023 |
| 61962 | ISON, MOSES 7 | Letcher County, KY | Gas Property | Dec 2023 |
| 61963 | ISON, O D | Elliott County, KY | Oil & Gas Property | Dec 2019 |
| 61964 | ISON, TIVIS & REEDA | Elliott County, KY | Oil & Gas Property | Dec 2018 |
| 61965 | ISRAEL | Ford County, KS | Oil Property | Jun 2025 |
| 61966 | ISRAEL | Wise County, TX | Oil & Gas Property | Aug 2025 |
| 61967 | ISRAEL | Morton County, KS | Oil & Gas Property | Jun 2025 |
| 61968 | ISRAEL BARNETT | Jefferson County, OK | Oil Property | Apr 2025 |
| 61969 | ISRAEL GAS UNIT | Stanton County, KS | Gas Property | Jun 2025 |
| 61970 | ISSLER | Chautauqua County, NY | Gas Property | Dec 2024 |
| 61971 | ISZLEY-USA | McKenzie County, ND | Oil & Gas Property | Aug 2025 |
| 61972 | ITALIAN STALLION | Fayette County, TX | Oil & Gas Property | Aug 2025 |
| 61973 | ITCH STATE | Lea County, NM | Oil & Gas Property | Aug 2025 |
| 61974 | ITHACA 15 14 | Eddy County, NM | Oil & Gas Property | Aug 2025 |
| 61975 | ITHACA 42 | Glasscock County, TX | Oil & Gas Property | Aug 2025 |
| 61976 | ITHAMAR 41-13TFH | Dunn County, ND | Oil & Gas Property | Sep 2025 |
| 61977 | ITTNER | Cheyenne County, NE | Oil Property | Dec 2024 |
| 61978 | IVA 1-6H | Williams County, ND | Oil & Gas Property | Aug 2025 |
| 61979 | IVA JO | Caddo County, OK | Oil & Gas Property | Aug 2025 |
| 61980 | IVA THOMSON | Clearfield County, PA | Gas Property | Dec 2024 |
| 61981 | IVAN | McKenzie County, ND | Oil & Gas Property | Sep 2025 |
| 61982 | IVAN AND ALBERT CHRISTENSON | Bottineau County, ND | Oil & Gas Property | Aug 2025 |
| 61983 | IVAN C FETTERMAN | Indiana County, PA | Gas Property | Dec 2024 |
| 61984 | IVAN CS FED | Campbell County, WY | Gas Property | Aug 2018 |
| 61985 | IVAN FAIL | Wilson County, KS | Gas Property | Jun 2025 |
| 61986 | IVAN GEHRINGER | Bottineau County, ND | Oil Property | Aug 2025 |
| 61987 | IVAN HOFF 31-28H | Williams County, ND | Oil & Gas Property | Aug 2025 |
| 61988 | IVAN RIVER UNIT | Tyonek Quadrangle, AK | Gas Property | Sep 2025 |
| 61989 | IVAN W LEAMER | Clearfield County, PA | Gas Property | Dec 2024 |
| 61990 | IVAR THE BONELESS FEDERAL | Lea County, NM | Oil & Gas Property | Aug 2025 |
| 61991 | IVAS SMITH 0 | Live Oak County, TX | Oil & Gas Property | Aug 2025 |
| 61992 | IVEN | Kingfisher County, OK | Oil & Gas Property | Aug 2025 |
| 61993 | IVENS | Sherman County, TX | Gas Property | Aug 2025 |
| 61994 | IVENS | Sherman County, TX | Oil & Gas Property | Aug 2025 |
| 61995 | IVER & MINNIE | Stark County, ND | Oil & Gas Property | Aug 2025 |
| 61996 | IVER 3-1-163-102 | Divide County, ND | Oil & Gas Property | Aug 2025 |
| 61997 | IVER GRAVSETH | Bottineau County, ND | Oil Property | Sep 1960 |
| 61998 | IVERS | La Plata County, CO | Gas Property | Aug 2025 |
| 61999 | IVERSEN | Richland County, MT | Oil & Gas Property | Aug 2025 |
| 62000 | IVERSON | Richland County, MT | Oil & Gas Property | Aug 2025 |