| 62001 | ISABEL | Sherman County, KS | Gas Property | Jan 2025 |
| 62002 | ISABEL | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 62003 | ISABEL | Big Horn County, WY | Oil & Gas Property | Mar 2025 |
| 62004 | ISABEL | Jefferson County, PA | Oil & Gas Property | Dec 2024 |
| 62005 | ISABEL A | San Juan County, NM | Gas Property | Mar 2025 |
| 62006 | ISABEL REPINE | Indiana County, PA | Gas Property | Dec 2024 |
| 62007 | ISABELLA | Gonzales County, TX | Oil & Gas Property | Apr 2003 |
| 62008 | ISABELLA FEDERAL 6093 42-24H | Burke County, ND | Oil & Gas Property | Mar 2025 |
| 62009 | ISABELLA MAGNESS | Sabine Parish, LA | Oil Property | Dec 2024 |
| 62010 | ISABELLA POWELL | Meigs County, OH | Oil & Gas Property | Dec 2024 |
| 62011 | ISABELLA TTT 41-26HU | Mountrail County, ND | Oil & Gas Property | Mar 2025 |
| 62012 | ISABELLE | Finney County, KS | Oil Property | Jan 2025 |
| 62013 | ISABELLE | Karnes County, TX | Oil & Gas Property | Feb 2025 |
| 62014 | ISABELLE LEWIS | Tulsa County, OK | Oil Property | Mar 2025 |
| 62015 | ISADORE 6-7H | Stark County, ND | Oil & Gas Property | Mar 2025 |
| 62016 | ISALY | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 62017 | ISBELL | Garfield County, OK | Oil & Gas Property | Feb 2025 |
| 62018 | ISBELL | Carter County, OK | Oil Property | Feb 2025 |
| 62019 | ISBELL | Grimes County, TX | Oil & Gas Property | Feb 2025 |
| 62020 | ISBELL | Bradford County, PA | Gas Property | Mar 2025 |
| 62021 | ISBELL | Johnson County, TX | Oil & Gas Property | Feb 2025 |
| 62022 | ISBELL 21 | Parker County, TX | Oil & Gas Property | Feb 2025 |
| 62023 | ISBELL HORIZONTAL UNIT | Midland County, TX | Oil & Gas Property | Feb 2025 |
| 62024 | ISBELL-FRY | Jones County, TX | Oil Property | Sep 2024 |
| 62025 | ISBILL | McClain County, OK | Oil & Gas Property | Feb 2025 |
| 62026 | ISCH | Roger Mills County, OK | Oil & Gas Property | Feb 2025 |
| 62027 | ISCO A | Los Angeles County, CA | Oil & Gas Property | Jan 1993 |
| 62028 | ISEMAN | Armstrong County, PA | Gas Property | Dec 2024 |
| 62029 | ISENBART | Woods County, OK | Gas Property | Mar 2015 |
| 62030 | ISENBART | Woods County, OK | Oil & Gas Property | Feb 2025 |
| 62031 | ISENBERGER | Converse County, WY | Gas Property | Nov 2015 |
| 62032 | ISENHOUR | Sublette County, WY | Oil & Gas Property | Dec 2024 |
| 62033 | ISENHOWER | Callahan County, TX | Oil & Gas Property | Feb 2025 |
| 62034 | ISENHOWER W. EST | Eastland County, TX | Oil & Gas Property | Dec 2024 |
| 62035 | ISENSEE | Nueces County, TX | Oil & Gas Property | Feb 2025 |
| 62036 | ISERN | Ness County, KS | Oil Property | Jan 2025 |
| 62037 | ISERN | Barton County, KS | Oil & Gas Property | Jan 2025 |
| 62038 | ISERNHAGEN | Cheyenne County, KS | Gas Property | Jan 2025 |
| 62039 | ISG/DCE | Cuyahoga County, OH | Oil & Gas Property | Dec 2024 |
| 62040 | ISGAR A#4 | La Plata County, CO | Gas Property | Mar 2025 |
| 62041 | ISHAM | Jim Wells County, TX | Oil & Gas Property | Feb 2025 |
| 62042 | ISHAM | Texas County, OK | Gas Property | Feb 2025 |
| 62043 | ISHIBASHI | Orange County, CA | Oil & Gas Property | Jul 1989 |
| 62044 | ISHIGURO | Weld County, CO | Oil & Gas Property | Jul 2024 |
| 62045 | ISHMAN | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 62046 | ISIDRO MORENO ET AL | Webb County, TX | Oil & Gas Property | Feb 2025 |
| 62047 | ISLAND | Seminole County, OK | Oil & Gas Property | Feb 2025 |
| 62048 | ISLAND BUTTE | Montezuma County, CO | Oil & Gas Property | Mar 2025 |
| 62049 | ISLAND CREEK | Mingo County, WV | Gas Property | Dec 2021 |
| 62050 | ISLAND CREEK | Lincoln County, WV | Oil & Gas Property | Dec 2021 |
| 62051 | ISLAND CREEK CO | Logan County, WV | Oil & Gas Property | Dec 2021 |
| 62052 | ISLAND CREEK CO | Hopkins County, KY | Oil & Gas Property | Dec 2022 |
| 62053 | ISLAND CREEK COAL | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 62054 | ISLAND CREEK COAL C | McDowell County, WV | Gas Property | Dec 2021 |
| 62055 | ISLAND CREEK COAL CO | Hopkins County, KY | Oil & Gas Property | Dec 2021 |
| 62056 | ISLAND LAKE 6092 12-24H | Burke County, ND | Oil & Gas Property | Mar 2025 |
| 62057 | ISLAND PARK B | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 62058 | ISLAND RANCH | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 62059 | ISLAND U | Uintah County, UT | Oil & Gas Property | Mar 2025 |
| 62060 | ISLAND U | Uintah County, UT | Oil & Gas Property | Dec 2015 |
| 62061 | ISLAND UNIT | Uintah County, UT | Oil & Gas Property | Mar 2025 |
| 62062 | ISLE | Montgomery County, KS | Gas Property | Jan 2025 |
| 62063 | ISLE ROYAL 148-95-02A-11H-TF-LL | Dunn County, ND | Oil & Gas Property | Mar 2025 |
| 62064 | ISLER FE | Chaves County, NM | Gas Property | Feb 2025 |
| 62065 | ISLER FEDERAL | Chaves County, NM | Oil & Gas Property | Jun 2017 |
| 62066 | ISLER-PENNZOIL FEDERAL | Chaves County, NM | Gas Property | Apr 2020 |
| 62067 | ISLES LANE | Caddo Parish, LA | Oil Property | Nov 2024 |
| 62068 | ISLEY | Okmulgee County, OK | Gas Property | Jan 2013 |
| 62069 | ISLEY I | Gregg County, TX | Oil & Gas Property | Feb 2025 |
| 62070 | ISMAY FLODINE | San Juan County, UT | Oil & Gas Property | Mar 2025 |
| 62071 | ISMERT 2 | Reno County, KS | Oil & Gas Property | Jan 2025 |
| 62072 | ISOM | Stevens County, KS | Gas Property | Jan 2025 |
| 62073 | ISOM | Texas County, OK | Oil & Gas Property | Feb 2025 |
| 62074 | ISON | Elliott County, KY | Oil Property | Dec 2023 |
| 62075 | ISON, ANDERSON | Elliott County, KY | Oil & Gas Property | Dec 2015 |
| 62076 | ISON, CALLIE | Letcher County, KY | Oil & Gas Property | Dec 2023 |
| 62077 | ISON, JAMES D | Letcher County, KY | Gas Property | Dec 2019 |
| 62078 | ISON, JEFFERSON | Letcher County, KY | Gas Property | Dec 2023 |
| 62079 | ISON, JESSE | Letcher County, KY | Oil & Gas Property | Dec 2023 |
| 62080 | ISON, MOSES 7 | Letcher County, KY | Gas Property | Dec 2023 |
| 62081 | ISON, O D | Elliott County, KY | Oil & Gas Property | Dec 2019 |
| 62082 | ISON, TIVIS & REEDA | Elliott County, KY | Oil & Gas Property | Dec 2018 |
| 62083 | ISPOCOGEE | Tulsa County, OK | Oil Property | Feb 2025 |
| 62084 | ISRAEL | Morton County, KS | Oil & Gas Property | Jan 2025 |
| 62085 | ISRAEL | Wise County, TX | Oil & Gas Property | Feb 2025 |
| 62086 | ISRAEL | Ford County, KS | Oil Property | Jan 2025 |
| 62087 | ISRAEL BARNETT | Jefferson County, OK | Oil Property | Dec 2024 |
| 62088 | ISRAEL GAS UNIT | Stanton County, KS | Gas Property | Jan 2025 |
| 62089 | ISSLER | Chautauqua County, NY | Gas Property | Dec 2023 |
| 62090 | ITALIAN STALLION | Fayette County, TX | Oil & Gas Property | Feb 2025 |
| 62091 | ITCH STATE | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 62092 | ITHACA 15 14 | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 62093 | ITHACA 42 | Glasscock County, TX | Oil & Gas Property | Feb 2025 |
| 62094 | ITHAMAR 41-13TFH | Dunn County, ND | Oil & Gas Property | Mar 2025 |
| 62095 | ITS HEDLEY UNIT 17-27 | Cochran County, TX | Oil & Gas Property | Feb 2025 |
| 62096 | ITTNER | Cheyenne County, NE | Oil Property | Dec 2024 |
| 62097 | IVA 1-6H | Williams County, ND | Oil & Gas Property | Mar 2025 |
| 62098 | IVA JO | Caddo County, OK | Oil & Gas Property | Mar 2025 |
| 62099 | IVA O MCCABE 1409 | Canadian County, OK | Oil & Gas Property | Feb 2025 |
| 62100 | IVA THOMSON | Clearfield County, PA | Gas Property | Dec 2024 |