| 62101 | ISGAR A#4 | La Plata County, CO | Gas Property | Dec 2025 |
| 62102 | ISHAM | Jim Wells County, TX | Oil & Gas Property | Dec 2025 |
| 62103 | ISHAM | Texas County, OK | Gas Property | Dec 2025 |
| 62104 | ISHIBASHI | Orange County, CA | Oil & Gas Property | Jul 1989 |
| 62105 | ISHIGURO | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 62106 | ISHMAN | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 62107 | ISIDRO MORENO ET AL | Webb County, TX | Oil & Gas Property | Dec 2025 |
| 62108 | ISLAND | Seminole County, OK | Oil & Gas Property | Dec 2025 |
| 62109 | ISLAND BUTTE | Montezuma County, CO | Oil & Gas Property | Dec 2025 |
| 62110 | ISLAND CREEK | Lincoln County, WV | Oil & Gas Property | Dec 2021 |
| 62111 | ISLAND CREEK | Mingo County, WV | Gas Property | Dec 2021 |
| 62112 | ISLAND CREEK CO | Hopkins County, KY | Oil & Gas Property | Jan 2024 |
| 62113 | ISLAND CREEK CO | Logan County, WV | Oil & Gas Property | Dec 2021 |
| 62114 | ISLAND CREEK COAL | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 62115 | ISLAND CREEK COAL C | McDowell County, WV | Gas Property | Dec 2021 |
| 62116 | ISLAND CREEK COAL CO | Hopkins County, KY | Oil & Gas Property | Dec 2014 |
| 62117 | ISLAND LAKE 6092 12-24H | Burke County, ND | Oil & Gas Property | Jan 2026 |
| 62118 | ISLAND PARK B | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 62119 | ISLAND RANCH | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 62120 | ISLAND U | Uintah County, UT | Oil & Gas Property | Dec 2015 |
| 62121 | ISLAND U | Uintah County, UT | Oil & Gas Property | Jan 2026 |
| 62122 | ISLAND UNIT | Uintah County, UT | Oil & Gas Property | Jan 2026 |
| 62123 | ISLE | Montgomery County, KS | Gas Property | Sep 2025 |
| 62124 | ISLE ROYAL 148-95-02A-11H-TF-LL | Dunn County, ND | Oil & Gas Property | Jan 2026 |
| 62125 | ISLE ROYALE 20-5 | Dawson County, TX | Oil & Gas Property | Nov 2025 |
| 62126 | ISLER FE | Chaves County, NM | Gas Property | Jan 2026 |
| 62127 | ISLER FEDERAL | Chaves County, NM | Oil & Gas Property | Jun 2017 |
| 62128 | ISLER PENNZOIL FEDERAL | Chaves County, NM | Gas Property | Apr 2020 |
| 62129 | ISLES LANE | Caddo Parish, LA | Oil Property | Nov 2024 |
| 62130 | ISLEY | Okmulgee County, OK | Gas Property | Jan 2013 |
| 62131 | ISLEY I | Gregg County, TX | Oil & Gas Property | Dec 2025 |
| 62132 | ISMAY FLODINE | San Juan County, UT | Oil & Gas Property | Feb 2026 |
| 62133 | ISMERT 2 | Reno County, KS | Oil & Gas Property | Sep 2025 |
| 62134 | ISOM | Texas County, OK | Oil & Gas Property | Dec 2025 |
| 62135 | ISOM | Stevens County, KS | Gas Property | Sep 2025 |
| 62136 | ISON | Elliott County, KY | Oil Property | Dec 2023 |
| 62137 | ISON, ANDERSON | Elliott County, KY | Oil & Gas Property | Dec 2015 |
| 62138 | ISON, CALLIE | Letcher County, KY | Oil & Gas Property | Dec 2024 |
| 62139 | ISON, JAMES D | Letcher County, KY | Gas Property | Dec 2019 |
| 62140 | ISON, JEFFERSON | Letcher County, KY | Gas Property | Dec 2024 |
| 62141 | ISON, JESSE | Letcher County, KY | Oil & Gas Property | Dec 2024 |
| 62142 | ISON, MOSES 7 | Letcher County, KY | Gas Property | Dec 2024 |
| 62143 | ISON, O D | Elliott County, KY | Oil & Gas Property | Dec 2019 |
| 62144 | ISON, TIVIS & REEDA | Elliott County, KY | Oil & Gas Property | Sep 2024 |
| 62145 | ISRAEL | Ford County, KS | Oil Property | Sep 2025 |
| 62146 | ISRAEL | Wise County, TX | Oil & Gas Property | Dec 2025 |
| 62147 | ISRAEL | Morton County, KS | Oil & Gas Property | Sep 2025 |
| 62148 | ISRAEL BARNETT | Jefferson County, OK | Oil Property | Nov 2025 |
| 62149 | ISRAEL GAS UNIT | Stanton County, KS | Gas Property | Sep 2025 |
| 62150 | ISSLER | Chautauqua County, NY | Gas Property | Dec 2024 |
| 62151 | ISZLEY-USA | McKenzie County, ND | Oil & Gas Property | Jan 2026 |
| 62152 | ITALIAN STALLION | Fayette County, TX | Oil & Gas Property | Dec 2025 |
| 62153 | ITCH STATE | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 62154 | ITHACA 15 14 | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 62155 | ITHACA 42 | Glasscock County, TX | Oil & Gas Property | Dec 2025 |
| 62156 | ITHAMAR 41-13TFH | Dunn County, ND | Oil & Gas Property | Jan 2026 |
| 62157 | ITTNER | Cheyenne County, NE | Oil Property | Dec 2024 |
| 62158 | IVA #1-19 | McClain County, OK | Oil & Gas Property | Dec 2025 |
| 62159 | IVA 1-6H | Williams County, ND | Oil & Gas Property | Jan 2026 |
| 62160 | IVA JO | Caddo County, OK | Oil & Gas Property | Jan 2026 |
| 62161 | IVA O MCCABE 1409 | Canadian County, OK | Oil & Gas Property | Dec 2025 |
| 62162 | IVA THOMSON | Clearfield County, PA | Gas Property | Dec 2025 |
| 62163 | IVAN | McKenzie County, ND | Oil & Gas Property | Jan 2026 |
| 62164 | IVAN AND ALBERT CHRISTENSON | Bottineau County, ND | Oil & Gas Property | Jan 2026 |
| 62165 | IVAN C FETTERMAN | Indiana County, PA | Gas Property | Dec 2025 |
| 62166 | IVAN CS FED | Campbell County, WY | Gas Property | Aug 2018 |
| 62167 | IVAN FAIL | Wilson County, KS | Gas Property | Sep 2025 |
| 62168 | IVAN GEHRINGER | Bottineau County, ND | Oil Property | Jan 2026 |
| 62169 | IVAN HECKER USA 41-6H | Dunn County, ND | Oil & Gas Property | Jan 2026 |
| 62170 | IVAN RIVER UNIT | Tyonek Quadrangle, AK | Gas Property | Feb 2026 |
| 62171 | IVAN W LEAMER | Clearfield County, PA | Gas Property | Dec 2025 |
| 62172 | IVAR THE BONELESS FEDERAL | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 62173 | IVAS SMITH 0 | Live Oak County, TX | Oil & Gas Property | Dec 2025 |
| 62174 | IVEN | Kingfisher County, OK | Oil & Gas Property | Dec 2025 |
| 62175 | IVENS | Sherman County, TX | Gas Property | Dec 2025 |
| 62176 | IVENS | Sherman County, TX | Oil & Gas Property | Dec 2025 |
| 62177 | IVER 3-1-163-102 | Divide County, ND | Oil & Gas Property | Jan 2026 |
| 62178 | IVER GRAVSETH | Bottineau County, ND | Oil Property | Sep 1960 |
| 62179 | IVERS | La Plata County, CO | Gas Property | Dec 2025 |
| 62180 | IVERSEN | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 62181 | IVERSON | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 62182 | IVERSON | Liberty County, MT | Oil & Gas Property | Dec 2025 |
| 62183 | IVERSON | Mountrail County, ND | Oil & Gas Property | Jan 2026 |
| 62184 | IVERSON | Roosevelt County, MT | Oil & Gas Property | Jan 2026 |
| 62185 | IVERSON | Andrews County, TX | Oil & Gas Property | Dec 2025 |
| 62186 | IVERSON | Richland County, MT | Oil & Gas Property | Oct 2025 |
| 62187 | IVERSON | Andrews County, TX | Oil & Gas Property | Dec 2025 |
| 62188 | IVERSON | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 62189 | IVERSON | Pondera County, MT | Gas Property | Oct 2024 |
| 62190 | IVERSON 14-11H | Williams County, ND | Oil & Gas Property | Jan 2026 |
| 62191 | IVERSON 14-23H | Williams County, ND | Oil & Gas Property | Jan 2026 |
| 62192 | IVERSON 17 | Martin County, TX | Oil & Gas Property | Dec 2025 |
| 62193 | IVERSON-COWDEN | Winkler County, TX | Oil & Gas Property | Mar 2009 |
| 62194 | IVES | Seward County, KS | Gas Property | Sep 2025 |
| 62195 | IVESTOR | Wheeler County, TX | Oil & Gas Property | Dec 2025 |
| 62196 | IVEY | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 62197 | IVEY | Jack County, TX | Oil & Gas Property | Dec 2025 |
| 62198 | IVEY | Pittsburg County, OK | Gas Property | Dec 2025 |
| 62199 | IVEY | Adams County, CO | Oil & Gas Property | Dec 2025 |
| 62200 | IVEY | Hockley County, TX | Oil & Gas Property | Nov 2025 |