| 50001 | GULF S | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 50002 | GULF STATE | Lea County, NM | Oil & Gas Property | Jan 2022 |
| 50003 | GULF STATE | Eddy County, NM | Oil Property | Apr 2026 |
| 50004 | GULF STATE | Weston County, WY | Oil Property | Mar 1992 |
| 50005 | GULF STATE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 50006 | GULF STATE | Eddy County, NM | Oil & Gas Property | Mar 2026 |
| 50007 | GULF STATE 36 | Uintah County, UT | Oil & Gas Property | Apr 2026 |
| 50008 | GULF STATE PARK | Baldwin County, AL | Gas Property | Mar 2014 |
| 50009 | GULF STATES | Tuscaloosa County, AL | Gas Property | Mar 2026 |
| 50010 | GULF STATES | Tuscaloosa County, AL | Gas Property | Mar 2026 |
| 50011 | GULF STATES | Tuscaloosa County, AL | Gas Property | Oct 2023 |
| 50012 | GULF STATES PAPER | Tuscaloosa County, AL | Gas Property | Mar 2026 |
| 50013 | GULF STATES PAPER | Tuscaloosa County, AL | Gas Property | Sep 2008 |
| 50014 | GULF TUBB | Crane County, TX | Oil & Gas Property | Mar 2026 |
| 50015 | GULF USA | Centre County, PA | Gas Property | Mar 2026 |
| 50016 | GULF USA | Centre County, PA | Gas Property | Mar 2026 |
| 50017 | GULF WEST | Hardin County, TX | Oil & Gas Property | Mar 2026 |
| 50018 | GULF WM. WINFREE FEE | Orange County, TX | Oil & Gas Property | Aug 2023 |
| 50019 | GULF-BALDWIN FEE | Liberty County, TX | Oil & Gas Property | Apr 2025 |
| 50020 | GULF-CHOATE FEE | Hardin County, TX | Oil & Gas Property | Feb 2026 |
| 50021 | GULF-CROWN CENT | Liberty County, TX | Oil & Gas Property | Mar 2022 |
| 50022 | GULF-HERRINGTON | Hardin County, TX | Oil & Gas Property | Jan 2022 |
| 50023 | GULF-HOPKINS FEE TRACT 2 | Hardin County, TX | Oil & Gas Property | Aug 2019 |
| 50024 | GULF-JAMES W. REA, JR. ET AL | Santa Clara County, CA | Oil & Gas Property | Mar 2026 |
| 50025 | GULF-JENKINS | Winkler County, TX | Oil & Gas Property | Mar 2026 |
| 50026 | GULF-MESA SAPPINGTON | Hemphill County, TX | Oil & Gas Property | Mar 2026 |
| 50027 | GULF-POTTER | Marion County, TX | Oil & Gas Property | Mar 2026 |
| 50028 | GULF-SANFORD | Hutchinson County, TX | Oil & Gas Property | Feb 2026 |
| 50029 | GULF-SUN UNIT | Hardin County, TX | Oil & Gas Property | Feb 2026 |
| 50030 | GULF-WHITTENBURG | Hutchinson County, TX | Oil & Gas Property | Nov 2025 |
| 50031 | GULICK | Ness County, KS | Oil Property | Feb 2026 |
| 50032 | GULICK | Allegheny County, PA | Oil & Gas Property | Mar 2026 |
| 50033 | GULLA UNIT | Washington County, PA | Oil & Gas Property | Sep 2024 |
| 50034 | GULLETT | Magoffin County, KY | Oil Property | May 2022 |
| 50035 | GULLETT HEIRS | Magoffin County, KY | Gas Property | Dec 2024 |
| 50036 | GULLEY | Rogers County, OK | Oil Property | Aug 2025 |
| 50037 | GULLEY | Washington County, CO | Oil & Gas Property | Apr 2026 |
| 50038 | GULLEY | Panola County, TX | Oil & Gas Property | Mar 2026 |
| 50039 | GULLEY 1 | Weld County, CO | Oil & Gas Property | Nov 2023 |
| 50040 | GULLEY GAS UNIT | Harrison County, TX | Oil & Gas Property | Mar 2026 |
| 50041 | GULLEY M.E. GAS UNIT | Panola County, TX | Oil & Gas Property | Mar 2026 |
| 50042 | GULLICK | Montgomery County, KS | Oil Property | Jun 2024 |
| 50043 | GULLICKSON | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 50044 | GULLIKSON | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 50045 | GULLIKSON | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 50046 | GULLIVER | Cayuga County, NY | Gas Property | Dec 2024 |
| 50047 | GULLO, RICHARD | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 50048 | GULLWING | Laramie County, WY | Oil & Gas Property | Apr 2026 |
| 50049 | GULLY | Union Parish, LA | Gas Property | Mar 2024 |
| 50050 | GULLY | Texas County, OK | Gas Property | Mar 2026 |
| 50051 | GULLY 152-94-16A-21H-TF1 | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 50052 | GUM 2 UNIT | Crawford County, PA | Gas Property | Dec 2025 |
| 50053 | GUM GAS UNIT 'B' | Stanton County, KS | Gas Property | Feb 2026 |
| 50054 | GUM UNIT 1H | Fayette County, TX | Oil & Gas Property | Mar 2026 |
| 50055 | GUM, BROOKS JAY MAXWELL | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 50056 | GUM, ERNEST KEMP JR. GARRETT | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 50057 | GUM, GARNET | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 50058 | GUM, KEMP | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 50059 | GUMBLE | Ellis County, KS | Oil Property | Jan 2026 |
| 50060 | GUMBO FLATS | Bowman County, ND | Oil & Gas Property | Apr 2026 |
| 50061 | GUMBY BAG FEDERAL | Eddy County, NM | Oil & Gas Property | Sep 2021 |
| 50062 | GUMESON | Weld County, CO | Oil & Gas Property | Aug 2014 |
| 50063 | GUMLOG | Pope County, AR | Gas Property | May 2008 |
| 50064 | GUMM | Goliad County, TX | Oil & Gas Property | Feb 2021 |
| 50065 | GUMMOW-FINNEL | Payne County, OK | Oil Property | Feb 2026 |
| 50066 | GUMP TRUST ET AL | Kern County, CA | Oil & Gas Property | Mar 2026 |
| 50067 | GUN BARREL | Natrona County, WY | Oil & Gas Property | Apr 2026 |
| 50068 | GUN BARREL | Fremont County, WY | Oil & Gas Property | Apr 2026 |
| 50069 | GUN BARREL CORNER | Knox County, TX | Oil & Gas Property | Jan 2025 |
| 50070 | GUN BARREL UNIT | Fremont County, WY | Oil & Gas Property | Apr 2026 |
| 50071 | GUNDER T | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 50072 | GUNDERSON | Toole County, MT | Oil & Gas Property | Mar 2026 |
| 50073 | GUNDERSON | Musselshell County, MT | Oil & Gas Property | Feb 2017 |
| 50074 | GUNDERSON | Liberty County, MT | Gas Property | Apr 2026 |
| 50075 | GUNDERSON | Fallon County, MT | Gas Property | Oct 2010 |
| 50076 | GUNDERSON | Mesa County, CO | Oil & Gas Property | Mar 2026 |
| 50077 | GUNDERSON | Toole County, MT | Oil & Gas Property | Mar 2026 |
| 50078 | GUNDERSON 1 | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 50079 | GUNDLACH | Dewey County, OK | Oil & Gas Property | Mar 2026 |
| 50080 | GUNDY | Canadian County, OK | Oil & Gas Property | Mar 2026 |
| 50081 | GUNGOLL | Garfield County, OK | Oil & Gas Property | Mar 2026 |
| 50082 | GUNKEL #1 | Payne County, OK | Oil & Gas Property | Mar 2025 |
| 50083 | GUNN | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 50084 | GUNN | Fresno County, CA | Oil Property | Sep 1978 |
| 50085 | GUNN | Milam County, TX | Oil & Gas Property | Mar 2026 |
| 50086 | GUNN | Cotton County, OK | Oil Property | Feb 2024 |
| 50087 | GUNN | Crawford County, AR | Gas Property | Jun 2024 |
| 50088 | GUNN | Barton County, KS | Oil Property | Feb 2026 |
| 50089 | GUNN | Brown County, TX | Oil & Gas Property | Mar 2026 |
| 50090 | GUNN | Nolan County, TX | Oil & Gas Property | Mar 2026 |
| 50091 | GUNN | Seward County, KS | Oil & Gas Property | Feb 2026 |
| 50092 | GUNN A | Calhoun County, WV | Oil & Gas Property | Dec 2018 |
| 50093 | GUNN BARREL UNIT 17-32 BT | Fremont County, WY | Oil & Gas Property | Apr 2026 |
| 50094 | GUNN J. R. GAS UNIT | Upshur County, TX | Oil & Gas Property | Mar 2026 |
| 50095 | GUNN MARGARET | Gregg County, TX | Oil & Gas Property | Mar 2026 |
| 50096 | GUNN, J. C. ET AL -A | Ward County, TX | Oil & Gas Property | Feb 2019 |
| 50097 | GUNN-GIBSON | Rooks County, KS | Oil Property | Jan 2026 |
| 50098 | GUNN-J-W ULW G | Dewitt County, TX | Oil & Gas Property | Mar 2026 |
| 50099 | GUNN-WEIGELT USW | Dewitt County, TX | Oil & Gas Property | Mar 2026 |
| 50100 | GUNNELL | Haskell County, KS | Gas Property | Feb 2026 |