| 50201 | GULF BEATY | Eddy County, NM | Oil & Gas Property | Jun 2024 |
| 50202 | GULF BROWNING | Caddo Parish, LA | Oil Property | Jan 2025 |
| 50203 | GULF CHAMBERS FEE | Liberty County, TX | Oil & Gas Property | Jun 2026 |
| 50204 | GULF CROWN-CENT | Liberty County, TX | Oil & Gas Property | Mar 2022 |
| 50205 | GULF ESTES | Crane County, TX | Oil & Gas Property | Jun 2026 |
| 50206 | GULF ETAL | Hardin County, TX | Oil & Gas Property | Jan 2026 |
| 50207 | GULF F | Liberty County, TX | Oil & Gas Property | Jun 2026 |
| 50208 | GULF FEDERAL | Eddy County, NM | Oil & Gas Property | Nov 2021 |
| 50209 | GULF FEDERAL | Lea County, NM | Oil & Gas Property | Aug 2024 |
| 50210 | GULF FEDERAL | Eddy County, NM | Gas Property | Oct 2019 |
| 50211 | GULF FEDERAL | Lea County, NM | Oil & Gas Property | Jul 2026 |
| 50212 | GULF FEDERAL | Lea County, NM | Oil Property | Oct 2009 |
| 50213 | GULF FEE | Hardin County, TX | Oil & Gas Property | Jun 2026 |
| 50214 | GULF FEE | Jefferson County, OK | Oil Property | Jan 2025 |
| 50215 | GULF FEE | Iberia Parish, LA | Oil & Gas Property | Jul 2002 |
| 50216 | GULF FEE | Orange County, TX | Oil & Gas Property | Oct 2025 |
| 50217 | GULF FEE | Chambers County, TX | Oil & Gas Property | Mar 2026 |
| 50218 | GULF FEE /MONONGAHELA/ | Chambers County, TX | Oil & Gas Property | Oct 2011 |
| 50219 | GULF FLUSS | Eddy County, NM | Oil Property | Jun 2026 |
| 50220 | GULF HANAGAN FEDERAL | Lea County, NM | Oil & Gas Property | Sep 2010 |
| 50221 | GULF HILL | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 50222 | GULF HOOKS | Hardin County, TX | Oil & Gas Property | Apr 2026 |
| 50223 | GULF INTERSTATE FEE | Galveston County, TX | Oil & Gas Property | Jun 2026 |
| 50224 | GULF LAND | Cameron Parish, LA | Oil & Gas Property | Jan 2025 |
| 50225 | GULF LAND CO | Harris County, TX | Oil & Gas Property | Jun 2026 |
| 50226 | GULF MATTERN | Lea County, NM | Oil & Gas Property | May 2026 |
| 50227 | GULF MUCHER | Caddo Parish, LA | Oil Property | Jan 2025 |
| 50228 | GULF PROD. CO | Hardin County, TX | Oil & Gas Property | Jun 2026 |
| 50229 | GULF PRODUCTION | Hardin County, TX | Oil & Gas Property | Jun 2026 |
| 50230 | GULF REF | Ascension Parish, LA | Oil & Gas Property | Dec 2024 |
| 50231 | GULF S | Lea County, NM | Oil & Gas Property | May 2026 |
| 50232 | GULF STATE | Lea County, NM | Oil & Gas Property | Jan 2022 |
| 50233 | GULF STATE | Eddy County, NM | Oil Property | Jun 2026 |
| 50234 | GULF STATE | Weston County, WY | Oil Property | Mar 1992 |
| 50235 | GULF STATE | Eddy County, NM | Oil & Gas Property | May 2026 |
| 50236 | GULF STATE | Eddy County, NM | Oil & Gas Property | Mar 2026 |
| 50237 | GULF STATE 36 | Uintah County, UT | Oil & Gas Property | Jul 2026 |
| 50238 | GULF STATE PARK | Baldwin County, AL | Gas Property | Mar 2014 |
| 50239 | GULF STATES | Tuscaloosa County, AL | Gas Property | Jun 2026 |
| 50240 | GULF STATES | Tuscaloosa County, AL | Gas Property | Jun 2026 |
| 50241 | GULF STATES | Tuscaloosa County, AL | Gas Property | Oct 2023 |
| 50242 | GULF STATES PAPER | Tuscaloosa County, AL | Gas Property | Jun 2026 |
| 50243 | GULF STATES PAPER | Tuscaloosa County, AL | Gas Property | Sep 2008 |
| 50244 | GULF TUBB | Crane County, TX | Oil & Gas Property | Jun 2026 |
| 50245 | GULF USA | Centre County, PA | Gas Property | Jun 2026 |
| 50246 | GULF USA | Centre County, PA | Gas Property | Jun 2026 |
| 50247 | GULF WEST | Hardin County, TX | Oil & Gas Property | May 2026 |
| 50248 | GULF WM. WINFREE FEE | Orange County, TX | Oil & Gas Property | Aug 2023 |
| 50249 | GULF-BALDWIN FEE | Liberty County, TX | Oil & Gas Property | Apr 2025 |
| 50250 | GULF-CHOATE FEE | Hardin County, TX | Oil & Gas Property | Jun 2026 |
| 50251 | GULF-HERRINGTON | Hardin County, TX | Oil & Gas Property | Jan 2022 |
| 50252 | GULF-HOPKINS FEE TRACT 2 | Hardin County, TX | Oil & Gas Property | Aug 2019 |
| 50253 | GULF-JAMES W. REA, JR. ET AL | Santa Clara County, CA | Oil & Gas Property | Mar 2026 |
| 50254 | GULF-JENKINS | Winkler County, TX | Oil & Gas Property | Jun 2026 |
| 50255 | GULF-MESA SAPPINGTON | Hemphill County, TX | Oil & Gas Property | May 2026 |
| 50256 | GULF-POTTER | Marion County, TX | Oil & Gas Property | Jun 2026 |
| 50257 | GULF-SANFORD | Hutchinson County, TX | Oil & Gas Property | Apr 2026 |
| 50258 | GULF-SUN UNIT | Hardin County, TX | Oil & Gas Property | May 2026 |
| 50259 | GULF-WHITTENBURG | Hutchinson County, TX | Oil & Gas Property | Nov 2025 |
| 50260 | GULICK | Ness County, KS | Oil Property | May 2026 |
| 50261 | GULICK | Allegheny County, PA | Oil & Gas Property | Jun 2026 |
| 50262 | GULLA UNIT | Washington County, PA | Oil & Gas Property | Jun 2026 |
| 50263 | GULLETT | Magoffin County, KY | Oil Property | May 2022 |
| 50264 | GULLETT HEIRS | Magoffin County, KY | Gas Property | Dec 2024 |
| 50265 | GULLEY | Rogers County, OK | Oil Property | Aug 2025 |
| 50266 | GULLEY | Washington County, CO | Oil & Gas Property | May 2026 |
| 50267 | GULLEY | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 50268 | GULLEY 1 | Weld County, CO | Oil & Gas Property | Nov 2023 |
| 50269 | GULLEY GAS UNIT | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 50270 | GULLEY M.E. GAS UNIT | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 50271 | GULLICK | Montgomery County, KS | Oil Property | Jun 2024 |
| 50272 | GULLICKSON | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 50273 | GULLIKSON | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 50274 | GULLIKSON | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 50275 | GULLIVER | Cayuga County, NY | Gas Property | Dec 2025 |
| 50276 | GULLO, RICHARD | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 50277 | GULLWING | Laramie County, WY | Oil & Gas Property | Jul 2026 |
| 50278 | GULLY | Union Parish, LA | Gas Property | Mar 2024 |
| 50279 | GULLY | Texas County, OK | Gas Property | Jun 2026 |
| 50280 | GULLY 152-94-16A-21H-TF1 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 50281 | GUM 2 UNIT | Crawford County, PA | Gas Property | Dec 2025 |
| 50282 | GUM GAS UNIT 'B' | Stanton County, KS | Gas Property | May 2026 |
| 50283 | GUM UNIT 1H | Fayette County, TX | Oil & Gas Property | Jun 2026 |
| 50284 | GUM, BROOKS JAY MAXWELL | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 50285 | GUM, ERNEST KEMP JR. GARRETT | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 50286 | GUM, GARNET | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 50287 | GUM, KEMP | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 50288 | GUMBLE | Ellis County, KS | Oil Property | Apr 2026 |
| 50289 | GUMBO FLATS | Bowman County, ND | Oil & Gas Property | Jun 2026 |
| 50290 | GUMBY BAG FEDERAL | Eddy County, NM | Oil & Gas Property | Sep 2021 |
| 50291 | GUMESON | Weld County, CO | Oil & Gas Property | Aug 2014 |
| 50292 | GUMLOG | Pope County, AR | Gas Property | May 2008 |
| 50293 | GUMM | Goliad County, TX | Oil & Gas Property | Feb 2021 |
| 50294 | GUMMOW-FINNEL | Payne County, OK | Oil Property | Apr 2026 |
| 50295 | GUMP TRUST ET AL | Kern County, CA | Oil & Gas Property | Jun 2026 |
| 50296 | GUN BARREL | Natrona County, WY | Oil & Gas Property | Jul 2026 |
| 50297 | GUN BARREL | Fremont County, WY | Oil & Gas Property | Jul 2026 |
| 50298 | GUN BARREL CORNER | Knox County, TX | Oil & Gas Property | Jan 2025 |
| 50299 | GUN BARREL UNIT | Fremont County, WY | Oil & Gas Property | Jul 2026 |
| 50300 | GUNDER T | McKenzie County, ND | Oil & Gas Property | Jun 2026 |