| 19201 | IRENE O UNIT 3-18 | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 19202 | IRION | Rusk County, TX | Oil & Gas Property | Jan 2026 |
| 19203 | IRISH | Hale County, TX | Oil & Gas Property | Apr 2020 |
| 19204 | IRMA | Moore County, TX | Oil Property | Jan 2026 |
| 19205 | IRMA | Upton County, TX | Oil & Gas Property | Jan 2026 |
| 19206 | IRMA UNIT | Ector County, TX | Oil & Gas Property | Dec 2025 |
| 19207 | IRON BRIDGE TANNEHILL A SAND UNT | Dickens County, TX | Oil & Gas Property | Jan 2026 |
| 19208 | IRON CITY STATE | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 19209 | IRON DUKE | Madison County, TX | Oil & Gas Property | Jan 2026 |
| 19210 | IRON DUKE (ALLOCATION) | Madison County, TX | Oil & Gas Property | Jan 2026 |
| 19211 | IRON EAGLE DEEP UNIT | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 19212 | IRON EAGLE UNIT | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 19213 | IRON HORSE | Throckmorton County, TX | Oil & Gas Property | Jan 2026 |
| 19214 | IRON MIKE | Reeves County, TX | Oil & Gas Property | Dec 2025 |
| 19215 | IRON MOUNTAIN | Polk County, TX | Oil & Gas Property | Jan 2026 |
| 19216 | IRONBORN 34-27 | Dawson County, TX | Oil & Gas Property | Dec 2025 |
| 19217 | IRONS | Montague County, TX | Oil & Gas Property | Oct 2016 |
| 19218 | IRONWOOD | Frio County, TX | Oil & Gas Property | Jan 2026 |
| 19219 | IROQUOIS STATE UNIT | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 19220 | IRT 53 | Pecos County, TX | Oil Property | Jan 2026 |
| 19221 | IRT 6 | Pecos County, TX | Oil & Gas Property | Jul 2025 |
| 19222 | IRVIN | Jones County, TX | Oil & Gas Property | Jan 2026 |
| 19223 | IRVIN | Hardeman County, TX | Oil & Gas Property | Jan 2026 |
| 19224 | IRVIN | Taylor County, TX | Oil & Gas Property | May 2025 |
| 19225 | IRVIN | La Salle County, TX | Oil & Gas Property | Jan 2026 |
| 19226 | IRVIN "A" | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 19227 | IRVIN F-G ALLOC | La Salle County, TX | Oil & Gas Property | Jan 2026 |
| 19228 | IRVIN F-G-IMN ALLOC | La Salle County, TX | Oil & Gas Property | Jan 2026 |
| 19229 | IRVIN FAMILY | La Salle County, TX | Oil & Gas Property | Jan 2026 |
| 19230 | IRVIN GAS UNIT | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 19231 | IRVIN H-I ALLOCATION | La Salle County, TX | Oil & Gas Property | Jan 2026 |
| 19232 | IRVIN MINERALS NORTH | La Salle County, TX | Oil & Gas Property | Jan 2026 |
| 19233 | IRVIN MINERALS SOUTH | La Salle County, TX | Oil & Gas Property | Jan 2026 |
| 19234 | IRVIN SISTERS | Ochiltree County, TX | Oil & Gas Property | Dec 2025 |
| 19235 | IRVIN-CONLEY "D" | Hardeman County, TX | Oil & Gas Property | Jan 2026 |
| 19236 | IRVINE | Parker County, TX | Oil & Gas Property | Jan 2026 |
| 19237 | IRVINE CHARLES | Navarro County, TX | Oil & Gas Property | Jan 2026 |
| 19238 | IRWIN | Medina County, TX | Oil & Gas Property | Dec 2025 |
| 19239 | IRWIN | Throckmorton County, TX | Oil & Gas Property | Jan 2026 |
| 19240 | IRWIN | Nacogdoches County, TX | Oil & Gas Property | Jan 2026 |
| 19241 | IRWIN A 1 | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 19242 | IRWIN BEN | Nacogdoches County, TX | Oil & Gas Property | Jan 2026 |
| 19243 | IRWIN STANLEY | Throckmorton County, TX | Oil & Gas Property | Dec 2025 |
| 19244 | IRWIN, JOHN R | Medina County, TX | Oil & Gas Property | Jun 2013 |
| 19245 | ISAAC | Hardin County, TX | Oil & Gas Property | Jan 2026 |
| 19246 | ISAAC | Nacogdoches County, TX | Oil & Gas Property | Jan 2026 |
| 19247 | ISAACS | Roberts County, TX | Oil & Gas Property | Jan 2026 |
| 19248 | ISAACS | Hemphill County, TX | Oil & Gas Property | Jan 2026 |
| 19249 | ISAACS | Hemphill County, TX | Oil & Gas Property | Jan 2026 |
| 19250 | ISAACS DAVID Q | Hemphill County, TX | Oil & Gas Property | Jan 2026 |
| 19251 | ISAACS JOHN | Hemphill County, TX | Oil & Gas Property | Jan 2026 |
| 19252 | ISAACS-SIMPSON | Hemphill County, TX | Oil & Gas Property | Jan 2026 |
| 19253 | ISAAK | Karnes County, TX | Oil & Gas Property | Jan 2026 |
| 19254 | ISABEL | Ector County, TX | Oil & Gas Property | Jan 2026 |
| 19255 | ISABELLA | Gonzales County, TX | Oil & Gas Property | Apr 2003 |
| 19256 | ISABELLE | Karnes County, TX | Oil & Gas Property | Jan 2026 |
| 19257 | ISBELL | Johnson County, TX | Oil & Gas Property | Jan 2026 |
| 19258 | ISBELL 21 | Parker County, TX | Oil & Gas Property | Jan 2026 |
| 19259 | ISBELL HORIZONTAL UNIT | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 19260 | ISBELL-FRY | Jones County, TX | Oil Property | Sep 2024 |
| 19261 | ISENHOWER | Callahan County, TX | Oil & Gas Property | Jan 2026 |
| 19262 | ISENHOWER W. EST | Eastland County, TX | Oil & Gas Property | Nov 2025 |
| 19263 | ISENSEE | Nueces County, TX | Oil & Gas Property | Jan 2026 |
| 19264 | ISHAM | Jim Wells County, TX | Oil & Gas Property | Dec 2025 |
| 19265 | ISIDRO MORENO ET AL | Webb County, TX | Oil & Gas Property | Jan 2026 |
| 19266 | ISLE ROYALE 20-5 | Dawson County, TX | Oil & Gas Property | Dec 2025 |
| 19267 | ISLEY I | Gregg County, TX | Oil & Gas Property | Jan 2026 |
| 19268 | ISRAEL | Wise County, TX | Oil & Gas Property | Jan 2026 |
| 19269 | ITALIAN STALLION | Fayette County, TX | Oil & Gas Property | Dec 2025 |
| 19270 | ITHACA 42 | Glasscock County, TX | Oil & Gas Property | Jan 2026 |
| 19271 | IVAS SMITH 0 | Live Oak County, TX | Oil & Gas Property | Jan 2026 |
| 19272 | IVENS | Sherman County, TX | Gas Property | Jan 2026 |
| 19273 | IVENS | Sherman County, TX | Oil & Gas Property | Jan 2026 |
| 19274 | IVERSON | Andrews County, TX | Oil & Gas Property | Jan 2026 |
| 19275 | IVERSON | Andrews County, TX | Oil & Gas Property | Jan 2026 |
| 19276 | IVERSON 17 | Martin County, TX | Oil & Gas Property | Jan 2026 |
| 19277 | IVERSON-COWDEN | Winkler County, TX | Oil & Gas Property | Mar 2009 |
| 19278 | IVESTOR | Wheeler County, TX | Oil & Gas Property | Jan 2026 |
| 19279 | IVEY | Jack County, TX | Oil & Gas Property | Jan 2026 |
| 19280 | IVEY | Hockley County, TX | Oil & Gas Property | Dec 2025 |
| 19281 | IVEY | Hockley County, TX | Oil & Gas Property | Dec 2025 |
| 19282 | IVEY RANCH | Dimmit County, TX | Oil & Gas Property | Jan 2026 |
| 19283 | IVEY UNIT | Karnes County, TX | Oil & Gas Property | Jan 2026 |
| 19284 | IVEY, WILL | Madison County, TX | Oil & Gas Property | Nov 2025 |
| 19285 | IVORY | Gonzales County, TX | Oil & Gas Property | Jan 2026 |
| 19286 | IVORY ACQ | Marion County, TX | Oil & Gas Property | Jan 2026 |
| 19287 | IVY A | Hutchinson County, TX | Oil & Gas Property | Jan 2026 |
| 19288 | IVY A GAS UNIT | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 19289 | IVY ATHEL | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 19290 | IVY B GAS UNIT 1 | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 19291 | IVY B GU1 | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 19292 | IVY BETTY JEAN | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 19293 | IVY H | Shackelford County, TX | Oil Property | Sep 2025 |
| 19294 | IVY JIM | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 19295 | IVY MOUNTAIN 53-4-3 UNIT 1H | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 19296 | IVY PHILIP GAS UNIT | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 19297 | IVY PHILLIP | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 19298 | IVY UNIT | Fayette County, TX | Oil & Gas Property | Sep 2022 |
| 19299 | IVY-OMAN | Shackelford County, TX | Oil Property | Nov 2025 |
| 19300 | IWO JIMA 26-14 UNIT | Reeves County, TX | Oil & Gas Property | Jan 2026 |