| Property Name | Property Location | Property Type | Most Recent Production | |
|---|---|---|---|---|
| 201 | OGU (SAYLORS | Henderson County, TX | Oil & Gas Property | Apr 2026 |
| 202 | OGU (SAYLORS M | Henderson County, TX | Oil & Gas Property | Apr 2026 |
| 203 | OGU (SPRADLIN G. T | Henderson County, TX | Oil & Gas Property | Apr 2026 |
| 204 | OGU (TULLOS | Henderson County, TX | Oil & Gas Property | Apr 2026 |
| 205 | OGU (WOFFORD G. M | Henderson County, TX | Oil & Gas Property | Apr 2026 |
| 206 | OH18 BBMKE 1HH | Rusk County, TX | Gas Property | Apr 2026 |
| 207 | OHAGEN B | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 208 | OHARROW | Upton County, TX | Oil & Gas Property | Mar 2024 |
| 209 | OHERN FIELD UNIT | Webb County, TX | Oil & Gas Property | Feb 1998 |
| 210 | OHIO-SUN UNIT | Matagorda County, TX | Oil & Gas Property | Apr 2026 |
| 211 | OHLHAUSEN W.T | Taylor County, TX | Oil Property | Mar 2026 |
| 212 | OHNHEISER UNIT | Fayette County, TX | Oil & Gas Property | Apr 2026 |
| 213 | OIL DEV CO OF TEX | Hansford County, TX | Oil & Gas Property | Apr 2026 |
| 214 | OIL DEVELOPMENT CO | Gaines County, TX | Oil & Gas Property | Apr 2026 |
| 215 | OIL INV CO -B | Archer County, TX | Oil & Gas Property | Apr 2026 |
| 216 | OIL INVESTMENT | Archer County, TX | Oil & Gas Property | Apr 2026 |
| 217 | OK CORRAL | Tarrant County, TX | Gas Property | Apr 2026 |
| 218 | OKAPI | Brazos County, TX | Oil & Gas Property | Mar 2026 |
| 219 | OKAPI STATE UNIT | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 220 | OKEEFE | Archer County, TX | Oil & Gas Property | Mar 2020 |
| 221 | OKELLY, OTHELL | Jones County, TX | Oil & Gas Property | Apr 2026 |
| 222 | OKINAWA 24-11 UNIT | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 223 | OLA MCCANN | San Patricio County, TX | Oil & Gas Property | Feb 2026 |
| 224 | OLAJUWON | Freestone County, TX | Oil & Gas Property | Apr 2026 |
| 225 | OLANDER CARL | Jones County, TX | Oil & Gas Property | Apr 2026 |
| 226 | OLAUGHLIN | Hansford County, TX | Oil & Gas Property | Aug 2025 |
| 227 | OLAUGHLIN | Palo Pinto County, TX | Oil & Gas Property | Apr 2026 |
| 228 | OLCOTT | Tarrant County, TX | Oil & Gas Property | Apr 2026 |
| 229 | OLCOTT D | Ward County, TX | Oil & Gas Property | Dec 2023 |
| 230 | OLCOTT H. W | Gray County, TX | Gas Property | Apr 2026 |
| 231 | OLCOTT NORTH A UNIT | Tarrant County, TX | Oil & Gas Property | Feb 2026 |
| 232 | OLD BLUE 25 | Upton County, TX | Oil & Gas Property | Apr 2026 |
| 233 | OLD BRASS & NEEDLE | Montague County, TX | Oil & Gas Property | Dec 2021 |
| 234 | OLD FASHIONED 96-11 | Martin County, TX | Oil & Gas Property | Apr 2026 |
| 235 | OLD HICKORY STATE | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 236 | OLD IRONSIDE 0405 | Pecos County, TX | Oil & Gas Property | Apr 2026 |
| 237 | OLD MONARCH STATE 12 | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 238 | OLD OCEAN UNIT | Brazoria County, TX | Oil & Gas Property | Apr 2026 |
| 239 | OLD OCEAN UNIT | Brazoria County, TX | Oil & Gas Property | Nov 1993 |
| 240 | OLD PARTNER | Loving County, TX | Oil & Gas Property | Apr 2026 |
| 241 | OLD PARTNER 54-1-30 | Loving County, TX | Oil & Gas Property | Apr 2026 |
| 242 | OLD RIVER RANCH DIM | Dimmit County, TX | Oil & Gas Property | Apr 2026 |
| 243 | OLD ROSEBUD 37 UNIT | Culberson County, TX | Oil & Gas Property | Apr 2026 |
| 244 | OLD SWITCHEROO 418 | Yoakum County, TX | Oil & Gas Property | Apr 2026 |
| 245 | OLD TOWN | Johnson County, TX | Gas Property | Apr 2026 |
| 246 | OLD WEATHERFORD | Tarrant County, TX | Oil & Gas Property | Apr 2026 |
| 247 | OLD YUCCA | Reeves County, TX | Oil & Gas Property | Oct 2024 |
| 248 | OLD ZAPATA DEEP G | Zapata County, TX | Oil & Gas Property | Apr 2026 |
| 249 | OLDAKER | Sherman County, TX | Gas Property | Sep 2025 |
| 250 | OLDEN-PAULL UNIT 1 | Brazos County, TX | Oil & Gas Property | Apr 2026 |
| 251 | OLDENBURG | Fayette County, TX | Oil & Gas Property | Apr 2026 |
| 252 | OLDHAM | Midland County, TX | Oil & Gas Property | Apr 2026 |
| 253 | OLDHAM | Archer County, TX | Oil & Gas Property | Apr 2026 |
| 254 | OLDHAM IDA MAE | Midland County, TX | Oil & Gas Property | Apr 2026 |
| 255 | OLDHAM TRUST | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 256 | OLDHAM-GRAHAM 35 | Midland County, TX | Oil & Gas Property | Apr 2026 |
| 257 | OLDJAMIE OIL | Atascosa County, TX | Oil & Gas Property | Mar 2026 |
| 258 | OLE GIESER UNIT | Tarrant County, TX | Oil & Gas Property | Apr 2026 |
| 259 | OLENICK | Wilson County, TX | Oil & Gas Property | Oct 2025 |
| 260 | OLEX US | Denton County, TX | Oil & Gas Property | Apr 2026 |
| 261 | OLEY UNIT | Lee County, TX | Oil & Gas Property | Apr 2026 |
| 262 | OLIFANT UNIVERSITY 25 18 | Ward County, TX | Oil & Gas Property | Apr 2026 |
| 263 | OLIFANT UNIVERSITY 38 18 | Ward County, TX | Oil & Gas Property | Apr 2026 |
| 264 | OLIN INDUSTRIES | Panola County, TX | Oil & Gas Property | Mar 2026 |
| 265 | OLINICK | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 266 | OLIPHANT | Montague County, TX | Oil & Gas Property | Apr 2026 |
| 267 | OLIVARES A | Starr County, TX | Oil & Gas Property | Apr 2026 |
| 268 | OLIVAREZ | Hidalgo County, TX | Oil & Gas Property | Apr 2026 |
| 269 | OLIVAREZ M.L. ETAL GAS UNIT | Hidalgo County, TX | Oil & Gas Property | Apr 2026 |
| 270 | OLIVE | Brazos County, TX | Oil & Gas Property | Mar 2026 |
| 271 | OLIVE BRANCH | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 272 | OLIVEIRA | McMullen County, TX | Oil & Gas Property | Apr 2026 |
| 273 | OLIVER | Tarrant County, TX | Oil & Gas Property | Apr 2026 |
| 274 | OLIVER | Taylor County, TX | Oil & Gas Property | Apr 2026 |
| 275 | OLIVER | Dewitt County, TX | Oil & Gas Property | Apr 2026 |
| 276 | OLIVER | Reagan County, TX | Oil & Gas Property | Apr 2026 |
| 277 | OLIVER 13-24 | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 278 | OLIVER 39 | Reagan County, TX | Oil & Gas Property | Apr 2026 |
| 279 | OLIVER D-HANSEN B SA | Dewitt County, TX | Oil & Gas Property | Apr 2026 |
| 280 | OLIVER J. R | Van Zandt County, TX | Oil & Gas Property | Apr 2026 |
| 281 | OLIVER SWENSON | Jones County, TX | Oil Property | Apr 2026 |
| 282 | OLIVER THOMAS UNIT | Nacogdoches County, TX | Gas Property | Apr 2026 |
| 283 | OLIVER UNIT | Marion County, TX | Oil & Gas Property | Apr 2026 |
| 284 | OLIVER UNIT | Shelby County, TX | Oil & Gas Property | Apr 2026 |
| 285 | OLIVER UNIT | Brazoria County, TX | Oil & Gas Property | Apr 2019 |
| 286 | OLIVIA | Johnson County, TX | Gas Property | Feb 2012 |
| 287 | OLIVIA UNIT | Hood County, TX | Oil & Gas Property | Apr 2026 |
| 288 | OLLE UNIT | La Salle County, TX | Oil & Gas Property | Apr 2026 |
| 289 | OLLIE CULWELL | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 290 | OLLIE LOWRY | La Salle County, TX | Oil & Gas Property | Apr 2026 |
| 291 | OLLIE SCOTT 336 | Lipscomb County, TX | Oil & Gas Property | Dec 2024 |
| 292 | OLMITOS | Webb County, TX | Oil & Gas Property | May 2025 |
| 293 | OLOUGHLIN | Hansford County, TX | Oil & Gas Property | Apr 2026 |
| 294 | OLOUGHLIN | Hansford County, TX | Oil & Gas Property | Apr 2026 |
| 295 | OLOUGHLIN | Hansford County, TX | Oil & Gas Property | Apr 2026 |
| 296 | OLSEN BROWN 2 | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 297 | OLSEN ET AL | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 298 | OLSON | Ward County, TX | Oil & Gas Property | Apr 2026 |
| 299 | OLSON | Crockett County, TX | Oil & Gas Property | Apr 2026 |
| 300 | OLSON | Bee County, TX | Oil & Gas Property | Nov 2016 |