| 301 | NWR WEST | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 302 | OCELOT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 303 | OCELOT ALLOCATION | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 304 | OCONNELL A | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 305 | OLDJAMIE OIL | Atascosa County, TX | Oil & Gas Property | May 2026 |
| 306 | ORANGE UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 307 | ORION | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 308 | ORYX | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 309 | OSTRICH UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 310 | OTTO MAX | Atascosa County, TX | Oil & Gas Property | Oct 2015 |
| 311 | PACHECO UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 312 | PAISANO UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 313 | PALOMINO | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 314 | PANCHO EAST UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 315 | PANCHO WEST UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 316 | PAPA UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 317 | PAT UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 318 | PAWLIK-RODRIGUEZ UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 319 | PC WEST UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 320 | PEACH UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 321 | PEAR UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 322 | PEARCE | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 323 | PEARLSTONE CLAIRE | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 324 | PEELER | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 325 | PEELER | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 326 | PEELER NE UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 327 | PEELER RANCH | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 328 | PEELER SMEC A UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 329 | PENNINGTON UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 330 | PFLUGER | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 331 | PHEASANT UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 332 | PICKENS | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 333 | PINEAPPLE UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 334 | PIPES UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 335 | POINT BREAK UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 336 | POST OAK | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 337 | POTH | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 338 | POUND W. E | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 339 | PRASSEL UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 340 | PRUITT | Atascosa County, TX | Oil & Gas Property | May 2026 |
| 341 | PULSAR | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 342 | PUMPKIN UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 343 | QUAIL | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 344 | R MAY A-MAY GIRLS CHAPMAN SA2 | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 345 | R MAY A-SCHROEDER CHAPMAN SA1 | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 346 | R. MAY | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 347 | R. MAY B-GUAJILLO UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 348 | R. MTZ UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 349 | RACCOON CREEK | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 350 | RAFT A UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 351 | RAFT B UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 352 | RAINDROP | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 353 | RAYES CAMARO | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 354 | RAYES POENISCH A1 | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 355 | RAZORBACK | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 356 | RED STAG UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 357 | REEH ADOLPH | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 358 | RETZLOFF MAY-MAUCH KRUEGER SA | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 359 | RETZLOFF-MAY | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 360 | RETZLOFF-TOM | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 361 | RICHTER KAT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 362 | RILEY | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 363 | RILEY MARY ELLA SHAW -A | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 364 | RLT UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 365 | RNG UNIT WELL | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 366 | ROAD HOUSE ALLOCATION | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 367 | ROAN | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 368 | ROBINSON, J. A | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 369 | ROCKIN M | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 370 | ROGERS THEO | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 371 | ROSEMARIE UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 372 | RUPLE FARMS | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 373 | S & H TRUST | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 374 | S HERBST UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 375 | SABRE CLIP UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 376 | SALDANA R | Atascosa County, TX | Oil Property | May 2026 |
| 377 | SAM HOUSTON | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 378 | SAMUEL UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 379 | SAN MARCOS UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 380 | SAN MIGUEL | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 381 | SCHESKE | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 382 | SCHORSCH | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 383 | SCHROEDER | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 384 | SCHROEDER-CHAPMAN UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 385 | SCHUMAN ET AL GAS UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 386 | SCHUMANN | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 387 | SCWJ ALLOCATION | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 388 | SEIDEL | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 389 | SEIFFERT UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 390 | SHARPTAIL | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 391 | SHAW | Atascosa County, TX | Oil & Gas Property | Jun 2025 |
| 392 | SHAW ROBERT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 393 | SHEARRER | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 394 | SHUT EYE UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 395 | SIBLEY UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 396 | SIEGELE | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 397 | SIKA UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 398 | SIMMONS SUBDIVISION | Atascosa County, TX | Oil & Gas Property | Jun 2025 |
| 399 | SKEETER UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 400 | SKYE UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |