| 501 | PAGE STREET | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 502 | PALOS VERDES | Tarrant County, TX | Gas Property | Jan 2026 |
| 503 | PANAGOPOULOS UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 504 | PANTEGO | Tarrant County, TX | Gas Property | Jan 2026 |
| 505 | PANTHER HEIGHTS | Tarrant County, TX | Gas Property | Jan 2026 |
| 506 | PAPPAJOHN | Tarrant County, TX | Gas Property | Jan 2026 |
| 507 | PAR 2H | Tarrant County, TX | Gas Property | Jan 2026 |
| 508 | PARROT | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 509 | PARROT RIVERBEND UNIT E | Tarrant County, TX | Gas Property | Jan 2026 |
| 510 | PEARCE | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 511 | PEARL FEDERAL | Tarrant County, TX | Oil & Gas Property | Dec 2025 |
| 512 | PEARL RANCH | Tarrant County, TX | Oil & Gas Property | Dec 2025 |
| 513 | PEARSON | Tarrant County, TX | Gas Property | Jun 2025 |
| 514 | PEDEN UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 515 | PELICAN BAY | Tarrant County, TX | Gas Property | Jan 2026 |
| 516 | PENSKE | Tarrant County, TX | Gas Property | Jul 2019 |
| 517 | PERR A UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 518 | PERR B UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 519 | PERRYMAN | Tarrant County, TX | Gas Property | Jan 2026 |
| 520 | PETRIE UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 521 | PETRUS | Tarrant County, TX | Gas Property | Jan 2026 |
| 522 | PHASE III - MCKINNEY (SA) | Tarrant County, TX | Gas Property | Jan 2026 |
| 523 | PHASE III INVESTMENTS | Tarrant County, TX | Gas Property | Jan 2026 |
| 524 | PHASE III-TADLOCK (SA) 1 | Tarrant County, TX | Gas Property | Jan 2026 |
| 525 | PHOENIX | Tarrant County, TX | Gas Property | Jan 2026 |
| 526 | PIGG UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 527 | PLANET EARTH MIPA 3H | Tarrant County, TX | Gas Property | Jan 2026 |
| 528 | PLANET MARS MIPA 1H | Tarrant County, TX | Gas Property | Jan 2026 |
| 529 | PLANET TRT | Tarrant County, TX | Gas Property | Jan 2026 |
| 530 | PLANET ZERO MIPA 4H | Tarrant County, TX | Gas Property | Jan 2026 |
| 531 | PLEASANT RIDGE | Tarrant County, TX | Gas Property | Jan 2026 |
| 532 | POLK SALLY ANNA UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 533 | POLY | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 534 | POLYHAWK MIPA 7H | Tarrant County, TX | Gas Property | Jan 2026 |
| 535 | PORTER ET AL | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 536 | POTTER-PURCELL | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 537 | POWELL-COZART UN | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 538 | PRICE | Tarrant County, TX | Gas Property | Nov 2025 |
| 539 | PRIME RAIL UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 540 | PRINCETON 1H | Tarrant County, TX | Gas Property | Jan 2026 |
| 541 | PROFESSOR UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 542 | PUMPKIN | Tarrant County, TX | Gas Property | Sep 2017 |
| 543 | PURSELLEY UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 544 | PVI UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 545 | PYRAMID ACRES UNIT | Tarrant County, TX | Oil & Gas Property | Dec 2025 |
| 546 | QUANT | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 547 | QUARRY | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 548 | R-SO 1H | Tarrant County, TX | Gas Property | Jan 2026 |
| 549 | RAFAEL UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 550 | RAILHEAD | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 551 | RALL RANCH | Tarrant County, TX | Gas Property | Jan 2026 |
| 552 | RAMBO | Tarrant County, TX | Gas Property | Jan 2026 |
| 553 | RAWDON GREGORY | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 554 | REED MITCHELL UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 555 | REGAN ARLINGTON A UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 556 | REGENCY | Tarrant County, TX | Gas Property | Nov 2016 |
| 557 | REMINGTON STATION UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 558 | RENFRO | Tarrant County, TX | Gas Property | Jan 2026 |
| 559 | RENZO | Tarrant County, TX | Gas Property | Jan 2026 |
| 560 | REVEILLE | Tarrant County, TX | Gas Property | Feb 2016 |
| 561 | RICE LOH | Tarrant County, TX | Gas Property | Jan 2026 |
| 562 | RICHARDSON | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 563 | RICHARDSON VIRGINIA UNIT | Tarrant County, TX | Oil & Gas Property | Dec 2025 |
| 564 | RICHLAND HILLS | Tarrant County, TX | Gas Property | Jan 2026 |
| 565 | RIDGLEA | Tarrant County, TX | Gas Property | Jan 2026 |
| 566 | RIDGLEA TRIANGLE | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 567 | RIDGMAR | Tarrant County, TX | Gas Property | Jan 2026 |
| 568 | RITCHIE | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 569 | RIVER OAKS 1H | Tarrant County, TX | Gas Property | Jan 2026 |
| 570 | RIVERCREST | Tarrant County, TX | Gas Property | Jan 2026 |
| 571 | RLB 3H | Tarrant County, TX | Gas Property | Jan 2026 |
| 572 | ROBINSON BARNEY | Tarrant County, TX | Gas Property | Jan 2026 |
| 573 | ROCHIN UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 574 | ROCK CREEK | Tarrant County, TX | Gas Property | Jan 2026 |
| 575 | ROCKERFELLOW UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 576 | ROCKING HORSE | Tarrant County, TX | Gas Property | Jan 2026 |
| 577 | ROCKING HORSE WEST WING MIPA | Tarrant County, TX | Gas Property | Jan 2026 |
| 578 | ROCKY CREEK RANCH | Tarrant County, TX | Oil & Gas Property | Dec 2025 |
| 579 | RODEO GUSHER | Tarrant County, TX | Oil & Gas Property | Dec 2025 |
| 580 | ROGERS | Tarrant County, TX | Gas Property | Jan 2026 |
| 581 | ROLLING HILLS | Tarrant County, TX | Gas Property | Jan 2026 |
| 582 | ROSE A UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 583 | ROSE B UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 584 | ROSE B-ROSE C UNIT SA 1H | Tarrant County, TX | Gas Property | Jan 2026 |
| 585 | ROSE C UNIT 1H | Tarrant County, TX | Gas Property | Jan 2026 |
| 586 | ROSEDALE | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 587 | ROSEDALE NORTH MIPA | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 588 | ROSEDALE S | Tarrant County, TX | Gas Property | Jan 2026 |
| 589 | ROSEN | Tarrant County, TX | Gas Property | Jun 2011 |
| 590 | ROWAN B UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 591 | RPV HAWK B MIPA | Tarrant County, TX | Gas Property | Jan 2026 |
| 592 | RPV HILLS B MIPA 1H | Tarrant County, TX | Gas Property | Jan 2026 |
| 593 | RUDDER 3H | Tarrant County, TX | Gas Property | Jan 2026 |
| 594 | RUSTIC MEADOWS UNIT | Tarrant County, TX | Gas Property | Dec 2025 |
| 595 | RYFFEL | Tarrant County, TX | Gas Property | Jan 2026 |
| 596 | SABRE | Tarrant County, TX | Gas Property | Jan 2026 |
| 597 | SALUSKY UNIT A | Tarrant County, TX | Gas Property | Jan 2026 |
| 598 | SALVATION | Tarrant County, TX | Gas Property | Jan 2026 |
| 599 | SAMMONS RICHARDSON UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 600 | SAMPSON JACK | Tarrant County, TX | Oil & Gas Property | Dec 2025 |