| 401 | JUNKYARD | Tarrant County, TX | Gas Property | Nov 2025 |
| 402 | JW ARLINGTON | Tarrant County, TX | Gas Property | Nov 2025 |
| 403 | KARMALI | Tarrant County, TX | Gas Property | Jul 2023 |
| 404 | KATES CFW UNIT 1H | Tarrant County, TX | Gas Property | Nov 2025 |
| 405 | KEEP A STEPPIN | Tarrant County, TX | Gas Property | Nov 2025 |
| 406 | KENNEDY UNIT | Tarrant County, TX | Gas Property | Nov 2025 |
| 407 | KIMBALL HILL | Tarrant County, TX | Gas Property | Nov 2025 |
| 408 | KISD | Tarrant County, TX | Gas Property | Nov 2025 |
| 409 | KLUGE UNIT | Tarrant County, TX | Gas Property | Aug 2020 |
| 410 | KNAPP B UNIT | Tarrant County, TX | Gas Property | Nov 2025 |
| 411 | KNAPP C UNIT | Tarrant County, TX | Oil & Gas Property | Feb 2018 |
| 412 | KNAPP D UNIT | Tarrant County, TX | Gas Property | Feb 2016 |
| 413 | KNAPP E UNIT | Tarrant County, TX | Gas Property | Aug 2023 |
| 414 | KNAPP SISTERS | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 415 | KNAPP UNIT 1H | Tarrant County, TX | Gas Property | Nov 2025 |
| 416 | KYLE | Tarrant County, TX | Gas Property | Nov 2025 |
| 417 | L & S LAND M. SAMSON UNIT C3H | Tarrant County, TX | Gas Property | Nov 2025 |
| 418 | L&S LAND | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 419 | L.B.J.-BLAKLEY | Tarrant County, TX | Gas Property | Nov 2025 |
| 420 | LABC NORTH | Tarrant County, TX | Oil & Gas Property | Aug 2025 |
| 421 | LABC SOUTH | Tarrant County, TX | Oil & Gas Property | Jul 2025 |
| 422 | LAGUNA POINT | Tarrant County, TX | Gas Property | Nov 2025 |
| 423 | LAIDLAW | Tarrant County, TX | Gas Property | Nov 2025 |
| 424 | LAKE PLACE | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 425 | LAKE WORTH A TRT | Tarrant County, TX | Gas Property | Nov 2025 |
| 426 | LAKESIDE | Tarrant County, TX | Gas Property | Nov 2025 |
| 427 | LANCASTER | Tarrant County, TX | Gas Property | Nov 2025 |
| 428 | LANCASTER-CANUCKS MIPA 5H | Tarrant County, TX | Gas Property | Nov 2025 |
| 429 | LANDING | Tarrant County, TX | Gas Property | Nov 2025 |
| 430 | LANE 1H | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 431 | LANGLEY | Tarrant County, TX | Gas Property | Jan 2004 |
| 432 | LANGLEY REVELSTOKE 2 | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 433 | LAPRELL | Tarrant County, TX | Gas Property | Nov 2025 |
| 434 | LAPRELLE | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 435 | LAPRELLE - PORTER - DAY (SA) 1 | Tarrant County, TX | Gas Property | Nov 2025 |
| 436 | LARGENT | Tarrant County, TX | Gas Property | Jul 2022 |
| 437 | LARRY LEGEND UNIT 2H | Tarrant County, TX | Gas Property | Nov 2025 |
| 438 | LASATER J. W. GAS UNIT | Tarrant County, TX | Gas Property | Nov 2025 |
| 439 | LATHAM TRWD | Tarrant County, TX | Gas Property | Apr 2018 |
| 440 | LAWHON SOUTH UNIT | Tarrant County, TX | Gas Property | Jun 2025 |
| 441 | LEAF | Tarrant County, TX | Gas Property | Nov 2025 |
| 442 | LEDBETTER UNIT | Tarrant County, TX | Gas Property | Mar 2023 |
| 443 | LEGEND LARRY UNIT 1H | Tarrant County, TX | Gas Property | Nov 2025 |
| 444 | LEGGETT & PLATT | Tarrant County, TX | Gas Property | Nov 2025 |
| 445 | LENA | Tarrant County, TX | Gas Property | Nov 2025 |
| 446 | LENA-ELLA 2H | Tarrant County, TX | Gas Property | Nov 2025 |
| 447 | LENOX | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 448 | LESTER LEVY UNIT | Tarrant County, TX | Gas Property | Nov 2025 |
| 449 | LESTER LUCILLE GU 2 | Tarrant County, TX | Gas Property | Nov 2025 |
| 450 | LEVY ACRES UNIT | Tarrant County, TX | Gas Property | Nov 2025 |
| 451 | LEVY LESTER UNIT | Tarrant County, TX | Gas Property | Nov 2025 |
| 452 | LEWIS | Tarrant County, TX | Gas Property | Nov 2025 |
| 453 | LEWISVILLE 7 UNIT 1H | Tarrant County, TX | Gas Property | Nov 2025 |
| 454 | LIBERTY SCHOOL UNIT | Tarrant County, TX | Gas Property | Nov 2025 |
| 455 | LILLY | Tarrant County, TX | Gas Property | Jan 2025 |
| 456 | LINDA VISTA UNIT 5H | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 457 | LINKS | Tarrant County, TX | Gas Property | Nov 2025 |
| 458 | LITOGRAFIA | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 459 | LITTLE | Tarrant County, TX | Gas Property | Nov 2025 |
| 460 | LITTLE BEAR | Tarrant County, TX | Gas Property | Nov 2025 |
| 461 | LITTLE-PVI MIPA 5H | Tarrant County, TX | Gas Property | Nov 2025 |
| 462 | LMRA MONT DEL B UNIT | Tarrant County, TX | Gas Property | Nov 2025 |
| 463 | LMRA WEST UNIT | Tarrant County, TX | Gas Property | Nov 2025 |
| 464 | LONESTAR UNIT | Tarrant County, TX | Gas Property | Nov 2025 |
| 465 | LOOP | Tarrant County, TX | Oil & Gas Property | Oct 2025 |
| 466 | LORIKEET TRT | Tarrant County, TX | Gas Property | Nov 2025 |
| 467 | LOTTIE BARTON JOHNSON GU | Tarrant County, TX | Gas Property | Nov 2025 |
| 468 | LOUIS | Tarrant County, TX | Gas Property | Feb 2020 |
| 469 | LOWERY UNIT | Tarrant County, TX | Gas Property | Nov 2025 |
| 470 | LUCK | Tarrant County, TX | Gas Property | Nov 2025 |
| 471 | LUMBERMEN | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 472 | LYNCH | Tarrant County, TX | Gas Property | Nov 2025 |
| 473 | LYNN UNIT | Tarrant County, TX | Oil & Gas Property | Aug 2009 |
| 474 | MADDOX | Tarrant County, TX | Gas Property | Nov 2025 |
| 475 | MADDOX-BADGER | Tarrant County, TX | Gas Property | Nov 2025 |
| 476 | MAHAFFEY UNIT | Tarrant County, TX | Gas Property | Apr 2025 |
| 477 | MAHVASH UNIT | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 478 | MALLICK UNIT | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 479 | MANNING TRWD | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 480 | MANSFIELD | Tarrant County, TX | Gas Property | Nov 2025 |
| 481 | MANSFIELD PARTNERS | Tarrant County, TX | Gas Property | Nov 2025 |
| 482 | MANSFIELD SPORTS COMPLEX UNIT | Tarrant County, TX | Gas Property | Nov 2025 |
| 483 | MAPLE TREE | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 484 | MAPLE TREE SOUTH UNIT | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 485 | MARINE CREEK | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 486 | MARINE CREEK OF TEXAS | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 487 | MARTIN | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 488 | MARTIN-FOREST HILLS | Tarrant County, TX | Gas Property | Nov 2025 |
| 489 | MASTODON | Tarrant County, TX | Gas Property | Nov 2025 |
| 490 | MATHIS COAL CAR | Tarrant County, TX | Gas Property | Nov 2025 |
| 491 | MATLOCK | Tarrant County, TX | Gas Property | Nov 2025 |
| 492 | MAVERICK 1H | Tarrant County, TX | Gas Property | Nov 2025 |
| 493 | MAYFLOWER | Tarrant County, TX | Gas Property | Nov 2025 |
| 494 | MB A UNIT | Tarrant County, TX | Gas Property | Nov 2025 |
| 495 | MB B UNIT | Tarrant County, TX | Gas Property | Nov 2025 |
| 496 | MCCULLAR | Tarrant County, TX | Gas Property | Nov 2025 |
| 497 | MCCULLAR RUDDER BOXER MIPA 2H | Tarrant County, TX | Gas Property | Nov 2025 |
| 498 | MCCULLEY | Tarrant County, TX | Gas Property | Jun 2025 |
| 499 | MCDANIEL | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 500 | MCDAVID 1 | Tarrant County, TX | Oil & Gas Property | Nov 2025 |