| 4501 | LEWELLEN | Fayette County, PA | Gas Property | Dec 2023 |
| 4502 | LEWIS | Clarion County, PA | Oil & Gas Property | Dec 2024 |
| 4503 | LEWIS | Greene County, PA | Gas Property | Jan 2025 |
| 4504 | LEWIS B CUNNINGHAM | Jefferson County, PA | Gas Property | Dec 2024 |
| 4505 | LEWIS D 0 | Susquehanna County, PA | Gas Property | Jan 2025 |
| 4506 | LEWIS KUSS | Erie County, PA | Gas Property | Dec 2024 |
| 4507 | LEWIS-DOUGLAS | Indiana County, PA | Gas Property | Dec 2024 |
| 4508 | LEYO | Clearfield County, PA | Gas Property | Dec 2024 |
| 4509 | LF WATSON | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4510 | LIBERATO BEA | Beaver County, PA | Oil & Gas Property | Jan 2025 |
| 4511 | LICHANEC | Armstrong County, PA | Gas Property | Dec 2024 |
| 4512 | LICK RUN | Tioga County, PA | Gas Property | Jan 2025 |
| 4513 | LIEBEL | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4514 | LIGHTCAP | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4515 | LIGHTCAP N | Bradford County, PA | Gas Property | Jan 2025 |
| 4516 | LIGHTNER | Armstrong County, PA | Gas Property | Dec 2024 |
| 4517 | LIGHTNER EAST UNIT 1H | Blair County, PA | Gas Property | Dec 2024 |
| 4518 | LIGHTNER UNIT 1H | Blair County, PA | Gas Property | Dec 2024 |
| 4519 | LILLIAN NEAL | Armstrong County, PA | Gas Property | Dec 2024 |
| 4520 | LILLIE | Bradford County, PA | Gas Property | Feb 2024 |
| 4521 | LILLSTROM | Armstrong County, PA | Gas Property | Dec 2024 |
| 4522 | LILLY | Greene County, PA | Oil & Gas Property | Jan 2025 |
| 4523 | LIMESTONE RUN | Armstrong County, PA | Gas Property | Jan 2025 |
| 4524 | LINCOLN | Indiana County, PA | Gas Property | Dec 2024 |
| 4525 | LINCOLN WAREHOUSES INC 00 | Butler County, PA | Gas Property | Dec 2022 |
| 4526 | LIND | Clearfield County, PA | Gas Property | Dec 2024 |
| 4527 | LINDA MCDIVITT TURIN | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4528 | LINDA WALKER | Jefferson County, PA | Oil & Gas Property | Dec 2024 |
| 4529 | LINDELL | Warren County, PA | Gas Property | Dec 2024 |
| 4530 | LINDELL | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4531 | LINDEN HALL | Fayette County, PA | Gas Property | Dec 2023 |
| 4532 | LINDLEY | Washington County, PA | Oil & Gas Property | Dec 2024 |
| 4533 | LINDLEY JOHN UNIT | Washington County, PA | Gas Property | Jan 2025 |
| 4534 | LINDSAY COAL MINING CO D | Jefferson County, PA | Gas Property | Dec 2024 |
| 4535 | LINDSEY | Warren County, PA | Oil & Gas Property | Dec 2020 |
| 4536 | LINDSEY COAL | Jefferson County, PA | Oil & Gas Property | Dec 2024 |
| 4537 | LINDSEY COAL | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4538 | LINDSEY COAL | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4539 | LINDSEY COAL MINING COMPANY 1 | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 4540 | LINES | Bradford County, PA | Gas Property | Jan 2025 |
| 4541 | LINGLE 1102 | Tioga County, PA | Gas Property | Jan 2025 |
| 4542 | LINSKI | Bradford County, PA | Gas Property | Jan 2025 |
| 4543 | LINVILLE WILSON 12692 | Washington County, PA | Gas Property | Jan 2025 |
| 4544 | LIONETTI | Bradford County, PA | Gas Property | Jan 2025 |
| 4545 | LIPPERT | Crawford County, PA | Oil & Gas Property | Jan 2025 |
| 4546 | LIPPINCOTT F 00 | Susquehanna County, PA | Gas Property | Jan 2025 |
| 4547 | LIPTAK | Fayette County, PA | Gas Property | Dec 2024 |
| 4548 | LISTON | Fayette County, PA | Gas Property | Dec 2024 |
| 4549 | LITKE | Centre County, PA | Gas Property | Dec 2024 |
| 4550 | LITKE | Centre County, PA | Gas Property | Jan 2025 |
| 4551 | LITKE UNIT | Centre County, PA | Gas Property | Jan 2025 |
| 4552 | LITTLE | Indiana County, PA | Gas Property | Dec 2024 |
| 4553 | LITTLE BOYD PROPERTIES | McKean County, PA | Oil Property | Dec 2021 |
| 4554 | LITTLE CLARA UNIT | Washington County, PA | Gas Property | Jan 2025 |
| 4555 | LITTLE FAWN | Lycoming County, PA | Gas Property | Jan 2025 |
| 4556 | LITTLE LEO CORP 1 | Jefferson County, PA | Oil & Gas Property | Dec 2024 |
| 4557 | LITTLE MAHONING BIBLE | Indiana County, PA | Gas Property | Dec 2024 |
| 4558 | LITTLE RHL27 | Greene County, PA | Gas Property | Jan 2025 |
| 4559 | LITTLEFIELD 13 | Forest County, PA | Oil & Gas Property | Dec 2024 |
| 4560 | LIVEZEY | Warren County, PA | Oil & Gas Property | Dec 2019 |
| 4561 | LIZZIE M HYDE 50 | Elk County, PA | Oil & Gas Property | Dec 2024 |
| 4562 | LKM BRA | Bradford County, PA | Gas Property | Jan 2025 |
| 4563 | LLOYD MYERS | Armstrong County, PA | Gas Property | Dec 2012 |
| 4564 | LLOYD R | Crawford County, PA | Gas Property | Dec 2024 |
| 4565 | LLOYD R MILLER | Clarion County, PA | Gas Property | Dec 2024 |
| 4566 | LLOYD SCHWAB | Erie County, PA | Gas Property | Dec 2002 |
| 4567 | LOBDELL | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4568 | LOBDELL | Crawford County, PA | Gas Property | Dec 2024 |
| 4569 | LOBINS | Crawford County, PA | Oil & Gas Property | Dec 2024 |
| 4570 | LOCH UNIT | Wyoming County, PA | Gas Property | Jan 2025 |
| 4571 | LOCHMILLER | Greene County, PA | Oil & Gas Property | Dec 2024 |
| 4572 | LOCKWOOD | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4573 | LOCKWOOD | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4574 | LOFFREDO J | Wyoming County, PA | Gas Property | Jan 2025 |
| 4575 | LOGAN BOND | Clearfield County, PA | Gas Property | Dec 2024 |
| 4576 | LOGAN D BRANTHOOVER | Westmoreland County, PA | Gas Property | Dec 2024 |
| 4577 | LOGAN L BOND N | Clearfield County, PA | Gas Property | Dec 2001 |
| 4578 | LOGOYDA | Fayette County, PA | Gas Property | Dec 2024 |
| 4579 | LOHR | Washington County, PA | Gas Property | Jan 2025 |
| 4580 | LOIS D LINDLEY | Washington County, PA | Oil & Gas Property | Dec 2024 |
| 4581 | LOIS MILLER | Clarion County, PA | Gas Property | Dec 2024 |
| 4582 | LOIS WYANT | Clarion County, PA | Gas Property | Dec 2024 |
| 4583 | LOKE | Susquehanna County, PA | Gas Property | Jan 2025 |
| 4584 | LOMISON INC BRA | Bradford County, PA | Gas Property | Jan 2025 |
| 4585 | LONE WALNUT HUNTING CLUB | Lycoming County, PA | Gas Property | Jan 2025 |
| 4586 | LONG | Venango County, PA | Oil Property | Dec 2008 |
| 4587 | LONG | Westmoreland County, PA | Oil & Gas Property | Dec 2024 |
| 4588 | LONG | Armstrong County, PA | Gas Property | Dec 2024 |
| 4589 | LONG HOLLOW | Potter County, PA | Oil & Gas Property | Dec 2023 |
| 4590 | LONGACRE | Susquehanna County, PA | Gas Property | Jan 2025 |
| 4591 | LONGENECKER 03 008 0 | Bradford County, PA | Gas Property | Jan 2025 |
| 4592 | LONGHORN A 59 | Elk County, PA | Gas Property | Jan 2024 |
| 4593 | LONGHORN C 1 59084 | Elk County, PA | Gas Property | Jan 2025 |
| 4594 | LOOKER | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4595 | LOOMIS | Susquehanna County, PA | Gas Property | Jan 2025 |
| 4596 | LOOMIS B LEASE LOOMIS | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 4597 | LOOMIS LEASE LOOMIS | Warren County, PA | Oil & Gas Property | Dec 2022 |
| 4598 | LOPATOFSKY | Wyoming County, PA | Gas Property | Jan 2025 |
| 4599 | LOPATOFSKY | Tioga County, PA | Gas Property | Jan 2025 |
| 4600 | LOPATOFSKY J | Susquehanna County, PA | Gas Property | Jan 2025 |