| 6501 | ROGER H CLAYPOOLE ETUX | Armstrong County, PA | Gas Property | Jan 2025 |
| 6502 | ROGER JOHNSTON | Jefferson County, PA | Gas Property | Dec 2024 |
| 6503 | ROGER PARRY | Greene County, PA | Gas Property | Jan 2025 |
| 6504 | ROGERS 05 235 0 | Bradford County, PA | Gas Property | Jan 2025 |
| 6505 | ROGERS UNIT | Susquehanna County, PA | Gas Property | Jan 2025 |
| 6506 | ROHANNA | Greene County, PA | Gas Property | Jan 2025 |
| 6507 | ROLAND | Bradford County, PA | Gas Property | Jan 2025 |
| 6508 | ROLAND C BLAKESLEE | Crawford County, PA | Gas Property | Dec 2024 |
| 6509 | ROLAND G TIRACORDA | Clearfield County, PA | Gas Property | Dec 2024 |
| 6510 | ROLLING ACRES | Beaver County, PA | Gas Property | Jan 2025 |
| 6511 | ROLLING HILLS | Armstrong County, PA | Gas Property | Jan 2025 |
| 6512 | ROLLINSON | Mercer County, PA | Oil & Gas Property | Dec 2024 |
| 6513 | ROMAN | Susquehanna County, PA | Gas Property | Jan 2025 |
| 6514 | ROMANETTI UNIT | Washington County, PA | Oil & Gas Property | Jun 2012 |
| 6515 | ROMEIKA J | Susquehanna County, PA | Gas Property | Jan 2025 |
| 6516 | ROMEO-WT 4911 26 | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 6517 | ROMISOUKAS UNIT 1H | Bradford County, PA | Gas Property | Jan 2025 |
| 6518 | RONALD | Erie County, PA | Oil & Gas Property | Dec 2024 |
| 6519 | RONALD | Westmoreland County, PA | Gas Property | Dec 2024 |
| 6520 | RONALD CHERNISKY | Indiana County, PA | Gas Property | Dec 2024 |
| 6521 | RONALD HEMMINGER | Westmoreland County, PA | Gas Property | Dec 2024 |
| 6522 | RONALD J GAFNER G | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 6523 | RONALD MEABON | Erie County, PA | Gas Property | Dec 2024 |
| 6524 | RONALD R BUTERBAUGH | Clearfield County, PA | Gas Property | Dec 2024 |
| 6525 | RONALD RUMMEL ETAL | Indiana County, PA | Gas Property | Dec 2024 |
| 6526 | RONALD SAMUEL | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 6527 | RONALD T KUNSELMAN | Clarion County, PA | Oil & Gas Property | Dec 2024 |
| 6528 | RONMARY | Sullivan County, PA | Gas Property | Jan 2025 |
| 6529 | ROOT | Tioga County, PA | Gas Property | Jan 2025 |
| 6530 | RORABAUGH | Clearfield County, PA | Gas Property | Dec 2024 |
| 6531 | RORABAUGH | Clearfield County, PA | Gas Property | Dec 2024 |
| 6532 | ROSA | Fayette County, PA | Oil & Gas Property | Dec 2024 |
| 6533 | ROSA UNIT | Fayette County, PA | Gas Property | Jan 2025 |
| 6534 | ROSALIE | Wyoming County, PA | Gas Property | Jan 2025 |
| 6535 | ROSE | Bradford County, PA | Gas Property | Jan 2025 |
| 6536 | ROSE RUGH | Indiana County, PA | Gas Property | Dec 2024 |
| 6537 | ROSE VALLEY 56H 51728 | Lycoming County, PA | Gas Property | Jan 2025 |
| 6538 | ROSE VALLEY GAMBLE | Lycoming County, PA | Gas Property | Jan 2025 |
| 6539 | ROSIEMAR | Susquehanna County, PA | Gas Property | Jan 2025 |
| 6540 | ROSS | Armstrong County, PA | Gas Property | Dec 2024 |
| 6541 | ROSS ROBERTS | Bradford County, PA | Gas Property | Jan 2025 |
| 6542 | ROSS RUN RANCH RRR | Forest County, PA | Oil & Gas Property | Dec 2014 |
| 6543 | ROSS SEANOR | Westmoreland County, PA | Oil & Gas Property | Dec 2024 |
| 6544 | ROSSI BRA | Bradford County, PA | Gas Property | Jan 2025 |
| 6545 | ROSTOSKY 59 | Allegheny County, PA | Gas Property | Jan 2025 |
| 6546 | ROSUL UNIT | Fayette County, PA | Gas Property | Jan 2025 |
| 6547 | ROSWELL MILLER | Westmoreland County, PA | Gas Property | Dec 2024 |
| 6548 | ROTH | Westmoreland County, PA | Gas Property | Dec 2024 |
| 6549 | ROUGH HOLLOW 593 | Greene County, PA | Gas Property | Jan 2025 |
| 6550 | ROUGH RUN MFG CO 1118 | Butler County, PA | Gas Property | Dec 2024 |
| 6551 | ROUND TOP ENTERPRISES | Jefferson County, PA | Gas Property | Dec 2024 |
| 6552 | ROUNDTOP | Sullivan County, PA | Gas Property | Sep 2021 |
| 6553 | ROUNDWOOD | Wyoming County, PA | Gas Property | Jan 2025 |
| 6554 | ROUPP UNIT | Lycoming County, PA | Gas Property | Jan 2025 |
| 6555 | ROUSE | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 6556 | ROWE | Bradford County, PA | Gas Property | Jan 2025 |
| 6557 | ROWLAND CAROL 10067 | Washington County, PA | Gas Property | Jan 2025 |
| 6558 | ROY & ARCHER | Elk County, PA | Oil & Gas Property | Dec 2019 |
| 6559 | ROY 03 0 | Bradford County, PA | Gas Property | Jan 2025 |
| 6560 | ROY 6 | Potter County, PA | Gas Property | Dec 2024 |
| 6561 | ROY A ORR | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 6562 | ROY D LEAMER 1 | Cambria County, PA | Oil & Gas Property | Dec 2024 |
| 6563 | ROY H LUTZ | Clearfield County, PA | Gas Property | Dec 2024 |
| 6564 | ROY MUSGRAVE | Beaver County, PA | Oil & Gas Property | Dec 2023 |
| 6565 | ROY N CLAWSON FMLY HOMER BOWMAN ET U | Indiana County, PA | Gas Property | Dec 2024 |
| 6566 | ROY RAMALE | Indiana County, PA | Gas Property | Dec 2024 |
| 6567 | ROYAL HUEY 59056 | Clarion County, PA | Gas Property | Jan 2025 |
| 6568 | ROYAL OIL | Indiana County, PA | Gas Property | Dec 2024 |
| 6569 | ROYAL OIL & GAS | Indiana County, PA | Gas Property | Dec 2024 |
| 6570 | ROYAL OIL & GAS 590 | Indiana County, PA | Gas Property | Jan 2025 |
| 6571 | ROYAL OIL & GAS CORP | Clearfield County, PA | Gas Property | Dec 2023 |
| 6572 | ROYAL OL & GAS CORP | Clearfield County, PA | Gas Property | Dec 2023 |
| 6573 | ROYSTONE | Warren County, PA | Oil & Gas Property | Dec 2010 |
| 6574 | ROZAK | Fayette County, PA | Gas Property | Dec 2024 |
| 6575 | RR ADAMS | Jefferson County, PA | Gas Property | Dec 2024 |
| 6576 | RUARK EAST RUARK EAST 1 1H | Wyoming County, PA | Gas Property | Jan 2025 |
| 6577 | RUARK EAST UNIT RUARK 11H | Wyoming County, PA | Gas Property | Jan 2025 |
| 6578 | RUARK SOUTH UNIT RUARK EAST 1 RUARK SOUTH 2H | Wyoming County, PA | Gas Property | Jan 2025 |
| 6579 | RUARK UNIT P&G 5 RUARK 4H | Wyoming County, PA | Gas Property | Jan 2025 |
| 6580 | RUARK-JOHNSTON-REIMILLER UNIT P&G2 22H | Wyoming County, PA | Gas Property | Jan 2025 |
| 6581 | RUCCIO | Westmoreland County, PA | Oil & Gas Property | Dec 2024 |
| 6582 | RUDOLPH | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 6583 | RUDOLPH H GASTON | Indiana County, PA | Gas Property | Dec 2023 |
| 6584 | RUDOLPH L KUHNER | Indiana County, PA | Gas Property | Dec 2024 |
| 6585 | RUDY | Washington County, PA | Gas Property | Dec 2024 |
| 6586 | RUELBA L STEEL | Indiana County, PA | Gas Property | Dec 2024 |
| 6587 | RUFF 0 | Westmoreland County, PA | Gas Property | Dec 2024 |
| 6588 | RUGGERI 00 | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 6589 | RUHLMAN | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 6590 | RUHLMAN | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 6591 | RUHLMAN | Forest County, PA | Oil & Gas Property | Dec 2024 |
| 6592 | RUHLMAN LEASE R | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 6593 | RUHLMAN LOT 452 2 | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 6594 | RUKAVINA UNIT | Washington County, PA | Gas Property | Jan 2025 |
| 6595 | RUMPELSTILTSKIN | Washington County, PA | Gas Property | Jan 2025 |
| 6596 | RUNABUCK UNIT | Sullivan County, PA | Gas Property | Jan 2025 |
| 6597 | RUOT | Venango County, PA | Oil Property | Dec 2024 |
| 6598 | RUPERT | Armstrong County, PA | Gas Property | Dec 2024 |
| 6599 | RUPERT | Clearfield County, PA | Gas Property | Dec 2024 |
| 6600 | RUPERT | Armstrong County, PA | Gas Property | Dec 2023 |