| 6501 | ROUND TOP ENTERPRISES | Jefferson County, PA | Gas Property | Dec 2025 |
| 6502 | ROUNDTOP | Sullivan County, PA | Gas Property | Sep 2021 |
| 6503 | ROUNDWOOD | Wyoming County, PA | Gas Property | Apr 2026 |
| 6504 | ROUPP UNIT | Lycoming County, PA | Gas Property | Apr 2026 |
| 6505 | ROUSE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 6506 | ROWE | Bradford County, PA | Gas Property | Apr 2026 |
| 6507 | ROWLAND CAROL 10067 | Washington County, PA | Gas Property | Apr 2026 |
| 6508 | ROY & ARCHER | Elk County, PA | Oil & Gas Property | Dec 2019 |
| 6509 | ROY 03 0 | Bradford County, PA | Gas Property | Apr 2026 |
| 6510 | ROY A ORR | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 6511 | ROY D LEAMER 1 | Cambria County, PA | Oil & Gas Property | Dec 2025 |
| 6512 | ROY H LUTZ | Clearfield County, PA | Gas Property | Dec 2025 |
| 6513 | ROY MUSGRAVE | Beaver County, PA | Oil & Gas Property | Dec 2025 |
| 6514 | ROY N CLAWSON FMLY HOMER BOWMAN ETUX | Indiana County, PA | Gas Property | Dec 2025 |
| 6515 | ROY RAMALE | Indiana County, PA | Gas Property | Dec 2025 |
| 6516 | ROYAL HUEY 59056 | Clarion County, PA | Oil & Gas Property | Apr 2026 |
| 6517 | ROYAL OIL | Indiana County, PA | Gas Property | Dec 2025 |
| 6518 | ROYAL OIL & GAS | Indiana County, PA | Gas Property | Dec 2025 |
| 6519 | ROYAL OIL & GAS 590 | Indiana County, PA | Gas Property | Apr 2026 |
| 6520 | ROYAL OIL & GAS CORP | Clearfield County, PA | Gas Property | Dec 2025 |
| 6521 | ROYAL OL & GAS CORP | Clearfield County, PA | Gas Property | Dec 2025 |
| 6522 | ROYSTONE | Warren County, PA | Oil & Gas Property | Dec 2010 |
| 6523 | ROZAK | Fayette County, PA | Gas Property | Dec 2025 |
| 6524 | RR ADAMS | Jefferson County, PA | Gas Property | Dec 2025 |
| 6525 | RUARK EAST RUARK EAST 1 1H | Wyoming County, PA | Gas Property | Apr 2026 |
| 6526 | RUARK SOUTH WELL PAD RUARK | Wyoming County, PA | Gas Property | Apr 2026 |
| 6527 | RUARK UNIT P&G 5 RUARK 4H | Wyoming County, PA | Gas Property | Apr 2026 |
| 6528 | RUARK-JOHNSTON-REIMILLER UNIT P&G2 22H | Wyoming County, PA | Gas Property | Apr 2026 |
| 6529 | RUCCIO | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 6530 | RUDOLPH | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 6531 | RUDOLPH H GASTON | Indiana County, PA | Gas Property | Dec 2025 |
| 6532 | RUDOLPH L KUHNER | Indiana County, PA | Gas Property | Dec 2025 |
| 6533 | RUDY | Washington County, PA | Gas Property | Dec 2025 |
| 6534 | RUELBA L STEEL | Indiana County, PA | Gas Property | Dec 2025 |
| 6535 | RUFF 0 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 6536 | RUGGERI 00 | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 6537 | RUHLMAN | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 6538 | RUHLMAN | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 6539 | RUHLMAN | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 6540 | RUHLMAN LEASE R | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 6541 | RUHLMAN LOT 452 2 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 6542 | RUKAVINA UNIT | Washington County, PA | Gas Property | Apr 2026 |
| 6543 | RUMPELSTILTSKIN | Washington County, PA | Gas Property | Apr 2026 |
| 6544 | RUNABUCK UNIT | Sullivan County, PA | Gas Property | Apr 2026 |
| 6545 | RUPERT | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 6546 | RUPERT | Clearfield County, PA | Gas Property | Dec 2025 |
| 6547 | RUPERT | Armstrong County, PA | Gas Property | Dec 2025 |
| 6548 | RUPERT | Armstrong County, PA | Gas Property | Dec 2025 |
| 6549 | RUPP | Armstrong County, PA | Gas Property | Dec 2025 |
| 6550 | RUPP | Armstrong County, PA | Gas Property | Dec 2025 |
| 6551 | RUPP | Armstrong County, PA | Gas Property | Dec 2025 |
| 6552 | RURA | Indiana County, PA | Gas Property | Dec 2025 |
| 6553 | RUSCITTO | Washington County, PA | Oil & Gas Property | Dec 2025 |
| 6554 | RUSH | Greene County, PA | Oil & Gas Property | Apr 2026 |
| 6555 | RUSH JOHN UNIT | Washington County, PA | Gas Property | Apr 2026 |
| 6556 | RUSSELL | Potter County, PA | Oil & Gas Property | Dec 2025 |
| 6557 | RUSSELL | Indiana County, PA | Gas Property | Dec 2025 |
| 6558 | RUSSELL | Crawford County, PA | Gas Property | Dec 2025 |
| 6559 | RUSSELL COOPER | Jefferson County, PA | Gas Property | Dec 2025 |
| 6560 | RUSSELL JOHNS | Indiana County, PA | Gas Property | Dec 2025 |
| 6561 | RUSSELL JOHNSTON | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 6562 | RUSSELL L BYERS | Westmoreland County, PA | Gas Property | Dec 2025 |
| 6563 | RUSSELL L JR & GWEN | Armstrong County, PA | Gas Property | Dec 2025 |
| 6564 | RUSSELL MARION PAINTER | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 6565 | RUSSELL MCCLUNE | Clarion County, PA | Gas Property | Dec 2024 |
| 6566 | RUSSELL P OLSON | Indiana County, PA | Gas Property | Dec 2025 |
| 6567 | RUSSELL SOUTHWELL | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 6568 | RUSSELLVILLE | Indiana County, PA | Gas Property | Dec 2025 |
| 6569 | RUSSO B 0 | Susquehanna County, PA | Gas Property | Apr 2026 |
| 6570 | RUSSO LEASE 26 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 6571 | RUSTIC | Indiana County, PA | Gas Property | Dec 2025 |
| 6572 | RUTH | Wyoming County, PA | Gas Property | Apr 2026 |
| 6573 | RUTH CORBETT | Clarion County, PA | Gas Property | Dec 2025 |
| 6574 | RUTH E BO | Indiana County, PA | Gas Property | Dec 2025 |
| 6575 | RUTH ISEMAN | Armstrong County, PA | Gas Property | Apr 2026 |
| 6576 | RUTH L KIMMEL | Armstrong County, PA | Gas Property | Dec 2025 |
| 6577 | RUTH WIGGINS | Indiana County, PA | Gas Property | Dec 2025 |
| 6578 | RUTKOWSKI | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 6579 | RUTKOWSKI | Erie County, PA | Oil & Gas Property | Dec 2025 |
| 6580 | RUTKOWSKI B 6 | Susquehanna County, PA | Gas Property | Apr 2026 |
| 6581 | RUTLEDGE UNIT | Butler County, PA | Oil & Gas Property | Apr 2026 |
| 6582 | RV BURNS JR | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 6583 | RWS DEVELOPMENT 00 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 6584 | RYAN LO | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 6585 | RYBAK | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 6586 | RYBKA-ZIMMERMAN | Venango County, PA | Oil Property | Dec 2025 |
| 6587 | RYLEE | Susquehanna County, PA | Gas Property | Feb 2026 |
| 6588 | RYND | Crawford County, PA | Gas Property | Dec 2025 |
| 6589 | RYPCZYK 00 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 6590 | S A G P | Fayette County, PA | Gas Property | Dec 2025 |
| 6591 | S A WILSON | Bradford County, PA | Gas Property | Apr 2026 |
| 6592 | S ARBUCKLE | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 6593 | S B CATHCART 174A | Armstrong County, PA | Gas Property | Dec 2025 |
| 6594 | S B GOOD | Indiana County, PA | Gas Property | Dec 2025 |
| 6595 | S C MONNIE | Indiana County, PA | Gas Property | Dec 2025 |
| 6596 | S D DAUGHERTY | Indiana County, PA | Gas Property | Dec 2025 |
| 6597 | S D KEPPLE | Westmoreland County, PA | Gas Property | Dec 2025 |
| 6598 | S E BUTZ | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 6599 | S E GALLAGHER | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 6600 | S E KAPP | Warren County, PA | Oil & Gas Property | Dec 2025 |