| 501 | RUARK EAST RUARK EAST 1 1H | Wyoming County, PA | Gas Property | Apr 2026 |
| 502 | RUARK SOUTH WELL PAD RUARK | Wyoming County, PA | Gas Property | Apr 2026 |
| 503 | RUARK UNIT P&G 5 RUARK 4H | Wyoming County, PA | Gas Property | Apr 2026 |
| 504 | RUARK-JOHNSTON-REIMILLER UNIT P&G2 22H | Wyoming County, PA | Gas Property | Apr 2026 |
| 505 | RUCCIO | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 506 | RUDOLPH | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 507 | RUDOLPH H GASTON | Indiana County, PA | Gas Property | Dec 2025 |
| 508 | RUDOLPH L KUHNER | Indiana County, PA | Gas Property | Dec 2025 |
| 509 | RUDY | Washington County, PA | Gas Property | Dec 2025 |
| 510 | RUELBA L STEEL | Indiana County, PA | Gas Property | Dec 2025 |
| 511 | RUFF 0 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 512 | RUGGERI 00 | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 513 | RUHLMAN | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 514 | RUHLMAN | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 515 | RUHLMAN | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 516 | RUHLMAN LEASE R | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 517 | RUHLMAN LOT 452 2 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 518 | RUKAVINA UNIT | Washington County, PA | Gas Property | Apr 2026 |
| 519 | RUMPELSTILTSKIN | Washington County, PA | Gas Property | Apr 2026 |
| 520 | RUNABUCK UNIT | Sullivan County, PA | Gas Property | Apr 2026 |
| 521 | RUPERT | Armstrong County, PA | Gas Property | Dec 2025 |
| 522 | RUPERT | Clearfield County, PA | Gas Property | Dec 2025 |
| 523 | RUPERT | Armstrong County, PA | Gas Property | Dec 2025 |
| 524 | RUPERT | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 525 | RUPP | Armstrong County, PA | Gas Property | Dec 2025 |
| 526 | RUPP | Armstrong County, PA | Gas Property | Dec 2025 |
| 527 | RUPP | Armstrong County, PA | Gas Property | Dec 2025 |
| 528 | RURA | Indiana County, PA | Gas Property | Dec 2025 |
| 529 | RUSCITTO | Washington County, PA | Oil & Gas Property | Dec 2025 |
| 530 | RUSH | Greene County, PA | Oil & Gas Property | Apr 2026 |
| 531 | RUSH JOHN UNIT | Washington County, PA | Gas Property | Apr 2026 |
| 532 | RUSSELL | Crawford County, PA | Gas Property | Dec 2025 |
| 533 | RUSSELL | Potter County, PA | Oil & Gas Property | Dec 2025 |
| 534 | RUSSELL | Indiana County, PA | Gas Property | Dec 2025 |
| 535 | RUSSELL COOPER | Jefferson County, PA | Gas Property | Dec 2025 |
| 536 | RUSSELL JOHNS | Indiana County, PA | Gas Property | Dec 2025 |
| 537 | RUSSELL JOHNSTON | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 538 | RUSSELL L BYERS | Westmoreland County, PA | Gas Property | Dec 2025 |
| 539 | RUSSELL L JR & GWEN | Armstrong County, PA | Gas Property | Dec 2025 |
| 540 | RUSSELL MARION PAINTER | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 541 | RUSSELL MCCLUNE | Clarion County, PA | Gas Property | Dec 2024 |
| 542 | RUSSELL P OLSON | Indiana County, PA | Gas Property | Dec 2025 |
| 543 | RUSSELL SOUTHWELL | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 544 | RUSSELLVILLE | Indiana County, PA | Gas Property | Dec 2025 |
| 545 | RUSSO B 0 | Susquehanna County, PA | Gas Property | Apr 2026 |
| 546 | RUSSO LEASE 26 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 547 | RUSTIC | Indiana County, PA | Gas Property | Dec 2025 |
| 548 | RUTH | Wyoming County, PA | Gas Property | Apr 2026 |
| 549 | RUTH CORBETT | Clarion County, PA | Gas Property | Dec 2025 |
| 550 | RUTH E BO | Indiana County, PA | Gas Property | Dec 2025 |
| 551 | RUTH ISEMAN | Armstrong County, PA | Gas Property | Apr 2026 |
| 552 | RUTH L KIMMEL | Armstrong County, PA | Gas Property | Dec 2025 |
| 553 | RUTH WIGGINS | Indiana County, PA | Gas Property | Dec 2025 |
| 554 | RUTKOWSKI | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 555 | RUTKOWSKI | Erie County, PA | Oil & Gas Property | Dec 2025 |
| 556 | RUTKOWSKI B 6 | Susquehanna County, PA | Gas Property | Apr 2026 |
| 557 | RUTLEDGE UNIT | Butler County, PA | Oil & Gas Property | Apr 2026 |
| 558 | RV BURNS JR | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 559 | RWS DEVELOPMENT 00 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 560 | RYAN LO | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 561 | RYBAK | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 562 | RYBKA-ZIMMERMAN | Venango County, PA | Oil Property | Dec 2025 |
| 563 | RYLEE | Susquehanna County, PA | Gas Property | Feb 2026 |
| 564 | RYND | Crawford County, PA | Gas Property | Dec 2025 |
| 565 | RYPCZYK 00 | Westmoreland County, PA | Gas Property | Dec 2025 |