| 501 | ROBERT | Warren County, PA | Gas Property | Dec 2025 |
| 502 | ROBINSON | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 503 | ROELL LEASE ROELL | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 504 | ROGERS | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 505 | RONALD J GAFNER G | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 506 | ROUSE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 507 | ROYSTONE | Warren County, PA | Oil & Gas Property | Dec 2010 |
| 508 | RUDOLPH | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 509 | RUHLMAN | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 510 | RUHLMAN | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 511 | RUHLMAN LEASE R | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 512 | RUHLMAN LOT 452 2 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 513 | RUSSELL SOUTHWELL | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 514 | RUSSO LEASE 26 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 515 | S E KAPP | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 516 | S E RENSMA111 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 517 | S&C LOT 4 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 518 | SAMUELSON | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 519 | SANBORN | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 520 | SANDEEN | Warren County, PA | Oil & Gas Property | Dec 2013 |
| 521 | SANDEN | Warren County, PA | Oil & Gas Property | Dec 2014 |
| 522 | SCHOFIELD | Warren County, PA | Gas Property | Dec 2025 |
| 523 | SCHWAB BENEDICT | Warren County, PA | Gas Property | Dec 2025 |
| 524 | SCHWAB F& Y | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 525 | SCHWAB FISHER & YOUNG | Warren County, PA | Gas Property | Dec 2025 |
| 526 | SCHWAB-ERICKSON | Warren County, PA | Gas Property | Dec 2025 |
| 527 | SCHWANKE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 528 | SEIGWORTH | Warren County, PA | Gas Property | Dec 2025 |
| 529 | SENECA | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 530 | SENECA 52 | Warren County, PA | Gas Property | Dec 2016 |
| 531 | SGL 29 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 532 | SGL NO 29 LOT 5 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 533 | SHANK | Warren County, PA | Gas Property | Dec 2025 |
| 534 | SHANSHALA F | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 535 | SHEPARD | Warren County, PA | Gas Property | Dec 2025 |
| 536 | SHERIFF RUN | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 537 | SIMONES | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 538 | SKILLINGTON | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 539 | SMITH | Warren County, PA | Gas Property | Dec 2025 |
| 540 | SMITH | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 541 | SMITH-KERN | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 542 | SOUTHWELL | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 543 | SPEARS | Warren County, PA | Gas Property | Dec 2025 |
| 544 | SPEEDY | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 545 | STARR (LOT 461) | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 546 | STEARNS 1 | Warren County, PA | Oil Property | Dec 2025 |
| 547 | STEFFENS | Warren County, PA | Gas Property | Dec 2025 |
| 548 | STEKLACIC | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 549 | STEVENSON | Warren County, PA | Oil & Gas Property | Dec 2022 |
| 550 | STEWART ( | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 551 | STIMMELL S | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 552 | STONE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 553 | STREICH | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 554 | STRUTHERS | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 555 | SUPPA | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 556 | SWANSON | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 557 | SWART | Warren County, PA | Gas Property | Dec 2025 |
| 558 | SWEENEY | Warren County, PA | Oil Property | Dec 2023 |
| 559 | T REED | Warren County, PA | Gas Property | Dec 2021 |
| 560 | TARBELL | Warren County, PA | Gas Property | Dec 2025 |
| 561 | TELICK RUN | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 562 | THEO WELD FARM LOT 76W | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 563 | THEODORE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 564 | THEODORE D WELD | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 565 | THOMAS | Warren County, PA | Gas Property | Dec 2025 |
| 566 | TIDIOUTE WATER CO | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 567 | TIONA | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 568 | TIONA LOT 23 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 569 | TONY L STEC | Warren County, PA | Gas Property | Dec 2025 |
| 570 | TRACT | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 571 | TRACT 255 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 572 | TRACT 281 9 | Warren County, PA | Oil Property | Dec 2025 |
| 573 | TRAILER COURT | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 574 | TROUT RUN | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 575 | TROXELL | Warren County, PA | Oil Property | Dec 2025 |
| 576 | TURNER | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 577 | U S F S | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 578 | U S F S | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 579 | U S F S & R I STOVER KB | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 580 | U S F S LOT 201 KC | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 581 | U S FOREST SERVICE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 582 | U S FOREST SERVICE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 583 | U S FOREST SVC CENTRAL PA LUMBER | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 584 | U S FORESTRY SERVICE 00 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 585 | U S GOVERNMENT NATL FOREST | Warren County, PA | Oil & Gas Property | Dec 2019 |
| 586 | UPPER FUNK 1 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 587 | US FOREST SERVICE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 588 | US FOREST SERVICE COLLINS PINE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 589 | US GOVERNMENT NAT | Warren County, PA | Oil & Gas Property | Dec 2017 |
| 590 | USFS | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 591 | USFS 7 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 592 | USGS 36 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 593 | V. NICHOLS | Warren County, PA | Gas Property | Dec 2025 |
| 594 | VANCISE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 595 | VANCO | Warren County, PA | Gas Property | Dec 2025 |
| 596 | VINCENT | Warren County, PA | Gas Property | Dec 2025 |
| 597 | W 1/2 OF E 1/2 LOT 49 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 598 | W DAVIS AND MRS J POLANSKY | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 599 | W J KNUPP TRACT 77D | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 600 | WALKER | Warren County, PA | Oil & Gas Property | Dec 2025 |