| Property Name | Property Location | Property Type | Most Recent Production | |
|---|---|---|---|---|
| 601 | COWDEN WILLIAM UNIT | Washington County, PA | Gas Property | Jun 2026 |
| 602 | COX COX 1 | McKean County, PA | Gas Property | Dec 2025 |
| 603 | COYLE BRA | Bradford County, PA | Gas Property | Jun 2026 |
| 604 | COYLE SOUTH | Susquehanna County, PA | Gas Property | Jun 2026 |
| 605 | COYNE-SLAGLE UNIT | Venango County, PA | Gas Property | Dec 2025 |
| 606 | COYOTE RUN | Bradford County, PA | Gas Property | Jun 2026 |
| 607 | COZY | Crawford County, PA | Gas Property | Dec 2025 |
| 608 | CP 4H | Washington County, PA | Gas Property | Jun 2026 |
| 609 | CP FOGLE F | Forest County, PA | Oil Property | Dec 2025 |
| 610 | CP UNIT | Venango County, PA | Gas Property | Dec 2025 |
| 611 | CP UNIT | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 612 | CRAFT C | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 613 | CRAIG | Erie County, PA | Oil & Gas Property | Dec 2025 |
| 614 | CRAIG LASH UNIT | Westmoreland County, PA | Gas Property | Jun 2026 |
| 615 | CRAIG NT | Indiana County, PA | Gas Property | Dec 2025 |
| 616 | CRAIGE | Susquehanna County, PA | Gas Property | Jun 2026 |
| 617 | CRAIN | Bradford County, PA | Gas Property | Jun 2026 |
| 618 | CRAMER | Susquehanna County, PA | Gas Property | Jun 2026 |
| 619 | CRANE | Bradford County, PA | Gas Property | Jun 2026 |
| 620 | CRANE J 0 | Susquehanna County, PA | Gas Property | Jun 2026 |
| 621 | CRANK 03 067 | Bradford County, PA | Gas Property | Jun 2026 |
| 622 | CRANRUN | Bradford County, PA | Gas Property | Jun 2026 |
| 623 | CRATTY | Butler County, PA | Gas Property | Jun 2026 |
| 624 | CRATTY B UNIT 1H | Butler County, PA | Gas Property | Jun 2026 |
| 625 | CRAVAT COAL B UNIT | Washington County, PA | Gas Property | Jun 2026 |
| 626 | CRAWFORD | Elk County, PA | Oil & Gas Property | Dec 2018 |
| 627 | CRAWFORD | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 628 | CRAWFORD | Bradford County, PA | Gas Property | Jun 2026 |
| 629 | CRAWFORD | Mercer County, PA | Gas Property | Dec 2025 |
| 630 | CRAWFORD | Armstrong County, PA | Gas Property | Dec 2025 |
| 631 | CREE | Greene County, PA | Oil & Gas Property | Jun 2026 |
| 632 | CREIGHTON | Washington County, PA | Gas Property | Dec 2025 |
| 633 | CREW-LEVICK (MCCOOL) | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 634 | CREWE | Armstrong County, PA | Gas Property | Dec 2025 |
| 635 | CRICK | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 636 | CRIMALDI | Cambria County, PA | Gas Property | Dec 2025 |
| 637 | CRISPEN H | Mercer County, PA | Gas Property | Dec 2025 |
| 638 | CRITZER | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 639 | CROASMUN | Cambria County, PA | Gas Property | Dec 2025 |
| 640 | CROCKER | Warren County, PA | Gas Property | Dec 2025 |
| 641 | CROFTCHECK | Fayette County, PA | Gas Property | Dec 2025 |
| 642 | CROFTCHECK 1 | Fayette County, PA | Gas Property | Dec 2025 |
| 643 | CROSBY | Jefferson County, PA | Oil & Gas Property | Dec 2025 |
| 644 | CROSBY 00 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 645 | CROSLEY | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 646 | CROSS CREEK C | Washington County, PA | Oil & Gas Property | Jun 2026 |
| 647 | CROSSETT | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 648 | CROSSGATES INC (FMLY J C RINN) | Indiana County, PA | Gas Property | Dec 2025 |
| 649 | CROTALLO | Armstrong County, PA | Gas Property | Dec 2025 |
| 650 | CROTHERS | Washington County, PA | Oil Property | Dec 2000 |
| 651 | CROUSE MOR14 | Greene County, PA | Gas Property | Jun 2026 |
| 652 | CROUSHORE | Fayette County, PA | Oil & Gas Property | Jun 2026 |
| 653 | CROWL C | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 654 | CROWNOVER | Armstrong County, PA | Gas Property | Dec 2025 |
| 655 | CROYLE 00 | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 656 | CRUM NV55 | Washington County, PA | Gas Property | Jun 2026 |
| 657 | CRUTTENDEN | Tioga County, PA | Gas Property | Jun 2026 |
| 658 | CRYSTAL | Bradford County, PA | Gas Property | Jun 2026 |
| 659 | CRYTZER | Armstrong County, PA | Gas Property | Jun 2026 |
| 660 | CSI 2H | Bradford County, PA | Gas Property | Jun 2026 |
| 661 | CSI 5H | Bradford County, PA | Gas Property | Jun 2026 |
| 662 | CUBBON | Venango County, PA | Oil Property | Dec 1997 |
| 663 | CUBBON | Venango County, PA | Gas Property | Dec 2025 |
| 664 | CUBBON | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 665 | CUBBON LUMBER CO | Warren County, PA | Gas Property | Dec 2025 |
| 666 | CULBERTSON | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 667 | CULBERTSON | Armstrong County, PA | Gas Property | Dec 2025 |
| 668 | CUMBERLAND | Greene County, PA | Gas Property | Dec 2025 |
| 669 | CUMMINGS 823 | Tioga County, PA | Gas Property | Jun 2026 |
| 670 | CUMMINGS LUMBER 01 081 | Bradford County, PA | Gas Property | Jun 2026 |
| 671 | CUNDARI | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 672 | CUNNINGHAM | Venango County, PA | Oil Property | Dec 2014 |
| 673 | CUPPER | Tioga County, PA | Gas Property | Jun 2026 |
| 674 | CURRY | Washington County, PA | Oil & Gas Property | Dec 2025 |
| 675 | CURTIN | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 676 | CURTIN | Wyoming County, PA | Gas Property | Jun 2026 |
| 677 | CURTIN UNIT | Bradford County, PA | Gas Property | Jun 2026 |
| 678 | CURTIS | Erie County, PA | Gas Property | Dec 2025 |
| 679 | CURTIS | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 680 | CURTIS | Bradford County, PA | Gas Property | Jun 2026 |
| 681 | CURTIS F POOLE | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 682 | CURTIS LOT | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 683 | CUSICK H | Mercer County, PA | Gas Property | Dec 2025 |
| 684 | CUTHBERTSON | Bradford County, PA | Gas Property | Nov 2025 |
| 685 | CW MORRIS | Crawford County, PA | Gas Property | Dec 2025 |
| 686 | CYNTHIA BOND | Indiana County, PA | Gas Property | Dec 2025 |
| 687 | CYNTHIA M KNISPEL A | Lycoming County, PA | Gas Property | Jun 2026 |
| 688 | CYPHER | Butler County, PA | Gas Property | Jun 2026 |
| 689 | CYPHER | Clarion County, PA | Gas Property | Dec 2025 |
| 690 | CYPHERT | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 691 | CZECH UNIT | Warren County, PA | Gas Property | Dec 2006 |
| 692 | CZESNOWSKI | Erie County, PA | Gas Property | Dec 2025 |