| 601 | BOYER | Portage County, OH | Oil & Gas Property | Dec 2015 |
| 602 | BOYER | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 603 | BOYS VILLAGE INC | Wayne County, OH | Oil & Gas Property | Dec 2023 |
| 604 | BOZICH 28-7-2 | Jefferson County, OH | Gas Property | Sep 2025 |
| 605 | BRACE | Carroll County, OH | Oil & Gas Property | Sep 2025 |
| 606 | BRADBURY | Gallia County, OH | Oil & Gas Property | Dec 2024 |
| 607 | BRADFIELD | Pleasants County, WV | Oil & Gas Property | Dec 2021 |
| 608 | BRADFIELD | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 609 | BRADFIELD JW | Coshocton County, OH | Oil Property | Dec 2024 |
| 610 | BRADFORD | Muskingum County, OH | Oil & Gas Property | Dec 2018 |
| 611 | BRADLEY | Licking County, OH | Oil Property | Dec 2024 |
| 612 | BRADLEY | Medina County, OH | Oil & Gas Property | Dec 2024 |
| 613 | BRADLEY DONALD & | Athens County, OH | Oil & Gas Property | Dec 2022 |
| 614 | BRADSHAW-STARNER | Perry County, OH | Oil & Gas Property | Dec 2017 |
| 615 | BRAINARD | Trumbull County, OH | Oil & Gas Property | Dec 2024 |
| 616 | BRAND 32-8-2 | Jefferson County, OH | Gas Property | Sep 2025 |
| 617 | BRANDSTAETTER UNIT | Lake County, OH | Oil & Gas Property | Dec 1996 |
| 618 | BRANIGER | Guernsey County, OH | Oil & Gas Property | Dec 2017 |
| 619 | BRANSTOOL | Knox County, OH | Oil & Gas Property | Dec 2024 |
| 620 | BRANSTOOL | Licking County, OH | Oil & Gas Property | Dec 2024 |
| 621 | BRASEL CARSON | Meigs County, OH | Oil & Gas Property | Dec 2024 |
| 622 | BRATTON WILLIAM | Licking County, OH | Oil Property | Dec 2006 |
| 623 | BRAVO ATH HR | Harrison County, OH | Oil & Gas Property | Sep 2025 |
| 624 | BRAVO S ATH HR 4H | Harrison County, OH | Oil & Gas Property | Sep 2025 |
| 625 | BRAVO SE ATH HR 6H | Harrison County, OH | Oil & Gas Property | Sep 2025 |
| 626 | BRAVO SW ATH HR 2H | Harrison County, OH | Oil & Gas Property | Sep 2025 |
| 627 | BRECHBILL | Stark County, OH | Oil & Gas Property | Dec 2009 |
| 628 | BREEZE E RCH BL 3H | Belmont County, OH | Gas Property | Sep 2025 |
| 629 | BREEZE E RCH BL 5H | Belmont County, OH | Gas Property | Sep 2025 |
| 630 | BREEZE W RCH BL 1H | Belmont County, OH | Gas Property | Sep 2025 |
| 631 | BRETT L | Stark County, OH | Oil & Gas Property | Dec 2008 |
| 632 | BRETTIN | Ashland County, OH | Oil & Gas Property | Dec 2023 |
| 633 | BRETTIN GEORGE & JOSEPHINE | Ashland County, OH | Oil & Gas Property | Dec 2023 |
| 634 | BREWER | Knox County, OH | Oil Property | Dec 2022 |
| 635 | BREWSTER | Lake County, OH | Oil & Gas Property | Dec 1992 |
| 636 | BREWSTER SWITZ6 | Monroe County, OH | Oil & Gas Property | Sep 2025 |
| 637 | BREWSTER-KNITT | Lake County, OH | Oil & Gas Property | Dec 2024 |
| 638 | BREYER | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 639 | BRIAR HILL | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 640 | BRIAR HILL STONE | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 641 | BRICE | Trumbull County, OH | Oil & Gas Property | Dec 2024 |
| 642 | BRICELAND TRUST 24-14-4 | Columbiana County, OH | Oil & Gas Property | Sep 2025 |
| 643 | BRICKER | Wayne County, OH | Oil & Gas Property | Dec 2023 |
| 644 | BRICKER | Mahoning County, OH | Oil & Gas Property | Dec 2024 |
| 645 | BRIER HILL SLAG UNIT | Mahoning County, OH | Oil & Gas Property | Dec 2024 |
| 646 | BRIGGS | Knox County, OH | Gas Property | Dec 2022 |
| 647 | BRIGGS | Perry County, OH | Oil Property | Dec 2020 |
| 648 | BRIGHT | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 649 | BRILL | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 650 | BRILLHART | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 651 | BRIMMER | Hocking County, OH | Oil & Gas Property | Dec 1995 |
| 652 | BRIMNER | Hocking County, OH | Oil Property | Dec 2022 |
| 653 | BRION UNIT | Noble County, OH | Oil & Gas Property | Sep 2025 |
| 654 | BRISON | Fairfield County, OH | Oil Property | Dec 2024 |
| 655 | BRITS | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 656 | BRITTAN | Portage County, OH | Oil & Gas Property | Dec 2024 |
| 657 | BROADWATER | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 658 | BROADWATER | Lake County, OH | Oil & Gas Property | Dec 1992 |
| 659 | BROCKETT | Portage County, OH | Oil & Gas Property | Dec 2024 |
| 660 | BROCKETT | Medina County, OH | Oil & Gas Property | Dec 2024 |
| 661 | BRODBECK | Wayne County, OH | Oil & Gas Property | Dec 2024 |
| 662 | BRODBECK | Wayne County, OH | Oil & Gas Property | Dec 1996 |
| 663 | BRODE | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 664 | BROOKER | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 665 | BROOKER | Washington County, OH | Gas Property | Dec 1996 |
| 666 | BROOKFIELD TRI-COUNTY CONSERVATION CLUB | Trumbull County, OH | Oil & Gas Property | Dec 2023 |
| 667 | BROOKFIELD-N | Noble County, OH | Oil & Gas Property | Sep 2025 |
| 668 | BROOKINS | Cuyahoga County, OH | Oil & Gas Property | Dec 2024 |
| 669 | BROOKS | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 670 | BROOKS | Hocking County, OH | Oil & Gas Property | Dec 2008 |
| 671 | BROOKS | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 672 | BROOKSIDE DEV | Medina County, OH | Oil & Gas Property | Dec 2000 |
| 673 | BROSIUS | Portage County, OH | Oil & Gas Property | Dec 2024 |
| 674 | BROSS | Knox County, OH | Gas Property | Dec 2024 |
| 675 | BROTHERS | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 676 | BROTHERS | Belmont County, OH | Oil & Gas Property | Sep 2025 |
| 677 | BROWN | Mahoning County, OH | Oil & Gas Property | Dec 2024 |
| 678 | BROWN | Monroe County, OH | Oil & Gas Property | Dec 2021 |
| 679 | BROWN | Hocking County, OH | Oil Property | Dec 2005 |
| 680 | BROWN | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 681 | BROWN | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 682 | BROWN | Guernsey County, OH | Oil & Gas Property | Dec 2024 |
| 683 | BROWN | Harrison County, OH | Oil & Gas Property | Dec 2024 |
| 684 | BROWN | Perry County, OH | Oil & Gas Property | Dec 2024 |
| 685 | BROWN | Noble County, OH | Oil & Gas Property | Dec 2019 |
| 686 | BROWN | Washington County, OH | Oil Property | Dec 2021 |
| 687 | BROWN | Licking County, OH | Oil Property | Dec 2024 |
| 688 | BROWN | Lake County, OH | Oil & Gas Property | Dec 1989 |
| 689 | BROWN | Holmes County, OH | Oil & Gas Property | Dec 2024 |
| 690 | BROWN | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 691 | BROWN 1 | Guernsey County, OH | Oil & Gas Property | Sep 2025 |
| 692 | BROWN 210044 | Noble County, OH | Oil & Gas Property | Sep 2025 |
| 693 | BROWN 2117 1H | Carroll County, OH | Oil & Gas Property | Sep 2025 |
| 694 | BROWN 36-11-3 | Jefferson County, OH | Oil & Gas Property | Sep 2025 |
| 695 | BROWN CARRIE | Perry County, OH | Gas Property | Dec 2019 |
| 696 | BROWN L | Muskingum County, OH | Oil Property | Dec 1998 |
| 697 | BROWN RUSSELL E | Licking County, OH | Oil Property | Dec 2006 |
| 698 | BROWN UNIT | Ashland County, OH | Oil & Gas Property | Dec 2023 |
| 699 | BROZAK | Athens County, OH | Oil & Gas Property | Dec 2024 |
| 700 | BRUCE UNIT | Noble County, OH | Oil & Gas Property | Sep 2025 |