| 4501 | RIDENOUR | Perry County, OH | Oil & Gas Property | Dec 2020 |
| 4502 | RIDENOUR OSCAR | Athens County, OH | Oil Property | Dec 2023 |
| 4503 | RIDER GUY | Muskingum County, OH | Oil & Gas Property | Dec 2022 |
| 4504 | RIDGETOP 21 | Belmont County, OH | Oil & Gas Property | Dec 2023 |
| 4505 | RIDGEWAY | Washington County, OH | Oil & Gas Property | Dec 2014 |
| 4506 | RIES (CLARK ABER) | Ashland County, OH | Oil Property | Dec 2023 |
| 4507 | RIFE | Gallia County, OH | Oil & Gas Property | Dec 2023 |
| 4508 | RIFFLE | Columbiana County, OH | Oil & Gas Property | Dec 2023 |
| 4509 | RIGGENBACH | Wayne County, OH | Oil & Gas Property | Dec 2023 |
| 4510 | RIGGLE | Licking County, OH | Oil Property | Dec 2023 |
| 4511 | RIGGS | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 4512 | RIGGS BARBER | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 4513 | RILEY | Morrow County, OH | Oil Property | Dec 2009 |
| 4514 | RILEY CARL | Muskingum County, OH | Oil & Gas Property | Dec 2022 |
| 4515 | RINARD | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 4516 | RINARD | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 4517 | RINARD C | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 4518 | RINARD W | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 4519 | RINE | Knox County, OH | Oil & Gas Property | Dec 2023 |
| 4520 | RINE | Knox County, OH | Oil Property | Dec 2023 |
| 4521 | RINE | Licking County, OH | Oil Property | Dec 2022 |
| 4522 | RINE ENCIL | Knox County, OH | Oil Property | Dec 2023 |
| 4523 | RINE GAYLOR | Knox County, OH | Oil & Gas Property | Dec 2023 |
| 4524 | RINE GEORGE | Knox County, OH | Oil & Gas Property | Dec 2023 |
| 4525 | RINE JOHN | Coshocton County, OH | Oil & Gas Property | Dec 2023 |
| 4526 | RINEHART | Carroll County, OH | Oil & Gas Property | Dec 2022 |
| 4527 | RINEHART | Licking County, OH | Oil & Gas Property | Dec 2023 |
| 4528 | RING | Ashtabula County, OH | Oil & Gas Property | Dec 2023 |
| 4529 | RING | Monroe County, OH | Oil & Gas Property | Dec 2023 |
| 4530 | RINGER | Guernsey County, OH | Oil & Gas Property | Dec 2020 |
| 4531 | RINGER | Guernsey County, OH | Oil & Gas Property | Dec 2022 |
| 4532 | RINGLER | Ashland County, OH | Oil & Gas Property | Dec 2023 |
| 4533 | RINGWALT | Coshocton County, OH | Oil & Gas Property | Dec 2022 |
| 4534 | RIPLEY | Guernsey County, OH | Oil & Gas Property | Dec 2023 |
| 4535 | RIPLEY | Tuscarawas County, OH | Oil & Gas Property | Dec 2022 |
| 4536 | RITCHEY | Licking County, OH | Oil & Gas Property | Dec 2022 |
| 4537 | RITCHIE | Monroe County, OH | Oil & Gas Property | Dec 2023 |
| 4538 | RITTBERGER | Muskingum County, OH | Oil & Gas Property | Dec 2023 |
| 4539 | RITTENHOUSE | Wayne County, OH | Oil & Gas Property | Dec 2023 |
| 4540 | RIVER VIEW SCHOOL | Coshocton County, OH | Oil & Gas Property | Dec 2023 |
| 4541 | ROACH | Monroe County, OH | Oil & Gas Property | Dec 2023 |
| 4542 | ROACH LESTER | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 4543 | ROARK | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 4544 | ROBB | Medina County, OH | Oil & Gas Property | Dec 2023 |
| 4545 | ROBERT | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 4546 | ROBERT | Holmes County, OH | Oil & Gas Property | Dec 2022 |
| 4547 | ROBERT | Meigs County, OH | Oil & Gas Property | Dec 2022 |
| 4548 | ROBERT | Perry County, OH | Oil & Gas Property | Dec 1995 |
| 4549 | ROBERT | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 4550 | ROBERT & BONNIE KILPATRICK | Muskingum County, OH | Oil Property | Dec 2022 |
| 4551 | ROBERT & FRANCIS HOUSE | Holmes County, OH | Oil & Gas Property | Dec 2023 |
| 4552 | ROBERT & L | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 4553 | ROBERT & PAULINE GORTNER | Ashland County, OH | Oil & Gas Property | Dec 2023 |
| 4554 | ROBERT 211 | Monroe County, OH | Gas Property | Dec 2023 |
| 4555 | ROBERT A. WILLIAMSON | Coshocton County, OH | Oil Property | Dec 2023 |
| 4556 | ROBERT B | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 4557 | ROBERT DIXON | Coshocton County, OH | Oil & Gas Property | Dec 1989 |
| 4558 | ROBERT FOLEY | Morgan County, OH | Oil & Gas Property | Dec 2023 |
| 4559 | ROBERT FRANCIS | Licking County, OH | Oil Property | Dec 1990 |
| 4560 | ROBERT H. & NAOMI RIES | Ashland County, OH | Oil Property | Dec 2023 |
| 4561 | ROBERT LEMASTERS | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 4562 | ROBERT MCBRIDE | Muskingum County, OH | Oil & Gas Property | Dec 2023 |
| 4563 | ROBERT MIKESELL | Coshocton County, OH | Oil & Gas Property | Dec 2022 |
| 4564 | ROBERT POST | Perry County, OH | Oil Property | Dec 2018 |
| 4565 | ROBERT RUDOLPH | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 4566 | ROBERT SIDWELL | Morgan County, OH | Oil & Gas Property | Dec 2022 |
| 4567 | ROBERT STARNER | Coshocton County, OH | Oil & Gas Property | Dec 2018 |
| 4568 | ROBERT STIMPERT | Monroe County, OH | Oil & Gas Property | Dec 2023 |
| 4569 | ROBERT SUMMER | Columbiana County, OH | Oil & Gas Property | Dec 2023 |
| 4570 | ROBERT ULLMAN | Noble County, OH | Oil & Gas Property | Dec 2023 |
| 4571 | ROBERT WOLF | Hocking County, OH | Oil & Gas Property | Dec 2022 |
| 4572 | ROBERTS | Perry County, OH | Oil & Gas Property | Dec 2018 |
| 4573 | ROBERTS | Morgan County, OH | Oil & Gas Property | Dec 2003 |
| 4574 | ROBERTS | Guernsey County, OH | Oil & Gas Property | Dec 2022 |
| 4575 | ROBERTS | Morgan County, OH | Oil & Gas Property | Dec 2023 |
| 4576 | ROBERTS VICTOR L & LINDA G SWIT27 | Monroe County, OH | Gas Property | Dec 2023 |
| 4577 | ROBERTSON | Licking County, OH | Gas Property | Dec 2023 |
| 4578 | ROBERTSON | Muskingum County, OH | Oil & Gas Property | Dec 1992 |
| 4579 | ROBERTSON | Hocking County, OH | Oil & Gas Property | Dec 2012 |
| 4580 | ROBERTSON | Medina County, OH | Oil & Gas Property | Dec 2023 |
| 4581 | ROBERTSON | Guernsey County, OH | Oil & Gas Property | Dec 2022 |
| 4582 | ROBIL UNIT | Summit County, OH | Oil & Gas Property | Dec 2013 |
| 4583 | ROBIN LYNN ROSSI | Monroe County, OH | Oil & Gas Property | Dec 2023 |
| 4584 | ROBINETTE 210129 | Monroe County, OH | Gas Property | Dec 2023 |
| 4585 | ROBINS | Guernsey County, OH | Oil Property | Dec 2012 |
| 4586 | ROBINSON | Monroe County, OH | Oil & Gas Property | Dec 2023 |
| 4587 | ROBINSON | Hocking County, OH | Oil Property | Dec 2023 |
| 4588 | ROBINSON | Tyler County, WV | Oil & Gas Property | Dec 2023 |
| 4589 | ROBINSON | Coshocton County, OH | Oil & Gas Property | Dec 2004 |
| 4590 | ROBINSON | Athens County, OH | Oil & Gas Property | Dec 1992 |
| 4591 | ROBINSON | Washington County, OH | Oil & Gas Property | Dec 2021 |
| 4592 | ROBINSON | Tuscarawas County, OH | Oil & Gas Property | Dec 2022 |
| 4593 | ROBINSON CLAY PROD | Tuscarawas County, OH | Oil & Gas Property | Dec 2023 |
| 4594 | ROBINSON MARY E | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 4595 | ROCKOIL | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 4596 | ROCKOIL | Washington County, OH | Gas Property | Dec 2023 |
| 4597 | ROCKOIL M | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 4598 | RODEHAVER | Coshocton County, OH | Oil & Gas Property | Dec 2023 |
| 4599 | RODENBUCHER | Portage County, OH | Oil & Gas Property | Dec 2023 |
| 4600 | RODGERS | Perry County, OH | Oil Property | Dec 2023 |