| Property Name | Property Location | Property Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | O FELUMLEE | Licking County, OH | Oil & Gas Property | Dec 2022 |
| 2 | O OSBORN | Muskingum County, OH | Oil & Gas Property | Dec 2022 |
| 3 | O WAGNER | Washington County, OH | Oil & Gas Property | Dec 2020 |
| 4 | O.P. RATLIFF | Vinton County, OH | Oil & Gas Property | Dec 2022 |
| 5 | OAKWOOD CLUB | Cuyahoga County, OH | Oil & Gas Property | Dec 2015 |
| 6 | OBANNON | Licking County, OH | Oil & Gas Property | Dec 2023 |
| 7 | OBERLE-WILKES | Trumbull County, OH | Oil & Gas Property | Dec 2023 |
| 8 | OBERMILLER | Wayne County, OH | Oil & Gas Property | Dec 2022 |
| 9 | OBERNYER | Ashtabula County, OH | Oil & Gas Property | Dec 2022 |
| 10 | OBERT | Summit County, OH | Oil & Gas Property | Dec 2022 |
| 11 | OBERT J | Licking County, OH | Oil Property | Dec 2022 |
| 12 | OBOY N CLR BL 5H | Belmont County, OH | Gas Property | Dec 2023 |
| 13 | OBOY NE CLR BL | Belmont County, OH | Gas Property | Dec 2023 |
| 14 | OBOY NW CLR BL 3H | Belmont County, OH | Gas Property | Dec 2023 |
| 15 | OBOY SE CLR BL | Belmont County, OH | Gas Property | Dec 2023 |
| 16 | OBOY SW CLR BL | Belmont County, OH | Gas Property | Dec 2023 |
| 17 | OBRIEN | Monroe County, OH | Oil & Gas Property | Dec 2022 |
| 18 | OBRIEN JAMES | Meigs County, OH | Oil & Gas Property | Dec 2022 |
| 19 | OCEL | Carroll County, OH | Oil & Gas Property | Dec 2023 |
| 20 | ODD JOB | Monroe County, OH | Gas Property | Dec 2023 |
| 21 | ODEA | Stark County, OH | Oil & Gas Property | Dec 1990 |
| 22 | ODONNELL | Licking County, OH | Oil & Gas Property | Dec 2023 |
| 23 | ODONNELL | Licking County, OH | Oil & Gas Property | Dec 2015 |
| 24 | OFARRELL | Perry County, OH | Oil Property | Dec 2017 |
| 25 | OFFENBERGER | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 26 | OGLE | Noble County, OH | Oil & Gas Property | Dec 2023 |
| 27 | OGLE | Coshocton County, OH | Oil Property | Dec 2023 |
| 28 | OHIO BAPTIST ACRES | Stark County, OH | Oil & Gas Property | Dec 2011 |
| 29 | OHIO COMMERCE CENTER | Trumbull County, OH | Oil & Gas Property | Dec 2023 |
| 30 | OHIO EDISON | Trumbull County, OH | Oil & Gas Property | Dec 2022 |
| 31 | OHIO ELECTRIC CO | Gallia County, OH | Oil & Gas Property | Dec 1993 |
| 32 | OHIO INDUSTRIAL SUPPLY | Tuscarawas County, OH | Oil & Gas Property | Dec 2022 |
| 33 | OHIO MINING | Athens County, OH | Oil & Gas Property | Dec 2021 |
| 34 | OHIO MINING | Athens County, OH | Oil & Gas Property | Dec 1990 |
| 35 | OHIO MINING CO | Athens County, OH | Oil & Gas Property | Dec 2015 |
| 36 | OHIO POWER | Noble County, OH | Oil & Gas Property | Dec 2015 |
| 37 | OHIO POWER | Washington County, OH | Oil & Gas Property | Dec 2015 |
| 38 | OHIO POWER | Noble County, OH | Oil & Gas Property | Dec 2023 |
| 39 | OHIO POWER | Morgan County, OH | Oil & Gas Property | Dec 1998 |
| 40 | OHIO POWER | Perry County, OH | Oil & Gas Property | Dec 2022 |
| 41 | OHIO POWER | Morgan County, OH | Oil & Gas Property | Dec 2023 |
| 42 | OHIO POWER | Morgan County, OH | Oil & Gas Property | Dec 2022 |
| 43 | OHIO POWER | Morgan County, OH | Oil & Gas Property | Dec 2023 |
| 44 | OHIO POWER | Morgan County, OH | Oil & Gas Property | Dec 2003 |
| 45 | OHIO POWER | Noble County, OH | Oil & Gas Property | Dec 2022 |
| 46 | OHIO POWER | Muskingum County, OH | Oil & Gas Property | Dec 2022 |
| 47 | OHIO POWER | Noble County, OH | Oil & Gas Property | Dec 2022 |
| 48 | OHIO POWER | Gallia County, OH | Oil & Gas Property | Dec 2023 |
| 49 | OHIO POWER | Muskingum County, OH | Oil & Gas Property | Dec 2023 |
| 50 | OHIO POWER CO | Gallia County, OH | Oil & Gas Property | Dec 2023 |
| 51 | OHIO POWER COMPANY | Morgan County, OH | Oil & Gas Property | Dec 1996 |
| 52 | OHIO POWER COMPANY | Noble County, OH | Gas Property | Dec 2015 |
| 53 | OHIO POWER COMPANY CM | Morgan County, OH | Oil & Gas Property | Dec 2013 |
| 54 | OHIO POWER(B | Muskingum County, OH | Oil & Gas Property | Dec 2022 |
| 55 | OHIO VALLEY FARMS | Perry County, OH | Oil Property | Dec 2023 |
| 56 | OHIO WATER SERVICE | Trumbull County, OH | Oil & Gas Property | Dec 2023 |
| 57 | OKEEF | Mahoning County, OH | Oil & Gas Property | Dec 2023 |
| 58 | OLD OAK FARM 6-10-3 | Jefferson County, OH | Gas Property | Dec 2023 |
| 59 | OLD STONE BANK | Summit County, OH | Oil & Gas Property | Dec 2009 |
| 60 | OLINGER | Coshocton County, OH | Oil & Gas Property | Dec 2022 |
| 61 | OLIVER | Guernsey County, OH | Oil & Gas Property | Dec 2022 |
| 62 | OLIVER | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 63 | OLIVER CR MON | Carroll County, OH | Oil & Gas Property | Dec 2023 |
| 64 | OLIVER E CLR BL 1 | Belmont County, OH | Gas Property | Dec 2023 |
| 65 | OLIVER J | Guernsey County, OH | Oil & Gas Property | Dec 2018 |
| 66 | OLIVER S | Belmont County, OH | Gas Property | Dec 2023 |
| 67 | OLLER | Wayne County, OH | Oil & Gas Property | Dec 2023 |
| 68 | OMAITS SMF JF | Jefferson County, OH | Gas Property | Dec 2023 |
| 69 | OMER BECHTOL | Coshocton County, OH | Oil & Gas Property | Dec 2022 |
| 70 | ONEGA COMMISSIONERS 14-25 | Guernsey County, OH | Oil & Gas Property | Dec 2023 |
| 71 | ONEIL & MCFARREN | Medina County, OH | Oil & Gas Property | Dec 2019 |
| 72 | OPLIGER | Wayne County, OH | Oil & Gas Property | Dec 2023 |
| 73 | ORA JOHNSON | Knox County, OH | Oil & Gas Property | Dec 2023 |
| 74 | ORANGE COAL | Noble County, OH | Oil & Gas Property | Dec 2019 |
| 75 | ORANGE J | Monroe County, OH | Oil Property | Dec 2023 |
| 76 | ORAVEC | Geauga County, OH | Oil & Gas Property | Dec 2023 |
| 77 | ORC 21179 | Belmont County, OH | Gas Property | Dec 2023 |
| 78 | ORC 211792 2A | Belmont County, OH | Gas Property | Dec 2023 |
| 79 | ORMET | Monroe County, OH | Oil & Gas Property | Dec 2023 |
| 80 | ORVILLE J MORAN | Licking County, OH | Oil Property | Dec 2023 |
| 81 | ORVILLE JONES | Licking County, OH | Oil & Gas Property | Dec 2017 |
| 82 | ORVILLE OSBORN | Muskingum County, OH | Oil & Gas Property | Dec 2014 |
| 83 | OSBORN | Coshocton County, OH | Oil & Gas Property | Dec 2022 |
| 84 | OSBORN | Licking County, OH | Oil & Gas Property | Dec 2019 |
| 85 | OSBURN E | Muskingum County, OH | Oil & Gas Property | Dec 2019 |
| 86 | OSTER SAND & GRAVEL | Stark County, OH | Oil & Gas Property | Dec 2022 |
| 87 | OTIS & DOROTHY | Coshocton County, OH | Oil Property | Dec 2014 |
| 88 | OTT 1 | Carroll County, OH | Oil & Gas Property | Dec 2023 |
| 89 | OTT ERIC OTT | Harrison County, OH | Gas Property | Dec 2016 |
| 90 | OTTE | Carroll County, OH | Oil & Gas Property | Dec 2021 |
| 91 | OUR LAND | Harrison County, OH | Oil & Gas Property | Dec 2023 |
| 92 | OUTLAW | Guernsey County, OH | Oil & Gas Property | Dec 2023 |
| 93 | OWEN F | Knox County, OH | Oil Property | Dec 2017 |
| 94 | OWEN MILLER | Washington County, OH | Gas Property | Dec 1987 |
| 95 | OWENS | Gallia County, OH | Oil & Gas Property | Dec 2022 |
| 96 | OXBOW | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 97 | OXFORD-PEABODY | Coshocton County, OH | Oil & Gas Property | Dec 2022 |
| 98 | OXFORD-PEABODY 1 | Perry County, OH | Oil & Gas Property | Dec 2022 |
| 99 | OYER | Stark County, OH | Oil & Gas Property | Dec 2022 |
| 100 | OYSTER | Mahoning County, OH | Oil & Gas Property | Dec 2023 |