| 3901 | NOBLE | Coshocton County, OH | Oil & Gas Property | Dec 2023 |
| 3902 | NOBLE UNIT 1H | Noble County, OH | Oil & Gas Property | Dec 2023 |
| 3903 | NOFSINGER | Tuscarawas County, OH | Oil & Gas Property | Dec 2023 |
| 3904 | NOLAN NE CRC JF 3H | Jefferson County, OH | Gas Property | Dec 2023 |
| 3905 | NOLAN NW CRC JF 1H | Jefferson County, OH | Gas Property | Dec 2023 |
| 3906 | NOLAN S CRC JF | Jefferson County, OH | Gas Property | Dec 2023 |
| 3907 | NOLL | Noble County, OH | Oil & Gas Property | Dec 2023 |
| 3908 | NOON | Noble County, OH | Oil & Gas Property | Dec 2023 |
| 3909 | NORA GARBER | Coshocton County, OH | Oil & Gas Property | Dec 2023 |
| 3910 | NORBERT PLOSKI | Vinton County, OH | Oil & Gas Property | Dec 2023 |
| 3911 | NORMA 210 | Belmont County, OH | Oil & Gas Property | Dec 2023 |
| 3912 | NORMAN | Muskingum County, OH | Oil & Gas Property | Dec 2023 |
| 3913 | NORMAN | Monroe County, OH | Oil & Gas Property | Dec 2023 |
| 3914 | NORMAN RIDGEW | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 3915 | NORRIS | Licking County, OH | Oil Property | Dec 2023 |
| 3916 | NORRIS | Knox County, OH | Oil & Gas Property | Dec 2023 |
| 3917 | NORRIS | Tuscarawas County, OH | Oil & Gas Property | Dec 2023 |
| 3918 | NORRIS | Washington County, OH | Oil & Gas Property | Dec 2005 |
| 3919 | NORRIS | Perry County, OH | Oil Property | Dec 2014 |
| 3920 | NORRIS | Coshocton County, OH | Oil & Gas Property | Dec 1996 |
| 3921 | NORRIS-MILLER-PIKE | Muskingum County, OH | Oil & Gas Property | Dec 2023 |
| 3922 | NORTH AMERICAN | Tuscarawas County, OH | Gas Property | Dec 2023 |
| 3923 | NORTH AMERICAN COAL | Tuscarawas County, OH | Oil & Gas Property | Dec 2023 |
| 3924 | NORTH AMERICAN COAL | Harrison County, OH | Oil & Gas Property | Dec 2023 |
| 3925 | NORTH AMERICAN COAL | Jefferson County, OH | Oil & Gas Property | Dec 2013 |
| 3926 | NORTH WEST UNIT MED BL 4H | Belmont County, OH | Gas Property | Dec 2023 |
| 3927 | NORTHERN LIGHT | Meigs County, OH | Gas Property | Dec 2023 |
| 3928 | NORTHSTAR | Noble County, OH | Oil & Gas Property | Dec 2023 |
| 3929 | NORTHWESTERN MUTUAL LIFE INS CO | Cuyahoga County, OH | Oil & Gas Property | Dec 1993 |
| 3930 | NOSSE | Trumbull County, OH | Oil & Gas Property | Dec 2023 |
| 3931 | NOTCHTOP UNIT | Noble County, OH | Oil & Gas Property | Dec 2023 |
| 3932 | NOYES | Perry County, OH | Oil & Gas Property | Dec 1995 |
| 3933 | NUSSBAUM | Wayne County, OH | Oil & Gas Property | Dec 2023 |
| 3934 | NUTTER | Hocking County, OH | Oil & Gas Property | Dec 2023 |
| 3935 | NUTTER | Perry County, OH | Oil & Gas Property | Dec 2003 |
| 3936 | NUTTER BROTHERS | Hocking County, OH | Oil & Gas Property | Dec 2005 |
| 3937 | NUTTER/SUNDAY CREEK | Perry County, OH | Oil & Gas Property | Dec 2015 |
| 3938 | NUZUM W | Perry County, OH | Oil & Gas Property | Dec 1995 |
| 3939 | NYHART | Coshocton County, OH | Oil & Gas Property | Dec 2021 |
| 3940 | O FELUMLEE | Licking County, OH | Oil & Gas Property | Dec 2023 |
| 3941 | O OSBORN | Muskingum County, OH | Oil & Gas Property | Dec 2022 |
| 3942 | O WAGNER | Washington County, OH | Oil & Gas Property | Dec 2020 |
| 3943 | O.P. RATLIFF | Vinton County, OH | Oil & Gas Property | Dec 2023 |
| 3944 | OAKLIEF-SHARROCK | Coshocton County, OH | Oil & Gas Property | Dec 2023 |
| 3945 | OAKWOOD CLUB | Cuyahoga County, OH | Oil & Gas Property | Dec 2015 |
| 3946 | OBANNON | Licking County, OH | Oil & Gas Property | Dec 2023 |
| 3947 | OBERLE-WILKES | Trumbull County, OH | Oil & Gas Property | Dec 2023 |
| 3948 | OBERMILLER | Wayne County, OH | Oil & Gas Property | Dec 2023 |
| 3949 | OBERNYER | Ashtabula County, OH | Oil & Gas Property | Dec 2023 |
| 3950 | OBERT | Summit County, OH | Oil & Gas Property | Dec 2023 |
| 3951 | OBERT J | Licking County, OH | Oil Property | Dec 2023 |
| 3952 | OBOY N CLR BL 5H | Belmont County, OH | Gas Property | Dec 2023 |
| 3953 | OBOY NE CLR BL | Belmont County, OH | Gas Property | Dec 2023 |
| 3954 | OBOY NW CLR BL 3H | Belmont County, OH | Gas Property | Dec 2023 |
| 3955 | OBOY SE CLR BL | Belmont County, OH | Gas Property | Dec 2023 |
| 3956 | OBOY SW CLR BL | Belmont County, OH | Gas Property | Dec 2023 |
| 3957 | OBRIEN | Monroe County, OH | Oil & Gas Property | Dec 2023 |
| 3958 | OBRIEN JAMES | Meigs County, OH | Oil & Gas Property | Dec 2022 |
| 3959 | OCEL | Carroll County, OH | Oil & Gas Property | Dec 2023 |
| 3960 | ODD JOB | Monroe County, OH | Gas Property | Dec 2023 |
| 3961 | ODEA | Stark County, OH | Oil & Gas Property | Dec 1990 |
| 3962 | ODONNELL | Licking County, OH | Oil & Gas Property | Dec 2023 |
| 3963 | ODONNELL | Licking County, OH | Oil & Gas Property | Dec 2015 |
| 3964 | OFARRELL | Perry County, OH | Oil Property | Dec 2017 |
| 3965 | OFFENBERGER | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 3966 | OGLE | Noble County, OH | Oil & Gas Property | Dec 2023 |
| 3967 | OGLE | Coshocton County, OH | Oil Property | Dec 2023 |
| 3968 | OHIO BAPTIST ACRES | Stark County, OH | Oil & Gas Property | Dec 2011 |
| 3969 | OHIO COMMERCE CENTER | Trumbull County, OH | Oil & Gas Property | Dec 2023 |
| 3970 | OHIO EDISON | Trumbull County, OH | Oil & Gas Property | Dec 2022 |
| 3971 | OHIO ELECTRIC CO | Gallia County, OH | Oil & Gas Property | Dec 1993 |
| 3972 | OHIO INDUSTRIAL SUPPLY | Tuscarawas County, OH | Oil & Gas Property | Dec 2023 |
| 3973 | OHIO MINING | Athens County, OH | Oil & Gas Property | Dec 2021 |
| 3974 | OHIO MINING | Athens County, OH | Oil & Gas Property | Dec 1990 |
| 3975 | OHIO MINING CO | Athens County, OH | Oil & Gas Property | Dec 2015 |
| 3976 | OHIO POWER | Noble County, OH | Oil & Gas Property | Dec 2015 |
| 3977 | OHIO POWER | Washington County, OH | Oil & Gas Property | Dec 2015 |
| 3978 | OHIO POWER | Noble County, OH | Oil & Gas Property | Dec 2023 |
| 3979 | OHIO POWER | Morgan County, OH | Oil & Gas Property | Dec 1998 |
| 3980 | OHIO POWER | Perry County, OH | Oil & Gas Property | Dec 2023 |
| 3981 | OHIO POWER | Morgan County, OH | Oil & Gas Property | Dec 2023 |
| 3982 | OHIO POWER | Morgan County, OH | Oil & Gas Property | Dec 2022 |
| 3983 | OHIO POWER | Morgan County, OH | Oil & Gas Property | Dec 2023 |
| 3984 | OHIO POWER | Morgan County, OH | Oil & Gas Property | Dec 2003 |
| 3985 | OHIO POWER | Noble County, OH | Oil & Gas Property | Dec 2023 |
| 3986 | OHIO POWER | Muskingum County, OH | Oil & Gas Property | Dec 2023 |
| 3987 | OHIO POWER | Noble County, OH | Oil & Gas Property | Dec 2023 |
| 3988 | OHIO POWER | Gallia County, OH | Oil & Gas Property | Dec 2023 |
| 3989 | OHIO POWER | Muskingum County, OH | Oil & Gas Property | Dec 2023 |
| 3990 | OHIO POWER CO | Gallia County, OH | Oil & Gas Property | Dec 2023 |
| 3991 | OHIO POWER COMPANY | Morgan County, OH | Oil & Gas Property | Dec 1996 |
| 3992 | OHIO POWER COMPANY | Noble County, OH | Gas Property | Dec 2015 |
| 3993 | OHIO POWER COMPANY CM | Morgan County, OH | Oil & Gas Property | Dec 2013 |
| 3994 | OHIO POWER(B | Muskingum County, OH | Oil & Gas Property | Dec 2022 |
| 3995 | OHIO VALLEY FARMS | Perry County, OH | Oil Property | Dec 2023 |
| 3996 | OHIO WATER SERVICE | Trumbull County, OH | Oil & Gas Property | Dec 2023 |
| 3997 | OKEEF | Mahoning County, OH | Oil & Gas Property | Dec 2023 |
| 3998 | OLD OAK FARM 6-10-3 | Jefferson County, OH | Gas Property | Dec 2023 |
| 3999 | OLD STONE BANK | Summit County, OH | Oil & Gas Property | Dec 2009 |
| 4000 | OLINGER | Coshocton County, OH | Oil & Gas Property | Dec 2023 |