| 201 | WHEATLEY | Summit County, OH | Oil & Gas Property | Dec 2017 |
| 202 | WHEATON-MA | Washington County, OH | Gas Property | Dec 2024 |
| 203 | WHEELER | Licking County, OH | Oil & Gas Property | Dec 2024 |
| 204 | WHEELER | Guernsey County, OH | Oil & Gas Property | Jun 2025 |
| 205 | WHEELER | Noble County, OH | Gas Property | Dec 2021 |
| 206 | WHEELER MOS | Coshocton County, OH | Oil Property | Dec 2024 |
| 207 | WHEELER-EVANS UNIT | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 208 | WHEELING A 5H-9 | Belmont County, OH | Oil & Gas Property | Jun 2025 |
| 209 | WHEELING VALLEY | Belmont County, OH | Gas Property | Jun 2025 |
| 210 | WHERLEY | Tuscarawas County, OH | Oil & Gas Property | Dec 2023 |
| 211 | WHITACRE | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 212 | WHITACRE | Carroll County, OH | Oil & Gas Property | Jun 2025 |
| 213 | WHITACRE ENTERP | Monroe County, OH | Oil & Gas Property | Jun 2025 |
| 214 | WHITACRE GREER | Carroll County, OH | Oil & Gas Property | Dec 2024 |
| 215 | WHITAKER | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 216 | WHITE | Muskingum County, OH | Oil & Gas Property | Dec 2000 |
| 217 | WHITE | Athens County, OH | Oil & Gas Property | Dec 2023 |
| 218 | WHITE | Muskingum County, OH | Oil & Gas Property | Dec 2021 |
| 219 | WHITE 1 | Carroll County, OH | Oil & Gas Property | Jun 2025 |
| 220 | WHITE 210 | Belmont County, OH | Gas Property | Jun 2025 |
| 221 | WHITE RHINO NBK14 | Noble County, OH | Oil & Gas Property | Jun 2025 |
| 222 | WHITED | Perry County, OH | Oil & Gas Property | Dec 2023 |
| 223 | WHITEHILL 10-8-2 | Jefferson County, OH | Gas Property | Jun 2025 |
| 224 | WHITELEATHER | Mahoning County, OH | Oil & Gas Property | Dec 2024 |
| 225 | WHITELY | Ashtabula County, OH | Oil & Gas Property | Dec 2024 |
| 226 | WHITING | Geauga County, OH | Oil & Gas Property | Dec 2010 |
| 227 | WHITLEY (KNOCH) | Washington County, OH | Oil Property | Dec 2024 |
| 228 | WHITMER | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 229 | WHITMER | Perry County, OH | Oil & Gas Property | Dec 2010 |
| 230 | WHITMORE | Wayne County, OH | Oil & Gas Property | Dec 2024 |
| 231 | WHITTLESEY | Portage County, OH | Oil & Gas Property | Dec 2024 |
| 232 | WHYDE ROBERT | Licking County, OH | Oil Property | Dec 2024 |
| 233 | WIANDT | Wayne County, OH | Oil & Gas Property | Dec 2007 |
| 234 | WIANDT 12-13-6 | Carroll County, OH | Oil & Gas Property | Jun 2025 |
| 235 | WICKENS | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 236 | WICKERSHAM | Columbiana County, OH | Oil & Gas Property | Dec 2024 |
| 237 | WIDDER UNIT | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 238 | WIGGINS | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 239 | WIGTON | Muskingum County, OH | Oil & Gas Property | Dec 2022 |
| 240 | WILBUR SKINNER | Muskingum County, OH | Oil & Gas Property | Dec 2024 |
| 241 | WILCOX | Portage County, OH | Oil & Gas Property | Dec 2024 |
| 242 | WILCOX | Mahoning County, OH | Oil & Gas Property | Dec 2024 |
| 243 | WILES | Wayne County, OH | Oil & Gas Property | Dec 2024 |
| 244 | WILES | Mahoning County, OH | Oil & Gas Property | Dec 2024 |
| 245 | WILEY | Monroe County, OH | Gas Property | Jun 2025 |
| 246 | WILFRED & MARY MILLER | Washington County, OH | Oil & Gas Property | Dec 2019 |
| 247 | WILHELM | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 248 | WILHELM | Monroe County, OH | Oil & Gas Property | Dec 2010 |
| 249 | WILIAMS CR MON 6H | Carroll County, OH | Oil & Gas Property | Jun 2025 |
| 250 | WILKINS | Muskingum County, OH | Oil & Gas Property | Dec 2023 |
| 251 | WILLEN | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 252 | WILLIAM | Hocking County, OH | Oil & Gas Property | Dec 1989 |
| 253 | WILLIAM | Muskingum County, OH | Oil & Gas Property | Dec 2019 |
| 254 | WILLIAM | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 255 | WILLIAM | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 256 | WILLIAM | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 257 | WILLIAM | Licking County, OH | Oil & Gas Property | Dec 2024 |
| 258 | WILLIAM | Ashtabula County, OH | Oil & Gas Property | Dec 2024 |
| 259 | WILLIAM | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 260 | WILLIAM CLEGG | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 261 | WILLIAM DENOON 17-12-6 | Harrison County, OH | Oil & Gas Property | Jun 2025 |
| 262 | WILLIAM E | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 263 | WILLIAM F. MANSFIELD | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 264 | WILLIAM L. MCDONALD | Licking County, OH | Oil & Gas Property | Dec 2020 |
| 265 | WILLIAM OWINGS | Perry County, OH | Oil Property | Dec 1986 |
| 266 | WILLIAM P. HERMAN ETAL | Holmes County, OH | Oil & Gas Property | Dec 2024 |
| 267 | WILLIAM PHILLIPS 1-13-6 | Harrison County, OH | Oil & Gas Property | Jun 2025 |
| 268 | WILLIAM STRICK | Licking County, OH | Oil Property | Dec 2024 |
| 269 | WILLIAM W. & NANCY A. BAKER | Fairfield County, OH | Oil & Gas Property | Dec 1989 |
| 270 | WILLIAM WOOLF | Columbiana County, OH | Oil & Gas Property | Dec 2024 |
| 271 | WILLIAMS | Morgan County, OH | Oil & Gas Property | Dec 2024 |
| 272 | WILLIAMS | Perry County, OH | Oil & Gas Property | Dec 2005 |
| 273 | WILLIAMS | Guernsey County, OH | Oil & Gas Property | Dec 2023 |
| 274 | WILLIAMS | Noble County, OH | Gas Property | Dec 2023 |
| 275 | WILLIAMS | Meigs County, OH | Oil & Gas Property | Dec 2024 |
| 276 | WILLIAMS | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 277 | WILLIAMS | Noble County, OH | Oil & Gas Property | Dec 2020 |
| 278 | WILLIAMS | Licking County, OH | Oil & Gas Property | Dec 2022 |
| 279 | WILLIAMS | Trumbull County, OH | Oil & Gas Property | Dec 2024 |
| 280 | WILLIAMS | Washington County, OH | Oil & Gas Property | Dec 2010 |
| 281 | WILLIAMS | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 282 | WILLIAMS | Hocking County, OH | Oil Property | Dec 2007 |
| 283 | WILLIAMS | Carroll County, OH | Oil & Gas Property | Jun 2025 |
| 284 | WILLIAMS | Muskingum County, OH | Oil & Gas Property | Dec 2024 |
| 285 | WILLIAMS | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 286 | WILLIAMS | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 287 | WILLIAMS | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 288 | WILLIAMSON | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 289 | WILLIAMSON | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 290 | WILLIAMSON | Muskingum County, OH | Oil & Gas Property | Dec 2007 |
| 291 | WILLIAMSON | Meigs County, OH | Oil & Gas Property | Nov 2021 |
| 292 | WILLIAMSON 12-10-3 | Jefferson County, OH | Gas Property | Jun 2025 |
| 293 | WILLISON | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 294 | WILLISTON | Muskingum County, OH | Oil & Gas Property | Dec 2023 |
| 295 | WILLISTON OIL & DEVELOPMENT CORP | Muskingum County, OH | Oil & Gas Property | Dec 2022 |
| 296 | WILLOWBROOK | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 297 | WILLOWBROOK COAL | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 298 | WILLS | Licking County, OH | Oil & Gas Property | Dec 2019 |
| 299 | WILLS | Summit County, OH | Oil & Gas Property | Dec 2020 |
| 300 | WILLS/RICHFIELD | Summit County, OH | Oil & Gas Property | Dec 2000 |