| 201 | W ORR | Fayette County, PA | Gas Property | Dec 2025 |
| 202 | W P BYRD | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 203 | W P BYRD BATTERY | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 204 | W P GRAFF | Indiana County, PA | Gas Property | Dec 2025 |
| 205 | W P HEADLEY | Woodson County, KS | Oil Property | May 2026 |
| 206 | W P LERBLANCE UNIT | Latimer County, OK | Gas Property | Jun 2026 |
| 207 | W P MOWR | Armstrong County, PA | Gas Property | Dec 2025 |
| 208 | W P STILES | Caddo Parish, LA | Oil Property | Jan 2025 |
| 209 | W P STILES | Caddo Parish, LA | Oil Property | Jan 2025 |
| 210 | W POINT FED | Duchesne County, UT | Oil & Gas Property | Jul 2026 |
| 211 | W R SMITH | Westmoreland County, PA | Gas Property | Dec 2025 |
| 212 | W R THOMPSON | Armstrong County, PA | Gas Property | Dec 2025 |
| 213 | W ROBERTS | Mercer County, PA | Oil Property | Dec 2025 |
| 214 | W ROSS | Clearfield County, PA | Gas Property | Dec 2025 |
| 215 | W S BAILEY | Creek County, OK | Oil Property | May 2026 |
| 216 | W S BLACK ET AL | Indiana County, PA | Gas Property | Dec 2025 |
| 217 | W S BURKLAND | Fayette County, PA | Oil & Gas Property | Dec 2025 |
| 218 | W S GRIFFIN 1 | Big Horn County, WY | Oil & Gas Property | Jul 2026 |
| 219 | W S MINERALS | Tarrant County, TX | Gas Property | Jun 2026 |
| 220 | W S PRESTON ET AL | Webster Parish, LA | Oil Property | Mar 1997 |
| 221 | W SCHULTZ UNIT | Tarrant County, TX | Gas Property | Jun 2026 |
| 222 | W SHOWALTER | Tioga County, PA | Gas Property | Jun 2026 |
| 223 | W SMITH | Jefferson County, PA | Gas Property | Dec 2025 |
| 224 | W ST NW 36 UNIT | Midland County, TX | Oil & Gas Property | Jun 2026 |
| 225 | W STATE | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 226 | W STEELE SHAW | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 227 | W SUMATRA | Rosebud County, MT | Oil Property | Jul 1986 |
| 228 | W T & S W OWENS | Claiborne Parish, LA | Oil & Gas Property | Nov 2024 |
| 229 | W T ALABRAN | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 230 | W T FORD | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 231 | W T HUMPHREY | Stephens County, OK | Oil & Gas Property | Jun 2026 |
| 232 | W T LAUGHLIN | Payne County, OK | Oil Property | Jun 2026 |
| 233 | W T MAHAFFEY-DT MITCHELL | Clearfield County, PA | Gas Property | Dec 2025 |
| 234 | W T MCCOMACK | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 235 | W T MILLER | Union Parish, LA | Gas Property | Jul 2024 |
| 236 | W T OWENS | Claiborne Parish, LA | Oil & Gas Property | Nov 2024 |
| 237 | W T SANDLIN UNIT I LAS | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 238 | W T SHINN | St. Mary Parish, LA | Oil & Gas Property | Aug 2019 |
| 239 | W THOMAS MALCOLM EXR EST OF HELEN RI | Indiana County, PA | Gas Property | Dec 2025 |
| 240 | W UNIT | Weston County, WY | Oil & Gas Property | Jul 2026 |
| 241 | W UNIT DITTUS FEE 9 | Weston County, WY | Oil & Gas Property | Jul 2026 |
| 242 | W UNIT JESSE FEE | Weston County, WY | Oil & Gas Property | Jul 2024 |
| 243 | W UNIT RINEHART | Weston County, WY | Oil & Gas Property | Jul 2026 |
| 244 | W UNIT STIRLING FEE 100 | Weston County, WY | Oil & Gas Property | Jul 2026 |
| 245 | W UNIT THOMPSON FEE | Weston County, WY | Oil & Gas Property | Jun 2025 |
| 246 | W UNIT WALTERS | Weston County, WY | Oil & Gas Property | Jul 2026 |
| 247 | W VA PULP & PAPER CO | Cameron County, PA | Gas Property | Dec 2021 |
| 248 | W W ADAMS | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 249 | W W ATKINSON | Seminole County, OK | Oil Property | Jun 2026 |
| 250 | W W HAMILTON | Lea County, NM | Oil & Gas Property | Mar 2021 |
| 251 | W W HOLMAN | Fisher County, TX | Oil & Gas Property | Jun 2026 |
| 252 | W W LITKE | Centre County, PA | Oil & Gas Property | Jun 2026 |
| 253 | W W SWANK | Westmoreland County, PA | Gas Property | Dec 2025 |
| 254 | W W WEATHERLY | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 255 | W W WILSON | Sweetwater County, WY | Oil & Gas Property | Jun 2026 |
| 256 | W WATSON | Bienville Parish, LA | Oil & Gas Property | Dec 2024 |
| 257 | W WAYNE | Union Parish, LA | Gas Property | Jun 2024 |
| 258 | W Y DILL | Stephens County, OK | Oil Property | Jun 2026 |
| 259 | W Y DILLEY | Marshall County, OK | Oil & Gas Property | Apr 2026 |
| 260 | W ZICK | Susquehanna County, PA | Gas Property | Jun 2026 |
| 261 | W&A FARLOW TR | Montgomery County, KS | Gas Property | May 2026 |
| 262 | W-015815 GRIEVE UNIT 13 | Natrona County, WY | Oil & Gas Property | Jun 2026 |
| 263 | W-B RANCH | Shackelford County, TX | Oil & Gas Property | Sep 2025 |
| 264 | W-Y STATE | Yuma County, CO | Gas Property | May 2026 |
| 265 | W. A. ASKEY B | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 266 | W. A. DELANEY | Lamar County, AL | Oil & Gas Property | Mar 2026 |
| 267 | W. A. KEILS GAS UNIT | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 268 | W. AND A. FARLOW TRUST | Montgomery County, KS | Oil & Gas Property | Dec 2025 |
| 269 | W. B. CRAWFORD | Stevens County, KS | Gas Property | May 2026 |
| 270 | W. B. CRAWFORD UNIT 2 | Stevens County, KS | Gas Property | May 2026 |
| 271 | W. B. CROSS 'B' | Edwards County, KS | Oil & Gas Property | May 2026 |
| 272 | W. B. SCHERLING | Grant County, KS | Oil Property | May 2026 |
| 273 | W. BUTLER A | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 274 | W. BUTLER A-E. BUTLER A SA | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 275 | W. BYRD YEANY JR | Armstrong County, PA | Gas Property | Dec 2025 |
| 276 | W. C. DODGE | McKenzie County, ND | Oil & Gas Property | Mar 1982 |
| 277 | W. C. GRANDSTAFF UNIT | Grant County, KS | Gas Property | May 2026 |
| 278 | W. C. LIGHT | Morton County, KS | Gas Property | May 2026 |
| 279 | W. C. LIGHT | Stevens County, KS | Gas Property | May 2026 |
| 280 | W. C. TYRRELL UNIT | Pecos County, TX | Oil & Gas Property | Jun 2026 |
| 281 | W. CRANE | McPherson County, KS | Oil Property | Sep 2018 |
| 282 | W. CULLEN | Holmes County, OH | Oil & Gas Property | Dec 1995 |
| 283 | W. DEARTH | Muskingum County, OH | Oil & Gas Property | Dec 1989 |
| 284 | W. DELAMATER HCX | Burleson County, TX | Oil & Gas Property | May 2026 |
| 285 | W. E. COWDEN | Ector County, TX | Oil & Gas Property | Jun 2026 |
| 286 | W. E. DAVIS | Grant County, KS | Gas Property | May 2026 |
| 287 | W. E. DAVIS GAS UNIT | Grant County, KS | Gas Property | May 2026 |
| 288 | W. F. DUBOIS 6 | Potter County, PA | Gas Property | Dec 2017 |
| 289 | W. G. BERRY | Woodson County, KS | Oil Property | May 2026 |
| 290 | W. GATES | Stafford County, KS | Oil Property | Feb 2026 |
| 291 | W. H. BUSH B | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 292 | W. H. DAY ET AL GAS UNIT #1 | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 293 | W. H. EMRIE | Stevens County, KS | Gas Property | May 2026 |
| 294 | W. H. SELLENS | Russell County, KS | Oil Property | May 2026 |
| 295 | W. H. SULLIVAN | Morton County, KS | Gas Property | May 2026 |
| 296 | W. HERRICK 1 | Stanton County, KS | Gas Property | May 2026 |
| 297 | W. I. PADEN | Stevens County, KS | Gas Property | May 2026 |
| 298 | W. J. DAVIS | Stevens County, KS | Gas Property | May 2026 |
| 299 | W. J. FOX | Refugio County, TX | Oil & Gas Property | Jan 2022 |
| 300 | W. J. FOX | Stevens County, KS | Gas Property | May 2026 |