| 301 | NARSELLA 19 | Creek County, OK | Oil & Gas Property | Aug 2015 |
| 302 | NARVIK 1-35H | Billings County, ND | Oil & Gas Property | Apr 2025 |
| 303 | NASH | Union County, AR | Oil Property | May 2022 |
| 304 | NASH | Texas County, OK | Gas Property | Feb 2025 |
| 305 | NASH | Throckmorton County, TX | Oil & Gas Property | Feb 2025 |
| 306 | NASH | Texas County, OK | Oil & Gas Property | Feb 2025 |
| 307 | NASH | Stephens County, OK | Oil & Gas Property | Feb 2025 |
| 308 | NASH | Jack County, TX | Oil & Gas Property | Mar 2025 |
| 309 | NASH | Okmulgee County, OK | Oil & Gas Property | Nov 2024 |
| 310 | NASH | Major County, OK | Oil & Gas Property | May 2010 |
| 311 | NASH | Pittsburg County, OK | Oil & Gas Property | Feb 2025 |
| 312 | NASH | Williams County, ND | Oil & Gas Property | Apr 2025 |
| 313 | NASH | Palo Pinto County, TX | Oil & Gas Property | Feb 2021 |
| 314 | NASH | Wise County, TX | Oil & Gas Property | Mar 2025 |
| 315 | NASH | Grayson County, KY | Gas Property | Oct 2023 |
| 316 | NASH | Leon County, TX | Oil & Gas Property | Feb 2025 |
| 317 | NASH | Texas County, OK | Gas Property | Feb 2025 |
| 318 | NASH | Jack County, TX | Oil & Gas Property | Mar 2025 |
| 319 | NASH 15-22 #6H | Williams County, ND | Oil & Gas Property | Apr 2025 |
| 320 | NASH A. E. -A | Throckmorton County, TX | Oil & Gas Property | Jan 2021 |
| 321 | NASH UNIT | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 322 | NASH WOOD | Seminole County, OK | Oil Property | Feb 2025 |
| 323 | NASH-BILLINGSLEY | Wise County, TX | Oil & Gas Property | Mar 2025 |
| 324 | NASH-BURGESS LE 22-15 #1H | Williams County, ND | Oil & Gas Property | Apr 2025 |
| 325 | NASHVILLE | Williams County, ND | Oil & Gas Property | Apr 2025 |
| 326 | NASHVILLE COAL | Ohio County, KY | Oil Property | Nov 2023 |
| 327 | NASON KINCHE | Rosebud County, MT | Oil Property | Jul 2023 |
| 328 | NASSAU | San Juan County, NM | Oil & Gas Property | Sep 2018 |
| 329 | NASSAU HALL | Glasscock County, TX | Oil & Gas Property | Mar 2025 |
| 330 | NATALEE | Harper County, OK | Oil & Gas Property | Feb 2025 |
| 331 | NATALIE | Milam County, TX | Oil & Gas Property | Mar 2025 |
| 332 | NATALIE | Caddo Parish, LA | Oil Property | Nov 2024 |
| 333 | NATALIE | Carter County, OK | Oil & Gas Property | Feb 2025 |
| 334 | NATALIE | Beckham County, OK | Gas Property | Dec 2016 |
| 335 | NATALIE | Billings County, ND | Oil & Gas Property | Apr 2025 |
| 336 | NATANI | Sandoval County, NM | Gas Property | Oct 2019 |
| 337 | NATASHA | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 338 | NATASHA FEDERAL COM 4H | Campbell County, WY | Oil & Gas Property | Apr 2025 |
| 339 | NATCHEZ PORT | Adams County, MS | Oil Property | Jun 1983 |
| 340 | NATCO | Stark County, OH | Oil & Gas Property | Dec 2023 |
| 341 | NATCO | Hocking County, OH | Oil & Gas Property | Dec 2024 |
| 342 | NATCO CORP | Carroll County, OH | Oil & Gas Property | Dec 2021 |
| 343 | NATE | Divide County, ND | Oil & Gas Property | Apr 2025 |
| 344 | NATE 6-7-18-19 | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 345 | NATHAN | Martin County, TX | Oil & Gas Property | Mar 2025 |
| 346 | NATHAN D. YODER, ET AL YODER | Marshall County, WV | Oil & Gas Property | Dec 2021 |
| 347 | NATHAN NOVICK | Niobrara County, WY | Oil & Gas Property | Apr 2021 |
| 348 | NATHAN WILLIAMS JR | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 349 | NATHANIEL 1-3 | Woods County, OK | Oil & Gas Property | Feb 2025 |
| 350 | NATHANIEL MEANS | Indiana County, PA | Gas Property | Dec 2024 |
| 351 | NATHO | Karnes County, TX | Oil & Gas Property | Mar 2025 |
| 352 | NATHO | Dewitt County, TX | Oil & Gas Property | Mar 2025 |
| 353 | NATHO UNIT A | Karnes County, TX | Oil & Gas Property | Mar 2025 |
| 354 | NATION | Cumberland County, KY | Oil Property | Sep 2014 |
| 355 | NATION | McIntosh County, OK | Gas Property | Feb 2025 |
| 356 | NATION | Grant Parish, LA | Oil Property | Jul 2017 |
| 357 | NATION 3W-4H-TF | McKenzie County, ND | Oil & Gas Property | Apr 2025 |
| 358 | NATIONAL | Gray County, TX | Oil & Gas Property | Dec 2016 |
| 359 | NATIONAL | Kern County, CA | Oil & Gas Property | Apr 2025 |
| 360 | NATIONAL DEVELOPMENT-MERZOIAN | Tulare County, CA | Oil & Gas Property | Mar 2025 |
| 361 | NATIONAL FOREST | Houston County, TX | Oil & Gas Property | Feb 2025 |
| 362 | NATIONAL FORGE | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 363 | NATIONAL FUEL FARMOUT | Venango County, PA | Gas Property | Dec 2024 |
| 364 | NATIONAL FUEL GAS | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 365 | NATIONAL GASOLINE | Adams County, MS | Oil Property | Mar 1986 |
| 366 | NATIONAL HOG FARM | Weld County, CO | Oil & Gas Property | Jun 2022 |
| 367 | NATIONAL LOAN | Ellis County, KS | Oil Property | Feb 2025 |
| 368 | NATIONAL METALS | Westmoreland County, PA | Gas Property | Mar 2025 |
| 369 | NATIONAL MINES | Fayette County, PA | Oil & Gas Property | Mar 2025 |
| 370 | NATIONAL NOR | Mahoning County, OH | Oil & Gas Property | Dec 2024 |
| 371 | NATIONAL NORTHERN INC | Trumbull County, OH | Oil & Gas Property | Dec 2024 |
| 372 | NATIONAL NORTHERN INC | Trumbull County, OH | Oil & Gas Property | Dec 2024 |
| 373 | NATIONAL OIL | Kern County, CA | Oil & Gas Property | Apr 2025 |
| 374 | NATIONAL PETE | Bastrop County, TX | Oil & Gas Property | Feb 2025 |
| 375 | NATIONAL TIMBER PARTNERS W | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 376 | NATIONAL TIMBER PARTNERS WV2 3298 | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 377 | NATIONS | Columbia County, AR | Oil & Gas Property | May 2005 |
| 378 | NATIONS | Columbia County, AR | Oil & Gas Property | Jun 2023 |
| 379 | NATIONS | Grady County, OK | Oil & Gas Property | Feb 2023 |
| 380 | NATIVE DANCER 1525-28 | Chaves County, NM | Oil & Gas Property | Dec 2024 |
| 381 | NATIVE SON | Rio Arriba County, NM | Oil & Gas Property | Apr 2025 |
| 382 | NATL FORGE | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 383 | NATL FUEL GAS SUPPLY CORP FARM OUT | Potter County, PA | Gas Property | Dec 2017 |
| 384 | NATL FUEL GAS WARRANT | Forest County, PA | Oil & Gas Property | Dec 2024 |
| 385 | NATL GAS | Adams County, MS | Oil & Gas Property | Feb 2025 |
| 386 | NATL GAS CO OF LA | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 387 | NATL HOG F | Weld County, CO | Oil & Gas Property | Jun 2017 |
| 388 | NATOMA | Rooks County, KS | Oil Property | Feb 2025 |
| 389 | NATOMAS I.O.C | Yolo County, CA | Gas Property | Feb 2003 |
| 390 | NATTIER | Harvey County, KS | Oil Property | Dec 2024 |
| 391 | NATURAL | Uintah County, UT | Oil & Gas Property | Mar 2025 |
| 392 | NATURAL | Uintah County, UT | Oil & Gas Property | Jan 2023 |
| 393 | NATURAL RESOURCE PARTNERS | Logan County, WV | Gas Property | Dec 2009 |
| 394 | NATURAL RESOURCES | Crawford County, PA | Gas Property | Dec 2024 |
| 395 | NATURAL RESOURCES | Union County, AR | Oil & Gas Property | Aug 1998 |
| 396 | NATURAL RESOURCES | Union County, AR | Oil & Gas Property | Sep 1994 |
| 397 | NATURAL RESOURCES D | Mercer County, WV | Gas Property | Dec 2021 |
| 398 | NATURAL STEAM ENERGY | Jackson County, WV | Oil & Gas Property | Dec 2021 |
| 399 | NATURE BOY | Garvin County, OK | Oil & Gas Property | Feb 2025 |
| 400 | NATURE BOY | Lycoming County, PA | Gas Property | Mar 2025 |