| 301 | ZIMMER-MCGREGOR FEE | Kern County, CA | Oil Property | Feb 1991 |
| 302 | ZIMMERER | Cooke County, TX | Oil & Gas Property | Apr 2025 |
| 303 | ZIMMERHANZEL | Webb County, TX | Oil & Gas Property | Apr 2025 |
| 304 | ZIMMERHANZEL | Fayette County, TX | Oil & Gas Property | Apr 2025 |
| 305 | ZIMMERLI 05 074 0 | Bradford County, PA | Gas Property | May 2025 |
| 306 | ZIMMERLY | Wayne County, OH | Oil & Gas Property | Dec 2024 |
| 307 | ZIMMERLY | Erie County, PA | Gas Property | Dec 2024 |
| 308 | ZIMMERMAN | Jefferson County, PA | Gas Property | Dec 2024 |
| 309 | ZIMMERMAN | Wayne County, OH | Oil & Gas Property | Dec 2023 |
| 310 | ZIMMERMAN | Yates County, NY | Gas Property | Dec 2024 |
| 311 | ZIMMERMAN | Weld County, CO | Oil & Gas Property | Feb 2022 |
| 312 | ZIMMERMAN | Bay County, MI | Oil Property | Jun 2025 |
| 313 | ZIMMERMAN | Eastland County, TX | Oil & Gas Property | Mar 2025 |
| 314 | ZIMMERMAN | Venango County, PA | Oil Property | Dec 2024 |
| 315 | ZIMMERMAN | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 316 | ZIMMERMAN | Tuscarawas County, OH | Oil & Gas Property | Dec 2016 |
| 317 | ZIMMERMAN | Harper County, KS | Oil & Gas Property | Feb 2003 |
| 318 | ZIMMERMAN | Rush County, KS | Oil Property | Mar 2025 |
| 319 | ZIMMERMAN | Chaves County, NM | Oil Property | Mar 2018 |
| 320 | ZIMMERMAN | Seneca County, NY | Gas Property | Dec 2024 |
| 321 | ZIMMERMAN | Wayne County, OH | Oil & Gas Property | Dec 1991 |
| 322 | ZIMMERMAN | Rush County, KS | Oil Property | Mar 2025 |
| 323 | ZIMMERMAN | Toole County, MT | Oil Property | May 2025 |
| 324 | ZIMMERMAN | Divide County, ND | Oil & Gas Property | May 2025 |
| 325 | ZIMMERMAN | Le Flore County, OK | Gas Property | Apr 2025 |
| 326 | ZIMMERMAN | Linn County, KS | Oil Property | Jan 2025 |
| 327 | ZIMMERMAN | Conway County, AR | Gas Property | Jul 2024 |
| 328 | ZIMMERMAN | Chautauqua County, KS | Oil Property | Sep 1999 |
| 329 | ZIMMERMAN | Le Flore County, OK | Gas Property | Aug 2024 |
| 330 | ZIMMERMAN | Stevens County, KS | Gas Property | Mar 2025 |
| 331 | ZIMMERMAN | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 332 | ZIMMERMAN | Ford County, KS | Oil & Gas Property | Mar 2025 |
| 333 | ZIMMERMAN | Kiowa County, KS | Oil Property | Mar 2025 |
| 334 | ZIMMERMAN | Roosevelt County, MT | Oil Property | Jul 1986 |
| 335 | ZIMMERMAN | Butler County, KS | Oil Property | Jun 2023 |
| 336 | ZIMMERMAN | Caddo Parish, LA | Gas Property | Dec 2024 |
| 337 | ZIMMERMAN | Shelby County, OH | Oil Property | Dec 2024 |
| 338 | ZIMMERMAN | Williams County, ND | Oil & Gas Property | Aug 2015 |
| 339 | ZIMMERMAN | Toole County, MT | Oil Property | May 2025 |
| 340 | ZIMMERMAN | Roosevelt County, MT | Oil & Gas Property | Jul 2018 |
| 341 | ZIMMERMAN | Chautauqua County, KS | Gas Property | Jul 2011 |
| 342 | ZIMMERMAN | Ellis County, KS | Oil Property | Oct 2024 |
| 343 | ZIMMERMAN | Manistee County, MI | Oil & Gas Property | Jun 2025 |
| 344 | ZIMMERMAN 13-1 | Glacier County, MT | Gas Property | May 2025 |
| 345 | ZIMMERMAN 33 | Garfield County, CO | Oil & Gas Property | May 2025 |
| 346 | ZIMMERMAN BUTTE | Hot Springs County, WY | Oil Property | May 2018 |
| 347 | ZIMMERMAN REALTY | Toole County, MT | Oil & Gas Property | May 2025 |
| 348 | ZIMMERMAN UNIT | Gonzales County, TX | Oil & Gas Property | Apr 2025 |
| 349 | ZIMMERMAN, ANTOINETTE 08-16 | Conway County, AR | Gas Property | Jul 2024 |
| 350 | ZIMMERMAN, ROBERT & O KUESTER K | Union County, KY | Oil Property | Nov 2014 |
| 351 | ZIMMERMAN, SAM | Pulaski County, KY | Oil Property | Nov 2015 |
| 352 | ZIMMERMAN-KUESTER | Union County, KY | Oil Property | Nov 2014 |
| 353 | ZIMMERS | Elk County, KS | Oil Property | Feb 1986 |
| 354 | ZIMMERSCHIED | Crook County, WY | Oil Property | Jul 2021 |
| 355 | ZIMNOX S | Jefferson County, OH | Gas Property | Mar 2025 |
| 356 | ZINC 147-93-09D-04H | Dunn County, ND | Oil & Gas Property | May 2025 |
| 357 | ZINCK UNIT | Lycoming County, PA | Gas Property | May 2025 |
| 358 | ZINE 12-1 #1H | Williams County, ND | Oil & Gas Property | May 2025 |
| 359 | ZINFANDEL | Martin County, TX | Oil & Gas Property | Apr 2025 |
| 360 | ZINFANDEL | Baylor County, TX | Oil & Gas Property | Apr 2025 |
| 361 | ZINGARA | Grimes County, TX | Oil & Gas Property | Apr 2025 |
| 362 | ZINGARO ANG FEDERAL | Eddy County, NM | Oil & Gas Property | Dec 2019 |
| 363 | ZINGER | Kingfisher County, OK | Oil & Gas Property | Apr 2025 |
| 364 | ZINK | Mecosta County, MI | Oil & Gas Property | May 2025 |
| 365 | ZINK | Reno County, KS | Oil & Gas Property | Mar 2025 |
| 366 | ZINK | Rice County, KS | Oil Property | Mar 2025 |
| 367 | ZINK | Barton County, KS | Oil Property | Mar 2025 |
| 368 | ZINK | Pratt County, KS | Oil & Gas Property | Mar 2025 |
| 369 | ZINK | Cattaraugus County, NY | Oil Property | Dec 2024 |
| 370 | ZINK FOUNDATION | Osage County, OK | Gas Property | Apr 2025 |
| 371 | ZINN | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 372 | ZINN | Fayette County, PA | Gas Property | May 2025 |
| 373 | ZINN | Ritchie County, WV | Oil & Gas Property | Nov 2021 |
| 374 | ZINN, FELIX - HEIRS | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 375 | ZINN, FRED W., ETAL | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 376 | ZINN, MANLEY | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 377 | ZINN, PAULINE | Ritchie County, WV | Oil & Gas Property | Nov 2021 |
| 378 | ZINN, SCOTT | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 379 | ZINN, VIRGIL | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 380 | ZINSER | Montgomery County, KS | Oil Property | Apr 1991 |
| 381 | ZIOLKOWSKI RAY 11771 | Allegheny County, PA | Gas Property | May 2025 |
| 382 | ZION | Gonzales County, TX | Oil & Gas Property | Apr 2025 |
| 383 | ZION | Yuma County, CO | Gas Property | May 2025 |
| 384 | ZION 13-24-12-6 | Canadian County, OK | Oil & Gas Property | Apr 2025 |
| 385 | ZION 15 | Howard County, TX | Oil & Gas Property | May 2025 |
| 386 | ZION 1715 | Dewey County, OK | Oil & Gas Property | Apr 2025 |
| 387 | ZION 33 | Fisher County, TX | Oil & Gas Property | Apr 2025 |
| 388 | ZION 55-1-17 | Loving County, TX | Oil & Gas Property | Apr 2025 |
| 389 | ZION ANGELS | Washington County, TX | Oil & Gas Property | Apr 2025 |
| 390 | ZION CANYON | Washington County, TX | Oil & Gas Property | Apr 2025 |
| 391 | ZION EMERALD | Washington County, TX | Oil & Gas Property | Apr 2025 |
| 392 | ZION GROTTO | Washington County, TX | Oil & Gas Property | Apr 2025 |
| 393 | ZION LODGE | Washington County, TX | Oil & Gas Property | Apr 2025 |
| 394 | ZION NARROWS | Washington County, TX | Oil & Gas Property | Apr 2025 |
| 395 | ZION RIVER | Washington County, TX | Oil & Gas Property | Apr 2025 |
| 396 | ZIONS FED | Emery County, UT | Gas Property | May 2025 |
| 397 | ZIP 74 | Hardeman County, TX | Oil & Gas Property | Apr 2025 |
| 398 | ZIPP RANCH 34 | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 399 | ZIPPERER UNIT | Pittsburg County, OK | Gas Property | Apr 2025 |
| 400 | ZIPSE 1 | Caddo County, OK | Oil & Gas Property | Apr 2025 |