| 138301 | Z-BAR RANCH | Barber County, KS | Gas Property | Dec 2020 |
| 138302 | Z-BAR RANCH 1 | Barber County, KS | Gas Property | Jan 2016 |
| 138303 | Z-BARCATTLE | Barber County, KS | Oil & Gas Property | Mar 2011 |
| 138304 | Z. GOULD | Hamilton County, KS | Gas Property | May 2001 |
| 138305 | Z.A (CITY OF ZANESVILLE) | Muskingum County, OH | Oil & Gas Property | Dec 2023 |
| 138306 | ZABKA | Weld County, CO | Oil & Gas Property | Apr 2018 |
| 138307 | ZABKA K 2 | Weld County, CO | Oil & Gas Property | Dec 2020 |
| 138308 | ZABOLOTNY | Billings County, ND | Oil & Gas Property | Jul 2024 |
| 138309 | ZABOLOTNY OBSERVATION | Billings County, ND | Oil & Gas Property | Jul 2024 |
| 138310 | ZACATE UNIT 151-152 | Reeves County, TX | Oil & Gas Property | Jun 2024 |
| 138311 | ZACAWEISTA UNIT | Wilbarger County, TX | Oil & Gas Property | Jun 2024 |
| 138312 | ZACCHAEUS 3 UNIT | Reeves County, TX | Oil & Gas Property | Jun 2024 |
| 138313 | ZACH | Parker County, TX | Oil & Gas Property | Jun 2024 |
| 138314 | ZACH 17 8 FEDERAL COM | Lea County, NM | Oil & Gas Property | Jun 2024 |
| 138315 | ZACH 17 8 W0MD FEDERAL COM | Lea County, NM | Oil & Gas Property | Jun 2024 |
| 138316 | ZACH 17 8 W1 | Lea County, NM | Oil & Gas Property | Jun 2024 |
| 138317 | ZACH 17 FEDERAL | Lea County, NM | Oil & Gas Property | Jun 2024 |
| 138318 | ZACH 17 W0NC FEDERAL | Lea County, NM | Oil & Gas Property | Jun 2024 |
| 138319 | ZACH C 11 | Weld County, CO | Oil & Gas Property | Sep 2016 |
| 138320 | ZACH MCCORMICK FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jun 2024 |
| 138321 | ZACHARY | Clay County, TX | Oil & Gas Property | Jun 2024 |
| 138322 | ZACHARY | Winkler County, TX | Oil & Gas Property | Jun 2024 |
| 138323 | ZACHARY | Montague County, TX | Oil & Gas Property | Jun 2024 |
| 138324 | ZACHARY | San Juan County, NM | Oil & Gas Property | Jul 2024 |
| 138325 | ZACHARY | Caddo County, OK | Oil Property | Feb 2024 |
| 138326 | ZACHER 1-24H | Mountrail County, ND | Oil & Gas Property | Jul 2024 |
| 138327 | ZACHERL UNIT 1H | Butler County, PA | Gas Property | Jul 2024 |
| 138328 | ZACHERY 14-10H | McKenzie County, ND | Oil & Gas Property | Jul 2024 |
| 138329 | ZACHGO | Logan County, OK | Oil & Gas Property | Jun 2024 |
| 138330 | ZACHMAN | Ellis County, KS | Oil Property | May 2024 |
| 138331 | ZACHMAN | Ellis County, KS | Oil Property | May 2024 |
| 138332 | ZACHOR | Toole County, MT | Oil Property | May 2024 |
| 138333 | ZACHRY | San Juan County, NM | Oil & Gas Property | Jun 2024 |
| 138334 | ZACHRY | Zapata County, TX | Gas Property | Jun 2024 |
| 138335 | ZACHRY | Webb County, TX | Oil & Gas Property | Jun 2024 |
| 138336 | ZACHRY | Zapata County, TX | Oil & Gas Property | Jun 2024 |
| 138337 | ZACHRY, E. B | Zapata County, TX | Oil & Gas Property | Jun 2024 |
| 138338 | ZACK | Coffey County, KS | Oil Property | Mar 2022 |
| 138339 | ZACKIE WALTERS | Grady County, OK | Oil & Gas Property | May 2024 |
| 138340 | ZACOUR | Armstrong County, PA | Gas Property | Dec 2023 |
| 138341 | ZADA CHAPMAN | Young County, TX | Oil Property | May 2022 |
| 138342 | ZADEL | Weld County, CO | Oil & Gas Property | Nov 2023 |
| 138343 | ZADOW | Richland County, MT | Oil & Gas Property | Jun 2024 |
| 138344 | ZAESKE-ECKOLS | Karnes County, TX | Oil & Gas Property | Jun 2024 |
| 138345 | ZAFT, VALENTINE | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 138346 | ZAGER | Weston County, WY | Oil & Gas Property | Jul 2024 |
| 138347 | ZAHN | Beaver County, PA | Gas Property | Jul 2024 |
| 138348 | ZAHN | Lamb County, TX | Oil & Gas Property | Jun 2024 |
| 138349 | ZAHNER | Washington County, OK | Oil Property | May 2024 |
| 138350 | ZAHORSKY | Barton County, KS | Oil Property | May 2024 |
| 138351 | ZAHORSKY | Woods County, OK | Oil & Gas Property | Jun 2023 |
| 138352 | ZAHORSKY | Woods County, OK | Oil & Gas Property | Jul 2024 |
| 138353 | ZAHOUREK | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 138354 | ZAHURSKY | Clearfield County, PA | Gas Property | Dec 2023 |
| 138355 | ZAIN 26 | Upton County, TX | Oil & Gas Property | Jun 2024 |
| 138356 | ZAIONTZ A | Karnes County, TX | Oil & Gas Property | Jun 2024 |
| 138357 | ZAIONTZ-OPIELA AA | Wilson County, TX | Oil & Gas Property | Jun 2024 |
| 138358 | ZAIONTZ-SHIRLEY ZAIONTZ A | Wilson County, TX | Oil & Gas Property | Jun 2024 |
| 138359 | ZAIT | Eddy County, NM | Oil Property | Jun 2022 |
| 138360 | ZAJIC | Barton County, KS | Oil Property | Nov 2021 |
| 138361 | ZAKAIB, PAUL JR | Kanawha County, WV | Oil Property | Sep 2002 |
| 138362 | ZALAC | Fayette County, PA | Gas Property | Jul 2024 |
| 138363 | ZALESKI | Bradford County, PA | Gas Property | Mar 2024 |
| 138364 | ZALESKY | Stark County, ND | Oil & Gas Property | Jul 2024 |
| 138365 | ZALMAN | Lavaca County, TX | Oil & Gas Property | Feb 2021 |
| 138366 | ZALOUDEK | Garfield County, OK | Oil & Gas Property | Jun 2024 |
| 138367 | ZALOUDEK | Garfield County, OK | Oil & Gas Property | Nov 2016 |
| 138368 | ZALOUDEK | Garfield County, OK | Gas Property | Jul 2024 |
| 138369 | ZALOUDEK | Garfield County, OK | Oil & Gas Property | Jun 2024 |
| 138370 | ZALOUDEK | Garfield County, OK | Oil & Gas Property | Jan 2021 |
| 138371 | ZALOUDIK | Canadian County, OK | Oil & Gas Property | Jul 2023 |
| 138372 | ZAMBESI | Eddy County, NM | Oil & Gas Property | Feb 2024 |
| 138373 | ZAMORA | Starr County, TX | Oil & Gas Property | Jun 2024 |
| 138374 | ZAMORA S SAND GU | Hidalgo County, TX | Oil & Gas Property | May 2023 |
| 138375 | ZAMORA UNIT | Hidalgo County, TX | Oil & Gas Property | Jun 2023 |
| 138376 | ZAMORA UNIT I | La Salle County, TX | Oil & Gas Property | Jun 2024 |
| 138377 | ZANDRA USA 11-3TFH-2B | McKenzie County, ND | Oil & Gas Property | Jul 2024 |
| 138378 | ZANE 32-24H | Dunn County, ND | Oil & Gas Property | Jul 2024 |
| 138379 | ZANE ABS FEDERAL | Chaves County, NM | Oil & Gas Property | Jun 2024 |
| 138380 | ZANE E IRVIN | Clearfield County, PA | Gas Property | Dec 2023 |
| 138381 | ZANE FEDERAL 21X-6 | McKenzie County, ND | Oil & Gas Property | Jul 2024 |
| 138382 | ZANETTI | Solano County, CA | Oil & Gas Property | Sep 2001 |
| 138383 | ZANGER | Miller County, AR | Oil Property | Jul 2024 |
| 138384 | ZANOLINI | Fresno County, CA | Oil & Gas Property | May 2004 |
| 138385 | ZANT | Howard County, TX | Oil & Gas Property | Jul 2019 |
| 138386 | ZANT | Martin County, TX | Oil & Gas Property | Jun 2024 |
| 138387 | ZANT | Glasscock County, TX | Oil & Gas Property | Jun 2024 |
| 138388 | ZANT BRIDGET 26 | Glasscock County, TX | Oil & Gas Property | Jun 2024 |
| 138389 | ZANT HURT BLALOCK | Glasscock County, TX | Oil & Gas Property | Jun 2024 |
| 138390 | ZANT VERTICAL | Glasscock County, TX | Oil & Gas Property | Jun 2024 |
| 138391 | ZANT WEYMAN | Glasscock County, TX | Oil & Gas Property | Jun 2024 |
| 138392 | ZAPATA TOWNSITE | Zapata County, TX | Oil & Gas Property | Jun 2024 |
| 138393 | ZAPP | La Salle County, TX | Oil & Gas Property | Jun 2024 |
| 138394 | ZAPPA | San Juan County, NM | Gas Property | Jun 2024 |
| 138395 | ZAPPE MARIE | Chambers County, TX | Oil & Gas Property | Jun 2024 |
| 138396 | ZAPPE UNIT | Gonzales County, TX | Oil & Gas Property | Jun 2024 |
| 138397 | ZAPPI CONSTANCE | Washington County, PA | Oil & Gas Property | Jun 2024 |
| 138398 | ZAPPI EDWARD UNIT | Washington County, PA | Gas Property | Jun 2024 |
| 138399 | ZAPPI PETE UNIT | Washington County, PA | Gas Property | Jun 2024 |
| 138400 | ZARAFA FF FEDERAL | Eddy County, NM | Oil & Gas Property | Oct 2014 |