| 140501 | ZACH 17 8 A2 | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 140502 | ZACH 17 8 B2NC FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 140503 | ZACH 17 8 FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 140504 | ZACH 17 8 W0MD FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 140505 | ZACH 17 8 W1 | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 140506 | ZACH 17 FEDERAL | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 140507 | ZACH 17 W0NC FEDERAL | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 140508 | ZACH C 11 | Weld County, CO | Oil & Gas Property | Sep 2016 |
| 140509 | ZACH MCCORMICK FEDERAL COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 140510 | ZACHARY | Clay County, TX | Oil & Gas Property | Feb 2026 |
| 140511 | ZACHARY | Winkler County, TX | Oil & Gas Property | Mar 2026 |
| 140512 | ZACHARY | Montague County, TX | Oil & Gas Property | Mar 2026 |
| 140513 | ZACHARY | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 140514 | ZACHARY | Caddo County, OK | Oil Property | Mar 2026 |
| 140515 | ZACHERL UNIT 1H | Butler County, PA | Gas Property | Mar 2026 |
| 140516 | ZACHERY 14-10H | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 140517 | ZACHGO | Logan County, OK | Oil & Gas Property | Mar 2026 |
| 140518 | ZACHMAN | Ellis County, KS | Oil Property | Jan 2026 |
| 140519 | ZACHMAN | Ellis County, KS | Oil Property | Jan 2026 |
| 140520 | ZACHOR | Toole County, MT | Oil Property | Sep 2024 |
| 140521 | ZACHRY | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 140522 | ZACHRY | Zapata County, TX | Gas Property | Mar 2026 |
| 140523 | ZACHRY | Webb County, TX | Oil & Gas Property | Mar 2026 |
| 140524 | ZACHRY | Zapata County, TX | Oil & Gas Property | Mar 2026 |
| 140525 | ZACHRY, E. B | Zapata County, TX | Oil & Gas Property | Mar 2026 |
| 140526 | ZACK | Coffey County, KS | Oil Property | Mar 2022 |
| 140527 | ZACKIE WALTERS | Grady County, OK | Oil & Gas Property | Mar 2026 |
| 140528 | ZACOUR | Armstrong County, PA | Gas Property | Dec 2025 |
| 140529 | ZADEL | Weld County, CO | Oil & Gas Property | Nov 2023 |
| 140530 | ZADOW | Richland County, MT | Oil & Gas Property | Apr 2026 |
| 140531 | ZAESKE-ECKOLS | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 140532 | ZAFT, VALENTINE | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 140533 | ZAGER | Weston County, WY | Oil & Gas Property | Apr 2026 |
| 140534 | ZAHN | Beaver County, PA | Gas Property | Mar 2026 |
| 140535 | ZAHN | Lamb County, TX | Oil & Gas Property | Feb 2026 |
| 140536 | ZAHNER | Washington County, OK | Oil Property | Apr 2026 |
| 140537 | ZAHORSKY | Barton County, KS | Oil Property | Feb 2026 |
| 140538 | ZAHORSKY | Woods County, OK | Oil & Gas Property | Jun 2023 |
| 140539 | ZAHORSKY | Woods County, OK | Oil & Gas Property | Apr 2026 |
| 140540 | ZAHOUREK | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 140541 | ZAHURSKY | Clearfield County, PA | Gas Property | Dec 2025 |
| 140542 | ZAIN 26 | Upton County, TX | Oil & Gas Property | Mar 2026 |
| 140543 | ZAIONTZ A | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 140544 | ZAIONTZ-OPIELA AA | Wilson County, TX | Oil & Gas Property | Mar 2026 |
| 140545 | ZAIONTZ-SHIRLEY ZAIONTZ A | Wilson County, TX | Oil & Gas Property | Mar 2026 |
| 140546 | ZAIT | Eddy County, NM | Oil Property | Jun 2022 |
| 140547 | ZAJIC | Barton County, KS | Oil Property | Nov 2021 |
| 140548 | ZAKAIB, PAUL JR | Kanawha County, WV | Oil Property | Sep 2002 |
| 140549 | ZALAC | Fayette County, PA | Gas Property | Mar 2026 |
| 140550 | ZALESKI | Bradford County, PA | Gas Property | Mar 2026 |
| 140551 | ZALESKY | Stark County, ND | Oil & Gas Property | Apr 2026 |
| 140552 | ZALMAN | Lavaca County, TX | Oil & Gas Property | Feb 2021 |
| 140553 | ZALOUDEK | Garfield County, OK | Oil & Gas Property | Feb 2026 |
| 140554 | ZALOUDEK | Garfield County, OK | Oil & Gas Property | Mar 2026 |
| 140555 | ZALOUDEK | Garfield County, OK | Oil & Gas Property | Jan 2021 |
| 140556 | ZALOUDIK | Canadian County, OK | Oil & Gas Property | Jul 2023 |
| 140557 | ZAMBESI | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 140558 | ZAMORA | Webb County, TX | Oil & Gas Property | Mar 2026 |
| 140559 | ZAMORA | Starr County, TX | Oil & Gas Property | Mar 2026 |
| 140560 | ZAMORA S SAND GU | Hidalgo County, TX | Oil & Gas Property | May 2023 |
| 140561 | ZAMORA UNIT | Hidalgo County, TX | Oil & Gas Property | Jun 2023 |
| 140562 | ZAMORA UNIT I | La Salle County, TX | Oil & Gas Property | Mar 2026 |
| 140563 | ZANDER | Grant County, OK | Oil & Gas Property | Oct 2019 |
| 140564 | ZANDRA USA 11-3TFH-2B | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 140565 | ZANE 32-24H | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 140566 | ZANE ABS FEDERAL | Chaves County, NM | Oil & Gas Property | Mar 2026 |
| 140567 | ZANE E IRVIN | Clearfield County, PA | Gas Property | Dec 2025 |
| 140568 | ZANE FEDERAL 21X-6 | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 140569 | ZANETTI | Solano County, CA | Oil & Gas Property | Sep 2001 |
| 140570 | ZANGER | Miller County, AR | Oil Property | Mar 2026 |
| 140571 | ZANOLINI | Fresno County, CA | Oil & Gas Property | May 2004 |
| 140572 | ZANT | Howard County, TX | Oil & Gas Property | Jan 2026 |
| 140573 | ZANT | Martin County, TX | Oil & Gas Property | Mar 2026 |
| 140574 | ZANT | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 140575 | ZANT BRIDGET 26 | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 140576 | ZANT VERTICAL | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 140577 | ZANT WEYMAN | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 140578 | ZANT-HURT-BLALOCK | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 140579 | ZAPATA TOWNSITE | Zapata County, TX | Oil & Gas Property | Mar 2026 |
| 140580 | ZAPP | La Salle County, TX | Oil & Gas Property | Mar 2026 |
| 140581 | ZAPPA | San Juan County, NM | Gas Property | Apr 2026 |
| 140582 | ZAPPE MARIE | Chambers County, TX | Oil & Gas Property | Mar 2026 |
| 140583 | ZAPPE UNIT | Gonzales County, TX | Oil & Gas Property | Mar 2024 |
| 140584 | ZAPPENDUSTER | La Salle County, TX | Oil & Gas Property | Mar 2026 |
| 140585 | ZAPPI EDWARD UNIT | Washington County, PA | Gas Property | Mar 2026 |
| 140586 | ZAPPI PETE UNIT | Washington County, PA | Gas Property | Mar 2026 |
| 140587 | ZARAFA FF FEDERAL | Eddy County, NM | Oil & Gas Property | Oct 2014 |
| 140588 | ZARAGOZA H06ZG | Lee County, TX | Oil & Gas Property | Mar 2026 |
| 140589 | ZARAK | Stark County, ND | Oil Property | Sep 1971 |
| 140590 | ZARGON HMU | Bottineau County, ND | Oil & Gas Property | Apr 2026 |
| 140591 | ZARGON MACKOBEE | Renville County, ND | Oil & Gas Property | Apr 2026 |
| 140592 | ZARGON TRURO TMU | Renville County, ND | Oil Property | Apr 2026 |
| 140593 | ZARING | Woodson County, KS | Oil Property | Oct 1985 |
| 140594 | ZARLENGO | Adams County, CO | Oil & Gas Property | Mar 2026 |
| 140595 | ZARLENGO | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 140596 | ZAUK 39 | Pecos County, TX | Oil & Gas Property | Mar 2026 |
| 140597 | ZAUK GAS UNIT 1 | Pecos County, TX | Gas Property | Mar 2026 |
| 140598 | ZAUK STATE 37-39 | Pecos County, TX | Oil & Gas Property | Mar 2026 |
| 140599 | ZAVADIL | Gonzales County, TX | Oil & Gas Property | Oct 2020 |
| 140600 | ZAVISCH | McMullen County, TX | Oil & Gas Property | Mar 2026 |