| 141601 | ZABOLOTNY | Billings County, ND | Oil & Gas Property | Jun 2026 |
| 141602 | ZABOLOTNY OBSERVATION | Billings County, ND | Oil & Gas Property | Jul 2024 |
| 141603 | ZACATE UNIT 151-152 | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 141604 | ZACAWEISTA UNIT | Wilbarger County, TX | Oil & Gas Property | Jun 2026 |
| 141605 | ZACCHAEUS 3 UNIT | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 141606 | ZACH | Parker County, TX | Oil & Gas Property | Jun 2026 |
| 141607 | ZACH 17 8 A1 | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 141608 | ZACH 17 8 A2 | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 141609 | ZACH 17 8 B2NC FEDERAL COM | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 141610 | ZACH 17 8 FEDERAL COM | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 141611 | ZACH 17 8 W0MD FEDERAL COM | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 141612 | ZACH 17 8 W1 | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 141613 | ZACH 17 FEDERAL | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 141614 | ZACH 17 W0NC FEDERAL | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 141615 | ZACH C 11 | Weld County, CO | Oil & Gas Property | Sep 2016 |
| 141616 | ZACH MCCORMICK FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jun 2026 |
| 141617 | ZACHARY | Clay County, TX | Oil & Gas Property | May 2026 |
| 141618 | ZACHARY | Winkler County, TX | Oil & Gas Property | Jun 2026 |
| 141619 | ZACHARY | Montague County, TX | Oil & Gas Property | Jun 2026 |
| 141620 | ZACHARY | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 141621 | ZACHARY | Caddo County, OK | Oil Property | Jun 2026 |
| 141622 | ZACHERL UNIT 1H | Butler County, PA | Gas Property | Jun 2026 |
| 141623 | ZACHERY 14-10H | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 141624 | ZACHGO | Logan County, OK | Oil & Gas Property | May 2026 |
| 141625 | ZACHMAN | Ellis County, KS | Oil Property | Apr 2026 |
| 141626 | ZACHMAN | Ellis County, KS | Oil Property | Mar 2026 |
| 141627 | ZACHOR | Toole County, MT | Oil Property | Sep 2024 |
| 141628 | ZACHRY | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 141629 | ZACHRY | Zapata County, TX | Gas Property | Jun 2026 |
| 141630 | ZACHRY | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 141631 | ZACHRY | Zapata County, TX | Oil & Gas Property | Jun 2026 |
| 141632 | ZACHRY, E. B | Zapata County, TX | Oil & Gas Property | Jun 2026 |
| 141633 | ZACK | Coffey County, KS | Oil Property | Mar 2022 |
| 141634 | ZACKIE WALTERS | Grady County, OK | Oil & Gas Property | May 2026 |
| 141635 | ZACOUR | Armstrong County, PA | Gas Property | Dec 2025 |
| 141636 | ZADEL | Weld County, CO | Oil & Gas Property | Nov 2023 |
| 141637 | ZADOW | Richland County, MT | Oil & Gas Property | Jun 2026 |
| 141638 | ZAESKE-ECKOLS | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 141639 | ZAFT, VALENTINE | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 141640 | ZAGER | Weston County, WY | Oil & Gas Property | Jun 2026 |
| 141641 | ZAHN | Beaver County, PA | Gas Property | Jun 2026 |
| 141642 | ZAHN | Lamb County, TX | Oil & Gas Property | Jun 2026 |
| 141643 | ZAHNER | Washington County, OK | Oil Property | Apr 2026 |
| 141644 | ZAHORSKY | Barton County, KS | Oil Property | Apr 2026 |
| 141645 | ZAHORSKY | Woods County, OK | Oil & Gas Property | Jun 2023 |
| 141646 | ZAHORSKY | Woods County, OK | Oil & Gas Property | Jun 2026 |
| 141647 | ZAHOUREK | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 141648 | ZAHURSKY | Clearfield County, PA | Gas Property | Dec 2025 |
| 141649 | ZAIN 26 | Upton County, TX | Oil & Gas Property | Jun 2026 |
| 141650 | ZAIONTZ A | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 141651 | ZAIONTZ-OPIELA AA | Wilson County, TX | Oil & Gas Property | Jun 2026 |
| 141652 | ZAIONTZ-SHIRLEY ZAIONTZ A | Wilson County, TX | Oil & Gas Property | Jun 2026 |
| 141653 | ZAIT | Eddy County, NM | Oil Property | Jun 2022 |
| 141654 | ZAJIC | Barton County, KS | Oil Property | Nov 2021 |
| 141655 | ZAKAIB, PAUL JR | Kanawha County, WV | Oil Property | Sep 2002 |
| 141656 | ZALAC | Fayette County, PA | Gas Property | Jun 2026 |
| 141657 | ZALESKI | Bradford County, PA | Gas Property | Jun 2026 |
| 141658 | ZALESKY | Stark County, ND | Oil & Gas Property | Jun 2026 |
| 141659 | ZALMAN | Lavaca County, TX | Oil & Gas Property | Mar 2021 |
| 141660 | ZALOUDEK | Garfield County, OK | Oil & Gas Property | Feb 2026 |
| 141661 | ZALOUDEK | Garfield County, OK | Oil & Gas Property | Jun 2026 |
| 141662 | ZALOUDEK | Garfield County, OK | Oil & Gas Property | Jan 2021 |
| 141663 | ZALOUDIK | Canadian County, OK | Oil & Gas Property | Jul 2023 |
| 141664 | ZAMBESI | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 141665 | ZAMORA | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 141666 | ZAMORA | Starr County, TX | Oil & Gas Property | Jun 2026 |
| 141667 | ZAMORA S SAND GU | Hidalgo County, TX | Oil & Gas Property | May 2023 |
| 141668 | ZAMORA UNIT | Hidalgo County, TX | Oil & Gas Property | Jun 2023 |
| 141669 | ZAMORA UNIT I | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 141670 | ZANDER | Grant County, OK | Oil & Gas Property | Oct 2019 |
| 141671 | ZANDRA USA 11-3TFH-2B | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 141672 | ZANE 32-24H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 141673 | ZANE ABS FEDERAL | Chaves County, NM | Oil & Gas Property | Jun 2026 |
| 141674 | ZANE E IRVIN | Clearfield County, PA | Gas Property | Dec 2025 |
| 141675 | ZANE FEDERAL 21X-6 | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 141676 | ZANETTI | Solano County, CA | Oil & Gas Property | Sep 2001 |
| 141677 | ZANGER | Miller County, AR | Oil Property | Jul 2026 |
| 141678 | ZANOLINI | Fresno County, CA | Oil & Gas Property | May 2004 |
| 141679 | ZANT | Howard County, TX | Oil & Gas Property | Jan 2026 |
| 141680 | ZANT | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 141681 | ZANT | Glasscock County, TX | Oil & Gas Property | Jun 2026 |
| 141682 | ZANT BRIDGET 26 | Glasscock County, TX | Oil & Gas Property | Jun 2026 |
| 141683 | ZANT VERTICAL | Glasscock County, TX | Oil & Gas Property | Jun 2026 |
| 141684 | ZANT WEYMAN | Glasscock County, TX | Oil & Gas Property | Jun 2026 |
| 141685 | ZANT-HURT-BLALOCK | Glasscock County, TX | Oil & Gas Property | Jun 2026 |
| 141686 | ZAPATA TOWNSITE | Zapata County, TX | Oil & Gas Property | Jun 2026 |
| 141687 | ZAPP | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 141688 | ZAPPA | San Juan County, NM | Gas Property | Jun 2026 |
| 141689 | ZAPPE MARIE | Chambers County, TX | Oil & Gas Property | Jun 2026 |
| 141690 | ZAPPE UNIT | Gonzales County, TX | Oil & Gas Property | Mar 2024 |
| 141691 | ZAPPENDUSTER | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 141692 | ZAPPI EDWARD UNIT | Washington County, PA | Gas Property | Jun 2026 |
| 141693 | ZAPPI PETE UNIT | Washington County, PA | Gas Property | Jun 2026 |
| 141694 | ZARAFA FF FEDERAL | Eddy County, NM | Oil & Gas Property | Oct 2014 |
| 141695 | ZARAGOZA H06ZG | Lee County, TX | Oil & Gas Property | Jun 2026 |
| 141696 | ZARAK | Stark County, ND | Oil Property | Sep 1971 |
| 141697 | ZARGON HAAS N 2 | Bottineau County, ND | Oil Property | Jun 2026 |
| 141698 | ZARGON HMU | Bottineau County, ND | Oil & Gas Property | Jun 2026 |
| 141699 | ZARGON MACKOBEE | Renville County, ND | Oil & Gas Property | Jun 2026 |
| 141700 | ZARGON TRURO TMU | Renville County, ND | Oil Property | Jun 2026 |