| Property Name | Property Location | Property Type | Most Recent Production | |
|---|---|---|---|---|
| 501 | ZUMBACH UNIT | Tuscarawas County, OH | Oil & Gas Property | Dec 2023 |
| 502 | ZUMBRO | Franklin County, MS | Oil & Gas Property | Jul 2021 |
| 503 | ZUMMALLEN | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 504 | ZUMPETTA, LAWRENCE ET AL ZMBG | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 505 | ZUMWALT | Colusa County, CA | Gas Property | Dec 2024 |
| 506 | ZUMWALT | Colusa County, CA | Gas Property | Jul 2005 |
| 507 | ZUMWALT | Colusa County, CA | Gas Property | Jun 1988 |
| 508 | ZUMWALT | Glenn County, CA | Gas Property | Sep 2009 |
| 509 | ZUMWALT | Glenn County, CA | Gas Property | Sep 1988 |
| 510 | ZUPSIC | Allegheny County, PA | Gas Property | Dec 2024 |
| 511 | ZURBRUGG | Columbiana County, OH | Oil & Gas Property | Dec 2023 |
| 512 | ZURICH TOWNSITE | Rooks County, KS | Oil Property | Aug 1999 |
| 513 | ZUTZ 5693 44-12T | Mountrail County, ND | Oil & Gas Property | Feb 2025 |
| 514 | ZVOLANEK | Ellsworth County, KS | Oil Property | Dec 2024 |
| 515 | ZVOLANEK | Ellsworth County, KS | Oil Property | Dec 2024 |
| 516 | ZWAHLEN | Muskingum County, OH | Oil & Gas Property | Dec 2022 |
| 517 | ZWEIG | Gray County, TX | Gas Property | Apr 2004 |
| 518 | ZWENKE 34-11H | Dunn County, ND | Oil & Gas Property | Feb 2025 |
| 519 | ZWERNEMANN | Jim Wells County, TX | Oil & Gas Property | Dec 2024 |
| 520 | ZWEYGARDT | Cheyenne County, KS | Oil & Gas Property | Dec 2024 |
| 521 | ZWEYGARDT | Cheyenne County, KS | Gas Property | Dec 2024 |
| 522 | ZWEYGARDT | Cheyenne County, KS | Gas Property | Dec 2024 |
| 523 | ZWICK | Rice County, KS | Oil Property | Oct 2024 |
| 524 | ZWILLICH | Ellsworth County, KS | Oil Property | Dec 2024 |
| 525 | ZWIRN | Yuma County, CO | Gas Property | Feb 2025 |
| 526 | ZWIRN | Yuma County, CO | Gas Property | Feb 2025 |
| 527 | ZYBACH | Wheeler County, TX | Oil & Gas Property | Jan 2025 |
| 528 | ZYBACH | Wheeler County, TX | Oil & Gas Property | Jan 2025 |
| 529 | ZYBACH 6 | Wheeler County, TX | Oil & Gas Property | Dec 2024 |
| 530 | ZYBACH-T | Wheeler County, TX | Oil & Gas Property | Jan 2025 |
| 531 | ZYSK FEDERAL 1-A | Campbell County, WY | Oil & Gas Property | Feb 2025 |