| 143501 | ZORN | Richardson County, NE | Oil Property | Dec 2024 |
| 143502 | ZORN | Barton County, KS | Oil Property | Jun 2025 |
| 143503 | ZORNS T. H | Wise County, TX | Oil & Gas Property | Jul 2025 |
| 143504 | ZORO LOT 451 0 | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 143505 | ZOROSAK UNIT | Westmoreland County, PA | Gas Property | Jul 2025 |
| 143506 | ZORRILLO ANZ FEDERAL | Eddy County, NM | Oil & Gas Property | Oct 2021 |
| 143507 | ZORRO | McKenzie County, ND | Oil & Gas Property | Aug 2025 |
| 143508 | ZORRO | Washington County, PA | Gas Property | Jul 2025 |
| 143509 | ZORRO 16 | Major County, OK | Oil & Gas Property | Apr 2020 |
| 143510 | ZOS 1-26-35XH | Custer County, OK | Oil & Gas Property | Jun 2025 |
| 143511 | ZPZ 34-196 WRD UNIT | Ward County, TX | Oil & Gas Property | Jul 2025 |
| 143512 | ZPZ 34-211 UNIT | Ward County, TX | Oil & Gas Property | Jul 2025 |
| 143513 | ZPZ FEE | Upton County, TX | Oil & Gas Property | Jul 2025 |
| 143514 | ZPZ FEE 10 | Upton County, TX | Oil & Gas Property | Jul 2025 |
| 143515 | ZPZ FEE 5406 | Upton County, TX | Oil & Gas Property | Jul 2025 |
| 143516 | ZR UNIT | McMullen County, TX | Oil & Gas Property | Jun 2025 |
| 143517 | ZRZAVY UNIT | Frio County, TX | Oil & Gas Property | Jul 2025 |
| 143518 | ZSCHECH C UNIT | Burleson County, TX | Oil Property | Jul 2025 |
| 143519 | ZUBER | Jack County, TX | Oil & Gas Property | Jul 2025 |
| 143520 | ZUCINNI CS FED | Campbell County, WY | Gas Property | Feb 2012 |
| 143521 | ZUCK S.V. STATE A2796 | Webb County, TX | Oil & Gas Property | Jul 2025 |
| 143522 | ZUCKERMAN | San Joaquin County, CA | Gas Property | Mar 1990 |
| 143523 | ZUDELL | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 143524 | ZUEB | Gray County, TX | Oil & Gas Property | Jul 2025 |
| 143525 | ZUEGE | Yuma County, CO | Gas Property | Jul 2025 |
| 143526 | ZUEHLKE UNIT | Fayette County, TX | Oil & Gas Property | Jul 2025 |
| 143527 | ZUERCHER | Edwards County, KS | Oil & Gas Property | Jun 2025 |
| 143528 | ZUERCHER | Edwards County, KS | Oil & Gas Property | Jun 2025 |
| 143529 | ZUGG | Pawnee County, KS | Oil & Gas Property | Apr 2025 |
| 143530 | ZUIDERVEEN | Missaukee County, MI | Oil & Gas Property | Aug 2025 |
| 143531 | ZUKOWSKI 17 1H | Arapahoe County, CO | Oil & Gas Property | Jul 2025 |
| 143532 | ZULA 1 | Howard County, TX | Oil & Gas Property | Jun 2025 |
| 143533 | ZULA 18 | Roger Mills County, OK | Oil & Gas Property | Jun 2025 |
| 143534 | ZULCH, SALLY | Madison County, TX | Oil & Gas Property | Jun 2025 |
| 143535 | ZULETTE | Reagan County, TX | Oil & Gas Property | Jul 2025 |
| 143536 | ZULU | Mountrail County, ND | Oil & Gas Property | Aug 2025 |
| 143537 | ZUM 28-13-7 | Canadian County, OK | Oil & Gas Property | Jun 2025 |
| 143538 | ZUM MALLEN | Canadian County, OK | Oil & Gas Property | Feb 2021 |
| 143539 | ZUM MALLEN 1307 | Canadian County, OK | Oil & Gas Property | Jul 2025 |
| 143540 | ZUMA 3 | Loving County, TX | Oil & Gas Property | Jul 2025 |
| 143541 | ZUMA 57-T1-3X10 | Loving County, TX | Oil & Gas Property | Jul 2025 |
| 143542 | ZUMBACH UNIT | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 143543 | ZUMBRO | Franklin County, MS | Oil & Gas Property | Jul 2021 |
| 143544 | ZUMMALLEN | Kingfisher County, OK | Oil & Gas Property | Jun 2025 |
| 143545 | ZUMPETTA, LAWRENCE ET AL ZMBG | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 143546 | ZUMWALT | Colusa County, CA | Gas Property | Sep 2025 |
| 143547 | ZUMWALT | Stephens County, OK | Oil & Gas Property | Jun 2025 |
| 143548 | ZUMWALT | Colusa County, CA | Gas Property | Jul 2005 |
| 143549 | ZUMWALT | Colusa County, CA | Gas Property | Jun 1988 |
| 143550 | ZUMWALT | Glenn County, CA | Gas Property | Sep 2009 |
| 143551 | ZUMWALT | Glenn County, CA | Gas Property | Sep 1988 |
| 143552 | ZUPSIC | Allegheny County, PA | Gas Property | Dec 2024 |
| 143553 | ZURBRUGG | Columbiana County, OH | Oil & Gas Property | Dec 2024 |
| 143554 | ZURICH TOWNSITE | Rooks County, KS | Oil Property | Aug 1999 |
| 143555 | ZUTZ 5693 44-12T | Mountrail County, ND | Oil & Gas Property | Aug 2025 |
| 143556 | ZVOLANEK | Ellsworth County, KS | Oil Property | Jun 2025 |
| 143557 | ZVOLANEK | Ellsworth County, KS | Oil Property | Jun 2025 |
| 143558 | ZWAHLEN | Muskingum County, OH | Oil & Gas Property | Dec 2022 |
| 143559 | ZWEIG | Gray County, TX | Gas Property | Apr 2004 |
| 143560 | ZWENKE 34-11H | Dunn County, ND | Oil & Gas Property | Aug 2025 |
| 143561 | ZWERNEMANN | Jim Wells County, TX | Oil & Gas Property | Mar 2025 |
| 143562 | ZWEYGARDT | Cheyenne County, KS | Oil & Gas Property | Jun 2025 |
| 143563 | ZWEYGARDT | Cheyenne County, KS | Gas Property | Jun 2025 |
| 143564 | ZWEYGARDT | Cheyenne County, KS | Gas Property | Jun 2025 |
| 143565 | ZWICK | Rice County, KS | Oil Property | May 2025 |
| 143566 | ZWILLICH | Ellsworth County, KS | Oil Property | Jun 2025 |
| 143567 | ZWIRN | Yuma County, CO | Gas Property | Jul 2025 |
| 143568 | ZWIRN | Yuma County, CO | Gas Property | Jul 2025 |
| 143569 | ZYBACH | Wheeler County, TX | Oil & Gas Property | Jul 2025 |
| 143570 | ZYBACH | Wheeler County, TX | Oil & Gas Property | Jul 2025 |
| 143571 | ZYBACH 6 | Wheeler County, TX | Oil & Gas Property | Jun 2025 |
| 143572 | ZYBACH-T | Wheeler County, TX | Oil & Gas Property | Jul 2025 |
| 143573 | ZYSK FEDERAL 1-A | Campbell County, WY | Oil & Gas Property | Aug 2025 |
| 143574 | [14744] CASTLE BLACK 6 1 B2CD FEDERAL CO | Lea County, NM | Oil & Gas Property | Jul 2025 |