| 146401 | ZONDLAK | Midland County, MI | Oil Property | Dec 2008 |
| 146402 | ZONKER | Hood County, TX | Oil & Gas Property | Nov 2025 |
| 146403 | ZOOK | Montgomery County, KS | Oil & Gas Property | Sep 2025 |
| 146404 | ZOOK | Pawnee County, KS | Oil & Gas Property | Feb 2023 |
| 146405 | ZOOK | Kay County, OK | Oil & Gas Property | Oct 2025 |
| 146406 | ZOOK 1 | Woods County, OK | Oil & Gas Property | Sep 2015 |
| 146407 | ZOOK 1-2 | Woods County, OK | Oil & Gas Property | Feb 2023 |
| 146408 | ZOOK 41-25TFH | Mountrail County, ND | Oil & Gas Property | Dec 2025 |
| 146409 | ZORA A UNIT 1H | Cooke County, TX | Oil & Gas Property | Nov 2025 |
| 146410 | ZORA MAE | Johnson County, TX | Oil & Gas Property | Nov 2025 |
| 146411 | ZORA UNIT | Cooke County, TX | Oil & Gas Property | Nov 2025 |
| 146412 | ZORACKI | Westmoreland County, PA | Gas Property | Dec 2024 |
| 146413 | ZORILLA-MALONE | Victoria County, TX | Oil & Gas Property | Nov 2025 |
| 146414 | ZORIN | Monroe County, OH | Gas Property | Sep 2025 |
| 146415 | ZORN | Richardson County, NE | Oil Property | Dec 2024 |
| 146416 | ZORN | Barton County, KS | Oil Property | Sep 2025 |
| 146417 | ZORNS T. H | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 146418 | ZORO LOT 451 0 | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 146419 | ZOROSAK UNIT | Westmoreland County, PA | Gas Property | Nov 2025 |
| 146420 | ZORRILLO ANZ FEDERAL | Eddy County, NM | Oil & Gas Property | Oct 2021 |
| 146421 | ZORRO | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 146422 | ZORRO | Washington County, PA | Gas Property | Nov 2025 |
| 146423 | ZORRO 16 | Major County, OK | Oil & Gas Property | Apr 2020 |
| 146424 | ZORRO 388 | Ochiltree County, TX | Oil & Gas Property | Nov 2025 |
| 146425 | ZOS 1-26-35XH | Custer County, OK | Oil & Gas Property | Oct 2025 |
| 146426 | ZPZ 34-196 WRD UNIT | Ward County, TX | Oil & Gas Property | Nov 2025 |
| 146427 | ZPZ 34-211 UNIT | Ward County, TX | Oil & Gas Property | Sep 2025 |
| 146428 | ZPZ FEE | Upton County, TX | Oil & Gas Property | Nov 2025 |
| 146429 | ZPZ FEE 10 | Upton County, TX | Oil & Gas Property | Nov 2025 |
| 146430 | ZPZ FEE 5406 | Upton County, TX | Oil & Gas Property | Nov 2025 |
| 146431 | ZR UNIT | McMullen County, TX | Oil & Gas Property | Nov 2025 |
| 146432 | ZRZAVY UNIT | Frio County, TX | Oil & Gas Property | Nov 2025 |
| 146433 | ZUBER | Jack County, TX | Oil & Gas Property | Nov 2025 |
| 146434 | ZUCINNI CS FED | Campbell County, WY | Gas Property | Feb 2012 |
| 146435 | ZUCK S.V. STATE A2796 | Webb County, TX | Oil & Gas Property | Nov 2025 |
| 146436 | ZUCKERMAN | San Joaquin County, CA | Gas Property | Mar 1990 |
| 146437 | ZUDELL | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 146438 | ZUEB | Gray County, TX | Oil & Gas Property | Oct 2025 |
| 146439 | ZUEGE | Yuma County, CO | Gas Property | Dec 2024 |
| 146440 | ZUEHLKE UNIT | Fayette County, TX | Oil & Gas Property | Nov 2025 |
| 146441 | ZUERCHER | Edwards County, KS | Oil & Gas Property | Sep 2025 |
| 146442 | ZUERCHER | Edwards County, KS | Oil & Gas Property | Sep 2025 |
| 146443 | ZUG BUG 1-35 | Lincoln County, OK | Oil & Gas Property | Nov 2025 |
| 146444 | ZUGG | Pawnee County, KS | Oil & Gas Property | Sep 2025 |
| 146445 | ZUIDERVEEN | Missaukee County, MI | Oil & Gas Property | Dec 2025 |
| 146446 | ZULA 1 | Howard County, TX | Oil & Gas Property | Oct 2025 |
| 146447 | ZULA 18 | Roger Mills County, OK | Oil & Gas Property | Oct 2025 |
| 146448 | ZULCH, SALLY | Madison County, TX | Oil & Gas Property | Oct 2025 |
| 146449 | ZULETTE | Reagan County, TX | Oil & Gas Property | Nov 2025 |
| 146450 | ZULU | Mountrail County, ND | Oil & Gas Property | Dec 2025 |
| 146451 | ZUM 28-13-7 | Canadian County, OK | Oil & Gas Property | Oct 2025 |
| 146452 | ZUM MALLEN | Canadian County, OK | Oil & Gas Property | Feb 2021 |
| 146453 | ZUM MALLEN 1307 | Canadian County, OK | Oil & Gas Property | Oct 2025 |
| 146454 | ZUMA 3 | Loving County, TX | Oil & Gas Property | Nov 2025 |
| 146455 | ZUMA 57-T1-3X10 | Loving County, TX | Oil & Gas Property | Nov 2025 |
| 146456 | ZUMBACH UNIT | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 146457 | ZUMBRO | Franklin County, MS | Oil & Gas Property | Jul 2021 |
| 146458 | ZUMMALLEN | Kingfisher County, OK | Oil & Gas Property | Oct 2025 |
| 146459 | ZUMPETTA, LAWRENCE ET AL ZMBG | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 146460 | ZUMWALT | Colusa County, CA | Gas Property | Nov 2025 |
| 146461 | ZUMWALT | Stephens County, OK | Oil & Gas Property | Oct 2025 |
| 146462 | ZUMWALT | Colusa County, CA | Gas Property | Jul 2005 |
| 146463 | ZUMWALT | Colusa County, CA | Gas Property | Jun 1988 |
| 146464 | ZUMWALT | Glenn County, CA | Gas Property | Sep 2009 |
| 146465 | ZUMWALT | Glenn County, CA | Gas Property | Sep 1988 |
| 146466 | ZUPSIC | Allegheny County, PA | Gas Property | Dec 2024 |
| 146467 | ZURBRUGG | Columbiana County, OH | Oil & Gas Property | Dec 2024 |
| 146468 | ZURICH TOWNSITE | Rooks County, KS | Oil Property | Aug 1999 |
| 146469 | ZUTZ 5693 44-12T | Mountrail County, ND | Oil & Gas Property | Dec 2025 |
| 146470 | ZVOLANEK | Ellsworth County, KS | Oil Property | Aug 2025 |
| 146471 | ZVOLANEK | Ellsworth County, KS | Oil Property | Aug 2025 |
| 146472 | ZWAHLEN | Muskingum County, OH | Oil & Gas Property | Dec 2022 |
| 146473 | ZWEIFEL HENRY 1H | Hood County, TX | Oil & Gas Property | Nov 2025 |
| 146474 | ZWEIG | Gray County, TX | Gas Property | Jul 2004 |
| 146475 | ZWENKE 34-11H | Dunn County, ND | Oil & Gas Property | Dec 2025 |
| 146476 | ZWERNEMANN | Jim Wells County, TX | Oil & Gas Property | Sep 2025 |
| 146477 | ZWEYGARDT | Cheyenne County, KS | Oil & Gas Property | Sep 2025 |
| 146478 | ZWEYGARDT | Cheyenne County, KS | Gas Property | Sep 2025 |
| 146479 | ZWEYGARDT | Cheyenne County, KS | Gas Property | Sep 2025 |
| 146480 | ZWICK | Rice County, KS | Oil Property | Aug 2025 |
| 146481 | ZWICK | Monroe County, OH | Oil & Gas Property | Dec 2022 |
| 146482 | ZWILLICH | Ellsworth County, KS | Oil Property | Sep 2025 |
| 146483 | ZWIRN | Yuma County, CO | Gas Property | Dec 2024 |
| 146484 | ZWIRN | Yuma County, CO | Gas Property | Dec 2024 |
| 146485 | ZYBACH | Wheeler County, TX | Oil & Gas Property | Nov 2025 |
| 146486 | ZYBACH | Wheeler County, TX | Oil & Gas Property | Nov 2025 |
| 146487 | ZYBACH 6 | Wheeler County, TX | Oil & Gas Property | Feb 2025 |
| 146488 | ZYBACH-T | Wheeler County, TX | Oil & Gas Property | Nov 2025 |
| 146489 | ZYSK FEDERAL 1-A | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 146490 | [14744] CASTLE BLACK 6 1 B2CD FEDERAL CO | Lea County, NM | Oil & Gas Property | Nov 2025 |
| 146491 | `IDEWATER OIL CO. FEE | Liberty County, TX | Oil & Gas Property | Jul 2025 |