| 142001 | ZISCH | Weld County, CO | Oil & Gas Property | May 2026 |
| 142002 | ZISSOU | Howard County, TX | Oil & Gas Property | May 2026 |
| 142003 | ZITTLE E | Erie County, NY | Gas Property | Dec 2025 |
| 142004 | ZIVLEY | Fort Bend County, TX | Oil Property | Sep 2011 |
| 142005 | ZIVLEY TRUSTEE | Fort Bend County, TX | Oil Property | Jun 2026 |
| 142006 | ZIZINIA | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 142007 | ZLOMEK | Allegany County, NY | Oil & Gas Property | Dec 2025 |
| 142008 | ZM FARMS A | Haskell County, KS | Oil & Gas Property | Apr 2026 |
| 142009 | ZMIJEWSKI & ZIETLOW ET AL 1-26 | Jackson County, MI | Oil & Gas Property | Jun 2026 |
| 142010 | ZN 27 22 FEDERAL STATE COM | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 142011 | ZOCH | Fayette County, TX | Oil & Gas Property | Jun 2026 |
| 142012 | ZOCH UNIT | Lee County, TX | Oil & Gas Property | Jun 2026 |
| 142013 | ZOE 09 | San Juan County, NM | Gas Property | Jun 2026 |
| 142014 | ZOE 37 | Midland County, TX | Oil & Gas Property | Jun 2026 |
| 142015 | ZOE DRAW | Campbell County, WY | Oil Property | Dec 2008 |
| 142016 | ZOE H IRWIN | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 142017 | ZOELLER | Pottawatomie County, OK | Oil Property | May 2026 |
| 142018 | ZOEY 4-16 | Upton County, TX | Oil & Gas Property | Jun 2026 |
| 142019 | ZOEY 9-16 | Midland County, TX | Oil & Gas Property | Jun 2026 |
| 142020 | ZOFNESS | Moore County, TX | Gas Property | May 2026 |
| 142021 | ZOGOL, JOHN A. & REBECCA J. ZOGOL | Marion County, WV | Gas Property | Dec 2021 |
| 142022 | ZOKOE | Ottawa County, MI | Oil & Gas Property | Jun 2026 |
| 142023 | ZOLA | Erie County, NY | Gas Property | Dec 2025 |
| 142024 | ZOLADZ | Genesee County, NY | Gas Property | Dec 2025 |
| 142025 | ZOLDOSKE | Harper County, OK | Oil & Gas Property | May 2026 |
| 142026 | ZOLDOSKE | Ellis County, OK | Oil & Gas Property | Dec 2019 |
| 142027 | ZOLLAR | Lincoln County, OK | Oil & Gas Property | Jun 2026 |
| 142028 | ZOLLER 34 | Ward County, TX | Oil & Gas Property | Jun 2026 |
| 142029 | ZOLLINGER | Harper County, OK | Oil & Gas Property | May 2026 |
| 142030 | ZONKER | Hood County, TX | Oil & Gas Property | Jun 2026 |
| 142031 | ZOOK | Montgomery County, KS | Oil & Gas Property | Apr 2026 |
| 142032 | ZOOK | Pawnee County, KS | Oil & Gas Property | Jan 2023 |
| 142033 | ZOOK | Kay County, OK | Oil & Gas Property | May 2026 |
| 142034 | ZOOK 1 | Woods County, OK | Oil & Gas Property | Sep 2015 |
| 142035 | ZOOK 1-2 | Woods County, OK | Oil & Gas Property | Feb 2023 |
| 142036 | ZOOK 41-25TFH | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 142037 | ZORA MAE | Johnson County, TX | Oil & Gas Property | May 2026 |
| 142038 | ZORA UNIT | Cooke County, TX | Oil & Gas Property | Jun 2026 |
| 142039 | ZORACKI | Westmoreland County, PA | Gas Property | Dec 2025 |
| 142040 | ZORILLA-MALONE | Victoria County, TX | Oil & Gas Property | Jun 2026 |
| 142041 | ZORIN | Monroe County, OH | Gas Property | Mar 2026 |
| 142042 | ZORN | Richardson County, NE | Oil Property | Dec 2025 |
| 142043 | ZORN | Barton County, KS | Oil Property | Apr 2026 |
| 142044 | ZORNS T. H | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 142045 | ZORO LOT 451 0 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 142046 | ZOROSAK UNIT | Westmoreland County, PA | Gas Property | Jun 2026 |
| 142047 | ZORRILLO ANZ FEDERAL | Eddy County, NM | Oil & Gas Property | Oct 2021 |
| 142048 | ZORRO | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 142049 | ZORRO | Washington County, PA | Gas Property | Jun 2026 |
| 142050 | ZORRO 16 | Major County, OK | Oil & Gas Property | Apr 2020 |
| 142051 | ZOS 1-26-35XH | Custer County, OK | Oil & Gas Property | May 2026 |
| 142052 | ZPZ 34-196 WRD UNIT | Ward County, TX | Oil & Gas Property | Jun 2026 |
| 142053 | ZPZ 34-211 UNIT | Ward County, TX | Oil & Gas Property | Jun 2026 |
| 142054 | ZPZ FEE | Upton County, TX | Oil & Gas Property | Jun 2026 |
| 142055 | ZPZ FEE 10 | Upton County, TX | Oil & Gas Property | Jun 2026 |
| 142056 | ZPZ FEE 5406 | Upton County, TX | Oil & Gas Property | Jun 2026 |
| 142057 | ZR A 1 | McMullen County, TX | Oil & Gas Property | Apr 2026 |
| 142058 | ZR UNIT | McMullen County, TX | Oil & Gas Property | Jun 2026 |
| 142059 | ZRZAVY UNIT | Frio County, TX | Oil & Gas Property | Jun 2026 |
| 142060 | ZSCHECH C UNIT | Burleson County, TX | Oil Property | Jun 2026 |
| 142061 | ZSCHECH UNIT | Lee County, TX | Oil & Gas Property | May 2026 |
| 142062 | ZUBER | Jack County, TX | Oil & Gas Property | Jun 2026 |
| 142063 | ZUCINNI CS FED | Campbell County, WY | Gas Property | Feb 2012 |
| 142064 | ZUCK S.V. STATE A2796 | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 142065 | ZUCKERMAN | San Joaquin County, CA | Gas Property | Mar 1990 |
| 142066 | ZUDELL | Noble County, OH | Oil & Gas Property | Dec 2025 |
| 142067 | ZUEB | Gray County, TX | Oil & Gas Property | Jun 2026 |
| 142068 | ZUEGE | Yuma County, CO | Gas Property | May 2026 |
| 142069 | ZUEHLKE UNIT | Fayette County, TX | Oil & Gas Property | Jun 2026 |
| 142070 | ZUERCHER | Edwards County, KS | Oil & Gas Property | Apr 2026 |
| 142071 | ZUERCHER | Edwards County, KS | Oil & Gas Property | Apr 2026 |
| 142072 | ZUGG | Pawnee County, KS | Oil & Gas Property | Mar 2026 |
| 142073 | ZUIDERVEEN | Missaukee County, MI | Oil & Gas Property | May 2026 |
| 142074 | ZULA 1 | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 142075 | ZULA 18 | Roger Mills County, OK | Oil & Gas Property | May 2026 |
| 142076 | ZULCH, SALLY | Madison County, TX | Oil & Gas Property | May 2026 |
| 142077 | ZULETTE | Reagan County, TX | Oil & Gas Property | Jan 2026 |
| 142078 | ZULU | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 142079 | ZUM 28-13-7 | Canadian County, OK | Oil & Gas Property | May 2026 |
| 142080 | ZUM MALLEN | Canadian County, OK | Oil & Gas Property | Feb 2021 |
| 142081 | ZUM MALLEN 1307 | Canadian County, OK | Oil & Gas Property | May 2026 |
| 142082 | ZUMA 3 | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 142083 | ZUMA 57-T1-3X10 | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 142084 | ZUMBACH UNIT | Tuscarawas County, OH | Oil & Gas Property | Dec 2025 |
| 142085 | ZUMBRO | Franklin County, MS | Oil & Gas Property | Jul 2021 |
| 142086 | ZUMMALLEN | Kingfisher County, OK | Oil & Gas Property | May 2026 |
| 142087 | ZUMPETTA, LAWRENCE ET AL ZMBG | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 142088 | ZUMWALT | Colusa County, CA | Gas Property | Mar 2026 |
| 142089 | ZUMWALT | Stephens County, OK | Oil & Gas Property | May 2026 |
| 142090 | ZUMWALT | Colusa County, CA | Gas Property | Jul 2005 |
| 142091 | ZUMWALT | Colusa County, CA | Gas Property | Jun 1988 |
| 142092 | ZUMWALT | Glenn County, CA | Gas Property | Sep 2009 |
| 142093 | ZUMWALT | Glenn County, CA | Gas Property | Sep 1988 |
| 142094 | ZUPSIC | Allegheny County, PA | Gas Property | Dec 2025 |
| 142095 | ZURBRUGG | Columbiana County, OH | Oil & Gas Property | Dec 2025 |
| 142096 | ZURICH | Seminole County, OK | Oil & Gas Property | May 2026 |
| 142097 | ZURICH TOWNSITE | Rooks County, KS | Oil Property | Aug 1999 |
| 142098 | ZUTZ 5693 44-12T | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 142099 | ZVOLANEK | Ellsworth County, KS | Oil Property | Mar 2026 |
| 142100 | ZWAHLEN | Muskingum County, OH | Oil & Gas Property | Dec 2025 |