| 140901 | ZOCH UNIT | Lee County, TX | Oil & Gas Property | Mar 2026 |
| 140902 | ZOE 09 | San Juan County, NM | Gas Property | Apr 2026 |
| 140903 | ZOE 37 | Midland County, TX | Oil & Gas Property | Mar 2026 |
| 140904 | ZOE DRAW | Campbell County, WY | Oil Property | Dec 2008 |
| 140905 | ZOE H IRWIN | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 140906 | ZOELLER | Pottawatomie County, OK | Oil Property | Apr 2026 |
| 140907 | ZOEY 4-16 | Upton County, TX | Oil & Gas Property | Mar 2026 |
| 140908 | ZOEY 9-16 | Midland County, TX | Oil & Gas Property | Mar 2026 |
| 140909 | ZOFNESS | Moore County, TX | Gas Property | Mar 2026 |
| 140910 | ZOGOL, JOHN A. & REBECCA J. ZOGOL | Marion County, WV | Gas Property | Dec 2021 |
| 140911 | ZOKOE | Ottawa County, MI | Oil & Gas Property | Apr 2026 |
| 140912 | ZOLA | Erie County, NY | Gas Property | Dec 2024 |
| 140913 | ZOLADZ | Genesee County, NY | Gas Property | Dec 2024 |
| 140914 | ZOLDOSKE | Harper County, OK | Oil & Gas Property | Mar 2026 |
| 140915 | ZOLDOSKE | Ellis County, OK | Oil & Gas Property | Dec 2019 |
| 140916 | ZOLLAR | Lincoln County, OK | Oil & Gas Property | Mar 2026 |
| 140917 | ZOLLER 34 | Ward County, TX | Oil & Gas Property | Mar 2026 |
| 140918 | ZOLLINGER | Harper County, OK | Oil & Gas Property | Mar 2026 |
| 140919 | ZONKER | Hood County, TX | Oil & Gas Property | Mar 2026 |
| 140920 | ZOOK | Montgomery County, KS | Oil & Gas Property | Feb 2026 |
| 140921 | ZOOK | Pawnee County, KS | Oil & Gas Property | Jan 2023 |
| 140922 | ZOOK | Kay County, OK | Oil & Gas Property | Dec 2025 |
| 140923 | ZOOK 1 | Woods County, OK | Oil & Gas Property | Sep 2015 |
| 140924 | ZOOK 1-2 | Woods County, OK | Oil & Gas Property | Feb 2023 |
| 140925 | ZOOK 41-25TFH | Mountrail County, ND | Oil & Gas Property | Apr 2026 |
| 140926 | ZORA MAE | Johnson County, TX | Oil & Gas Property | Feb 2026 |
| 140927 | ZORA UNIT | Cooke County, TX | Oil & Gas Property | Mar 2026 |
| 140928 | ZORACKI | Westmoreland County, PA | Gas Property | Dec 2025 |
| 140929 | ZORILLA-MALONE | Victoria County, TX | Oil & Gas Property | Mar 2026 |
| 140930 | ZORIN | Monroe County, OH | Gas Property | Mar 2026 |
| 140931 | ZORN | Richardson County, NE | Oil Property | Dec 2025 |
| 140932 | ZORN | Barton County, KS | Oil Property | Feb 2026 |
| 140933 | ZORNS T. H | Wise County, TX | Oil & Gas Property | Feb 2026 |
| 140934 | ZORO LOT 451 0 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 140935 | ZOROSAK UNIT | Westmoreland County, PA | Gas Property | Mar 2026 |
| 140936 | ZORRILLO ANZ FEDERAL | Eddy County, NM | Oil & Gas Property | Apr 2021 |
| 140937 | ZORRO | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 140938 | ZORRO | Washington County, PA | Gas Property | Mar 2026 |
| 140939 | ZORRO 16 | Major County, OK | Oil & Gas Property | Apr 2020 |
| 140940 | ZOS 1-26-35XH | Custer County, OK | Oil & Gas Property | Mar 2026 |
| 140941 | ZPZ 34-196 WRD UNIT | Ward County, TX | Oil & Gas Property | Mar 2026 |
| 140942 | ZPZ 34-211 UNIT | Ward County, TX | Oil & Gas Property | Mar 2026 |
| 140943 | ZPZ FEE | Upton County, TX | Oil & Gas Property | Mar 2026 |
| 140944 | ZPZ FEE 10 | Upton County, TX | Oil & Gas Property | Mar 2026 |
| 140945 | ZPZ FEE 5406 | Upton County, TX | Oil & Gas Property | Mar 2026 |
| 140946 | ZR UNIT | McMullen County, TX | Oil & Gas Property | Mar 2026 |
| 140947 | ZRZAVY UNIT | Frio County, TX | Oil & Gas Property | Mar 2026 |
| 140948 | ZSCHECH C UNIT | Burleson County, TX | Oil Property | Feb 2026 |
| 140949 | ZSCHECH UNIT | Lee County, TX | Oil & Gas Property | Feb 2026 |
| 140950 | ZUBER | Jack County, TX | Oil & Gas Property | Mar 2026 |
| 140951 | ZUCINNI CS FED | Campbell County, WY | Gas Property | Feb 2012 |
| 140952 | ZUCK S.V. STATE A2796 | Webb County, TX | Oil & Gas Property | Mar 2026 |
| 140953 | ZUCKERMAN | San Joaquin County, CA | Gas Property | Mar 1990 |
| 140954 | ZUDELL | Noble County, OH | Oil & Gas Property | Dec 2025 |
| 140955 | ZUEB | Gray County, TX | Oil & Gas Property | Feb 2026 |
| 140956 | ZUEGE | Yuma County, CO | Gas Property | Apr 2026 |
| 140957 | ZUEHLKE UNIT | Fayette County, TX | Oil & Gas Property | Mar 2026 |
| 140958 | ZUERCHER | Edwards County, KS | Oil & Gas Property | Feb 2026 |
| 140959 | ZUERCHER | Edwards County, KS | Oil & Gas Property | Feb 2026 |
| 140960 | ZUGG | Pawnee County, KS | Oil & Gas Property | Jan 2026 |
| 140961 | ZUIDERVEEN | Missaukee County, MI | Oil & Gas Property | Jan 2026 |
| 140962 | ZULA 1 | Howard County, TX | Oil & Gas Property | Feb 2026 |
| 140963 | ZULA 18 | Roger Mills County, OK | Oil & Gas Property | Mar 2026 |
| 140964 | ZULCH, SALLY | Madison County, TX | Oil & Gas Property | Feb 2026 |
| 140965 | ZULETTE | Reagan County, TX | Oil & Gas Property | Jan 2026 |
| 140966 | ZULU | Mountrail County, ND | Oil & Gas Property | Apr 2026 |
| 140967 | ZUM 28-13-7 | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 140968 | ZUM MALLEN | Canadian County, OK | Oil & Gas Property | Feb 2021 |
| 140969 | ZUM MALLEN 1307 | Canadian County, OK | Oil & Gas Property | Mar 2026 |
| 140970 | ZUMA 3 | Loving County, TX | Oil & Gas Property | Mar 2026 |
| 140971 | ZUMA 57-T1-3X10 | Loving County, TX | Oil & Gas Property | Mar 2026 |
| 140972 | ZUMBACH UNIT | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 140973 | ZUMBRO | Franklin County, MS | Oil & Gas Property | Jul 2021 |
| 140974 | ZUMMALLEN | Kingfisher County, OK | Oil & Gas Property | Mar 2026 |
| 140975 | ZUMPETTA, LAWRENCE ET AL ZMBG | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 140976 | ZUMWALT | Colusa County, CA | Gas Property | Mar 2026 |
| 140977 | ZUMWALT | Stephens County, OK | Oil & Gas Property | Mar 2026 |
| 140978 | ZUMWALT | Colusa County, CA | Gas Property | Jul 2005 |
| 140979 | ZUMWALT | Colusa County, CA | Gas Property | Jun 1988 |
| 140980 | ZUMWALT | Glenn County, CA | Gas Property | Sep 2009 |
| 140981 | ZUPSIC | Allegheny County, PA | Gas Property | Dec 2025 |
| 140982 | ZURBRUGG | Columbiana County, OH | Oil & Gas Property | Dec 2025 |
| 140983 | ZURICH | Seminole County, OK | Oil & Gas Property | Mar 2026 |
| 140984 | ZURICH TOWNSITE | Rooks County, KS | Oil Property | Aug 1999 |
| 140985 | ZUTZ 5693 44-12T | Mountrail County, ND | Oil & Gas Property | Apr 2026 |
| 140986 | ZVOLANEK | Ellsworth County, KS | Oil Property | Jan 2026 |
| 140987 | ZWAHLEN | Muskingum County, OH | Oil & Gas Property | Dec 2025 |
| 140988 | ZWEIG | Gray County, TX | Gas Property | Apr 2004 |
| 140989 | ZWENKE 34-11H | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 140990 | ZWERNEMANN | Jim Wells County, TX | Oil & Gas Property | Sep 2025 |
| 140991 | ZWEYGARDT | Cheyenne County, KS | Oil & Gas Property | Feb 2026 |
| 140992 | ZWEYGARDT | Cheyenne County, KS | Gas Property | Feb 2026 |
| 140993 | ZWEYGARDT | Cheyenne County, KS | Gas Property | Feb 2026 |
| 140994 | ZWICK | Rice County, KS | Oil Property | Jan 2026 |
| 140995 | ZWILLICH | Ellsworth County, KS | Oil Property | Feb 2026 |
| 140996 | ZWIRN | Yuma County, CO | Gas Property | Apr 2026 |
| 140997 | ZWIRN | Yuma County, CO | Gas Property | Apr 2026 |
| 140998 | ZYBACH | Wheeler County, TX | Oil & Gas Property | Mar 2026 |
| 140999 | ZYBACH | Wheeler County, TX | Oil & Gas Property | Mar 2026 |
| 141000 | ZYBACH 6 | Wheeler County, TX | Oil & Gas Property | Feb 2025 |