| 1 | Z ABNEY | Caddo Parish, LA | Oil Property | Dec 2024 |
| 2 | Z BAR | Barber County, KS | Oil & Gas Property | Feb 2026 |
| 3 | Z BAR | Woods County, OK | Oil & Gas Property | Aug 2021 |
| 4 | Z BAR | Barber County, KS | Oil & Gas Property | Feb 2026 |
| 5 | Z JOE | Le Flore County, OK | Gas Property | Feb 2026 |
| 6 | Z&T 20 | Loving County, TX | Oil & Gas Property | Mar 2026 |
| 7 | Z&T 32 | Loving County, TX | Oil & Gas Property | Mar 2026 |
| 8 | Z&T 42 | Loving County, TX | Oil & Gas Property | Mar 2026 |
| 9 | Z-28 STATE UNIT | Chaves County, NM | Oil & Gas Property | Jan 2014 |
| 10 | Z-BAR CATTLE | Barber County, KS | Oil Property | Oct 2023 |
| 11 | Z-BAR CATTLE | Barber County, KS | Oil & Gas Property | Feb 2026 |
| 12 | Z-BAR RANCH | Barber County, KS | Oil & Gas Property | Feb 2026 |
| 13 | Z-BAR RANCH | Barber County, KS | Gas Property | Dec 2020 |
| 14 | Z-BAR RANCH 1 | Barber County, KS | Gas Property | Jan 2016 |
| 15 | Z-BARCATTLE | Barber County, KS | Oil & Gas Property | Apr 2011 |
| 16 | Z. GOULD | Hamilton County, KS | Gas Property | May 2001 |
| 17 | Z.A (CITY OF ZANESVILLE) | Muskingum County, OH | Oil & Gas Property | Dec 2025 |
| 18 | ZABKA | Weld County, CO | Oil & Gas Property | Apr 2018 |
| 19 | ZABKA K 2 | Weld County, CO | Oil & Gas Property | Dec 2020 |
| 20 | ZABOLOTNY | Billings County, ND | Oil & Gas Property | Apr 2026 |
| 21 | ZABOLOTNY OBSERVATION | Billings County, ND | Oil & Gas Property | Jul 2024 |
| 22 | ZACATE UNIT 151-152 | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 23 | ZACAWEISTA UNIT | Wilbarger County, TX | Oil & Gas Property | Mar 2026 |
| 24 | ZACCHAEUS 3 UNIT | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 25 | ZACH | Parker County, TX | Oil & Gas Property | Mar 2026 |
| 26 | ZACH 17 8 A1 | Lea County, NM | Oil & Gas Property | Mar 2026 |
| 27 | ZACH 17 8 A2 | Lea County, NM | Oil & Gas Property | Mar 2026 |
| 28 | ZACH 17 8 B2NC FEDERAL COM | Lea County, NM | Oil & Gas Property | Mar 2026 |
| 29 | ZACH 17 8 FEDERAL COM | Lea County, NM | Oil & Gas Property | Mar 2026 |
| 30 | ZACH 17 8 W0MD FEDERAL COM | Lea County, NM | Oil & Gas Property | Mar 2026 |
| 31 | ZACH 17 8 W1 | Lea County, NM | Oil & Gas Property | Mar 2026 |
| 32 | ZACH 17 FEDERAL | Lea County, NM | Oil & Gas Property | Mar 2026 |
| 33 | ZACH 17 W0NC FEDERAL | Lea County, NM | Oil & Gas Property | Mar 2026 |
| 34 | ZACH C 11 | Weld County, CO | Oil & Gas Property | Sep 2016 |
| 35 | ZACH MCCORMICK FEDERAL COM | Eddy County, NM | Oil & Gas Property | Mar 2026 |
| 36 | ZACHARY | Clay County, TX | Oil & Gas Property | Feb 2026 |
| 37 | ZACHARY | Winkler County, TX | Oil & Gas Property | Mar 2026 |
| 38 | ZACHARY | Montague County, TX | Oil & Gas Property | Mar 2026 |
| 39 | ZACHARY | San Juan County, NM | Oil & Gas Property | Mar 2026 |
| 40 | ZACHARY | Caddo County, OK | Oil Property | Mar 2026 |
| 41 | ZACHERL UNIT 1H | Butler County, PA | Gas Property | Mar 2026 |
| 42 | ZACHERY 14-10H | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 43 | ZACHGO | Logan County, OK | Oil & Gas Property | Feb 2026 |
| 44 | ZACHMAN | Ellis County, KS | Oil Property | Jan 2026 |
| 45 | ZACHMAN | Ellis County, KS | Oil Property | Jan 2026 |
| 46 | ZACHOR | Toole County, MT | Oil Property | Sep 2024 |
| 47 | ZACHRY | San Juan County, NM | Oil & Gas Property | Mar 2026 |
| 48 | ZACHRY | Zapata County, TX | Gas Property | Mar 2026 |
| 49 | ZACHRY | Webb County, TX | Oil & Gas Property | Mar 2026 |
| 50 | ZACHRY | Zapata County, TX | Oil & Gas Property | Mar 2026 |
| 51 | ZACHRY, E. B | Zapata County, TX | Oil & Gas Property | Mar 2026 |
| 52 | ZACK | Coffey County, KS | Oil Property | Mar 2022 |
| 53 | ZACKIE WALTERS | Grady County, OK | Oil & Gas Property | Feb 2026 |
| 54 | ZACOUR | Armstrong County, PA | Gas Property | Dec 2025 |
| 55 | ZADEL | Weld County, CO | Oil & Gas Property | Nov 2023 |
| 56 | ZADOW | Richland County, MT | Oil & Gas Property | Mar 2026 |
| 57 | ZAESKE-ECKOLS | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 58 | ZAFT, VALENTINE | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 59 | ZAGER | Weston County, WY | Oil & Gas Property | Apr 2026 |
| 60 | ZAHN | Beaver County, PA | Gas Property | Mar 2026 |
| 61 | ZAHN | Lamb County, TX | Oil & Gas Property | Feb 2026 |
| 62 | ZAHNER | Washington County, OK | Oil Property | Mar 2026 |
| 63 | ZAHORSKY | Barton County, KS | Oil Property | Feb 2026 |
| 64 | ZAHORSKY | Woods County, OK | Oil & Gas Property | Jun 2023 |
| 65 | ZAHORSKY | Woods County, OK | Oil & Gas Property | Mar 2026 |
| 66 | ZAHOUREK | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 67 | ZAHURSKY | Clearfield County, PA | Gas Property | Dec 2025 |
| 68 | ZAIN 26 | Upton County, TX | Oil & Gas Property | Mar 2026 |
| 69 | ZAIONTZ A | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 70 | ZAIONTZ-OPIELA AA | Wilson County, TX | Oil & Gas Property | Mar 2026 |
| 71 | ZAIONTZ-SHIRLEY ZAIONTZ A | Wilson County, TX | Oil & Gas Property | Mar 2026 |
| 72 | ZAIT | Eddy County, NM | Oil Property | Jun 2022 |
| 73 | ZAJIC | Barton County, KS | Oil Property | Nov 2021 |
| 74 | ZAKAIB, PAUL JR | Kanawha County, WV | Oil Property | Sep 2002 |
| 75 | ZALAC | Fayette County, PA | Gas Property | Mar 2026 |
| 76 | ZALESKI | Bradford County, PA | Gas Property | Mar 2026 |
| 77 | ZALESKY | Stark County, ND | Oil & Gas Property | Apr 2026 |
| 78 | ZALMAN | Lavaca County, TX | Oil & Gas Property | Feb 2021 |
| 79 | ZALOUDEK | Garfield County, OK | Oil & Gas Property | Feb 2026 |
| 80 | ZALOUDEK | Garfield County, OK | Oil & Gas Property | Mar 2026 |
| 81 | ZALOUDEK | Garfield County, OK | Oil & Gas Property | Jan 2021 |
| 82 | ZALOUDIK | Canadian County, OK | Oil & Gas Property | Jul 2023 |
| 83 | ZAMBESI | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 84 | ZAMORA | Webb County, TX | Oil & Gas Property | Mar 2026 |
| 85 | ZAMORA | Starr County, TX | Oil & Gas Property | Mar 2026 |
| 86 | ZAMORA S SAND GU | Hidalgo County, TX | Oil & Gas Property | May 2023 |
| 87 | ZAMORA UNIT | Hidalgo County, TX | Oil & Gas Property | Jun 2023 |
| 88 | ZAMORA UNIT I | La Salle County, TX | Oil & Gas Property | Mar 2026 |
| 89 | ZANDER | Grant County, OK | Oil & Gas Property | Oct 2019 |
| 90 | ZANDRA USA 11-3TFH-2B | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 91 | ZANE 32-24H | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 92 | ZANE ABS FEDERAL | Chaves County, NM | Oil & Gas Property | Mar 2026 |
| 93 | ZANE E IRVIN | Clearfield County, PA | Gas Property | Dec 2025 |
| 94 | ZANE FEDERAL 21X-6 | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 95 | ZANETTI | Solano County, CA | Oil & Gas Property | Sep 2001 |
| 96 | ZANGER | Miller County, AR | Oil Property | Mar 2026 |
| 97 | ZANOLINI | Fresno County, CA | Oil & Gas Property | May 2004 |
| 98 | ZANT | Howard County, TX | Oil & Gas Property | Jan 2026 |
| 99 | ZANT | Martin County, TX | Oil & Gas Property | Mar 2026 |
| 100 | ZANT | Glasscock County, TX | Oil & Gas Property | Mar 2026 |