| 141201 | ZENO KING GAS UNIT | Freestone County, TX | Oil & Gas Property | Apr 2026 |
| 141202 | ZENT 14-11SH | Fallon County, MT | Oil & Gas Property | Apr 2026 |
| 141203 | ZENTNER | Richardson County, NE | Oil Property | Dec 2025 |
| 141204 | ZENYATTA 2 | Stephens County, OK | Oil & Gas Property | Mar 2026 |
| 141205 | ZEOLITE FED | Sweetwater County, WY | Oil & Gas Property | Oct 2024 |
| 141206 | ZEON 1807 | Kingfisher County, OK | Oil & Gas Property | Mar 2026 |
| 141207 | ZEPEDA | Caldwell County, TX | Oil & Gas Property | Apr 2026 |
| 141208 | ZEPHYR 1-36H | Mountrail County, ND | Oil & Gas Property | Apr 2026 |
| 141209 | ZEPHYR FEDERAL | Mountrail County, ND | Oil & Gas Property | Apr 2026 |
| 141210 | ZEPPELIN 1606 | Kingfisher County, OK | Oil & Gas Property | Mar 2026 |
| 141211 | ZEPPELIN 32 W | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 141212 | ZEPPO | Lipscomb County, TX | Oil & Gas Property | Apr 2026 |
| 141213 | ZEPPO 5 FEDERAL COM 0 | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 141214 | ZERBST | Niobrara County, WY | Oil & Gas Property | May 2026 |
| 141215 | ZERBST | Niobrara County, WY | Oil & Gas Property | Mar 2026 |
| 141216 | ZERBST | Niobrara County, WY | Oil & Gas Property | Sep 2018 |
| 141217 | ZERBST FE | Niobrara County, WY | Oil & Gas Property | May 2026 |
| 141218 | ZERENER | Sumner County, KS | Oil Property | Apr 2019 |
| 141219 | ZERFAS | Ellis County, KS | Oil Property | Feb 2026 |
| 141220 | ZERGER | Rooks County, KS | Oil Property | Jan 2026 |
| 141221 | ZERGER | Kingman County, KS | Oil & Gas Property | Feb 2026 |
| 141222 | ZERGER | Kingman County, KS | Oil & Gas Property | Feb 2026 |
| 141223 | ZERR | Logan County, KS | Oil Property | Dec 2025 |
| 141224 | ZERR TRUST | Gove County, KS | Oil Property | Feb 2026 |
| 141225 | ZERTUCHE | Starr County, TX | Oil & Gas Property | Apr 2026 |
| 141226 | ZERVOS | Greene County, PA | Oil & Gas Property | Dec 2025 |
| 141227 | ZERWER UNIT | Denton County, TX | Oil & Gas Property | Apr 2026 |
| 141228 | ZETA 20 | Kingfisher County, OK | Oil & Gas Property | May 2016 |
| 141229 | ZETA REED | Big Horn County, MT | Oil Property | Dec 2024 |
| 141230 | ZETAS | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 141231 | ZETTA | Ector County, TX | Oil & Gas Property | Jun 2016 |
| 141232 | ZETTIE 1-23-26XHM | Custer County, OK | Oil & Gas Property | Mar 2026 |
| 141233 | ZEUS | Madison County, TX | Oil & Gas Property | Apr 2026 |
| 141234 | ZEUS | Seminole County, OK | Oil Property | Mar 2026 |
| 141235 | ZEUS | Westmoreland County, PA | Gas Property | Apr 2026 |
| 141236 | ZEUS 149-93-33D-28H | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 141237 | ZEUS 2 11 2BS FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 141238 | ZEUS 24 | Lea County, NM | Oil & Gas Property | May 2026 |
| 141239 | ZEUS 7-6 UNIT | Martin County, TX | Oil & Gas Property | Apr 2026 |
| 141240 | ZEUS FE | Campbell County, WY | Oil & Gas Property | Apr 2026 |
| 141241 | ZEUS STATE | Lea County, NM | Oil & Gas Property | May 2026 |
| 141242 | ZEV 22 UNIT 1H | Culberson County, TX | Oil & Gas Property | Apr 2026 |
| 141243 | ZGABAY | Lee County, TX | Oil & Gas Property | Apr 2026 |
| 141244 | ZGABAY A | Dewitt County, TX | Oil & Gas Property | Apr 2026 |
| 141245 | ZGABAY B UNIT | Lee County, TX | Oil Property | Mar 2026 |
| 141246 | ZGABAY EF UNIT | Burleson County, TX | Oil & Gas Property | Mar 2026 |
| 141247 | ZGABAY RAYMOND | Burleson County, TX | Oil & Gas Property | Apr 2020 |
| 141248 | ZGRABIK | Ashtabula County, OH | Oil & Gas Property | Dec 2016 |
| 141249 | ZIA AHZ FEDERAL COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 141250 | ZIA FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 141251 | ZIA HILLS UNIT | Eddy County, NM | Oil & Gas Property | May 2026 |
| 141252 | ZIA HILLS UNIT 2532 BS | Lea County, NM | Oil & Gas Property | May 2026 |
| 141253 | ZICKAFOOSE | Upshur County, WV | Gas Property | Dec 2021 |
| 141254 | ZICKAFOOSE, S. H | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 141255 | ZICKEFOOSE | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 141256 | ZICKEFOOSE, CHARLES, ET AL | Upshur County, WV | Gas Property | Dec 2021 |
| 141257 | ZIEBELL | Logan County, OK | Oil & Gas Property | Nov 2014 |
| 141258 | ZIEBOLD, JOHN ET AL | Perry County, KY | Gas Property | Dec 2024 |
| 141259 | ZIEBOLD, W | Knott County, KY | Oil & Gas Property | Dec 2024 |
| 141260 | ZIEGELGRUBER | Oklahoma County, OK | Oil & Gas Property | Apr 2026 |
| 141261 | ZIEGENBALG | Gove County, KS | Oil Property | Dec 2025 |
| 141262 | ZIEGLER | Tarrant County, TX | Gas Property | Apr 2026 |
| 141263 | ZIEGLER | Trego County, KS | Oil Property | Nov 1993 |
| 141264 | ZIEGLER | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 141265 | ZIEGLER | Venango County, PA | Oil Property | Dec 2025 |
| 141266 | ZIEGLER | Sheridan County, KS | Oil Property | Apr 2025 |
| 141267 | ZIEGLER | Toole County, MT | Gas Property | Apr 2026 |
| 141268 | ZIEGLER | Sheridan County, KS | Oil Property | Aug 2023 |
| 141269 | ZIEGLER | Sheridan County, KS | Oil Property | Feb 2026 |
| 141270 | ZIEGLER | Gregg County, TX | Oil & Gas Property | Apr 2026 |
| 141271 | ZIEGLER | Lavaca County, TX | Oil & Gas Property | Aug 2023 |
| 141272 | ZIEGLER | Logan County, CO | Oil & Gas Property | Feb 2026 |
| 141273 | ZIEGLER 03 001 0 | Bradford County, PA | Gas Property | Apr 2026 |
| 141274 | ZIEGLER TRUST | Gove County, KS | Oil Property | Feb 2026 |
| 141275 | ZIEGLERS WASH | Lincoln County, WY | Oil & Gas Property | Apr 2026 |
| 141276 | ZIEGLSCHMID | Robertson County, TX | Oil & Gas Property | Apr 2026 |
| 141277 | ZIEHM | Manistee County, MI | Oil & Gas Property | May 1985 |
| 141278 | ZIELINSKI | Manistee County, MI | Oil & Gas Property | Jun 2023 |
| 141279 | ZIEMER | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 141280 | ZIENTEK UNIT | Dimmit County, TX | Oil & Gas Property | Apr 2026 |
| 141281 | ZIESKE | Coleman County, TX | Oil & Gas Property | Apr 2026 |
| 141282 | ZIFF | Centre County, PA | Gas Property | Dec 2025 |
| 141283 | ZIFFEL BEY STATE COM | Eddy County, NM | Oil & Gas Property | Dec 2021 |
| 141284 | ZIFFLE | Howard County, TX | Oil & Gas Property | Jan 2026 |
| 141285 | ZIGGY USX AB 19-99HZ | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 141286 | ZIGLER | Stephens County, OK | Oil Property | Jul 2022 |
| 141287 | ZILANT UNIT | Borden County, TX | Oil & Gas Property | Mar 2026 |
| 141288 | ZILLINGER | Phillips County, KS | Oil Property | Jan 2026 |
| 141289 | ZIMA | McClain County, OK | Oil & Gas Property | Apr 2026 |
| 141290 | ZIMBELMAN | Cheyenne County, KS | Gas Property | Feb 2026 |
| 141291 | ZIMBELMAN | Cheyenne County, KS | Gas Property | Feb 2026 |
| 141292 | ZIMBELMAN | Cheyenne County, KS | Gas Property | Feb 2026 |
| 141293 | ZIMBELMAN 1-28 | Cheyenne County, KS | Oil Property | Feb 2026 |
| 141294 | ZIMMER | Ellis County, KS | Oil & Gas Property | Feb 2026 |
| 141295 | ZIMMER | Grant County, KS | Oil & Gas Property | Jan 2002 |
| 141296 | ZIMMER | Barton County, KS | Oil Property | Feb 2026 |
| 141297 | ZIMMER | Washington County, OH | Oil & Gas Property | Dec 2025 |
| 141298 | ZIMMER | Victoria County, TX | Oil & Gas Property | Apr 2026 |
| 141299 | ZIMMER RONALD 10007 | Washington County, PA | Gas Property | Apr 2026 |
| 141300 | ZIMMER-MCGREGOR FEE | Kern County, CA | Oil Property | Feb 1991 |