| 141301 | ZELENC | Weston County, WY | Oil & Gas Property | Jul 2026 |
| 141302 | ZELENIAK | Murray County, OK | Oil & Gas Property | Nov 2025 |
| 141303 | ZELEZNIK-200A | Armstrong County, PA | Gas Property | Dec 2025 |
| 141304 | ZELL | Toole County, MT | Gas Property | Dec 2014 |
| 141305 | ZELL | Moore County, TX | Gas Property | May 2026 |
| 141306 | ZELLA | Moore County, TX | Gas Property | Jun 2026 |
| 141307 | ZELLA | Blaine County, OK | Oil & Gas Property | Jun 2026 |
| 141308 | ZELLA CALLOWAY | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 141309 | ZELLA CROMWELL RANCH | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 141310 | ZELLAR | Muskingum County, OH | Oil & Gas Property | Dec 2017 |
| 141311 | ZELLARS | Carter County, OK | Oil & Gas Property | Jun 2026 |
| 141312 | ZELLER | Pontotoc County, OK | Oil & Gas Property | Jun 2026 |
| 141313 | ZELLER | Trego County, KS | Oil Property | Aug 2025 |
| 141314 | ZELLER | Seminole County, OK | Oil Property | Jun 2026 |
| 141315 | ZELLERS | Stark County, OH | Oil & Gas Property | Dec 2025 |
| 141316 | ZELLITTI | La Plata County, CO | Gas Property | May 2026 |
| 141317 | ZELLMAN | Allegan County, MI | Oil & Gas Property | Jun 2026 |
| 141318 | ZELMA AUSTIN | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 141319 | ZELOS | Andrews County, TX | Oil & Gas Property | Jun 2021 |
| 141320 | ZEMAN | Trego County, KS | Oil Property | Sep 2025 |
| 141321 | ZEMAN | Kay County, OK | Oil Property | Jan 2023 |
| 141322 | ZEMAN 3-16 | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 141323 | ZEMAN 40 ALLOC | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 141324 | ZEMAN-STATE A | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 141325 | ZEMANEK UNIT EB | Brazos County, TX | Oil & Gas Property | May 2026 |
| 141326 | ZENA | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 141327 | ZENA 1 | Washita County, OK | Oil & Gas Property | Jun 2026 |
| 141328 | ZENGERLE | Dewitt County, TX | Oil & Gas Property | May 2024 |
| 141329 | ZENGERLE WAYNE O | Dewitt County, TX | Oil & Gas Property | Mar 2011 |
| 141330 | ZENITH | Fayette County, PA | Gas Property | Dec 2025 |
| 141331 | ZENITH STATE 19-0-6-43 | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 141332 | ZENITH WATERFLOO | Stafford County, KS | Oil Property | May 2026 |
| 141333 | ZENITH-NEWTON | Stark County, ND | Oil & Gas Property | Dec 2014 |
| 141334 | ZENO KING GAS UNIT | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 141335 | ZENT 14-11SH | Fallon County, MT | Oil & Gas Property | Jun 2026 |
| 141336 | ZENTNER | Richardson County, NE | Oil Property | Dec 2025 |
| 141337 | ZENYATTA 2 | Stephens County, OK | Oil & Gas Property | Jun 2026 |
| 141338 | ZEOLITE FED | Sweetwater County, WY | Oil & Gas Property | Oct 2024 |
| 141339 | ZEPEDA | Caldwell County, TX | Oil & Gas Property | May 2026 |
| 141340 | ZEPHYR 1-36H | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 141341 | ZEPHYR FEDERAL | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 141342 | ZEPPELIN 1606 | Kingfisher County, OK | Oil & Gas Property | Jun 2026 |
| 141343 | ZEPPELIN 32 W | Eddy County, NM | Oil & Gas Property | Jun 2026 |
| 141344 | ZEPPO | Lipscomb County, TX | Oil & Gas Property | Jun 2026 |
| 141345 | ZEPPO 5 FEDERAL COM 0 | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 141346 | ZERBST | Niobrara County, WY | Oil & Gas Property | Jul 2026 |
| 141347 | ZERBST | Niobrara County, WY | Oil & Gas Property | Apr 2026 |
| 141348 | ZERBST | Niobrara County, WY | Oil & Gas Property | Sep 2018 |
| 141349 | ZERBST FE | Niobrara County, WY | Oil & Gas Property | Jul 2026 |
| 141350 | ZERENER | Sumner County, KS | Oil Property | Apr 2019 |
| 141351 | ZERFAS | Ellis County, KS | Oil Property | May 2026 |
| 141352 | ZERGER | Rooks County, KS | Oil Property | Mar 2026 |
| 141353 | ZERGER | Kingman County, KS | Oil & Gas Property | May 2026 |
| 141354 | ZERGER | Kingman County, KS | Oil & Gas Property | May 2026 |
| 141355 | ZERR | Logan County, KS | Oil Property | Mar 2026 |
| 141356 | ZERR TRUST | Gove County, KS | Oil Property | May 2026 |
| 141357 | ZERTUCHE | Starr County, TX | Oil & Gas Property | Jun 2026 |
| 141358 | ZERVOS | Greene County, PA | Oil & Gas Property | Dec 2025 |
| 141359 | ZERWER UNIT | Denton County, TX | Oil & Gas Property | Jun 2026 |
| 141360 | ZETA 20 | Kingfisher County, OK | Oil & Gas Property | May 2016 |
| 141361 | ZETA REED | Big Horn County, MT | Oil Property | Dec 2024 |
| 141362 | ZETAS | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 141363 | ZETTA | Ector County, TX | Oil & Gas Property | Jun 2016 |
| 141364 | ZETTIE 1-23-26XHM | Custer County, OK | Oil & Gas Property | Jun 2026 |
| 141365 | ZEUS | Madison County, TX | Oil & Gas Property | May 2026 |
| 141366 | ZEUS | Seminole County, OK | Oil Property | Jun 2026 |
| 141367 | ZEUS | Westmoreland County, PA | Gas Property | Jun 2026 |
| 141368 | ZEUS 149-93-33D-28H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 141369 | ZEUS 2 11 2BS FEDERAL COM | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 141370 | ZEUS 24 | Lea County, NM | Oil & Gas Property | Jul 2026 |
| 141371 | ZEUS 7-6 UNIT | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 141372 | ZEUS FE | Campbell County, WY | Oil & Gas Property | Jul 2026 |
| 141373 | ZEUS STATE | Lea County, NM | Oil & Gas Property | Jul 2026 |
| 141374 | ZEV 22 UNIT 1H | Culberson County, TX | Oil & Gas Property | Jun 2026 |
| 141375 | ZGABAY | Lee County, TX | Oil & Gas Property | Jun 2026 |
| 141376 | ZGABAY A | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 141377 | ZGABAY B UNIT | Lee County, TX | Oil Property | Jun 2026 |
| 141378 | ZGABAY EF UNIT | Burleson County, TX | Oil & Gas Property | May 2026 |
| 141379 | ZGABAY RAYMOND | Burleson County, TX | Oil & Gas Property | Apr 2020 |
| 141380 | ZGRABIK | Ashtabula County, OH | Oil & Gas Property | Dec 2016 |
| 141381 | ZIA AHZ FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jul 2026 |
| 141382 | ZIA FEDERAL COM | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 141383 | ZIA HILLS UNIT | Eddy County, NM | Oil & Gas Property | Jul 2026 |
| 141384 | ZIA HILLS UNIT 2532 BS | Lea County, NM | Oil & Gas Property | May 2026 |
| 141385 | ZICKAFOOSE | Upshur County, WV | Gas Property | Dec 2021 |
| 141386 | ZICKAFOOSE, S. H | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 141387 | ZICKEFOOSE | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 141388 | ZICKEFOOSE, CHARLES, ET AL | Upshur County, WV | Gas Property | Dec 2021 |
| 141389 | ZIEBELL | Logan County, OK | Oil & Gas Property | Nov 2014 |
| 141390 | ZIEBOLD, JOHN ET AL | Perry County, KY | Gas Property | Dec 2024 |
| 141391 | ZIEBOLD, W | Knott County, KY | Oil & Gas Property | Dec 2024 |
| 141392 | ZIEGELGRUBER | Oklahoma County, OK | Oil & Gas Property | Jul 2026 |
| 141393 | ZIEGENBALG | Gove County, KS | Oil Property | Mar 2026 |
| 141394 | ZIEGLER | Tarrant County, TX | Gas Property | Jun 2026 |
| 141395 | ZIEGLER | Trego County, KS | Oil Property | Nov 1993 |
| 141396 | ZIEGLER | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 141397 | ZIEGLER | Venango County, PA | Oil Property | Dec 2025 |
| 141398 | ZIEGLER | Sheridan County, KS | Oil Property | Apr 2025 |
| 141399 | ZIEGLER | Toole County, MT | Gas Property | Jun 2026 |
| 141400 | ZIEGLER | Sheridan County, KS | Oil Property | Aug 2023 |