| 139401 | ZERBST | Niobrara County, WY | Oil & Gas Property | Mar 2020 |
| 139402 | ZERBST | Niobrara County, WY | Oil & Gas Property | Sep 2018 |
| 139403 | ZERBST FE | Niobrara County, WY | Oil & Gas Property | Aug 2024 |
| 139404 | ZERENER | Sumner County, KS | Oil Property | Apr 2019 |
| 139405 | ZERFAS | Ellis County, KS | Oil Property | Jun 2024 |
| 139406 | ZERGER | Rooks County, KS | Oil Property | May 2024 |
| 139407 | ZERGER | Kingman County, KS | Oil & Gas Property | Feb 2024 |
| 139408 | ZERGER | Kingman County, KS | Oil & Gas Property | May 2024 |
| 139409 | ZEROVICH 1H | Trumbull County, OH | Oil & Gas Property | Jun 2024 |
| 139410 | ZERR | Logan County, KS | Oil Property | Jun 2024 |
| 139411 | ZERR TRUST | Gove County, KS | Oil Property | Jun 2024 |
| 139412 | ZERTUCHE | Starr County, TX | Oil & Gas Property | Jul 2024 |
| 139413 | ZERVOS | Greene County, PA | Oil & Gas Property | Dec 2023 |
| 139414 | ZERWER UNIT | Denton County, TX | Oil & Gas Property | Jul 2024 |
| 139415 | ZETA REED | Big Horn County, MT | Oil Property | Jul 2024 |
| 139416 | ZETAS | Andrews County, TX | Oil & Gas Property | Jul 2024 |
| 139417 | ZETKA JOSEF | Jackson County, TX | Oil & Gas Property | Oct 2015 |
| 139418 | ZETTA | Ector County, TX | Oil & Gas Property | Jun 2016 |
| 139419 | ZETTIE 1-23-26XHM | Custer County, OK | Oil & Gas Property | Jun 2024 |
| 139420 | ZEUS | Madison County, TX | Oil & Gas Property | Jun 2024 |
| 139421 | ZEUS | Westmoreland County, PA | Gas Property | Jul 2024 |
| 139422 | ZEUS 149-93-33D-28H | Dunn County, ND | Oil & Gas Property | Aug 2024 |
| 139423 | ZEUS 2 11 2BS FEDERAL COM | Lea County, NM | Oil & Gas Property | Jul 2024 |
| 139424 | ZEUS 24 | Lea County, NM | Oil & Gas Property | Jul 2024 |
| 139425 | ZEUS 7-6 UNIT | Martin County, TX | Oil & Gas Property | Jul 2024 |
| 139426 | ZEUS FE | Campbell County, WY | Oil & Gas Property | Jul 2024 |
| 139427 | ZEUS STATE | Lea County, NM | Oil & Gas Property | Jul 2024 |
| 139428 | ZEV 22 UNIT 1H | Culberson County, TX | Oil & Gas Property | Jul 2024 |
| 139429 | ZGABAY | Lee County, TX | Oil & Gas Property | Jul 2024 |
| 139430 | ZGABAY A | Dewitt County, TX | Oil & Gas Property | Jul 2024 |
| 139431 | ZGABAY B UNIT | Lee County, TX | Oil Property | Jul 2024 |
| 139432 | ZGABAY EF UNIT | Burleson County, TX | Oil & Gas Property | Jul 2024 |
| 139433 | ZGABAY,RAYMOND | Burleson County, TX | Oil & Gas Property | Apr 2020 |
| 139434 | ZGRABIK | Ashtabula County, OH | Oil & Gas Property | Dec 2016 |
| 139435 | ZHOU X.X | Caldwell County, TX | Oil Property | Apr 2024 |
| 139436 | ZHU 2331 WC | Eddy County, NM | Oil & Gas Property | Jul 2024 |
| 139437 | ZIA AHZ FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jul 2024 |
| 139438 | ZIA FEDERAL COM | Lea County, NM | Oil & Gas Property | Jul 2024 |
| 139439 | ZIA HILLS UNIT | Eddy County, NM | Oil & Gas Property | Jul 2024 |
| 139440 | ZIA HILLS UNIT 2532 BS | Lea County, NM | Oil & Gas Property | Jul 2024 |
| 139441 | ZICKAFOOSE | Upshur County, WV | Gas Property | Dec 2021 |
| 139442 | ZICKAFOOSE, S. H | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 139443 | ZICKEFOOSE | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 139444 | ZICKEFOOSE, CHARLES, ET AL | Upshur County, WV | Gas Property | Dec 2021 |
| 139445 | ZIEBOLD, JOHN ET AL | Perry County, KY | Gas Property | Dec 2020 |
| 139446 | ZIEBOLD, W | Knott County, KY | Oil & Gas Property | Dec 2020 |
| 139447 | ZIEGELGRUBER | Oklahoma County, OK | Oil & Gas Property | Sep 2023 |
| 139448 | ZIEGENBALG | Gove County, KS | Oil Property | Jun 2024 |
| 139449 | ZIEGLER | Tarrant County, TX | Gas Property | Jul 2024 |
| 139450 | ZIEGLER | Trego County, KS | Oil Property | Nov 1993 |
| 139451 | ZIEGLER | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 139452 | ZIEGLER | Venango County, PA | Oil Property | Dec 2023 |
| 139453 | ZIEGLER | Sheridan County, KS | Oil Property | Jun 2024 |
| 139454 | ZIEGLER | Toole County, MT | Gas Property | Jul 2024 |
| 139455 | ZIEGLER | Sheridan County, KS | Oil Property | Aug 2023 |
| 139456 | ZIEGLER | Sheridan County, KS | Oil Property | Feb 2024 |
| 139457 | ZIEGLER | Gregg County, TX | Oil & Gas Property | Jul 2024 |
| 139458 | ZIEGLER | Lavaca County, TX | Oil & Gas Property | Aug 2023 |
| 139459 | ZIEGLER | Logan County, CO | Oil & Gas Property | Jul 2024 |
| 139460 | ZIEGLER 03 001 0 | Bradford County, PA | Gas Property | Jul 2024 |
| 139461 | ZIEGLER TRUST | Gove County, KS | Oil Property | Jun 2024 |
| 139462 | ZIEGLERS WASH | Lincoln County, WY | Oil & Gas Property | Aug 2024 |
| 139463 | ZIEGLSCHMID | Robertson County, TX | Oil & Gas Property | Jul 2024 |
| 139464 | ZIEHM | Manistee County, MI | Oil & Gas Property | May 1985 |
| 139465 | ZIEMER | Weld County, CO | Oil & Gas Property | Jul 2024 |
| 139466 | ZIENTEK UNIT | Dimmit County, TX | Oil & Gas Property | Jul 2024 |
| 139467 | ZIESKE | Coleman County, TX | Oil & Gas Property | Jul 2024 |
| 139468 | ZIFF | Centre County, PA | Gas Property | Dec 2023 |
| 139469 | ZIFFEL BEY STATE COM | Eddy County, NM | Oil & Gas Property | Dec 2021 |
| 139470 | ZIFFLE | Howard County, TX | Oil & Gas Property | Feb 2023 |
| 139471 | ZIGGY USX AB 19-99HZ | Weld County, CO | Oil & Gas Property | Jul 2024 |
| 139472 | ZIGLER | Stephens County, OK | Oil Property | Jul 2022 |
| 139473 | ZILLINGER | Phillips County, KS | Oil Property | May 2024 |
| 139474 | ZIM FEDERAL 5-11 | Crook County, WY | Oil Property | Aug 2024 |
| 139475 | ZIMA | McClain County, OK | Oil & Gas Property | Jun 2024 |
| 139476 | ZIMBELMAN | Cheyenne County, KS | Gas Property | Jun 2024 |
| 139477 | ZIMBELMAN | Cheyenne County, KS | Gas Property | Jun 2024 |
| 139478 | ZIMBELMAN | Cheyenne County, KS | Gas Property | Jun 2024 |
| 139479 | ZIMBELMAN 1-28 | Cheyenne County, KS | Oil Property | Jun 2024 |
| 139480 | ZIMMER | Ellis County, KS | Oil & Gas Property | May 2024 |
| 139481 | ZIMMER | Noble County, OH | Oil & Gas Property | Jun 2024 |
| 139482 | ZIMMER | Grant County, KS | Oil & Gas Property | Jan 2002 |
| 139483 | ZIMMER | Barton County, KS | Oil Property | Jun 2024 |
| 139484 | ZIMMER | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 139485 | ZIMMER | Victoria County, TX | Oil & Gas Property | Jul 2024 |
| 139486 | ZIMMER RONALD 10007 | Washington County, PA | Gas Property | Jul 2024 |
| 139487 | ZIMMER-MCGREGOR FEE | Kern County, CA | Oil Property | Feb 1991 |
| 139488 | ZIMMERER | Cooke County, TX | Oil & Gas Property | Jul 2024 |
| 139489 | ZIMMERHANZEL | Webb County, TX | Oil & Gas Property | Jul 2024 |
| 139490 | ZIMMERHANZEL | Fayette County, TX | Oil & Gas Property | Jun 2024 |
| 139491 | ZIMMERLI 05 074 0 | Bradford County, PA | Gas Property | Jul 2024 |
| 139492 | ZIMMERLY | Wayne County, OH | Oil & Gas Property | Dec 2023 |
| 139493 | ZIMMERLY | Erie County, PA | Gas Property | Dec 2023 |
| 139494 | ZIMMERMAN | Jefferson County, PA | Gas Property | Dec 2023 |
| 139495 | ZIMMERMAN | Wayne County, OH | Oil & Gas Property | Dec 2023 |
| 139496 | ZIMMERMAN | Yates County, NY | Gas Property | Dec 2023 |
| 139497 | ZIMMERMAN | Weld County, CO | Oil & Gas Property | Feb 2022 |
| 139498 | ZIMMERMAN | Bay County, MI | Oil Property | Jul 2024 |
| 139499 | ZIMMERMAN | Eastland County, TX | Oil & Gas Property | Jun 2024 |
| 139500 | ZIMMERMAN | Venango County, PA | Oil Property | Dec 2023 |