| 140401 | YOLO-RANCH | Yolo County, CA | Gas Property | Sep 1994 |
| 140402 | YONALLY | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 140403 | YONDER 05 | Canadian County, OK | Oil & Gas Property | Jan 2025 |
| 140404 | YONKEE | Campbell County, WY | Gas Property | May 2009 |
| 140405 | YONKEE | Campbell County, WY | Gas Property | May 2016 |
| 140406 | YONKER GEORGE 11360 | Washington County, PA | Gas Property | Feb 2025 |
| 140407 | YONKIN | Sullivan County, PA | Gas Property | Feb 2025 |
| 140408 | YONTZ UNIT 1H | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 140409 | YORBA | Orange County, CA | Oil & Gas Property | Feb 1979 |
| 140410 | YORBA LINDA | Orange County, CA | Oil Property | Jan 1993 |
| 140411 | YORK | Clark County, KS | Gas Property | Sep 2018 |
| 140412 | YORK | Madison County, TX | Oil & Gas Property | Jun 2024 |
| 140413 | YORK | Wayne County, WV | Gas Property | Dec 2012 |
| 140414 | YORK | Archer County, TX | Oil Property | Jan 2025 |
| 140415 | YORK | Fisher County, TX | Oil & Gas Property | May 2020 |
| 140416 | YORK | Blaine County, OK | Oil & Gas Property | Jan 2025 |
| 140417 | YORK | Campbell County, WY | Oil Property | Feb 2025 |
| 140418 | YORK | Ector County, TX | Oil & Gas Property | Apr 2020 |
| 140419 | YORK | Los Angeles County, CA | Oil & Gas Property | Dec 2024 |
| 140420 | YORK | Comanche County, KS | Oil & Gas Property | Dec 2024 |
| 140421 | YORK | Tarrant County, TX | Gas Property | Jan 2025 |
| 140422 | YORK | Comanche County, KS | Oil & Gas Property | Sep 2015 |
| 140423 | YORK | Beaver County, OK | Gas Property | Feb 2015 |
| 140424 | YORK | Mitchell County, TX | Oil & Gas Property | Dec 2024 |
| 140425 | YORK | Van Zandt County, TX | Oil & Gas Property | Jan 2025 |
| 140426 | YORK | Live Oak County, TX | Oil & Gas Property | Jan 2025 |
| 140427 | YORK | Lane County, KS | Oil Property | Dec 2024 |
| 140428 | YORK | Lee County, TX | Oil & Gas Property | Jan 2025 |
| 140429 | YORK | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 140430 | YORK | Los Angeles County, CA | Oil Property | Jan 1993 |
| 140431 | YORK | Brown County, TX | Oil & Gas Property | Jan 2025 |
| 140432 | YORK | Lane County, KS | Oil Property | Dec 2024 |
| 140433 | YORK | Wilson County, KS | Gas Property | Dec 2024 |
| 140434 | YORK | Scott County, KS | Oil Property | Dec 2024 |
| 140435 | YORK (07-088 | Susquehanna County, PA | Gas Property | Feb 2025 |
| 140436 | YORK 1-2H | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 140437 | YORK 12-33-70 | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 140438 | YORK 19-33-69 USA A TR20H | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 140439 | YORK 480 | Tioga County, PA | Gas Property | Feb 2025 |
| 140440 | YORK B. P | Freestone County, TX | Oil & Gas Property | Jul 2010 |
| 140441 | YORK ESTATE -B | Archer County, TX | Oil & Gas Property | Jan 2025 |
| 140442 | YORK PLANTATION | Adams County, MS | Oil & Gas Property | Jan 1981 |
| 140443 | YORK RANCH | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 140444 | YORK STATE 33 1H | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 140445 | YORK SU | San Augustine County, TX | Gas Property | Jan 2025 |
| 140446 | YORK, AD | Clinton County, KY | Oil Property | Dec 2016 |
| 140447 | YORK, B H EST | Archer County, TX | Oil & Gas Property | Jan 2025 |
| 140448 | YORK, MA | Cumberland County, KY | Gas Property | Dec 2005 |
| 140449 | YORK-LAW 139 | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 140450 | YORK-PIXLEE | Greenwood County, KS | Oil Property | Dec 2024 |
| 140451 | YORK-SHANAHAN COMM | Los Angeles County, CA | Oil Property | Dec 1989 |
| 140452 | YORK-WH | Gregg County, TX | Oil & Gas Property | Aug 2022 |
| 140453 | YORKTOWN | Dewitt County, TX | Oil & Gas Property | Jan 2025 |
| 140454 | YORKTOWN 12 FEE | Chaves County, NM | Oil & Gas Property | Feb 2025 |
| 140455 | YORKTOWN STATE | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 140456 | YORN | Tarrant County, TX | Gas Property | Jan 2025 |
| 140457 | YOSEF THE MOUNTAINEER 29-41 | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 140458 | YOSEMITE | Gonzales County, TX | Oil & Gas Property | Jan 2025 |
| 140459 | YOSEMITE 12-27 | Scurry County, TX | Oil & Gas Property | Jan 2025 |
| 140460 | YOSEMITE 148-95-02A-11H | Dunn County, ND | Oil & Gas Property | Feb 2025 |
| 140461 | YOSEMITE 18-13-32 | Blaine County, OK | Oil & Gas Property | Jan 2025 |
| 140462 | YOSEMITE SAM UNIT | Hood County, TX | Oil & Gas Property | Jan 2025 |
| 140463 | YOSHI 0304 | Garvin County, OK | Oil & Gas Property | Jan 2025 |
| 140464 | YOSHI 1606 | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 140465 | YOSKO | Wilson County, TX | Oil & Gas Property | Jan 2025 |
| 140466 | YOSKO BORGFELD | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 140467 | YOSKO UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 140468 | YOSKO-KINKLER | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 140469 | YOSKO-SALGE-KINKLER UNIT SA | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 140470 | YOSKO-WITTE UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 140471 | YOST | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 140472 | YOST | Payne County, OK | Oil & Gas Property | Dec 2017 |
| 140473 | YOST | Kiowa County, KS | Oil & Gas Property | Dec 2024 |
| 140474 | YOST | Noble County, OK | Gas Property | May 2016 |
| 140475 | YOST | Kiowa County, KS | Oil & Gas Property | May 2012 |
| 140476 | YOST | Comanche County, KS | Oil & Gas Property | Dec 2024 |
| 140477 | YOST | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 140478 | YOST | Ness County, KS | Oil Property | Oct 1992 |
| 140479 | YOST | Geary County, KS | Oil Property | Dec 2024 |
| 140480 | YOST | Washington County, OH | Oil & Gas Property | Dec 2006 |
| 140481 | YOST | Greene County, PA | Oil & Gas Property | Dec 2024 |
| 140482 | YOST | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 140483 | YOST | Noble County, OK | Oil & Gas Property | Feb 2016 |
| 140484 | YOST | Ness County, KS | Oil Property | Dec 2024 |
| 140485 | YOST | Lane County, KS | Oil Property | Aug 2016 |
| 140486 | YOST | Graham County, KS | Oil Property | Dec 2024 |
| 140487 | YOST | Payne County, OK | Oil & Gas Property | Jan 2025 |
| 140488 | YOST | Guernsey County, OH | Oil & Gas Property | Dec 2024 |
| 140489 | YOST | Kiowa County, KS | Oil & Gas Property | Dec 2024 |
| 140490 | YOST | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 140491 | YOST | Comanche County, KS | Oil & Gas Property | Sep 2024 |
| 140492 | YOST | Major County, OK | Oil & Gas Property | Jan 2025 |
| 140493 | YOST | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 140494 | YOST 1607 | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 140495 | YOST 2-15N-10W | Blaine County, OK | Oil & Gas Property | Jan 2025 |
| 140496 | YOST BRA | Bradford County, PA | Gas Property | Feb 2025 |
| 140497 | YOST E BRA 4H | Bradford County, PA | Gas Property | Feb 2025 |
| 140498 | YOST HERITAGE INC | Monongalia County, WV | Gas Property | Dec 2021 |
| 140499 | YOST, JOHN M | Pike County, KY | Oil & Gas Property | Dec 2023 |
| 140500 | YOSUBA | Sutter County, CA | Oil & Gas Property | Mar 2013 |