| 130501 | UL WAYLON | Upton County, TX | Oil & Gas Property | Feb 2025 |
| 130502 | UL WILLIE | Upton County, TX | Oil & Gas Property | Feb 2025 |
| 130503 | UL WILLOW 383633-16 | Ward County, TX | Oil & Gas Property | Feb 2025 |
| 130504 | UL WTG 3-233 | Reagan County, TX | Oil & Gas Property | Feb 2025 |
| 130505 | UL YELLOWTAIL | Winkler County, TX | Oil & Gas Property | Feb 2025 |
| 130506 | UL13 KEENE | Andrews County, TX | Oil & Gas Property | Feb 2025 |
| 130507 | ULA 1-8H | Caddo County, OK | Oil & Gas Property | Feb 2025 |
| 130508 | ULA F. NELSON WELLER | Marshall County, WV | Oil & Gas Property | Dec 2021 |
| 130509 | ULANDS 48 | Reagan County, TX | Oil & Gas Property | Feb 2025 |
| 130510 | ULC-0 | Tuscaloosa County, AL | Gas Property | Feb 2025 |
| 130511 | ULC-TAURUS | Tuscaloosa County, AL | Gas Property | Feb 2025 |
| 130512 | ULC-TAURUS-9 | Tuscaloosa County, AL | Gas Property | Feb 2025 |
| 130513 | ULDRICH | Seminole County, OK | Oil & Gas Property | Jan 2022 |
| 130514 | ULIBARRI GAS COM | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 130515 | ULLIE EAGLE | Creek County, OK | Oil Property | Feb 2025 |
| 130516 | ULLMAN | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 130517 | ULLMAN | Gonzales County, TX | Oil & Gas Property | Feb 2025 |
| 130518 | ULLMAN | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 130519 | ULLMAN | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 130520 | ULLMAN H | Washington County, OH | Oil & Gas Property | Dec 2014 |
| 130521 | ULLMAN JACOB H | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 130522 | ULLMANN | Noble County, OH | Oil Property | Dec 2023 |
| 130523 | ULLOM | Washington County, OH | Oil & Gas Property | Dec 2023 |
| 130524 | ULLOM | Texas County, OK | Oil & Gas Property | Feb 2025 |
| 130525 | ULLRICH | Beaver County, OK | Oil & Gas Property | Feb 2025 |
| 130526 | ULMER | Sedgwick County, KS | Oil Property | Aug 2021 |
| 130527 | ULMER 24-21H | Dunn County, ND | Oil & Gas Property | Mar 2025 |
| 130528 | ULRICH | Greenwood County, KS | Oil Property | Feb 1995 |
| 130529 | ULRICH | Greenwood County, KS | Oil Property | Sep 2021 |
| 130530 | ULRICH | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 130531 | ULRICH | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 130532 | ULRICH | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 130533 | ULRICH | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 130534 | ULRICH | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 130535 | ULRICH | Dewitt County, TX | Oil & Gas Property | Feb 2025 |
| 130536 | ULRICH | Russell County, KS | Oil Property | Aug 1990 |
| 130537 | ULRICH A - WILLIAMS A SA 1 1H | Dewitt County, TX | Oil & Gas Property | Feb 2025 |
| 130538 | ULRICH PC I 17 | Weld County, CO | Oil & Gas Property | Feb 2018 |
| 130539 | ULS 4 | Andrews County, TX | Oil & Gas Property | Feb 2025 |
| 130540 | ULS 4 | Andrews County, TX | Oil & Gas Property | Feb 2025 |
| 130541 | ULS 5 | Andrews County, TX | Oil & Gas Property | Feb 2025 |
| 130542 | ULS 5-9 UNIT | Andrews County, TX | Oil & Gas Property | Feb 2025 |
| 130543 | ULS 6-3 | Andrews County, TX | Oil & Gas Property | Feb 2025 |
| 130544 | ULS A | Andrews County, TX | Oil & Gas Property | Feb 2025 |
| 130545 | ULS B | Andrews County, TX | Oil & Gas Property | Feb 2025 |
| 130546 | ULS CDU | Andrews County, TX | Oil & Gas Property | Feb 2025 |
| 130547 | ULS CDU 4-1 | Andrews County, TX | Oil & Gas Property | Feb 2025 |
| 130548 | ULSH | Edwards County, KS | Oil & Gas Property | Jan 2025 |
| 130549 | ULSH 'A' | Grant County, KS | Gas Property | Jan 2025 |
| 130550 | ULT 1 | Uintah County, UT | Oil & Gas Property | Mar 2025 |
| 130551 | ULT 3 | Uintah County, UT | Oil & Gas Property | Mar 2025 |
| 130552 | ULT 4 | Uintah County, UT | Oil & Gas Property | Mar 2025 |
| 130553 | ULT 5 | Uintah County, UT | Oil & Gas Property | Mar 2025 |
| 130554 | ULT 6 | Uintah County, UT | Oil & Gas Property | Mar 2025 |
| 130555 | ULT 7 | Uintah County, UT | Oil & Gas Property | Mar 2025 |
| 130556 | ULT 8 | Uintah County, UT | Oil & Gas Property | Mar 2025 |
| 130557 | ULT 9 | Uintah County, UT | Oil & Gas Property | Mar 2025 |
| 130558 | ULTIMATE WARRIOR | Lycoming County, PA | Gas Property | Mar 2025 |
| 130559 | ULTRA U A STATE | Chaves County, NM | Oil & Gas Property | Mar 2025 |
| 130560 | ULURU 35 FEDERAL | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 130561 | ULVESTAD | Midland County, TX | Oil & Gas Property | Feb 2025 |
| 130562 | ULVESTAD-BIRKHEAD E20 | Midland County, TX | Oil & Gas Property | Feb 2025 |
| 130563 | UMA UNIT | Hill County, TX | Oil & Gas Property | Feb 2025 |
| 130564 | UMANSKY | Alfalfa County, OK | Oil & Gas Property | Feb 2025 |
| 130565 | UMBACH | Grady County, OK | Oil & Gas Property | Feb 2025 |
| 130566 | UMBACH | Grady County, OK | Oil & Gas Property | Feb 2025 |
| 130567 | UMBARGER | Neosho County, KS | Gas Property | Jan 2025 |
| 130568 | UMBARGER | Neosho County, KS | Oil & Gas Property | Jan 2025 |
| 130569 | UMBARGER | Wilson County, KS | Oil & Gas Property | Jan 2025 |
| 130570 | UMBARGER | Wilson County, KS | Oil & Gas Property | Jan 2025 |
| 130571 | UMBEHR | Riley County, KS | Oil Property | Jan 2025 |
| 130572 | UMBER 11-28-16 | Woods County, OK | Oil & Gas Property | Feb 2025 |
| 130573 | UMBERSON | Montague County, TX | Oil & Gas Property | Feb 2025 |
| 130574 | UMBERT PETRARCA | Indiana County, PA | Gas Property | Dec 2024 |
| 130575 | UMBRELLA POINT UNIT | Chambers County, TX | Oil & Gas Property | Jul 2013 |
| 130576 | UMBRIEL B | Lavaca County, TX | Oil & Gas Property | Feb 2025 |
| 130577 | UMCC 'A' | Meade County, KS | Oil Property | May 2024 |
| 130578 | UMIVERSITY BLOCK 46 | Crockett County, TX | Oil & Gas Property | Feb 2025 |
| 130579 | UMLANG-LEHMANN UNIT | Lee County, TX | Oil & Gas Property | Feb 2025 |
| 130580 | UMMEL | Ness County, KS | Oil Property | Nov 2024 |
| 130581 | UMMEL | Ness County, KS | Oil Property | Oct 2024 |
| 130582 | UMMEL | Ness County, KS | Oil Property | Dec 2024 |
| 130583 | UMMEL | Ness County, KS | Oil Property | Aug 2015 |
| 130584 | UMMEL | Ness County, KS | Oil Property | Jan 2025 |
| 130585 | UMPHRESS,C. F. ET AL | Howard County, TX | Oil & Gas Property | Mar 2019 |
| 130586 | UMSTEAD | Stafford County, KS | Oil Property | Nov 2024 |
| 130587 | UMSTED | Ouachita County, AR | Oil & Gas Property | Dec 2024 |
| 130588 | UMSTED | Union County, AR | Oil Property | Jan 2025 |
| 130589 | UNA FIFE | Creek County, OK | Oil Property | Jun 2024 |
| 130590 | UNA HYRAL | Johnson County, TX | Gas Property | Feb 2025 |
| 130591 | UNA PALMER 14 H | De Soto Parish, LA | Gas Property | Dec 2024 |
| 130592 | UNBRIDLED 36 | Culberson County, TX | Oil & Gas Property | Feb 2025 |
| 130593 | UNBRIDLED 5-8-10-7 | Canadian County, OK | Oil & Gas Property | Feb 2025 |
| 130594 | UNCLE BILL 1 | Lipscomb County, TX | Oil & Gas Property | Feb 2025 |
| 130595 | UNCLE CECIL | Terrell County, TX | Oil & Gas Property | Feb 2025 |
| 130596 | UNCLE CHES 21 16 FEDERAL COM | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 130597 | UNCLE CHES 21 16 FEDERAL COM 125H | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 130598 | UNCLE RICHARD STATE COM | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 130599 | UNCLE SAM | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 130600 | UNCLE SAM 13 | Lea County, NM | Oil & Gas Property | May 2022 |