| 28601 | OAK VALLEY 2 | Dawson County, TX | Oil & Gas Property | Jan 2026 |
| 28602 | OAKES C.W. ESTATE | Limestone County, TX | Oil & Gas Property | Jan 2026 |
| 28603 | OAKES PAT GAS UNIT | Limestone County, TX | Oil & Gas Property | Jan 2026 |
| 28604 | OAKES T.C. ESTATE GAS UNIT | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 28605 | OAKES-TURNER GAS UNIT NO. 1 | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 28606 | OAKLAND CORP | Cass County, TX | Oil & Gas Property | Nov 2022 |
| 28607 | OAKLAND CORP WATERFLOOD UNIT | Cass County, TX | Oil & Gas Property | Dec 2025 |
| 28608 | OAKMONT | Dawson County, TX | Oil & Gas Property | Jan 2026 |
| 28609 | OAKS | Johnson County, TX | Oil & Gas Property | Jan 2026 |
| 28610 | OAKS | Martin County, TX | Oil & Gas Property | Jan 2026 |
| 28611 | OAKS STATE | Andrews County, TX | Oil & Gas Property | Jan 2026 |
| 28612 | OAKWOOD | Tarrant County, TX | Gas Property | Jan 2026 |
| 28613 | OAKWOOD REALTY | Jefferson County, TX | Oil & Gas Property | Oct 2025 |
| 28614 | OASIS 9-16-33-40 | Mitchell County, TX | Oil & Gas Property | Jan 2026 |
| 28615 | OASIS UNIT | Karnes County, TX | Oil & Gas Property | Jan 2026 |
| 28616 | OATES | Limestone County, TX | Oil & Gas Property | Jan 2026 |
| 28617 | OATES | Hutchinson County, TX | Oil & Gas Property | Jan 2026 |
| 28618 | OATES | Wise County, TX | Oil & Gas Property | Jan 2026 |
| 28619 | OATES G | Wise County, TX | Oil & Gas Property | Jan 2026 |
| 28620 | OATES J. S | Pecos County, TX | Oil & Gas Property | Oct 2025 |
| 28621 | OATES UNIT | Polk County, TX | Oil & Gas Property | Jan 2026 |
| 28622 | OATMAN | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 28623 | OATMAN | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 28624 | OATMAN STATE UNIT 11-14 | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 28625 | OB H1 | Shelby County, TX | Gas Property | Jan 2026 |
| 28626 | OBANION | Harrison County, TX | Oil & Gas Property | Sep 2021 |
| 28627 | OBANION | Harrison County, TX | Oil & Gas Property | Jan 2026 |
| 28628 | OBANION | Harrison County, TX | Oil & Gas Property | Jul 2014 |
| 28629 | OBANION A | Harrison County, TX | Oil & Gas Property | Jan 2021 |
| 28630 | OBANION J. T. DR | Caldwell County, TX | Oil & Gas Property | Jan 2026 |
| 28631 | OBENCHAIN | Denton County, TX | Oil & Gas Property | Feb 2025 |
| 28632 | OBENHAUS | Colorado County, TX | Oil & Gas Property | Jan 2026 |
| 28633 | OBENHAUS | Wichita County, TX | Oil & Gas Property | Jan 2026 |
| 28634 | OBENHAUS | Wharton County, TX | Oil & Gas Property | Nov 2025 |
| 28635 | OBERHOLTZER | Upton County, TX | Oil & Gas Property | Jan 2026 |
| 28636 | OBERON | Gonzales County, TX | Oil & Gas Property | Jan 2026 |
| 28637 | OBN - SLAGLE UNIT | Montague County, TX | Oil & Gas Property | Jan 2026 |
| 28638 | OBN PAYNE | Montague County, TX | Oil & Gas Property | Feb 2021 |
| 28639 | OBREGON B | Guadalupe County, TX | Oil & Gas Property | Jan 2026 |
| 28640 | OBREGON-A | Caldwell County, TX | Oil & Gas Property | Jan 2026 |
| 28641 | OBRIEN | Liberty County, TX | Oil & Gas Property | Dec 2014 |
| 28642 | OBRIEN | Ward County, TX | Oil & Gas Property | Jan 2026 |
| 28643 | OBRIEN | Dawson County, TX | Oil & Gas Property | Jan 2026 |
| 28644 | OBRIEN | Haskell County, TX | Oil & Gas Property | Jan 2026 |
| 28645 | OBRIEN | Wheeler County, TX | Oil & Gas Property | Jan 2026 |
| 28646 | OBRIEN | Refugio County, TX | Oil & Gas Property | Oct 2014 |
| 28647 | OBRIEN | Jefferson County, TX | Oil & Gas Property | May 2025 |
| 28648 | OBRIEN | Gray County, TX | Oil & Gas Property | Jan 2026 |
| 28649 | OBRIEN | Galveston County, TX | Oil & Gas Property | Jan 2026 |
| 28650 | OBRIEN | Bexar County, TX | Oil & Gas Property | Dec 2025 |
| 28651 | OBRIEN | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 28652 | OBRIEN | Bee County, TX | Oil & Gas Property | Nov 2025 |
| 28653 | OBRIEN | Refugio County, TX | Oil & Gas Property | Jan 2026 |
| 28654 | OBRIEN -E | Liberty County, TX | Oil & Gas Property | Jan 2026 |
| 28655 | OBRIEN ERIN ETAL UNIT 1 | Galveston County, TX | Oil & Gas Property | Dec 2016 |
| 28656 | OBRIEN J | Refugio County, TX | Oil & Gas Property | Jan 2026 |
| 28657 | OBRIEN STRAWN UNIT | Haskell County, TX | Oil & Gas Property | Jan 2026 |
| 28658 | OBRIEN-BRUNSON 43A | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 28659 | OBSIDIAN | Lavaca County, TX | Oil & Gas Property | Jan 2026 |
| 28660 | OBYRNE | Upshur County, TX | Oil & Gas Property | Apr 2017 |
| 28661 | OBYRNE HEIRS | Upshur County, TX | Oil & Gas Property | Jan 2026 |
| 28662 | OCATILLA STATE 2-40 | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 28663 | OCELOT | Atascosa County, TX | Oil & Gas Property | Jan 2026 |
| 28664 | OCELOT ALLOCATION | Atascosa County, TX | Oil & Gas Property | Jan 2026 |
| 28665 | OCHILTREE | Gray County, TX | Oil & Gas Property | Aug 2020 |
| 28666 | OCHILTREE FARMS 112 | Ochiltree County, TX | Oil & Gas Property | Jan 2026 |
| 28667 | OCHO | Webb County, TX | Gas Property | Jan 2026 |
| 28668 | OCHO 1 | Webb County, TX | Gas Property | Jan 2026 |
| 28669 | OCHO JUAN UNIT | Fisher County, TX | Oil & Gas Property | Jan 2026 |
| 28670 | OCHO MDL | Webb County, TX | Gas Property | Jan 2026 |
| 28671 | OCHOA | Hidalgo County, TX | Oil & Gas Property | Jan 2026 |
| 28672 | OCKER D.A. & R.L | Wilson County, TX | Oil & Gas Property | Jan 2023 |
| 28673 | OCONN | Refugio County, TX | Oil & Gas Property | Jan 2026 |
| 28674 | OCONN | Refugio County, TX | Oil & Gas Property | Jan 2026 |
| 28675 | OCONN | Eastland County, TX | Oil & Gas Property | Jan 2026 |
| 28676 | OCONN | Refugio County, TX | Oil & Gas Property | May 2019 |
| 28677 | OCONNELL A | Atascosa County, TX | Oil & Gas Property | Jan 2026 |
| 28678 | OCONNER M. E | Refugio County, TX | Oil & Gas Property | Jan 2022 |
| 28679 | OCONNER, THO | Refugio County, TX | Oil & Gas Property | Jan 2026 |
| 28680 | OCONNOR | Goliad County, TX | Oil & Gas Property | Aug 2025 |
| 28681 | OCONNOR | Refugio County, TX | Oil & Gas Property | Jan 2026 |
| 28682 | OCONNOR | Goliad County, TX | Oil & Gas Property | Apr 2025 |
| 28683 | OCONNOR | Refugio County, TX | Oil & Gas Property | Jan 2026 |
| 28684 | OCONNOR | Refugio County, TX | Oil & Gas Property | Jan 2026 |
| 28685 | OCONNOR DENNIS ET AL -N | Refugio County, TX | Oil & Gas Property | Jan 2026 |
| 28686 | OCONNOR DENNIS ETAL | Refugio County, TX | Oil & Gas Property | Jan 2026 |
| 28687 | OCONNOR THOMAS | Refugio County, TX | Gas Property | Aug 2008 |
| 28688 | OCONNOR, DENNIS | Refugio County, TX | Oil & Gas Property | Apr 2020 |
| 28689 | OCONNOR, DENNIS ET AL | Refugio County, TX | Oil & Gas Property | Jan 2026 |
| 28690 | OCONNOR-D | Refugio County, TX | Oil & Gas Property | Jan 2026 |
| 28691 | OCOTILLO 27 | Ward County, TX | Oil & Gas Property | Jan 2026 |
| 28692 | OCRACOKE ISLAND | Ward County, TX | Oil & Gas Property | Apr 2020 |
| 28693 | OCTODOG | Wise County, TX | Oil & Gas Property | Jan 2026 |
| 28694 | ODANI | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 28695 | ODANIEL | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 28696 | ODANIEL | Gaines County, TX | Oil & Gas Property | Dec 2025 |
| 28697 | ODANIEL | Howard County, TX | Oil & Gas Property | Jan 2026 |
| 28698 | ODANIEL | Howard County, TX | Oil & Gas Property | Jan 2026 |
| 28699 | ODANIEL RANCH | Howard County, TX | Oil & Gas Property | Dec 2025 |
| 28700 | ODANIEL RANCH 28-37 | Howard County, TX | Oil & Gas Property | Dec 2025 |