| King Ranch Vadero #2518HHZ42-273-32702 | Headington Energy Partners LLC | KlebergAlazan North (Deep Frio) | ActiveOil | 12,057 | Oct 24, 2025 | 1 | Aug 2026 |
| King Ranch Visnaga #2317SW42-273-32700 | Headington Energy Partners LLC | KlebergEl Infernillo (I-87) | ActiveInjection | 7,000 | Dec 6, 2023 | 1 | — |
| King Ranch Alazan #231642-273-32696 | Headington Energy Partners LLC | KlebergAlazan North (Deep Frio) | ActiveGas | 12,068 | Jun 20, 2023 | 1 | Aug 2026 |
| Garcias Izm #0142-273-32697 | Kleberg Sequestration Hub LLC | KlebergWildcat | ActiveObservation | 10,592 | Jun 13, 2023 | 1 | — |
| Garcias Izm #0242-273-32698 | Kleberg Sequestration Hub LLC | KlebergWildcat | ActiveObservation | 10,614 | Jun 13, 2023 | 2 | — |
| Becerra Izm #0142-273-32699 | Kleberg Sequestration Hub LLC | KlebergWildcat | ActiveObservation | 11,199 | Jun 13, 2023 | 2 | — |
| King Ranch Visnaga #220342-273-32688 | Headington Energy Partners LLC | KlebergAlazan North (Deep Frio) | ActiveGas | 12,820 | Jun 12, 2023 | 2 | Aug 2026 |
| King Ranch Madero #231442-273-32694 | Headington Energy Partners LLC | KlebergAlazan North (Deep Frio) | ActiveGas | 12,808 | Mar 1, 2023 | 2 | Aug 2026 |
| King Ranch Visnaga #230342-273-32693 | Headington Energy Partners LLC | KlebergAlazan North (Deep Frio) | ActiveGas | 12,570 | Nov 28, 2022 | 2 | Aug 2026 |
| Malin Gas Unit #142-273-32690 | Sutton Producing Corp. | KlebergMay SE (CMS Sand) | ActiveGas | 10,500 | Jun 7, 2022 | 1 | Aug 2026 |
| Seeligson Zone 21-B Unit #113242-273-01418 | Logas Energy LLC | KlebergZone 21-B Trend | ActiveGas | 8,000 | May 6, 2022 | 3 | Aug 2026 |
| Seeligson Zone 21-B Unit #115742-273-01559 | Logas Energy LLC | KlebergZone 21-B Trend | ActiveGas | 7,100 | May 2, 2022 | 1 | Aug 2026 |
| King Ranch Alazan #220542-273-32689 | Headington Energy Partners LLC | KlebergAlazan North (Deep Frio) | ActiveGas | 14,600 | Apr 28, 2022 | 1 | Aug 2026 |
| May Field Unit #23L42-273-02003 | Magnum Producing LP | KlebergMay (Massive 5) | ActiveGas | 9,300 | Dec 21, 2021 | 3 | Oct 2023 |
| King Ranch Borregos #2103ME42-273-32681 | EOG Resources Inc. | KlebergKrb\zuni-NC (Vxbg) | ActiveGas | 11,062 | May 19, 2021 | 2 | Aug 2026 |
| King Ranch Borregos #2102ME42-273-32680 | EOG Resources Inc. | KlebergKrb\zuni-NC (Vxbg) | ActiveGas | 13,502 | May 12, 2021 | 1 | Aug 2026 |
| King Ranch Borregos #M938E42-273-32677 | EOG Resources Inc. | KlebergKrb\zuni-NC (Vxbg) | ActiveOil | 12,900 | Sep 30, 2018 | 1 | Aug 2026 |
| King Ranch Tijerina #937J42-273-32674 | EOG Resources Inc. | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 10,100 | Jul 18, 2017 | 1 | Aug 2026 |
| King Ranch Tijerina #914J42-273-32647 | EOG Resources Inc. | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 10,500 | Oct 13, 2014 | 1 | Aug 2026 |
| King Ranch Borregos #M898E42-273-32635 | EOG Resources Inc. | KlebergKrb\zuni-NC (Vxbg) | ActiveGas | 13,797 | Jul 29, 2014 | 2 | Aug 2026 |
| King Ranch Borregos #M889E42-273-32625 | EOG Resources Inc. | KlebergKrb\zuni-NC (Vxbg) | ActiveGas | 13,188 | Sep 16, 2013 | 2 | Aug 2026 |
| King Ranch Tijerina #877A42-273-32615 | EOG Resources Inc. | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 9,890 | May 30, 2013 | 1 | Aug 2026 |
| Jesuit Gas Unit #142-273-32449 | Finaly Resources LLC | KlebergJesuit (Loyola Beach) | ActiveGas | 15,500 | Jul 26, 2012 | 2 | Jun 2026 |
| King Ranch Laguna Larga #84542-273-32587 | EOG Resources Inc. | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 11,888 | Apr 21, 2012 | 1 | Aug 2026 |
| King Ranch Tijerina #844J42-273-32585 | EOG Resources Inc. | KlebergZone 21-B Trend (Oil) | ActiveInjection | 7,000 | Apr 12, 2012 | 1 | — |
| King Ranch Canelo #82842-273-32570 | EOG Resources Inc. | KlebergKr\boa (VX Cons.) | ActiveGas | 13,100 | Jul 15, 2011 | 1 | Aug 2026 |
| King Ranch Canelo #80142-273-32535 | EOG Resources Inc. | KlebergKr\boa (VX Cons.) | ActiveGas | 13,240 | Apr 12, 2011 | 2 | Aug 2026 |
| King Ranch Canelo #82142-273-32559 | EOG Resources Inc. | KlebergKr\boa (VX Cons.) | ActiveGas | 13,289 | Apr 12, 2011 | 1 | Aug 2026 |
| Canales A. T. #10742-273-32555 | Remora Operating LLC | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 11,578 | Mar 16, 2011 | 1 | Aug 2026 |
| King Ranch Laguna Larga #81342-273-32540 | EOG Resources Inc. | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 14,000 | Dec 2, 2010 | 1 | Aug 2026 |
| Flato #142-273-32423 | Dewbre Petroleum Corporation | KlebergRicardo E. (5100) | ActiveOil | 9,415 | Nov 10, 2010 | 3 | Aug 2026 |
| Jesuit Gas Unit #542-273-32499 | Finaly Resources LLC | KlebergJesuit (Rivera) | ActiveGas | 13,140 | Feb 22, 2010 | 3 | Jun 2026 |
| Wright #842-273-32517 | Paladin Petroleum III L.L.C. | KlebergFalfurrias (9200 Vicksburg) | ActiveGas | 9,656 | Oct 5, 2009 | 1 | Aug 2026 |
| Jesuit Gas Unit #442-273-32492 | Finaly Resources LLC | KlebergJesuit (Upper del Grullo) | ActiveGas | 12,500 | Aug 31, 2009 | 3 | Jul 2026 |
| Jesuit Gas Unit #642-273-32498 | Finaly Resources LLC | KlebergJesuit (Rivera) | ActiveGas | 13,140 | Oct 30, 2008 | 2 | Jun 2026 |
| Canales A. T. #10542-273-32510 | Remora Operating LLC | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 11,575 | Jun 6, 2008 | 1 | Aug 2026 |
| Canales E. G. #4042-273-32468 | Remora Operating LLC | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 11,400 | Jun 5, 2008 | 2 | Aug 2026 |
| Canales E.G. #4242-273-32501 | Remora Operating LLC | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 11,400 | Jan 23, 2008 | 1 | Aug 2026 |
| Jesuit Gas Unit #342-273-32495 | Finaly Resources LLC | KlebergJesuit (Loyola Beach) | ActiveGas | 15,310 | Jul 18, 2007 | 3 | Apr 2023 |
| Canales A. T. #10442-273-32490 | Remora Operating LLC | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 11,200 | Jun 22, 2007 | 2 | Aug 2026 |
| Canales A. T. #10342-273-32489 | Remora Operating LLC | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 10,830 | Jun 18, 2007 | 1 | Aug 2026 |
| Canales E. G. #4142-273-32486 | Remora Operating LLC | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 11,500 | May 14, 2007 | 2 | Aug 2026 |
| Jesuit Gas Unit #242-273-32483 | Finaly Resources LLC | KlebergJesuit (Loyola Beach) | ActiveGas | 13,650 | May 1, 2007 | 2 | Jun 2026 |
| Canales A. T. #10242-273-32482 | Remora Operating LLC | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 11,530 | Apr 10, 2007 | 2 | Aug 2026 |
| Canales A. T. #10142-273-32480 | Remora Operating LLC | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 11,550 | Mar 13, 2007 | 1 | Aug 2026 |
| State Tract 991-S #142-273-32478 | Modena Operating LLC | KlebergWildcat | ActiveGas | 12,075 | Feb 8, 2007 | 2 | Jun 2008 |
| Canales A.T. #10042-273-32477 | Remora Operating LLC | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 11,100 | Feb 5, 2007 | 1 | Aug 2026 |
| W. T. Wolcott Estate Gas Unit #142-273-32360 | Mission River Systems Inc. | KlebergWildcat | ActiveGas | 9,800 | Nov 27, 2006 | 3 | Feb 2005 |
| Canales A.T. #9942-273-32467 | Remora Operating LLC | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 12,000 | Sep 29, 2006 | 1 | Aug 2026 |
| Canales A. T. #9842-273-32465 | Remora Operating LLC | KlebergT-C-B (Vxbg Consolidated) | ActiveGas | 11,450 | Sep 13, 2006 | 1 | Aug 2026 |