| Smith Lewis Edwin et al #442-321-32464 | Underground Services Markham LLC only | MatagordaMarkham | ActiveBrine Mining | 7,345 | Mar 9, 2026 | 1 | — |
| H. Smith #142-321-32463 | Underground Services Markham LLC only | MatagordaMarkham | ActiveBrine Mining | 7,430 | Oct 30, 2025 | 1 | — |
| Bunk #142-321-32444 | Ponderosa Oil & Gas LLC only | MatagordaNance (Tex-Miss # 3) | PluggedGas | 12,000 | Jul 14, 2025 | 3 | Apr 2026 |
| Naomi Jensen Unit #142-321-32462 | Bruington Operating II LLC only | MatagordaPalacios (Melbourn E-3 Seg C) | ActiveGas | 8,673 | Jun 26, 2025 | 1 | Apr 2026 |
| Sittel GU #242-321-31914 | EOG Resources Inc. only | MatagordaNance (Frio 9600) | PluggedGas | 12,500 | Apr 15, 2025 | 8 | May 2010 |
| Elder #142-321-32461 | Kebo Oil & Gas, Inc. only | Matagorda | Drilled | 9,350 | Feb 5, 2025 | 1 | — |
| Galileo #142-321-32460 | Hilcorp Energy Company only | MatagordaWildcat | Shut inGas | 14,918 | Oct 21, 2024 | 3 | — |
| Norris #142-321-32427 | Ponderosa Oil & Gas LLC only | MatagordaNance (Tex-Miss # 3) | ActiveGas | 10,802 | Sep 17, 2024 | 3 | Apr 2026 |
| Viper Chilek #142-321-32459 | Viper S.W.D. LLC only | MatagordaCollegeport (8A South) | PluggedOil | 6,000 | Sep 12, 2023 | 2 | — |
| Ohio-Sun Unit Inj #142-321-32458 | Allegiant Resources, LLC only | MatagordaMarkham N.-Bay City,n(cornelius) | Not on schedule | 10,000 | Jun 13, 2023 | 1 | — |
| C.O.G. #142-321-32450 | Big Hill Energy, L.L.C. only | Matagorda | Not on schedule | 5,500 | May 11, 2023 | 1 | — |
| C.O.G. #242-321-32451 | Big Hill Energy, L.L.C. only | Matagorda | Not on schedule | 5,500 | May 11, 2023 | 1 | — |
| Norris #1D42-321-32457 | Ponderosa Oil & Gas LLC only | MatagordaNance (Frio 9600) | ActiveInjection | 4,000 | Apr 13, 2023 | 1 | — |
| West Palmyra #1__42-321-32456 | — | MatagordaMarkham | Plugged | 4,965 | Mar 21, 2023 | 1 | — |
| Chan Chan #1__42-321-32455 | — | MatagordaMarkham | Plugged | 5,765 | Mar 10, 2023 | 1 | — |
| Square Mile Energy LLL #142-321-32454 | — | MatagordaLe Tulle (Frio 10,350) | Plugged | 12,550 | Feb 15, 2023 | 1 | — |
| Cornelius #142-321-32453 | — | Matagorda | Plugged | 10,000 | Feb 13, 2023 | 1 | — |
| El Dorado #1__42-321-32452 | — | MatagordaMarkham | Plugged | 5,000 | Jan 25, 2023 | 1 | — |
| Langham #242-321-32448 | — | Matagorda | Plugged | 11,500 | Sep 22, 2022 | 1 | — |
| Savage #s 342-321-32442 | Rumble Energy LLC only | MatagordaWadsworth (A-2) | ActiveOil | 9,202 | Oct 5, 2021 | 3 | Nov 2025 |
| Hudson #242-321-32441 | Underground Services Markham LLC only | MatagordaMarkham | ActiveLpg Storage | 7,400 | May 21, 2021 | 1 | — |
| Hudson #542-321-32440 | Underground Services Markham LLC only | MatagordaMarkham | ActiveLpg Storage | 7,400 | May 13, 2021 | 1 | — |
| Ohio-Sun Unit #39A42-321-31236 | Goldking Minerals Mgmt L.L.C. only | MatagordaMarkham N.-Bay City N(robertson) | Shut inOil | 8,385 | Nov 2, 2020 | 5 | Apr 2026 |
| Talcott a Unit -B- #242-321-80217 | Oak Energy LLC only | MatagordaSugar Valley (Cayce) | Temporarily abandonedGas | 8,579 | Oct 22, 2020 | 3 | — |
| Araleun B #0142-321-32435 | — | MatagordaMarkham | Plugged | 6,500 | Oct 12, 2020 | 1 | — |
| Johnson Sallie #3 L42-321-00475 | Texian Operating Company LLC only | MatagordaBay City (8200 Frio) | ActiveOil | 8,243 | Sep 23, 2020 | 1 | Apr 2026 |
| Cornelius L. #142-321-30948 | Rumble Energy LLC only | MatagordaWadsworth ( CH-1) | ActiveGas | 12,056 | Oct 30, 2019 | 3 | Aug 2023 |
| Cornelius L. #742-321-31850 | Rumble Energy LLC only | MatagordaWadsworth ( CH-1) | ActiveGas | 11,550 | Oct 22, 2019 | 6 | Mar 2025 |
| Cornelius L. #542-321-31590 | Rumble Energy LLC only | MatagordaWadsworth (Eversore Hazzardi) | Shut inOil | 12,500 | Sep 16, 2019 | 5 | Dec 2023 |
| Kountze #196942-321-32431 | — | MatagordaMarkham | Plugged | 5,000 | Sep 12, 2019 | 1 | — |
| Golf Course #142-321-32429 | Kebo Oil & Gas Inc. only | MatagordaHamman (9150) | PluggedOil | 10,200 | Aug 7, 2019 | 1 | Sep 2020 |
| J. L. Hahn #1__42-321-32428 | — | Matagorda | Plugged | 9,750 | Jul 22, 2019 | 1 | — |
| Trull #1__42-321-32426 | — | Matagorda | Plugged | 9,000 | Jun 26, 2019 | 1 | — |
| Cobb F. G. -B- #3442-321-00465 | Texian Operating Company LLC only | MatagordaBay City (7000 Frio) | ActiveOil | 8,439 | Mar 21, 2019 | 4 | Apr 2026 |
| Peterson #190142-321-32424 | — | MatagordaMarkham | Plugged | 5,000 | Mar 20, 2019 | 1 | — |
| Cobb F. G. -B- #842-321-00444 | Texian Operating Company LLC only | MatagordaBay City (7000 Frio) | Shut inOil | 9,300 | Jan 10, 2019 | 6 | Apr 2026 |
| Baer-Franklin #442-321-32423 | Hilcorp Energy Company only | MatagordaBaer Ranch (Tex-Miss Cons) | Not on schedule | 14,200 | Dec 7, 2018 | 1 | — |
| Ohio-Sun Unit #12F42-321-00378 | Goldking Minerals Mgmt L.L.C. only | MatagordaMarkham N.-Bay City N(cornelius) | Shut inOil | 8,900 | Nov 2, 2018 | 4 | Apr 2026 |
| F. G. Cobb -B- #2642-321-00445 | Texian Operating Company LLC only | MatagordaBay City (8400) | ActiveGas | 8,512 | Sep 30, 2018 | 2 | Apr 2026 |
| Badouh Heirs #142-321-32414 | — | Matagorda | Plugged | 10,300 | Aug 22, 2017 | 1 | — |
| Northern Ranch #1142-321-31637 | Trinidad Resources LLC only | MatagordaNorthern Ranch South (Greta) | Shut inOil | 7,500 | Jul 24, 2017 | 5 | Jun 2025 |
| Sisk 40 Acres #20142-321-32412 | Bomco USA, Inc. only | MatagordaMarkham | Not on schedule | 4,000 | Jun 15, 2017 | 1 | — |
| Ohio-Sun Unit #7L42-321-31411 | Goldking Minerals Mgmt L.L.C. only | MatagordaMarkham N.-Bay City N.(7500) | ActiveGas | 8,593 | May 10, 2017 | 3 | Apr 2026 |
| F. G. Cobb B #4542-321-31712 | Texian Operating Company LLC only | MatagordaBay City (7200 Frio) | ActiveOil | 8,019 | Feb 13, 2017 | 8 | Apr 2026 |
| Smith, Howard Fee #3B42-321-32406 | Inspire Oil and Gas Inc. only | MatagordaMarkham | Not on schedule | 1,900 | Feb 9, 2017 | 1 | — |
| Smith, Howard Fee #4B42-321-32407 | Inspire Oil and Gas Inc. only | MatagordaMarkham | Not on schedule | 1,900 | Feb 9, 2017 | 1 | — |
| Norris #142-321-32405 | Rap Operating, L.L.C. only | Matagorda | Not on schedule | 11,400 | Feb 8, 2017 | 1 | — |
| A.S. Herman #142-321-31754 | Langston Oil LLC only | MatagordaBlessing (F-11) | Shut inOil | 9,511 | Dec 6, 2016 | 4 | Oct 2021 |
| Westbrook #142-321-32378 | Ponderosa Oil & Gas, LLC only | MatagordaSugar Valley, S. (Frio 11050) | Not on schedule | 11,750 | Aug 11, 2016 | 1 | — |
| Farr #1R42-321-32398 | — | Matagorda | Plugged | 6,400 | Aug 2, 2016 | 1 | — |