| Paramore Unit O-1-17106 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 3 | 943K | 1.16M | Aug 2013 – Aug 2026 |
| Duval Ranch, Sec. #288 O-4-452 | McGowan Working Partners, Inc. only | Charamousca, South | Duval | 20 | 859K | 170K | by Jan 1993 – Aug 2026 |
| Dcrc Sec. 152 O-4-8648 | Killam Oil Co., Ltd. only | Charamousca (Wilcox 5400, E.) | Duval | 2 | 630K | 2.35K | by Jan 1993 – Aug 2026 |
| Laramie State 55-4-13-18 A O-10-56192 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Reeves | 1 | 534K | 1.91M | Apr 2021 – Aug 2026 |
| Laramie State 55-4-13-18 D O-10-56133 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Reeves | 1 | 435K | 2M | Apr 2021 – Aug 2026 |
| Laramie State 55-4-13-18 C O-10-56193 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Reeves | 1 | 432K | 1.68M | Apr 2021 – Aug 2026 |
| Harambe 32 O-10-55266 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Glasscock | 5 | 425K | 724K | Aug 2020 – Aug 2026 |
| Laramie State 55-4-13-18 B O-10-56132 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Reeves | 1 | 399K | 1.54M | Apr 2021 – Aug 2026 |
| Duval County Ranch Co. -K- O-4-6866 | Texas Petroleum Investment Co. only | Charamousca, W. (Wilcox 2 Seg C) | Duval | 14 | 266K | 344K | by Jan 1993 – Apr 2026 |
| Worden & Drought Unit O-4-11373 | Firstrike Energy Corporation only | Charamousca (Wilcox 5400, E.) | Duval | 1 | 231K | 15.1K | by Jan 1993 – Oct 2015 |
| Drought 156 O-4-13838 | Mountain V Texas, LLC only | Charamousca (Casa Blanca SD) | Duval | 2 | 181K | 0 | Oct 2013 – Aug 2026 |
| Duval County Ranch Co. -K- O-4-7036 | Texas Petroleum Investment Co. only | Charamousca, W. (Wilcox 3) | Duval | 6 | 171K | 163K | Jun 1994 – Feb 2017 |
| DCR 152A O-4-13829 | Killam Oil Co., Ltd. only | Charamousca, South | Duval | 2 | 99.5K | 0 | May 2013 – Aug 2026 |
| Drought, K.L. O-4-11452 | Eliteenergyholdings LLC only | Charamousca, West (3350) | Duval | 8 | 86.1K | 89.2K | by Jan 1993 – Dec 2025 |
| Texaco-288 O-4-14019 | Kebo Oil & Gas, Inc. only | Charamousca (Wilcox 2-a, FB-B) | Duval | 1 | 78.8K | 47.3K | Jan 2016 – Aug 2026 |
| Duval County Ranch Co. "K" O-4-11329 | Texas Petroleum Investment Co. only | Charamousca, West (3350) | Duval | 7 | 69.4K | 190K | by Jan 1993 – Aug 2026 |
| Drought, Kathleen L. O-4-11134 | L.T.D. Explorations Inc. only | Charamousca, West (3350) | Duval | 3 | 67.4K | 15.1K | by Jan 1993 – Aug 2026 |
| Twizzler O-4-13859 | Glencrest Resources only | Charamousca, West (3350) | Duval | 5 | 64K | 0 | Jan 2014 – Aug 2026 |
| D.C.R.C. O-4-8256 | Kebo Oil & Gas, Inc. only | Charamousca (Wilcox 5400, E.) | Duval | 2 | 51.2K | 2.72K | by Jan 1993 – Jun 1997 |
| Worden & Drought O-4-8517 | Firstrike Energy Corporation only | Charamousca (Wilcox 2-a, FB-B) | Duval | 1 | 51.2K | 7.9K | by Jan 1993 – Jan 2016 |
| D..c.r.c. O-4-12679 | Sanchez Basin Resources LLC only | Charamousca (Wilcox 5400, E.) | Duval | 2 | 51K | 90 | Jul 1997 – Jan 2026 |
| Duval County Ranch Co.-K- O-4-6927 | Texas Petroleum Investment Co. only | Charamousca, W. (Wilcox 4) | Duval | 2 | 44.6K | 51.6K | by Jan 1993 – Aug 2018 |
| D. C. R. C. O-4-8070 | Los Hijos de Sanchez J LLC only | Charamousca (Wilcox 5400) | Duval | 1 | 43K | 5.98K | by Jan 1993 – Dec 2021 |
| Duval Ranch Section 281 O-4-8183 | McGowan Working Partners, Inc. only | Charamousca, South | Duval | 1 | 41.9K | 14.7K | by Jan 1993 – Sep 2004 |
| Drought, Kathleen L. O-4-7681 | Texas Petroleum Investment Co. only | Charamousca, W. (Wilcox 3) | Duval | 2 | 38.3K | 65.1K | by Jan 1993 – Feb 2004 |
| Duval County Ranch Co. -K- O-4-6753 | Texas Petroleum Investment Co. only | Charamousca, W.(wilcox 2) | Duval | 12 | 32.8K | 230K | by Jan 1993 – Jul 2000 |
| Aram O-14-1806 | Lucky Bird Too only | Panhandle Hutchinson County Fld. | Hutchinson | 10 | 27.5K | 4.26K | by Jan 1993 – Oct 2017 |
| Aramon O-10-42829 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 1 | 20.9K | 29.9K | Apr 2012 – Aug 2026 |
| Dcrc - Section 295 O-4-13930 | Mountain V Texas, LLC only | Charamousca (Cole Cons.) | Duval | 3 | 20.1K | 0 | Nov 2014 – Dec 2024 |
| Haralson State O-4-11359 | S & T Salvage only | Charamousca, West (3350) | Duval | 2 | 17.9K | 115 | by Jan 1993 – Nov 1998 |
| Duval County Ranch Co. -K- O-4-12347 | Texas Petroleum Investment Co. only | Charamousca,w(wilcox 3 Seg D LO) | Duval | 2 | 13.9K | 49.2K | Jun 1994 – Jun 1998 |
| D.C.R.C.-Section 295 O-4-13761 | Mountain V Texas, LLC only | Charamousca, South | Duval | 2 | 13.5K | 0 | Jan 2013 – Jun 2022 |
| Duval County Ranch Co. 'K' O-4-11792 | Texas Petroleum Investment Co. only | Charamousca, W. (Yegua 25) | Duval | 3 | 13.3K | 62.3K | by Jan 1993 – Feb 1998 |
| Worden-Drought O-4-8901 | Tristar Oil & Gas only | Charamousca, W. (Yegua, Massive) | Duval | 1 | 12.4K | 20 | by Jan 1993 – Dec 2017 |
| Duval County Ranch Co. -K- O-4-7301 | Texas Petroleum Investment Co. only | Charamousca, W. (Wilcox 4, Lo.) | Duval | 1 | 12.4K | 36.7K | by Jan 1993 – Aug 1997 |
| Adami, Sidney et Al O-4-11305 | Patterson Energy Corporation only | Charamousca, West (3350) | Duval | 2 | 12.1K | 54 | by Jan 1993 – Sep 1999 |
| Drought Sec 154 O-4-12376 | Petroleum Developments Int LLC only | Charamousca, W. (Wilcox 3) | Duval | 2 | 10.9K | 6.99K | Apr 1994 – Jan 2019 |
| Duval County Ranch Co. -K- O-4-12377 | Southwestern Energy Prod. Co. only | Charamousca, West (2200 Massive) | Duval | 1 | 7.86K | 23.3K | May 1994 – Feb 1998 |
| Drought Sec. 154 O-4-12247 | Petroleum Developments Int LLC only | Charamousca, W. (Wilcox 4 Seg E) | Duval | 1 | 7.75K | 625 | Aug 1993 – Jan 2019 |
| Texaco-Dcrc O-4-8516 | Manley, John D. III, Oper., Inc only | Charamousca (Wilcox 1, FB-A) | Duval | 1 | 3.8K | 406 | Apr 1994 – Nov 1995 |
| Drought, Kathleen L. O-4-7048 | Southwestern Energy Prod. Co. only | Charamousca, W. (Wilcox 3 Seg D) | Duval | 2 | 3.16K | 15.6K | by Jan 1993 – Jun 1995 |
| Texaco-Dcrc O-4-8550 | Manley, John D. III, Oper., Inc only | Charamousca (Wilcox 2-a, FB-B) | Duval | 1 | 2.45K | 309 | by Jan 1993 – Jun 1995 |
| Steen-Paramount O-1-13332 | Regal Petroleum Services only | Austin Pierce (Austin Chalk) | Gonzales | 1 | 1.52K | 16 | Feb 1993 – Oct 1995 |
| Duval County Ranch Company -K- O-4-8560 | Exxon Corp. only | Charamousca, W.(wilcox 4, Seg D) | Duval | 1 | 1.52K | 6.9K | by Jan 1993 – Apr 1994 |
| Duval County Ranch Co. "K" O-4-11910 | Exxon Corp. only | Charamousca, West (Yegua 27) | Duval | 1 | 624 | 3.65K | by Jan 1993 – Oct 1993 |
| Haralson State "A" O-4-11418 | S & T Salvage only | Charamousca, West (3350) | Duval | 1 | 481 | 26 | by Jan 1993 – Jan 1994 |
| Paramount-Zbikowski O-2-7745 | Great Western Onshore Inc. only | Elmer Kolle (Frio 4825) | Victoria | 1 | 429 | 11.7K | by Jan 1993 – May 1993 |
| Worden-Drought O-4-13242 | Texas, Les & Co. only | Charamousca, W.(stringer-1700) | Duval | 1 | 153 | 0 | Dec 2003 – Aug 2017 |
| DCR 295 SW O-4-13819 | Killam Oil Co., Ltd. only | Charamousca, South | Duval | 1 | 100 | 0 | Jul 2013 – Jun 2014 |
| Drought 156 O-4-13820 | Smith Production Inc. only | Charamousca, South | Duval | 2 | 0 | 0 | — |