| Griffith O-3-27121 | Winnie, N. (Nodosaria Up. 9500) | Jefferson | 1 | 5.21K | 16.1K | Feb 2008 – Feb 2026 |
| Borsodi O-3-11004 | Chocolate Bayou ( Frio Upper) | Brazoria | 1 | 232K | 57.1K | Jan 1993 – Oct 2025 |
| David Young O-3-27872 | Chocolate Bayou, S. (Frio 9900) | Brazoria | 2 | 42.4K | 0 | Mar 2021 – Aug 2025 |
| Cozby O-3-22408 | Chocolate Bayou ( Frio Upper) | Brazoria | 1 | 51K | 98.1K | Apr 1994 – Jul 2025 |
| Old O-3-652 | Chocolate Bayou ( Alibel) | Brazoria | 2 | 617K | 750K | Jan 1993 – Jun 2025 |
| Farms, I. P. PG O-3-23813 | Pegasus Gulf Coast (Grubbs) | Brazoria | 1 | 76.3K | 596K | Apr 2000 – Apr 2025 |
| Williams Unit O-3-27555 | Algoa ( 32, 9400) | Galveston | 1 | 12.7K | 0 | Jun 2018 – Apr 2025 |
| Houston "M" O-3-23056 | Chocolate Bayou, N. (Schenck) | Brazoria | 1 | 232K | 460K | Jun 1996 – Jan 2025 |
| Thess O-3-25706 | Chocolate Bayou ( Frio Upper) | Brazoria | 1 | 98K | 66.5K | May 2010 – Jan 2025 |
| Houston "A" O-3-25657 | Chocolate Bayou ( Ho.fms. UP) | Brazoria | 1 | 33K | 20.3K | Jul 2010 – Jan 2025 |
| Davis Unit O-3-26800 | Algoa (35 Sand) | Galveston | 1 | 31.1K | 48K | Feb 2014 – Jan 2025 |
| Truksa O-3-23743 | Chocolate Bayou (Frio, First) | Brazoria | 1 | 12.4K | 4.46K | Apr 1999 – Jan 2025 |
| McKelvy O-3-21726 | Chocolate Bayou ( Frio Upper) | Brazoria | 1 | 107K | 149K | Jan 1993 – Dec 2024 |
| Cozby O-3-25850 | Chocolate Bayou ( Alibel) | Brazoria | 1 | 3.46K | 2.22K | Mar 2012 – Sep 2024 |
| Grubbs O-3-22686 | Chocolate Bayou (Frio, First) | Brazoria | 1 | 71.6K | 48.7K | Apr 1995 – Jul 2024 |
| Tri-Wallinder O-3-25598 | Chocolate Bayou ( Frio Upper) | Brazoria | 1 | 57.7K | 37.3K | Oct 2007 – Jul 2024 |
| I.P. Farms "C" O-3-25722 | Chocolate Bayou (Grubbs Sand) | Brazoria | 1 | 18.4K | 18.7K | Dec 2010 – Jul 2024 |
| De Witt Gas Unit O-3-26849 | Hamshire, West (Hackberry 10850) | Jefferson | 1 | 11K | 0 | May 2014 – Jul 2024 |
| Houston Farms Dev. O-3-27302 | Chocolate Bayou (Grubbs Sand) | Brazoria | 1 | 10.1K | 2.13K | Jan 2018 – Jul 2024 |
| Grubbs O-3-11477 | Chocolate Bayou ( Frio Upper) | Brazoria | 1 | 9.39K | 468 | Apr 1995 – Jul 2024 |
| Wolters Unit O-3-26447 | Cypress Landing (Eagle Ford) | Fayette | 1 | 8.85K | 12.2K | Nov 2013 – Jul 2024 |
| Davis Unit O-3-26852 | Algoa ( 34 Sand) | Galveston | 1 | 8.07K | 28.8K | Mar 2014 – Jul 2024 |
| IP Farms (M) O-3-27743 | Chocolate Bayou ( Frio Upper) | Brazoria | 1 | 222 | 1.04K | May 2020 – Jul 2024 |
| Farms, I. P. O-3-21014 | Chocolate Bayou, S. (10700 Frio) | Brazoria | 2 | 132K | 491K | Jan 1993 – Jun 2024 |
| Harris, W.C. et Al O-3-102 | Arcola | Brazoria | 1 | 99.7K | 77.8K | Jan 1993 – Jun 2024 |
| Miller O-3-27989 | Chocolate Bayou ( Ho.fms. UP) | Brazoria | 1 | 739 | 0 | Aug 2022 – May 2024 |
| Blackstone-Hlavinka O-3-27927 | Pegasus Gulf Coast (Grubbs) | Brazoria | 1 | 22.5K | 219K | Apr 2022 – Feb 2024 |
| Black Stone Ivory O-3-24832 | Chocolate Bayou (Frio, First) | Brazoria | 1 | 4.46K | 35.5K | Jan 2006 – Sep 2022 |
| Huffman, V. S. O-3-23937 | Arcola (7320) | Brazoria | 1 | 22.5K | 62.6K | Sep 2000 – Sep 2021 |
| Price, J.E. O-3-19014 | Arcola (7400 Frio) | Brazoria | 1 | 60K | 48.3K | Jan 1993 – May 2021 |
| Price, J. E. O-3-24473 | Arcola | Brazoria | 1 | 101K | 231K | Nov 2003 – Mar 2021 |
| Price, J. O-3-12443 | Arcola | Brazoria | 2 | 53K | 107K | Apr 1996 – Mar 2021 |
| Witmer-Price O-3-24735 | Arcola | Brazoria | 1 | 41.2K | 192K | Feb 2005 – Mar 2021 |
| Larue, H. O-6-13859 | Sand Branch Creek (Buda) | Houston | 1 | 545K | 219K | Aug 1998 – Mar 2019 |
| Icce O-3-26648 | Hockley | Harris | 1 | 8.14K | 0 | Nov 2014 – Jan 2017 |
| Cooper B Unit O-3-27454 | Algoa (24) | Galveston | 1 | 20 | 0 | Dec 2016 – Dec 2016 |
| Monroe Koch Gas Unit O-3-25817 | New Ulm (LWR Wilcox Cons.) | Austin | 1 | 19.4K | 28.9K | Jan 2012 – Mar 2015 |
| Doty O-3-24676 | Bleiblerville (Wilcox 9400) | Austin | 1 | 43.8K | 175K | Feb 2005 – Jul 2010 |
| Tacquard O-3-24813 | Total Eclipse (UP Intrepid Frio) | Galveston | 1 | 21K | 102K | Oct 2005 – Jan 2010 |
| Thornton Unit O-3-25254 | Winnie, N. (Miocene 6100) | Chambers | 1 | 8 | 0 | Mar 2008 – May 2008 |
| Yelderman, G. C. O-3-24636 | New Ulm (Wilcox 9700) | Austin | 1 | 7.76K | 33.1K | Oct 2004 – Feb 2006 |
| Shupak, J. R. O-6-13981 | Sand Branch Creek (Buda) | Houston | 1 | 79.1K | 38.9K | Oct 1999 – Apr 2005 |
| Witmer-Price O-3-24633 | Arcola (6600 Frio) | Brazoria | 1 | 1.07K | 93 | Sep 2004 – Jan 2005 |
| Andrau O-3-23174 | Chocolate Bayou ( Ho.fms. UP) | Brazoria | 1 | 40.8K | 13.5K | Feb 1997 – Jun 2004 |
| Carroll, W. M. O-3-4943 | Nome, South (Hackberry) | Jefferson | 2 | 10.2K | 20 | Jan 1993 – Oct 2002 |
| Clement, H. O-3-3591 | Rowan, South (8500 Sand) | Brazoria | 3 | 4.94K | 0 | Nov 1997 – Oct 2001 |
| Andrau, William O-3-23344 | Chocolate Bayou (Frio, First) | Brazoria | 1 | 1.2K | 29K | Aug 1997 – Oct 2001 |
| Huffman, V. S. O-3-23603 | Arcola | Brazoria | 1 | 1.94K | 4.53K | Aug 1998 – Dec 1999 |
| Price, Witmer O-3-15451 | Arcola (7400 Frio) | Brazoria | 1 | 18.8K | 12.3K | Jan 1993 – Feb 1999 |
| Tucker, R. L. O-1-14154 | Campana | McMullen | 1 | 566 | 0 | Dec 1997 – Feb 1999 |