| Chapman Ranch "A" G-4-227943 | Decker Operating Co., L.L.C. | Mobil-David (Howell Hight) | Nueces | 1 | 123K | 1.66M | Feb 2007 – Sep 2025 |
| Sample G-2-288959 | Decker Operating Co., L.L.C. | Bright Falcon (Yegua 9900) | Jackson | 1 | 75.5K | 4.35M | Jan 2020 – Mar 2026 |
| Chapman, J.O. 38 G-4-164385 | Decker Operating Co., L.L.C. | Mobil-David, W. (Howell Hight) | Nueces | 1 | 64.2K | 972K | May 1997 – Nov 2009 |
| Chapman Ranch G-4-232247 | Decker Operating Co., L.L.C. | Mobil-David (Howell Hight) | Nueces | 1 | 59.1K | 1.47M | Jul 2007 – Apr 2012 |
| Chapman Ranch G-4-235046 | Decker Operating Co., L.L.C. | Mobil-David (Howell Hight) | Nueces | 1 | 56.4K | 849K | Feb 2008 – Mar 2026 |
| Chapman, J. O. G-4-217866 | Decker Operating Co., L.L.C. | Mobil-David (Frio 12,600) | Nueces | 1 | 54K | 283K | Dec 2005 – Oct 2016 |
| Sample G-2-293767 | Decker Operating Co., L.L.C. | Bright Falcon (Yegua 9580) | Jackson | 1 | 44.7K | 1.54M | Oct 2022 – Mar 2026 |
| Chapman Ranch G-4-225042 | Decker Operating Co., L.L.C. | Mobil-David (Howell Hight) | Nueces | 1 | 42.1K | 1.42M | Jan 2007 – Feb 2026 |
| Porche G-2-177660 | Decker Operating Co., L.L.C. | Bright Falcon (Yegua 9600) | Jackson | 1 | 18.1K | 8.05M | Jun 2000 – Oct 2021 |
| Chapman Ranch "B" G-4-199951 | Decker Operating Co., L.L.C. | Chapman Ranch (9650) | Nueces | 1 | 16.9K | 1.22M | Nov 2003 – Mar 2016 |
| Chapman, J.O. G-4-164942 | Decker Operating Co., L.L.C. | Mobil-David, SW. (Howell Hight) | Nueces | 1 | 14.9K | 1.62M | May 1997 – Dec 2012 |
| Gaus-Janssen G-2-183151 | Decker Operating Co., L.L.C. | Runge, E. (Hackney) | Karnes | 1 | 11.8K | 653K | Feb 2001 – Mar 2005 |
| Chapman Ranch G-4-235060 | Decker Operating Co., L.L.C. | Mobil-David (Frio 12,600) | Nueces | 1 | 11.1K | 682K | Jan 2008 – Jan 2009 |
| Chapman Ranch G-4-230045 | Decker Operating Co., L.L.C. | Mobil-David (Howell Hight) | Nueces | 1 | 10.6K | 711K | Aug 2007 – Apr 2012 |
| Chapman Ranch G-4-276142 | Decker Operating Co., L.L.C. | Chapman Ranch (Upper Frio Cons.) | Nueces | 1 | 10.1K | 273K | Jan 2015 – Sep 2016 |
| Chapman Ranch G-4-221355 | Decker Operating Co., L.L.C. | Mobil-David (Howell Hight) | Nueces | 1 | 10.1K | 319K | Apr 2006 – Oct 2013 |
| Chapman Ranch G-4-173989 | Decker Operating Co., L.L.C. | Chapman Ranch, S. (Mass. 4700) | Nueces | 1 | 10.1K | 489K | Apr 1999 – Jul 2002 |
| Chapman Ranch "B" G-4-194740 | Decker Operating Co., L.L.C. | Chapman Ranch (9650) | Nueces | 1 | 9.49K | 761K | Apr 2003 – Jun 2007 |
| Kirby Heirs G-5-237244 | Decker Operating Co., L.L.C. | Thomas Lake (Cotton Valley) | Henderson | 1 | 5.69K | 485K | Mar 2008 – Jan 2026 |
| Chapman Ranch G-4-234945 | Decker Operating Co., L.L.C. | Mobil-David (Howell Hight) | Nueces | 1 | 3.94K | 132K | Nov 2007 – Oct 2014 |
| Chapman Ranch G-4-261596 | Decker Operating Co., L.L.C. | Chapman Ranch (Catahoula Cons.) | Nueces | 1 | 2.76K | 93.6K | May 2011 – Aug 2019 |
| Gladney Gas Unit G-5-262916 | Decker Operating Co., L.L.C. | Tri-Cities (Cotton Valley) | Henderson | 1 | 2.5K | 697K | Nov 2010 – Mar 2026 |
| Chapman Ranch G-4-247512 | Decker Operating Co., L.L.C. | Chapman Ranch (Upper Frio Cons.) | Nueces | 1 | 2.05K | 26.5K | Oct 2008 – Apr 2012 |
| Janssen, J. F. G-2-82613 | Decker Operating Co., L.L.C. | Runge, E. (Roeder 10250) | Karnes | 1 | 1.91K | 189K | Jan 1993 – Sep 2005 |
| Chapman, J.O. G-4-119922 | Decker Operating Co., L.L.C. | Chapman Ranch (Miocene Cons.) | Nueces | 1 | 1.82K | 78.1K | Jan 1993 – Jan 2003 |
| Chapman, J. O. G-4-166735 | Decker Operating Co., L.L.C. | Mobil-David (Anderson) | Nueces | 1 | 1.39K | 151K | Jan 1998 – Mar 2006 |
| Herring Gas Unit G-2-202959 | Decker Operating Co., L.L.C. | Clayton, North (5780 Slick) | Live Oak | 1 | 1.33K | 48.1K | Oct 2003 – Feb 2004 |
| Bernard, Hvalinka G-3-218132 | Decker Operating Co., L.L.C. | Bernard, W. (Cook Mt. 7800) | Wharton | 1 | 1.11K | 332K | Jun 2006 – Sep 2015 |
| Lee Heirs G-5-236077 | Decker Operating Co., L.L.C. | Thomas Lake (Cotton Valley) | Henderson | 1 | 858 | 181K | Jun 2008 – Jan 2026 |
| Wilbanks G-5-248069 | Decker Operating Co., L.L.C. | Thomas Lake (Cotton Valley) | Henderson | 1 | 803 | 92K | Jan 2009 – Jan 2026 |
| Wofford Heirs G-5-251064 | Decker Operating Co., L.L.C. | Thomas Lake (Cotton Valley) | Henderson | 1 | 676 | 135K | Mar 2009 – Jan 2026 |
| Chapman Ranch G-4-243891 | Decker Operating Co., L.L.C. | Chapman Ranch (Anderson, Lo.) | Nueces | 1 | 625 | 36.9K | Nov 2008 – Apr 2011 |
| Bain, Clay G-5-240346 | Decker Operating Co., L.L.C. | Alligator Creek (Bossier) | Navarro | 1 | 505 | 79K | Jun 2008 – Apr 2017 |
| Trammell G-6-233576 | Decker Operating Co., L.L.C. | Turlington | Henderson | 1 | 420 | 218K | Jan 2008 – May 2017 |
| Kennedy G-5-233479 | Decker Operating Co., L.L.C. | Malakoff, South (Travis Peak) | Henderson | 1 | 209 | 95.6K | Jan 2008 – Feb 2017 |
| Parker Trust Gas Unit G-5-241139 | Decker Operating Co., L.L.C. | Thomas Lake (Cotton Valley) | Henderson | 1 | 196 | 51.8K | May 2008 – Mar 2011 |
| Chapman, J. O. "D" G-4-225204 | Decker Operating Co., L.L.C. | Chapman Ranch (Catahoula Cons.) | Nueces | 1 | 66 | 9.39K | Apr 2006 – Feb 2007 |
| Cox Venable G-5-252319 | Decker Operating Co., L.L.C. | Thomas Lake (Cotton Valley) | Henderson | 1 | 59 | 125K | Apr 2010 – Jan 2026 |
| Chapman Ranch G-4-255656 | Decker Operating Co., L.L.C. | Wildcat | Nueces | 1 | 45 | 200 | May 2010 – Jun 2010 |
| Chapman, J. O. G-4-180218 | Decker Operating Co., L.L.C. | Chapman Ranch (Miocene Cons.) | Nueces | 1 | 27 | 322K | Nov 2000 – Oct 2005 |
| Bain, R. A. G-5-190782 | Decker Operating Co., L.L.C. | Alligator Creek (Bossier) | Navarro | 1 | 25 | 40.6K | Dec 2001 – Apr 2017 |
| Chapman Ranch G-4-243672 | Decker Operating Co., L.L.C. | Arnold--David (10,400) | Nueces | 1 | 20 | 4.18K | Aug 2008 – Jan 2010 |
| Chapman, J. O. G-4-157580 | Decker Operating Co., L.L.C. | Chapman Ranch (Miocene Cons.) | Nueces | 1 | 10 | 158K | Dec 1995 – Jun 2011 |
| Frank Sorrel Jr. G-3-246619 | Decker Operating Co., L.L.C. | Spanish Camp, South (4000 Frio) | Wharton | 1 | 0 | 76.9K | Jan 2009 – Apr 2012 |
| Macha G.U. NO.2 G-3-244600 | Decker Operating Co., L.L.C. | Mary Macha (Frio) | Wharton | 1 | 0 | 42.1K | Oct 2008 – Dec 2013 |
| Locke Gas Unit G-3-195686 | Decker Operating Co., L.L.C. | Hungerford, N. (3300) | Wharton | 1 | 0 | 96.1K | May 2003 – Apr 2006 |
| Hlavinka Gas Unit G-3-235617 | Decker Operating Co., L.L.C. | Hungerford, North (4750) | Wharton | 1 | 0 | 97.3K | Nov 2007 – Mar 2010 |
| Hlavinka Gas Unit G-3-193460 | Decker Operating Co., L.L.C. | Hungerford, North (5000) | Wharton | 1 | 0 | 586K | Jan 2003 – Oct 2007 |
| Battle Unit No. 1 G-3-206907 | Decker Operating Co., L.L.C. | Lissie, South (Frio 4350) | Fort Bend | 1 | 0 | 674K | Dec 2004 – Feb 2021 |
| Callaway G-3-204728 | Decker Operating Co., L.L.C. | Hungerford, North (3050) | Wharton | 1 | 0 | 222K | Oct 2004 – Nov 2019 |