| Wieting, A. M. Gas Unit G-3-151457 | White Marlin Operating Co, LLC only | Chocolate Bayou (12,000-S) | Brazoria | 1 | 883K | 17M | Jul 1994 – Aug 2016 |
| Wieting, A.M. G-3-254238 | White Marlin Operating Co, LLC only | Chocolate Bayou (12,000-S) | Brazoria | 1 | 735K | 7.9M | Nov 2009 – Aug 2026 |
| Old O-3-652 | Elliott Oil Company, L.P. only | Chocolate Bayou ( Alibel) | Brazoria | 2 | 617K | 750K | by Jan 1993 – Jun 2025 |
| Black Stone Ivory G-3-228848 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou (11050) | Brazoria | 1 | 588K | 3.85M | May 2007 – Jun 2026 |
| Schenck G-3-141008 | XOG Resources, LLC only | Chocolate Bayou (Andrau Stray) | Brazoria | 1 | 521K | 2.83M | by Jan 1993 – Jun 2017 |
| Wieting O-3-25393 | White Marlin Operating Co, LLC only | Chocolate Bayou (Alibel Stray) | Brazoria | 1 | 348K | 324K | Aug 2009 – Aug 2026 |
| Wieting, A. M. O-3-679 | White Marlin Operating Co, LLC only | Chocolate Bayou ( Frio Upper) | Brazoria | 9 | 343K | 1.84M | by Jan 1993 – Aug 2026 |
| Farms, I. P. G-3-143862 | Milagro Exploration, LLC only | Chocolate Bayou (IP) | Brazoria | 1 | 329K | 33.3M | by Jan 1993 – Dec 2011 |
| I. P. Farms G Unit G-3-138759 | XOG Resources, LLC only | Chocolate Bayou (Andrau) | Brazoria | 1 | 255K | 6.42M | by Jan 1993 – Sep 2012 |
| Houston "M" O-3-23056 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou, N. (Schenck) | Brazoria | 1 | 232K | 460K | Jun 1996 – Jan 2025 |
| Borsodi O-3-11004 | Elliott Oil Company, L.P. only | Chocolate Bayou ( Frio Upper) | Brazoria | 1 | 232K | 57.1K | by Jan 1993 – Oct 2025 |
| Angle G-3-154744 | Phillips Petroleum Company only | Chocolate Bayou (12,000-S) | Brazoria | 1 | 223K | 5.4M | May 1995 – Jul 2000 |
| Kitchen O-3-21812 | Atlas Operating LLC only | Chocolate Bayou ( Frio Upper) | Brazoria | 1 | 223K | 118K | by Jan 1993 – Aug 2026 |
| Farms, I. P. G-3-148541 | Meridian Resource & Expl Co, The only | Chocolate Bayou (IP) | Brazoria | 1 | 219K | 19.4M | Sep 1993 – Jun 1999 |
| Plummer O-3-23181 | Atlas Operating LLC only | Chocolate Bayou | Brazoria | 1 | 204K | 215K | Jan 1997 – Aug 2026 |
| Schenck G-3-158354 | XOG Resources, LLC only | Chocolate Bayou (12,000-S) | Brazoria | 1 | 166K | 3.81M | Jan 1996 – Oct 1998 |
| Bernand Unit O-3-662 | Atlas Operating LLC only | Chocolate Bayou ( Frio Upper) | Brazoria | 2 | 163K | 167K | by Jan 1993 – Aug 2026 |
| Wieting, A. M. G-3-138865 | Texaco E & P Inc. only | Chocolate Bayou (Andrau Stray) | Brazoria | 1 | 162K | 1.11M | by Jan 1993 – Nov 1995 |
| Wieting, A. M. Gas Unit G-3-235493 | Dune Operating Company only | Chocolate Bayou (Andrau) | Brazoria | 1 | 153K | 1.46M | Feb 2008 – Sep 2009 |
| Wieting, A. M. O-3-10697 | White Marlin Operating Co, LLC only | Chocolate Bayou (9020) | Brazoria | 5 | 152K | 60.4K | by Jan 1993 – Aug 2026 |
| Cozby G-3-251302 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou ( Ho.fms. UP) | Brazoria | 1 | 143K | 393K | Nov 2008 – Jun 2024 |
| Farms, I. P. G-3-155093 | Proline Energy Resources Inc only | Chocolate Bayou (IP) | Brazoria | 1 | 134K | 12.3M | Mar 1995 – Sep 1999 |
| A.M. Wieting O-3-25676 | White Marlin Operating Co, LLC only | Chocolate Bayou (9060) | Brazoria | 1 | 132K | 332K | Jan 2010 – Aug 2026 |
| Farms, I. P. O-3-21014 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou, S. (10700 Frio) | Brazoria | 2 | 132K | 491K | by Jan 1993 – Jun 2024 |
| McKelvy O-3-21726 | Elliott Oil Company, L.P. only | Chocolate Bayou ( Frio Upper) | Brazoria | 1 | 107K | 149K | by Jan 1993 – Dec 2024 |
| I. P. Farms 366 Ac. Gas Unit G-3-167011 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou, S. (LHF-Frio) | Brazoria | 1 | 102K | 4.48M | Dec 1997 – Aug 2002 |
| I. P. Farms 366 Ac. Gas Unit G-3-204713 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou, S. (Frio 9900) | Brazoria | 1 | 102K | 259K | Apr 2004 – Jan 2025 |
| Price, J. E. O-3-24473 | Elliott Oil & Gas Operating Co. only | Arcola | Brazoria | 1 | 101K | 231K | Nov 2003 – Mar 2021 |
| Harris, W.C. et Al O-3-102 | Elliott Oil & Gas Operating Co. only | Arcola | Brazoria | 1 | 99.7K | 77.8K | by Jan 1993 – Jun 2024 |
| Wilson, R. K. Gas Unit No. 1 G-3-142716 | Dune Operating Company only | Chocolate Bayou (Frio R-1) | Brazoria | 1 | 98.2K | 2.81M | by Jan 1993 – Mar 1996 |
| Thess O-3-25706 | Elliott Oil Company, L.P. only | Chocolate Bayou ( Frio Upper) | Brazoria | 1 | 98K | 66.5K | May 2010 – Jan 2025 |
| Black Stone Ivory G-3-283536 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou (11050) | Brazoria | 1 | 97.5K | 1.02M | Aug 2017 – Jan 2025 |
| I. P. Farms G Unit G-3-173121 | XOG Resources, LLC only | Chocolate Bayou (Andrau) | Brazoria | 1 | 96.4K | 2.87M | Apr 1999 – Jan 2005 |
| Wieting, A. M. Gas Unit G-3-198102 | Dune Operating Company only | Chocolate Bayou ( Frio P) | Brazoria | 1 | 83.6K | 2.62M | Oct 2003 – Jul 2008 |
| Farms, I. P. Unit A G-3-163888 | Proline Energy Resources Inc only | Chocolate Bayou (Andrau) | Brazoria | 1 | 81.8K | 2.43M | May 1997 – May 2001 |
| Blackstone Hlavinka G-3-282213 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou (11050) | Brazoria | 1 | 80.2K | 612K | Dec 2016 – Aug 2026 |
| Farms, I. P. G-3-181539 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou, N. (10400) | Brazoria | 1 | 79.2K | 1.96M | Dec 2000 – Oct 2023 |
| Kentzelman O-3-13183 | Alegre Energy, Inc. only | Chocolate Bayou (10570) | Brazoria | 1 | 77.6K | 27 | by Jan 1993 – Aug 2012 |
| Cozby G-3-136387 | Quantum Resources Management,llc only | Chocolate Bayou (Andrau) | Brazoria | 1 | 76K | 2.45M | by Jan 1993 – Jun 2003 |
| Schenck G-3-283765 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou (Frio, First) | Brazoria | 1 | 73K | 147K | Feb 2018 – May 2026 |
| Grubbs O-3-22686 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou (Frio, First) | Brazoria | 1 | 71.6K | 48.7K | Apr 1995 – Jul 2024 |
| Wilson, R. K. Gas Unit No. 1 G-3-158958 | Dune Operating Company only | Chocolate Bayou (12,000) | Brazoria | 1 | 66.8K | 2.33M | Mar 1996 – May 2008 |
| Black Stone Ivory G-3-206987 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou,n.(andrau Stray) | Brazoria | 1 | 61.3K | 887K | Dec 2004 – May 2026 |
| Wilson, R. K. -B- NCT-1 O-3-680 | White Marlin Operating Co, LLC only | Chocolate Bayou ( Frio Upper) | Brazoria | 4 | 60.8K | 293K | May 1996 – Aug 2026 |
| Tri-Wallinder O-3-25598 | Elliott Oil & Gas Operating Co. only | Chocolate Bayou ( Frio Upper) | Brazoria | 1 | 60.4K | 37.3K | Oct 2007 – Jul 2026 |
| Price, J.E. O-3-19014 | Elliott Oil & Gas Operating Co. only | Arcola (7400 Frio) | Brazoria | 1 | 60K | 48.3K | by Jan 1993 – May 2021 |
| Banfield G-3-158351 | Phillips Petroleum Company only | Chocolate Bayou (12,000-S) | Brazoria | 1 | 58.8K | 1.86M | Mar 1996 – Oct 1998 |
| Charles Duke et al Unit No. 1 O-3-26019 | Sandalwood Exploration, L.P. only | Chocolate Bayou ( Frio Upper) | Brazoria | 1 | 56K | 86.3K | Aug 2012 – Oct 2014 |
| Wilson R. K. G. U. NO 1 G-3-120403 | Texaco E & P Inc. only | Chocolate Bayou (Andrau) | Brazoria | 1 | 55.2K | 1.68M | by Jan 1993 – May 1996 |
| Price, J. O-3-12443 | Elliott Oil & Gas Operating Co. only | Arcola | Brazoria | 2 | 53K | 107K | Apr 1996 – Mar 2021 |