| O'Connor, Thomas "A" G-2-187875 | Hilcorp Energy Company only | Tom Oconnor (5400 Sand) | Refugio | 1 | 0 | 206K | Jan 2002 – Apr 2005 |
| La Rosa Unit G-2-187879 | Rising Star Energy Partners II, only | La Rosa (6750, Above, Gas) | Refugio | 1 | 0 | 254K | Jan 2002 – Oct 2007 |
| WLP G-2-187888 | T-C Oil Company, LLC only | Lake Pasture (H-434) | Refugio | 1 | 0 | 0 | — |
| Tom O'Connor 4400 Sand Gas Unit G-2-188155 | Hilcorp Energy Company only | Tom Oconnor (4400) | Refugio | 1 | 0 | 402K | Dec 2001 – Mar 2004 |
| Tom O'Connor 4400 Sand Gas Unit G-2-188159 | Hilcorp Energy Company only | Tom Oconnor (4400) | Refugio | 1 | 0 | 249K | Jan 2002 – Aug 2003 |
| O'Connor, Dennis et al -L- G-2-188176 | T-C Oil Company, LLC only | Lake Pasture (H-434) | Refugio | 1 | 0 | 1.23M | Jan 2002 – Feb 2013 |
| O'Connor, Thomas "C" G-2-188183 | Hilcorp Energy Company only | Tom Oconnor (4200) | Refugio | 1 | 0 | 163K | Jan 2002 – Sep 2005 |
| Dennis O'Connor et al -L- G-2-188219 | T - C Oil Company only | Lake Pasture (H-434) | Refugio | 1 | 0 | 416K | Dec 2001 – Dec 2004 |
| Reilly, Annie et Vir G-2-188438 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 75K | Dec 2001 – Mar 2003 |
| O'Connor, Thomas -C- G-2-188439 | Hilcorp Energy Company only | Tom O'Connor (4910) | Refugio | 1 | 0 | 616K | Jan 2002 – Aug 2008 |
| Dennis O'Connor et al -L- G-2-188455 | T-C Oil Company, LLC only | Lake Pasture (H-434) | Refugio | 1 | 0 | 459K | Jan 2002 – Nov 2006 |
| O'Connor "E" G-2-188459 | Bishop Petroleum Inc. only | Wildcat | Refugio | 1 | 0 | 1.1K | Jun 2000 – Sep 2000 |
| O'Connor, Thomas "C" G-2-188635 | Hilcorp Energy Company only | Tom Oconnor (5450 Sand) | Refugio | 1 | 0 | 33.9K | Feb 2002 – Apr 2003 |
| T-C Oil Co.-O'Connor G-2-188646 | T - C Oil Company only | Lake Pasture (H-434) | Refugio | 1 | 0 | 2.05M | Feb 2002 – May 2008 |
| O'Connor, Mary Ellen G-2-188886 | Emerald Oil & Gas LC only | Mary Ellen Oconnor (FS-47 Sand) | Refugio | 1 | 0 | 4.15K | Nov 2003 – Aug 2008 |
| O'Connor, Mary Ellen G-2-188888 | Emerald Oil & Gas LC only | Mary Ellen Oconnor (H-117) | Refugio | 1 | 0 | 54.4K | Jan 2003 – Aug 2008 |
| Dennis O'Connor et al -L- G-2-188890 | T - C Oil Company only | Lake Pasture (H-434) | Refugio | 1 | 0 | 1.54M | Jan 2002 – Jul 2010 |
| O'Connor, Thomas 'A' G-2-188900 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 97.3K | Nov 2000 – May 2003 |
| Wood, L. Est. G-2-188901 | Cummins & Walker Oil Co., Inc. only | Woodsboro, West (3400) | Refugio | 1 | 0 | 22.7K | Feb 2002 – May 2002 |
| O'Connor G-2-188980 | T - C Oil Company only | Huff (5400) | Refugio | 1 | 0 | 693K | Feb 2002 – Aug 2010 |
| Huff G.U. #1 G-2-189002 | Remora Management, LLC only | Huff (3700) | Refugio | 1 | 0 | 0 | — |
| T-C Oil Co.-O'Conner G-2-189304 | T-C Oil Company, LLC only | Lake Pasture (H-434) | Refugio | 1 | 0 | 2.1M | Mar 2002 – Feb 2007 |
| Lambert, M. F. G-2-189310 | Hilcorp Energy Company only | Wildcat | Refugio | 1 | 0 | 0 | — |
| O'Connor, Thomas "A" G-2-189324 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 8.48K | Feb 2002 – May 2003 |
| Scanio, M. G-2-189411 | Acock/Anaqua Operating Co., LP only | Refugio-Fox (Kwa Sand) | Refugio | 1 | 0 | 0 | — |
| O'Connor G-2-189460 | T - C Oil Company only | Huff (4770) | Refugio | 1 | 0 | 0 | — |
| O'Connor, Dennis et al -L- G-2-189970 | T - C Oil Company only | Lake Pasture (H-434) | Refugio | 1 | 0 | 1.59M | Jan 2002 – Sep 2007 |
| Rooke "B" G-2-190293 | Wofford, C. J. only | Refugio New (1450) | Refugio | 1 | 0 | 29.5K | Aug 2000 – May 2003 |
| Shelton, J. Isabella G-2-190357 | Paloma Operating, LLC only | Mission River (6000) | Refugio | 1 | 0 | 0 | — |
| O'Connor, L.W. G-2-190386 | Emerald Oil & Gas LC only | Mary Ellen Oconnor (FS-75) | Refugio | 1 | 0 | 576K | Apr 2001 – Apr 2006 |
| Heard, Fannie V.W. Mrs. G-2-190430 | Hilcorp Energy Company only | Tom Oconnor (5200, East) | Refugio | 1 | 0 | 850K | May 2002 – Apr 2014 |
| Rooke B G-2-190440 | Wofford, C. J. only | Refugio New (1100) | Refugio | 1 | 0 | 55.2K | Apr 2002 – Jun 2005 |
| O'Connor, Thomas "A" G-2-190441 | Hilcorp Energy Company only | Tom Oconnor | Refugio | 1 | 0 | 1.55K | Apr 2003 – May 2003 |
| Rooke, B. D. G-2-190662 | Rising Star Energy Partners II, only | La Rosa (6750, Above, Gas) | Refugio | 1 | 0 | 316K | Jun 2002 – Jun 2008 |
| O'Brien, J. J. G-2-190694 | Greta Operating Company LLC only | Greta (5800) | Refugio | 1 | 0 | 299K | Jun 2002 – Aug 2021 |
| Williams, Maude et al "A" G-2-190737 | Hilcorp Energy Company only | Lake Pasture (H-434) | Refugio | 1 | 0 | 964K | Jun 2002 – Dec 2006 |
| Tom O'Connor 4400 Sand Gas Unit G-2-190769 | Hilcorp Energy Company only | Tom Oconnor (4400) | Refugio | 1 | 0 | 333K | Jun 2002 – Jan 2005 |
| Heard, Clement G-2-190830 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 33.6K | Jul 2002 – Jan 2004 |
| Collins-Buck Unit G-2-191083 | Christopher Oil & Gas Inc only | Bonnie View (6250) | Refugio | 1 | 0 | 3.21K | May 2002 – Jul 2002 |
| Williams, Maude et al "A" G-2-191219 | Hilcorp Energy Company only | Lake Pasture (H-434) | Refugio | 1 | 0 | 1.02M | Aug 2002 – Nov 2007 |
| O'Connor, Thomas "A" G-2-192125 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 21.3K | Jun 2002 – Sep 2003 |
| Tom O'Connor 4400 Sand Gas Unit G-2-192184 | Hilcorp Energy Company only | Tom Oconnor (4400) | Refugio | 1 | 0 | 749K | Mar 2002 – Nov 2003 |
| Heard, Wilson "B" G-2-192191 | Hilcorp Energy Company only | Tom Oconnor | Refugio | 1 | 0 | 56.4K | Oct 2002 – Mar 2004 |
| O'Brien, J. M. "B" G-2-192311 | Dorchester Operating Company LLC only | Greta, Deep (5360) | Refugio | 1 | 0 | 89.2K | Aug 2002 – Jun 2009 |
| O'Connor, Dennis et al -N- G-2-192571 | T - C Oil Company only | Huff (5100) | Refugio | 1 | 0 | 63.5K | Feb 2003 – Aug 2003 |
| Tom O'CONNOR(5600 Foot Sand)unit G-2-192700 | Hilcorp Energy Company only | Tom O'Connor (5600 Foot Sand) | Refugio | 1 | 0 | 97.9K | Dec 2002 – Oct 2008 |
| Heard, Mrs. Fannie V. M. G-2-192702 | Hilcorp Energy Company only | Greta (O-2 South) | Refugio | 1 | 0 | 210K | Dec 2002 – Dec 2005 |
| La Rosa Unit G-2-192706 | Rising Star Energy Partners II, only | La Rosa (6750, Above, Gas) | Refugio | 1 | 0 | 31.3K | Jan 2003 – Feb 2008 |
| Heard, F. V. W. G-2-193474 | Acock/Anaqua Operating Co., LP only | Greta (F-1 West) | Refugio | 1 | 0 | 74.1K | Nov 2002 – Sep 2004 |
| O'Connor, Dennis et al -N- G-2-193595 | T - C Oil Company only | Huff (1400) | Refugio | 1 | 0 | 60.2K | Feb 2003 – Jun 2007 |