| Heard, Mrs. Fannie V. W. G-2-182039 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 231K | Jan 2001 – Jan 2005 |
| Lambert, M. F. G-2-182043 | Hilcorp Energy Company only | Tom Oconnor (5440) | Refugio | 1 | 0 | 301K | Feb 2001 – Apr 2009 |
| Heard, Mrs. Fannie V. W. G-2-182084 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 230K | Feb 2001 – Jul 2004 |
| Heard, Mrs. Fannie V. W. G-2-182376 | Hilcorp Energy Company only | Tom Oconnor (5200, East) | Refugio | 1 | 0 | 3.11K | Mar 2001 – Apr 2001 |
| Thomas O'Connor 'D' G-2-182449 | Hilcorp Energy Company only | Melon Creek | Refugio | 1 | 0 | 87.9K | Sep 2000 – Jul 2009 |
| O'Connor, Thomas G-2-182582 | Primrose Operating Company only | Greta (0-5-B) | Refugio | 1 | 0 | 7.7K | Mar 2001 – Sep 2001 |
| Heard, Clement G-2-182608 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 80.3K | Mar 2001 – Mar 2002 |
| O'Connor, Thomas "C" G-2-182617 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 12.9K | Jan 2001 – Oct 2002 |
| Lambert, M. F. G-2-182636 | Hilcorp Energy Company only | Greta (2950) | Refugio | 1 | 0 | 87.6K | Feb 2001 – Apr 2007 |
| Lambert, M. F. G-2-182642 | Hilcorp Energy Company only | Tom Oconnor (5440) | Refugio | 1 | 0 | 179K | Feb 2001 – Nov 2009 |
| O'Connor, L. W. G-2-183115 | Emerald Oil & Gas LC only | Mary Ellen Oconnor (FS-1) | Refugio | 1 | 0 | 203K | Feb 2001 – Jan 2006 |
| O'Connor, Thomas -A- G-2-183195 | Hilcorp Energy Company only | Tom Oconnor (4200) | Refugio | 1 | 0 | 285K | Mar 2001 – Sep 2011 |
| O'Brien, J. M. BP (AM) G-2-183223 | Acock/Anaqua Operating Co., LP only | Greta (1250) | Refugio | 1 | 0 | 46.4K | Apr 2001 – Oct 2004 |
| Williams, Maude et al "A" G-2-183230 | Hilcorp Energy Company only | Lake Pasture (H-434) | Refugio | 1 | 0 | 1.46M | Oct 2000 – Jun 2010 |
| Rooke "A" G-2-183235 | Wofford, C. J. only | Refugio New (2600) | Refugio | 1 | 0 | 79K | Mar 2001 – Dec 2005 |
| Lambert, M. F. G-2-183375 | Hilcorp Energy Company only | Tom Oconnor (4200) | Refugio | 1 | 0 | 19.9K | Apr 2001 – Jan 2002 |
| Strip G-2-183700 | T - C Oil Company only | Lake Pasture (M-348) | Refugio | 1 | 0 | 927K | Apr 2001 – Jan 2006 |
| Roche, K. D. A G-2-184135 | Kovar Operating, LLC only | Roche (6400) | Refugio | 1 | 0 | 89.1K | Mar 2001 – May 2018 |
| Roche, K. D. A G-2-184136 | Kovar Operating, LLC only | Roche (6400) | Refugio | 1 | 0 | 66.4K | Mar 2001 – Sep 2015 |
| Huff GU 1 G-2-184260 | Remora Management, LLC only | Huff (3160) | Refugio | 1 | 0 | 69.8K | May 2001 – Aug 2006 |
| Kentucky-Fagan G-2-184273 | Anderson Oil Ltd. only | Fagan (2850) | Refugio | 1 | 0 | 28.8K | May 2001 – Oct 2001 |
| O'Connor, Dennis et al -L- G-2-184277 | T - C Oil Company only | Lake Pasture (FS-545,E) | Refugio | 1 | 0 | 90.2K | Aug 2001 – Jan 2002 |
| 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 |
| Heard, Fannie V. W. G-2-198671 | Cambrian Management, Ltd. only | Greta (5900) | Refugio | 1 | 0 | 605K | Dec 2002 – Nov 2007 |
| Collins-Buck Unit G-2-198679 | Christopher Oil & Gas Inc only | Bonnie View (3430) | Refugio | 1 | 0 | 253K | Jul 2003 – Dec 2010 |
| La Rosa Unit G-2-198744 | Rising Star Energy Partners II, only | La Rosa (6750, Above, Gas) | Refugio | 1 | 0 | 143K | Sep 2003 – Jul 2007 |
| O'Connor, Dennis et al -L- G-2-198753 | T-C Oil Company, LLC only | Lake Pasture (H-434) | Refugio | 1 | 0 | 1.31M | Aug 2003 – Apr 2020 |
| O'Connor, Thomas -D- G-2-198788 | Hilcorp Energy Company only | Tom Oconnor (4950) | Refugio | 1 | 0 | 60.5K | Sep 2003 – Oct 2006 |
| O'Connor -D- G-2-198796 | T - C Oil Company only | Lake Pasture (H-434) | Refugio | 1 | 0 | 857K | Jan 2004 – Apr 2006 |
| Heard, Clement G-2-199046 | Hilcorp Energy Company only | Tom Oconnor (6300) | Refugio | 1 | 0 | 53.4K | Sep 2003 – Apr 2005 |
| Mc G-2-199090 | Braman, D. H., Jr. only | Wildcat | Refugio | 1 | 0 | 0 | — |
| O'Brien, J. M. G-2-199111 | Primrose Operating Company only | Greta, Deep (5700, Seg. N) | Refugio | 1 | 0 | 222K | Oct 2003 – Jan 2005 |
| Shelton, N G-2-199793 | Cummins & Walker Oil Co., Inc. only | Hynes Ranch (2550) | Refugio | 1 | 0 | 49.1K | Oct 2003 – May 2004 |