| Rooke "B" G-2-181729 | Wofford, C. J. only | Refugio New (1100) | Refugio | 1 | 0 | 151K | Dec 2000 – Aug 2003 |
| O'Connor, Thomas "C" G-2-181980 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 36.7K | Jan 2001 – Oct 2001 |
| Bauer, Mary Claire et Vir G-2-182018 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 152K | Jan 2001 – Oct 2003 |
| Heard, Mrs. Fannie V. W. G-2-182021 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 140K | Feb 2001 – Jun 2005 |
| O'Connor -H- G-2-184385 | T-C Oil Company, LLC only | Huff (1400) | Refugio | 1 | 0 | 494 | Jun 2001 – Jun 2001 |
| Maude Williams et al "A" G-2-184421 | Hilcorp Energy Company only | Lake Pasture (FS-515) | Refugio | 1 | 0 | 0 | — |
| O'Connor, Thomas, "D" G-2-184426 | Hilcorp Energy Company only | Melon Creek | Refugio | 1 | 0 | 24.3K | Jun 2001 – Jul 2003 |
| Copano Gas Unit G-2-184463 | T - C Oil Company only | Tom Oconnor (3900, South) | Refugio | 1 | 0 | 29.9K | Jul 2001 – Sep 2003 |
| Schirmer-Buck Unit G-2-184604 | Bent Wing Energy, LLC only | Bonnie View (5500) | Refugio | 1 | 0 | 5.03K | Jun 2001 – Jul 2001 |
| Messer G-2-185384 | Acock Engineering & Assoc., Inc. only | Bonnie View, South (6280) | Refugio | 1 | 0 | 4.67K | Jul 2001 – Jan 2002 |
| O'Connor "G" G-2-185670 | Bishop Petroleum Inc. only | Train Wreck (2200) | Refugio | 1 | 0 | 455K | May 2001 – Dec 2011 |
| Rooke "B" G-2-185716 | Wofford, C. J. only | Refugio New (3550) | Refugio | 1 | 0 | 171K | Aug 2001 – Mar 2005 |
| Schirmer-Buck "a" Unit G-2-185739 | Christopher Oil & Gas Inc only | Bonnie View (5700) | Refugio | 1 | 0 | 267K | Aug 2001 – Oct 2003 |
| Heard, Mrs. Fannie V. W. G-2-186371 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 138K | Mar 2001 – Feb 2004 |
| O'Connor, Thomas 'C' G-2-186373 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 51.3K | Apr 2001 – May 2003 |
| Heard, Ira "B" G-2-186374 | Hilcorp Energy Company only | Tom O'Connor (4910) | Refugio | 1 | 0 | 1.04K | Mar 2001 – Apr 2001 |
| O'Connor, Mary Ellen G-2-186393 | O'Connor Energy Management, LLC only | Mary Ellen Oconnor (4175) | Refugio | 1 | 0 | 514K | May 2001 – Dec 2015 |
| Tom O'Connor 4400 Sand Gas Unit G-2-186435 | Hilcorp Energy Company only | Tom Oconnor (4400) | Refugio | 1 | 0 | 420K | Sep 2001 – Jan 2003 |
| Tom O'Connor 440 Sand Gas Unit G-2-186436 | Hilcorp Energy Company only | Tom Oconnor (4400) | Refugio | 1 | 0 | 834K | Sep 2001 – Dec 2007 |
| Heard, Claude E. et Al G-2-186442 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 26.7K | Sep 2001 – Jul 2003 |
| Heard-State Unit #2 G-2-186500 | CTR Petroleum, Inc. only | Refugio, New (2450) | Refugio | 1 | 0 | 1.19K | Nov 2001 – Nov 2001 |
| Tom O'Connor 4400 Sand Gas Unit G-2-186627 | Hilcorp Energy Company only | Tom Oconnor (4400) | Refugio | 1 | 0 | 611K | Oct 2001 – Apr 2004 |
| 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 |
| O'Connor, Dennis et al -L- G-2-194717 | T - C Oil Company only | Lake Pasture (E-261) | Refugio | 1 | 0 | 0 | — |
| O'Connor, Thomas 'B' G-2-195110 | Hilcorp Energy Company only | Mary Ellen Oconnor (7900) | Refugio | 1 | 0 | 268 | Feb 2003 – May 2003 |
| O'Connor G-2-195122 | T - C Oil Company only | Huff (1400) | Refugio | 1 | 0 | 0 | — |
| Bauer, Mary Claire et Vir G-2-195352 | Hilcorp Energy Company only | Tom Oconnor (5625 Sand) | Refugio | 1 | 0 | 98.1K | May 2003 – Mar 2005 |
| Williams, Maude et al "B" G-2-195374 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 9.68K | Apr 2003 – Nov 2003 |
| O'Connor, Thomas "A" G-2-195711 | Hilcorp Energy Company only | Tom Oconnor (5300, East) | Refugio | 1 | 0 | 2.42K | Apr 2003 – Sep 2003 |
| Heard, Mrs. Fannie V. W. G-2-195722 | Hilcorp Energy Company only | Tom Oconnor (3250) | Refugio | 1 | 0 | 270K | May 2003 – Dec 2005 |
| Bauer, Mary Claire et Vir G-2-195724 | Hilcorp Energy Company only | Tom Oconnor (5050, East) | Refugio | 1 | 0 | 31.7K | May 2003 – Jul 2006 |
| Lambert, M. F. G-2-195726 | Hilcorp Energy Company only | Tom Oconnor (5100, East) | Refugio | 1 | 0 | 21.9K | May 2003 – Jul 2003 |
| O'Connor, Thomas "A" G-2-195871 | Hilcorp Energy Company only | Tom O'Connor (5350 Sand) | Refugio | 1 | 0 | 190K | May 2003 – May 2010 |