| Williams, Maude et al -A- G-2-171177 | Hilcorp Energy Company only | Tom Oconnor (4200) | Refugio | 1 | 0 | 127K | May 1998 – Mar 2006 |
| Swyka G-2-171538 | C & E Operating, Inc. only | Peponi Ranch (Frio 4800) | Refugio | 1 | 0 | 3.02M | Sep 1998 – Dec 2008 |
| O'Brien, J. M. 'A' G-2-171612 | Dewbre Petroleum Corporation only | Greta (L- 7 South) | Refugio | 1 | 0 | 87.5K | Dec 1998 – May 2002 |
| Shay 'C' G-2-171632 | Wiser Oil Company, The only | Phil Power (5050 Frio) | Refugio | 1 | 0 | 116 | Sep 1998 – Sep 1998 |
| Williams, Maude et al 'A' G-2-171638 | Hilcorp Energy Company only | Lake Pasture (E-235) | Refugio | 1 | 0 | 72.9K | Oct 1998 – Oct 2001 |
| Williams, Maude et al 'A' G-2-171736 | Hilcorp Energy Company only | Lake Pasture (M-318) | Refugio | 1 | 0 | 769K | Oct 1998 – Oct 2010 |
| O'Connor G-2-171764 | T - C Oil Company only | Huff (2200) | Refugio | 1 | 0 | 266K | Nov 1998 – May 2003 |
| Tract 72 G-2-171983 | Kebo Oil & Gas, Inc. only | Refugio-Fox (1675) | Refugio | 1 | 0 | 130K | Aug 1998 – Dec 2008 |
| BP G-2-172090 | T - C Oil Company only | Lake Pasture, West (2100) | Refugio | 1 | 0 | 2.87M | Dec 1998 – Apr 2011 |
| O'Connor, Thomas -D- G-2-172159 | T - C Oil Company only | Tom Oconnor (4200) | Refugio | 1 | 0 | 160K | Jan 1999 – Feb 2004 |
| Lambert, M. F. G-2-173178 | Devon Energy Production Co, L.P. only | Greta (4850) | Refugio | 1 | 0 | 27.3K | Apr 1999 – Aug 1999 |
| Williams, Maude et al 'A' G-2-173215 | Quintana Pet. Corp. only | Lake Pasture (L-200) | Refugio | 1 | 0 | 9.47K | Mar 1999 – Jan 2000 |
| Heard, Claude E. G-2-173267 | Quintana Pet. Corp. only | Tom O'Connor (4925) | Refugio | 1 | 0 | 2.99K | Apr 1999 – Jun 1999 |
| Lambert, M. F. G-2-173335 | Hilcorp Energy Company only | Refugio-Fox (2480) | Refugio | 1 | 0 | 70.9K | Apr 1999 – May 2024 |
| Wood, L. Est. G-2-173631 | Cummins & Walker Oil Co., Inc. only | Murphy L. (3400 Miocene) | Refugio | 1 | 0 | 133K | Mar 1999 – Jun 2000 |
| Heard, Mrs. Fannie V. W. G-2-173758 | Hilcorp Energy Company only | Tom Oconnor (4050) | Refugio | 1 | 0 | 21.6K | May 1999 – May 1999 |
| Reily, Annie et Vir G-2-173772 | Hilcorp Energy Company only | Tom Oconnor (4050) | Refugio | 1 | 0 | 655K | May 1999 – Nov 1999 |
| Heard, Mrs. Fannie V. W. G-2-173778 | Quintana Pet. Corp. only | Tom Oconnor (4050) | Refugio | 1 | 0 | 1.19M | May 1999 – Dec 1999 |
| Heard, Clement G-2-173793 | Quintana Pet. Corp. only | Tom Oconnor (4050) | Refugio | 1 | 0 | 32.4K | May 1999 – May 1999 |
| O'Connor, Thomas 'C' G-2-173800 | Quintana Pet. Corp. only | Tom Oconnor (4050) | Refugio | 1 | 0 | 466K | May 1999 – Oct 1999 |
| O'Connor, Thomas 'C' G-2-173802 | Hilcorp Energy Company only | Tom Oconnor | Refugio | 1 | 0 | 23.5K | May 1999 – Feb 2002 |
| O'Connor G-2-174135 | T - C Oil Company only | Huff (3500) | Refugio | 1 | 0 | 217K | May 1999 – Mar 2005 |
| Heard, Mrs. Fannie V. W. G-2-174145 | Hilcorp Energy Company only | Tom Oconnor (4050) | Refugio | 1 | 0 | 386K | May 1999 – Aug 1999 |
| Heard, Clement G-2-174147 | Hilcorp Energy Company only | Tom Oconnor (4050) | Refugio | 1 | 0 | 1.02M | May 1999 – Jan 2000 |
| Heard, Mrs. Fannie V. W. G-2-174395 | Hilcorp Energy Company only | Tom Oconnor (5450 Sand) | Refugio | 1 | 0 | 0 | — |
| Williams, Maude et al 'A' G-2-174396 | Hilcorp Energy Company only | Lake Pasture (E-244) | Refugio | 1 | 0 | 108K | Jul 1999 – Jun 2002 |
| Williams, Maude et al 'A' G-2-174397 | Hilcorp Energy Company only | Lake Pasture (E-235) | Refugio | 1 | 0 | 46.7K | Jul 1999 – Feb 2000 |
| O'Brien, J. M. a (AM) G-2-174410 | Chilton Energy only | Greta (O-3) | Refugio | 1 | 0 | 3.02K | Jun 1999 – Jul 1999 |
| Schmidt G-2-174451 | C & E Operating, Inc. only | Telarana (Frio 4400) | Refugio | 1 | 0 | 6.94K | Jul 1999 – Apr 2000 |
| Heard, Mrs. Fannie V. W. G-2-174779 | Hilcorp Energy Company only | Tom Oconnor (4050) | Refugio | 1 | 0 | 819K | Aug 1999 – Feb 2001 |
| Schirmer "C" Gas Unit G-2-174797 | Christopher Oil & Gas Inc only | Bonnie View (3500-A) | Refugio | 1 | 0 | 228K | Jul 1999 – Nov 2002 |
| O'Connor, Thomas 'C' G-2-174799 | Hilcorp Energy Company only | Tom O'CONNOR(4900) | Refugio | 1 | 0 | 37.4K | Aug 1999 – Nov 2002 |
| O'Connor, Thomas 'C' G-2-174800 | Hilcorp Energy Company only | Tom Oconnor (5450 Sand) | Refugio | 1 | 0 | 85.3K | Aug 1999 – Jan 2001 |
| Bauer, Mary Claire et Vir G-2-175023 | Hilcorp Energy Company only | Tom O'Connor (4910) | Refugio | 1 | 0 | 140K | Sep 1999 – Mar 2002 |
| O'Connor, Thomas 'C' G-2-175026 | Hilcorp Energy Company only | Tom Oconnor (4200) | Refugio | 1 | 0 | 243K | Sep 1999 – Dec 2006 |
| Wood, L. Est "C" G-2-175039 | Momentum Energy Corporation only | Woodsboro, West (3500 Miocene) | Refugio | 1 | 0 | 199K | Sep 1999 – May 2001 |
| O'Brien, J. M. 'A' G-2-175296 | Dewbre Petroleum Corporation only | Greta (C-5) | Refugio | 1 | 0 | 309K | Oct 1999 – Oct 2011 |
| O'Brien, J. M. -A- G-2-175300 | Greta Operating Company LLC only | Greta (C-1) | Refugio | 1 | 0 | 219K | Aug 1999 – Apr 2026 |
| O'Connor, Thomas 'B' G-2-175309 | Hilcorp Energy Company only | Mary Ellen Oconnor (H-117) | Refugio | 1 | 0 | 6.35K | Oct 1999 – Apr 2000 |
| Rooke, F. B. 5 G-2-175377 | C & E Operating, Inc. only | Wildcat | Refugio | 1 | 0 | 0 | — |
| Heard-Tex G-2-175379 | Greta Operating Company LLC only | Greta (O-1) | Refugio | 1 | 0 | 61.1K | Sep 1999 – Feb 2017 |
| O'Connor, Mary Ellen G-2-175425 | Emerald Oil & Gas LC only | Mary Ellen Oconnor (D-1) | Refugio | 1 | 0 | 208K | Aug 1995 – Dec 2001 |
| O'Connor "E" G-2-175426 | T - C Oil Company only | Huff (3400) | Refugio | 1 | 0 | 4.76K | Oct 1999 – Jan 2000 |
| Bauer, Mary Claire et Vir G-2-175430 | Quintana Pet. Corp. only | Tom Oconnor (6600) | Refugio | 1 | 0 | 7.86K | Oct 1999 – Nov 1999 |
| La Rosa Unit G-2-175631 | Laroco LLP only | La Rosa (6750, Above, Gas) | Refugio | 1 | 0 | 132K | Dec 1999 – Sep 2001 |
| O'Connor -H- G-2-175636 | T - C Oil Company only | Huff (2400) | Refugio | 1 | 0 | 125K | Oct 1999 – Dec 2004 |
| Wood, L. Est G-2-175898 | Cummins & Walker Oil Co., Inc. only | Woodsboro (3400) | Refugio | 1 | 0 | 18.9K | Oct 1999 – Nov 1999 |
| O'Brien, J. M. a (AM) G-2-175940 | Acock Engineering & Assoc., Inc. only | Greta (O-1) | Refugio | 1 | 0 | 18.4K | Nov 1999 – Mar 2000 |
| Heard, Fannie V. W. Mrs. G-2-175959 | Hilcorp Energy Company only | Tom Oconnor (5450 Sand) | Refugio | 1 | 0 | 393K | Nov 1999 – Sep 2011 |
| Gant-Stone G-2-176013 | Anderson Oil Ltd. only | McFaddin (2600) | Refugio | 1 | 0 | 182K | Nov 1999 – May 2001 |