| Neel G-4-199549 | Gold River, North (Olmos) | Webb | 1 | 0 | 32.7K | Dec 2003 – Aug 2006 |
| Wolff G-3-148812 | Giddings (Austin Chalk, Gas) | Washington | 1 | 0 | 920K | Dec 1993 – Aug 2006 |
| Briscoe "E" G-4-43484 | Gold River, North (Olmos) | — | 1 | 0 | 292K | Jan 1993 – Aug 2006 |
| Briscoe "E" G-4-50341 | Gold River, North (Olmos) | — | 1 | 0 | 66.4K | Jan 1993 – Aug 2006 |
| Briscoe "E" G-4-90023 | Gold River, North (Olmos) | Webb | 1 | 0 | 86.3K | Jan 1993 – Aug 2006 |
| Briscoe "E" G-4-91759 | Gold River, North (Olmos) | Webb | 1 | 0 | 68.3K | Jan 1993 – Aug 2006 |
| Briscoe E G-4-92235 | Gold River, North (Olmos) | Webb | 1 | 0 | 41.5K | Jan 1993 – Aug 2006 |
| Neel G-4-202597 | Gold River, North (Olmos) | Webb | 1 | 0 | 16.1K | Jun 2004 – Aug 2006 |
| Briscoe -A- G-1-78767 | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 0 | 25K | Jan 1993 – May 2006 |
| Brisco "J" G-4-202177 | Gold River, North (N-5) | Webb | 1 | 0 | 60.6K | May 2004 – May 2006 |
| Watson "State" G-4-202995 | Gold River, North (Olmos) | Webb | 1 | 0 | 5.45K | May 2004 – Apr 2006 |
| Rachal G-4-204684 | Gold River, North (Olmos) | Webb | 1 | 0 | 659 | Jul 2004 – Apr 2006 |
| Rachal Foundation G-4-202160 | Gold River, North (Olmos) | Webb | 1 | 0 | 0 | Jan 2004 – Apr 2006 |
| Rachal Foundation G-4-202164 | Gold River, North (Olmos) | Webb | 1 | 0 | 1.29K | Dec 2003 – Apr 2006 |
| Rachal Foundation G-4-202167 | Gold River, North (Olmos) | Webb | 1 | 0 | 3.89K | Feb 2004 – Apr 2006 |
| Rachal Foundation G-4-202347 | Gold River, North (Olmos) | Webb | 1 | 0 | 5.97K | Mar 2004 – Apr 2006 |
| Watson State G-4-203611 | Gold River, North (Olmos) | Webb | 1 | 0 | 15K | Jul 2004 – Apr 2006 |
| Briscoe "J" G-4-199543 | Gold River, North (N-3-A) | Webb | 1 | 0 | 26.2K | Oct 2003 – Mar 2006 |
| Brisco "J" O-4-13314 | Gold River, North (Olmos) | Webb | 1 | 0 | 0 | Feb 2005 – Mar 2006 |
| Watson "A" G-4-202154 | Gold River, North (Olmos) | Webb | 1 | 0 | 8.56K | Dec 2003 – Mar 2006 |
| Briscoe "E" G-4-189996 | Gold River, North (N-5) | Webb | 1 | 0 | 112K | May 2002 – Nov 2005 |
| Briscoe "Erc" G-4-197090 | Gold River, North (N-5) | Webb | 1 | 0 | 40.5K | May 2003 – Nov 2005 |
| Briscoe "J" G-4-195342 | Gold River, North (N-3-A) | Webb | 1 | 0 | 63.8K | Apr 2003 – Nov 2005 |
| Briscoe "K" State G-4-196266 | Gold River, North (N-5) | Webb | 1 | 0 | 16.7K | Jul 2003 – Nov 2005 |
| Briscoe "E" G-4-193258 | Gold River, North (N-5) | Webb | 1 | 0 | 105K | Feb 2003 – Sep 2005 |
| Parker, Ethel G-8-18301 | Sipe Springs (Marble Falls) | — | 1 | 0 | 18.2K | Jan 1993 – Sep 2005 |
| Anderson Brothers G-8-18289 | Sipe Springs (Marble Falls) | — | 1 | 0 | 6.64K | Jan 1993 – Aug 2005 |
| Clark, John D. G-8-18293 | Sipe Springs (Marble Falls) | — | 1 | 0 | 3.87K | Jan 1993 – Aug 2005 |
| Fullbright, W. C. G-8-35974 | X-Ray (Marble Falls) | Erath | 1 | 0 | 0 | Jan 1993 – Aug 2005 |
| Briscoe "E" G-4-194062 | Gold River, North (N-2) | Webb | 1 | 0 | 70.1K | Feb 2003 – Jun 2005 |
| Briscoe "K" State G-4-191410 | Gold River, North (N-8) | Webb | 1 | 0 | 45.8K | Sep 2002 – Dec 2004 |