| Pettus, W. W. Heirs G-2-166833 | Abraxas Petroleum Corporation | Muy Bueno (9800) | Goliad | 1 | 10.8K | 694K | Oct 1997 – Oct 1998 |
| Caprito 82 O-10-38005 | Abraxas Petroleum Corporation | R. O. C. (Wolfcamp) | Ward | 1 | 10.6K | 34K | Feb 2006 – Dec 2018 |
| Gisler A G-2-244341 | Abraxas Petroleum Corporation | Runge, E. (3RD Roeder) | Karnes | 1 | 9.59K | 414K | Mar 2008 – Feb 2010 |
| Caprito 82 G-10-184119 | Abraxas Petroleum Corporation | R.O.C. (Montoya) | Ward | 1 | 8.44K | 8.15M | May 2001 – Jan 2026 |
| Fidelity Trust "21" G-10-188767 | Abraxas Petroleum Corporation | Waha (Kinderhook) | Reeves | 1 | 8.13K | 4.92M | Dec 2001 – Apr 2026 |
| Rodgers G-10-154628 | Abraxas Petroleum Corporation | Rodgers (Atoka) | Ward | 1 | 7.88K | 1.75M | May 1995 – Mar 2020 |
| Mayo-Owen Gas Unit G-4-52142 | Abraxas Petroleum Corporation | White Point, East (Owens) | San Patricio | 1 | 7.86K | 224K | Jan 1993 – Jan 1998 |
| Batot B O-4-11795 | Abraxas Petroleum Corporation | Reymet (Frio 7500) | San Patricio | 1 | 7.67K | 21 | Jan 1993 – Aug 1997 |
| Welder, M. S. G-4-171847 | Abraxas Petroleum Corporation | Portilla (9000 Sand) | San Patricio | 1 | 7.62K | 633K | Dec 1998 – Aug 2008 |
| Caprito 98 G-10-190099 | Abraxas Petroleum Corporation | R.O.C. (Montoya) | Ward | 1 | 7.56K | 7.32M | May 2002 – Jan 2026 |
| 9406 JV-P Taurus G-10-154400 | Abraxas Petroleum Corporation | Taurus (Devonian) | Ward | 1 | 7.42K | 1.81M | May 1995 – Nov 2019 |
| JV-S 7211 Block 16 O-10-36749 | Abraxas Petroleum Corporation | Block 16 (Permo Penn) | Ward | 1 | 6.97K | 17.7K | Sep 2001 – Aug 2015 |
| Jackson G-10-88675 | Abraxas Petroleum Corporation | Taurus (Devonian) | Ward | 1 | 6.88K | 1.32M | Jan 1993 – Aug 2025 |
| Welder, Minnie S. G-4-145605 | Abraxas Petroleum Corporation | Portilla (9000 Sand) | San Patricio | 1 | 6.67K | 1.18M | Jun 1993 – Oct 2001 |
| Welder, Minnie S. G-4-157119 | Abraxas Petroleum Corporation | Portilla (Frio) | San Patricio | 1 | 6.36K | 274K | Dec 1995 – Sep 1996 |
| Howe Gas Unit #4 G-10-141021 | Abraxas Petroleum Corporation | Howe (Devonian) | Ward | 1 | 5.6K | 4.53M | Jan 1993 – Feb 2025 |
| Roc "83" G-10-201007 | Abraxas Petroleum Corporation | R.O.C. (Montoya) | Ward | 1 | 5.46K | 3.29M | Jun 2003 – Jan 2026 |
| Hall, G. T. 31 O-10-35622 | Abraxas Petroleum Corporation | Caveat Emptor (Cherry Canyon) | Ward | 1 | 5.41K | 699 | Nov 1997 – Mar 1998 |
| Ramsey G-2-166674 | Abraxas Petroleum Corporation | Muy Bueno (10904) | Goliad | 1 | 5.3K | 206K | Dec 1997 – May 2001 |
| Howe State G-10-141519 | Abraxas Petroleum Corporation | Howe (Devonian) | Ward | 1 | 4.72K | 4.85M | Jan 1993 – Apr 2026 |
| Welder, Minnie S. O-4-12476 | Abraxas Petroleum Corporation | Portilla (21) | San Patricio | 1 | 4.68K | 24.3K | Jul 1995 – Aug 1996 |
| Caprito 98 O-10-34956 | Abraxas Petroleum Corporation | Abraxas (Brushy Canyon) | Ward | 3 | 4.5K | 12.8K | Mar 1996 – Feb 1997 |
| Sadie "A" O-9-17887 | Abraxas Petroleum Corporation | Bloodworth (Canyon) | Coke | 1 | 4.29K | 26.1K | Nov 2011 – Aug 2015 |
| Welder, Minnie S. G-4-155188 | Abraxas Petroleum Corporation | Portilla (Frio) | San Patricio | 1 | 3.8K | 293K | Jul 1995 – Sep 2005 |
| University "EN" G-10-165207 | Abraxas Petroleum Corporation | R. O. C. (Atoka) | Ward | 1 | 3.59K | 145K | Jun 1997 – Jul 2011 |
| Green, Rufus J. O-10-37430 | Abraxas Petroleum Corporation | Sulphur Draw (Dean 8790) | Martin | 1 | 2.92K | 0 | Nov 2004 – Aug 2016 |
| McClure O-11-60344 | Abraxas Petroleum Corporation | Sharon Ridge (Clear Fork) | Scurry | 2 | 2.64K | 18 | Jan 1993 – May 2009 |
| Caprito 99 O-10-35618 | Abraxas Petroleum Corporation | R. O. C. (Atoka) | Ward | 1 | 2.44K | 29K | Nov 1997 – Feb 2007 |
| Caprito 99 O-10-34840 | Abraxas Petroleum Corporation | R.O.C. (Cherry Canyon) | Ward | 1 | 2.3K | 1.69K | Jan 1996 – Mar 1996 |
| Sadie "A" O-9-13088 | Abraxas Petroleum Corporation | Excel (Canyon "D" Sand) | Coke | 2 | 2.22K | 6.74K | Jan 1993 – Feb 1996 |
| Howe Gas Unit No. 2 G-10-62113 | Abraxas Petroleum Corporation | Howe (Devonian) | Ward | 1 | 2.22K | 2.47M | Jan 1993 – Jan 2012 |
| University "3" O-10-35152 | Abraxas Petroleum Corporation | Abraxas (Cherry Canyon) | Ward | 1 | 2.05K | 4.22K | Dec 1996 – Aug 2003 |
| Caprito 83 O-10-35205 | Abraxas Petroleum Corporation | Abraxas (Lower Bell Canyon) | Ward | 1 | 1.93K | 44.6K | Dec 1996 – Apr 1997 |
| University 1702 O-10-35821 | Abraxas Petroleum Corporation | Abraxas (Bone Spring) | Ward | 1 | 1.88K | 6.05K | Jun 1998 – May 2003 |
| Welder, Minnie S. G-4-152693 | Abraxas Petroleum Corporation | Portilla (Frio) | San Patricio | 1 | 1.81K | 173K | Dec 1994 – Apr 1996 |
| Sutherland G-2-231589 | Abraxas Petroleum Corporation | Caesar, South (9600) | Bee | 1 | 1.61K | 71.2K | Oct 2007 – Feb 2010 |
| Wink Airport G-10-128750 | Abraxas Petroleum Corporation | Apollo (Atoka) | Winkler | 1 | 1.42K | 832K | Jan 1993 – Jun 2024 |
| -32- Hall G-10-51883 | Abraxas Petroleum Corporation | Block 16 (Devonian) | Ward | 1 | 1.36K | 234K | Jan 1993 – Nov 2005 |
| Welder, Minnie S. G-4-155172 | Abraxas Petroleum Corporation | Portilla (19) | San Patricio | 1 | 1.29K | 484K | Aug 1995 – Nov 1998 |
| State Tract 686 O-4-10486 | Abraxas Petroleum Corporation | Nueces Bay, W. (8660) | Nueces | 1 | 1.27K | 30.2K | Jan 1993 – Oct 1993 |
| Howe Gas Unit No. 1 G-10-88396 | Abraxas Petroleum Corporation | Howe (Devonian) | Ward | 1 | 1.01K | 5.09M | Jan 1993 – Apr 2026 |
| University 1-3 G-10-52307 | Abraxas Petroleum Corporation | R. O. C. (Atoka) | Ward | 1 | 995 | 2.33M | Jan 1993 – Jul 2018 |
| University 17-2 G-10-113059 | Abraxas Petroleum Corporation | R. O. C. (Atoka) | Ward | 1 | 896 | 22.2K | Jan 1993 – Apr 1998 |
| Welder, Minnie S. G-4-154882 | Abraxas Petroleum Corporation | Portilla (19) | San Patricio | 1 | 888 | 331K | Jul 1995 – Mar 1998 |
| Caprito 99 G-10-225726 | Abraxas Petroleum Corporation | R. O. C. (Atoka) | Ward | 1 | 812 | 8.26K | Mar 2007 – Aug 2021 |
| Welder, Minnie S. G-4-162092 | Abraxas Petroleum Corporation | Portilla (Frio) | San Patricio | 1 | 793 | 45K | Dec 1996 – Dec 1997 |
| Williams Oil Unit O-10-37631 | Abraxas Petroleum Corporation | Why Knott (Clear Fork) | Howard | 1 | 763 | 0 | May 2005 – Oct 2007 |
| HNG Fee 57 O-10-36020 | Abraxas Petroleum Corporation | Taurus (Devonian) | Ward | 1 | 715 | 1.99K | May 1999 – Sep 1999 |
| Pyote Gas Unit #5 G-10-69783 | Abraxas Petroleum Corporation | Block 16 (Devonian) | Ward | 1 | 620 | 1.88M | Jan 1993 – May 2019 |
| JV-S 7211 Block 16 G-10-184055 | Abraxas Petroleum Corporation | Block 16, SW. (Permo-Penn) | Ward | 1 | 620 | 671 | Apr 2001 – Sep 2001 |