| Stks Unit #0142-355-33932 | Cummins & Walker Oil Co. Inc. | NuecesKnolle (3980 Frio) | PluggedGas | 6,000 | Dec 29, 2008 | 1 | — |
| DHB #4R42-469-33682 | Cummins & Walker Oil Co. Inc. | VictoriaMcFaddin NW. (4510) | PluggedGas | 6,300 | Oct 11, 2008 | 3 | Mar 2013 |
| WSB #142-249-32532 | Cummins & Walker Oil Co., Inc. | Jim Wells | Not on schedule | 9,000 | Jul 17, 2008 | 1 | — |
| Welder Minnie S. Est. #942-469-33445 | Cummins & Walker Oil Co. Inc. | VictoriaMarcado Creek (4675) | PluggedGas | 5,500 | Nov 20, 2006 | 4 | Dec 2007 |
| O Brien-Harkins #242-391-32669 | Cummins & Walker Oil Co. Inc. | RefugioRefugio-Fox (1600) | PluggedGas | 6,750 | Sep 22, 2006 | 3 | Jun 2010 |
| Cliburn-Welder #342-469-33677 | Cummins & Walker Oil Co. Inc. | VictoriaMarcado Creek West (2900) | PluggedGas | 5,450 | Jun 16, 2006 | 4 | Aug 2006 |
| O Connor M. V. Est. #142-391-32489 | Cummins & Walker Oil Co. Inc. | RefugioRefugio-Fox (6100) | PluggedGas | 6,600 | Feb 27, 2006 | 3 | Apr 2006 |
| Welder E. H. E #3942-409-32819 | Cummins & Walker Oil Co. Inc. | San PatricioPlymouth (6775) | PluggedOil | 8,050 | Feb 1, 2006 | 1 | Jul 2006 |
| DHB #742-469-33943 | Cummins & Walker Oil Co. Inc. | VictoriaMcFaddin NW. (6050) | PluggedGas | 6,300 | Nov 1, 2005 | 1 | Apr 2013 |
| Welder E.H. E #3842-409-32804 | Cummins & Walker Oil Co. Inc. | San PatricioPlymouth (I-25) | PluggedGas | 8,050 | Aug 3, 2005 | 1 | Oct 2006 |
| Mc Can C. K. D #1R42-469-33116 | Cummins & Walker Oil Co. Inc. | VictoriaSalem (1360) | PluggedGas | 4,234 | Jul 12, 2004 | 3 | Aug 2005 |
| Wood L. Est. #242-391-32263 | Cummins & Walker Oil Co. Inc. | RefugioWoodsboro (5600 Sand) | PluggedOil | 6,010 | Jul 2, 2004 | 3 | Dec 2019 |
| Welder E. H. #e 37R42-409-32686 | Cummins & Walker Oil Co. Inc. | San PatricioRooke (7500) | PluggedOil | 8,225 | Jun 30, 2004 | 3 | Sep 2005 |
| Holzmark #742-025-33277 | Cummins & Walker Oil Co. Inc. | BeeWildcat | PluggedGas | 4,400 | Jun 15, 2004 | 1 | — |
| O Connor M. V Est #542-391-32559 | Cummins & Walker Oil Co. Inc. | RefugioRefugio-Fox (6700) | PluggedGas | 7,200 | Jan 15, 2004 | 2 | Mar 2007 |
| O Connor M V Est #442-391-32549 | Cummins & Walker Oil Co. Inc. | RefugioRefugio-Fox (5500) | PluggedGas | 6,150 | Nov 13, 2003 | 2 | Jun 2010 |
| Witte #142-469-33767 | Cummins & Walker Oil Co. Inc. | VictoriaEdwards Ranch (5000) | PluggedGas | 5,700 | Sep 25, 2003 | 1 | Aug 2005 |
| Shelton N #742-391-32532 | Cummins & Walker Oil Co. Inc. | RefugioRefugio-Fox (6300 A) | PluggedGas | 6,600 | Sep 10, 2003 | 2 | Apr 2004 |
| Shelton N #642-391-32530 | Cummins & Walker Oil Co. Inc. | RefugioHynes Ranch (2550) | PluggedGas | 7,000 | Sep 4, 2003 | 2 | May 2004 |
| Scanio, M. #742-391-32498 | Cummins & Walker Oil Co., Inc. | Refugio | Not on schedule | 4,000 | Feb 24, 2003 | 1 | — |
| O Brien-Harkins #142-391-32500 | Cummins & Walker Oil Co. Inc. | RefugioRefugio-Fox (5000) | PluggedGas | 6,650 | Feb 24, 2003 | 2 | Oct 2007 |
| Shelton N. #342-391-32495 | Cummins & Walker Oil Co. Inc. | RefugioHynes Ranch (F- 8) | PluggedGas | 6,500 | Jan 10, 2003 | 2 | Dec 2003 |
| Welder M S Est #1842-469-33665 | Cummins & Walker Oil Co. Inc. | VictoriaPatricia (2800 Catahoula) | PluggedGas | 3,600 | Dec 10, 2002 | 1 | Jan 2006 |
| Shelton N. #142-391-32480 | Cummins & Walker Oil Co. Inc. | RefugioHynes Ranch (F- 4) | PluggedGas | 3,000 | Aug 5, 2002 | 1 | Nov 2005 |
| Shelton N. #242-391-32481 | Cummins & Walker Oil Co. Inc. | RefugioRefugio-Fox (5200) | PluggedGas | 6,000 | Aug 5, 2002 | 2 | Jul 2004 |
| Williams R. S. #142-469-31166 | Cummins & Walker Oil Co. Inc. | VictoriaFlying -M- (Frio 5000) | PluggedGas | 6,020 | May 6, 2002 | 2 | Dec 2005 |
| Welder E. H. #e 3442-409-32629 | Cummins & Walker Oil Co. Inc. | San PatricioPlymouth (7000) | PluggedOil | 8,512 | Feb 12, 2002 | 4 | Mar 2003 |
| Wood L. Est. #1242-391-32456 | Cummins & Walker Oil Co. Inc. | RefugioWoodsboro West (3400) | PluggedGas | 7,500 | Jan 10, 2002 | 2 | May 2002 |
| Wood L. Est. #842-391-32395 | Cummins & Walker Oil Co. Inc. | RefugioWoodsboro (FS-88) | PluggedOil | 6,810 | Sep 13, 2001 | 3 | Feb 2012 |
| Welder M. S. Est. #842-469-33441 | Cummins & Walker Oil Co. Inc. | VictoriaNomeco (4360 Frio) | PluggedGas | 5,800 | Aug 31, 2001 | 2 | — |
| Welder-Cliburn #242-469-33614 | Cummins & Walker Oil Co. Inc. | VictoriaKathryn W. Allen (5140 Frio) | PluggedGas | 5,675 | Aug 21, 2001 | 2 | Sep 2003 |
| Welder, M. S. Est. #1742-469-33609 | Cummins & Walker Oil Co., Inc. | Victoria | Not on schedule | 5,600 | Aug 13, 2001 | 1 | — |
| Braman, D. H. #242-469-33584 | Cummins & Walker Oil Co., Inc. | Victoria | Not on schedule | 6,600 | Jun 18, 2001 | 1 | — |
| Fox W. J. #142-391-32328 | Cummins & Walker Oil Co. Inc. | RefugioRefugio-Fox (3940) | PluggedGas | 6,569 | Oct 11, 2000 | 3 | Jul 2001 |
| Shinn George #142-025-33020 | Cummins & Walker Oil Co. Inc. | BeeTuleta | PluggedOil | 4,350 | Jun 16, 2000 | 1 | Aug 2004 |
| Jowers F. #142-391-32362 | Cummins & Walker Oil Co. Inc. | RefugioAgnes Barber S. (Frio 5250) | PluggedGas | 6,200 | Jun 9, 2000 | 2 | Nov 2001 |
| Barber Ranch #142-391-32353 | Cummins & Walker Oil Co., Inc. | Refugio | Not on schedule | 6,000 | May 30, 2000 | 1 | — |
| Baptist Foundation #342-469-33437 | Cummins & Walker Oil Co., Inc. | Victoria | Not on schedule | 6,000 | Oct 8, 1999 | 1 | — |
| Baptist Foundation #242-469-33438 | Cummins & Walker Oil Co., Inc. | Victoria | Not on schedule | 4,900 | Oct 8, 1999 | 1 | — |
| Wood L. Est #742-391-32305 | Cummins & Walker Oil Co. Inc. | RefugioWoodsboro (3400) | PluggedGas | 3,750 | Sep 20, 1999 | 2 | Nov 1999 |
| Wood L. Est. #342-391-32264 | Cummins & Walker Oil Co. Inc. | RefugioMurphy L. (3400 Miocene) | PluggedGas | 3,800 | Jan 4, 1999 | 1 | Jun 2000 |
| Welder M. S. Est. #342-469-33366 | Cummins & Walker Oil Co. Inc. | VictoriaLonnie Glasscock (Oakville Lo.) | PluggedGas | 2,800 | Sep 22, 1998 | 2 | Jan 2000 |
| Goebel Dalhart #142-123-31841 | Cummins & Walker Oil Co. Inc. | De WittWildcat | PluggedGas | 5,400 | Aug 25, 1998 | 1 | — |
| Welder, Minnie S. Estate #142-469-33295 | Cummins & Walker Oil Co., Inc. | Victoria | Not on schedule | 5,500 | Nov 6, 1997 | 1 | — |
| Welder #440142-409-32434 | Cummins & Walker Oil Co. Inc. | San PatricioRooke (6100) | PluggedGas | 7,400 | Sep 4, 1997 | 3 | Jun 2003 |
| Holzmark #242-025-32755 | Cummins & Walker Oil Co. Inc. | BeeHolzmark (Luling) | PluggedOil | 8,200 | Feb 1, 1996 | 1 | Feb 1998 |
| Rhodes #142-025-32706 | Cummins & Walker Oil Co. Inc. | BeeHolzmark E (2770) | PluggedGas | 2,950 | Jun 29, 1995 | 2 | May 1998 |
| Welder Estate #642-469-33080 | Cummins & Walker Oil Co. Inc. | VictoriaWelder Ranch (2125) | PluggedOil | 2,250 | Mar 7, 1995 | 2 | Aug 1995 |
| Welder Estate #142-469-32687 | Cummins & Walker Oil Co. Inc. | VictoriaWelder Ranch (1950) | PluggedGas | 2,500 | Feb 21, 1995 | 3 | Nov 1993 |
| Voss Alvin #142-025-00727 | Cummins & Walker Oil Co. Inc. | BeeHolzmark | PluggedGas | 4,185 | Sep 7, 1994 | 1 | Jul 1998 |