| State Tract 38 #380742-057-31801 | Neumin Production Company | CalhounLavaca Bay (F-49) | PluggedOil | 13,500 | Nov 18, 2014 | 1 | Sep 2016 |
| Quail Ridge/State Unit #390642-057-31787 | Neumin Production Company | CalhounLavaca Bay (F-46) | PluggedGas | 13,000 | Mar 7, 2014 | 2 | May 2018 |
| Gallinipper Unit #280142-057-31706 | Neumin Production Company | CalhounLavaca Bay (F-39) | PluggedGas | 13,000 | Oct 31, 2011 | 3 | Aug 2017 |
| Quail Ridge/State Unit #390542-057-31781 | Neumin Production Company | CalhounLavaca Bay (F-46) | PluggedGas | 13,500 | Jul 22, 2011 | 1 | Jun 2016 |
| Gallinipper Unit #370442-057-31744 | Neumin Production Company | CalhounLavaca Bay (F-45) | PluggedGas | 13,200 | Feb 6, 2009 | 2 | Aug 2015 |
| Gallinipper Unit #360242-057-31718 | Neumin Production Company | CalhounLavaca Bay (F-43) | PluggedGas | 13,000 | Dec 11, 2008 | 3 | Aug 2017 |
| Clinton, E. R. Estate #142-203-34282 | Neumin Production Company | Harrison | Not on schedule | 12,000 | Jan 30, 2008 | 1 | — |
| State Tract 34 #142-057-31764 | Neumin Production Company | Calhoun | Not on schedule | 16,000 | Jan 18, 2008 | 1 | — |
| Le Tourneau #142-183-31965 | Neumin Production Company | GreggWillow Springs (Cotton Valley) | PluggedGas | 11,500 | Aug 30, 2007 | 2 | Aug 2013 |
| Dickson J. M. #342-183-31962 | Neumin Production Company | GreggWillow Springs (Cotton Valley) | PluggedGas | 11,250 | Aug 23, 2007 | 1 | Jun 2014 |
| State Tract 11 #142-057-31743 | Neumin Production Company | Calhoun | Not on schedule | 8,750 | Jul 3, 2007 | 1 | — |
| Dickson J. M. #142-183-31943 | Neumin Production Company | GreggWillow Springs (Cotton Valley) | PluggedGas | 11,250 | Jun 22, 2007 | 2 | Jul 2015 |
| State Tract 10 #142-057-31737 | Neumin Production Company | CalhounPort Lavaca East (Marg.) | PluggedGas | 10,300 | Apr 3, 2007 | 3 | Dec 2011 |
| Gallinipper Unit #360542-057-31735 | Neumin Production Company | CalhounLavaca Bay (F-40-B) | PluggedGas | 13,500 | Mar 1, 2007 | 2 | Aug 2017 |
| Gallinipper Unit #360442-057-31726 | Neumin Production Company | CalhounLavaca Bay (F-46) | PluggedGas | 13,000 | Nov 16, 2006 | 2 | Aug 2017 |
| Gallinipper Unit #360342-057-31721 | Neumin Production Company | CalhounLavaca Bay (F-44) | PluggedGas | 13,000 | Mar 24, 2006 | 3 | Aug 2017 |
| Kubecka #142-239-33363 | Neumin Production Company | JacksonFrancitas South (10 100) | PluggedGas | 11,000 | Feb 28, 2006 | 2 | Jan 2013 |
| Gallinipper Unit #270442-057-31705 | Neumin Production Company | CalhounLavaca Bay (F-37) | PluggedGas | 13,000 | Sep 6, 2005 | 3 | Jul 2008 |
| Black Stone #142-039-32902 | Neumin Production Company | BrazoriaMartin Ranch (Frio 14 600) | PluggedGas | 15,300 | May 31, 2005 | 2 | Mar 2006 |
| Ammann #142-089-32404 | Neumin Production Company | ColoradoNada (Frio 4100) | PluggedGas | 4,700 | Feb 23, 2005 | 1 | Jul 2012 |
| Dean #142-469-33859 | Neumin Production Company | VictoriaWildcat | PluggedGas | 6,000 | Aug 6, 2004 | 2 | Mar 2005 |
| Shelton #142-391-32618 | Neumin Production Company | RefugioRefugio-Fox (5500) | PluggedGas | 6,000 | Jul 28, 2004 | 1 | Oct 2009 |
| Peterson Burge #142-123-31981 | Neumin Production Company | De WittHenze (Wilcox Lower) | PluggedGas | 15,000 | Jun 29, 2004 | 3 | Jun 2013 |
| Fucik #142-481-34596 | Neumin Production Company | WhartonMenefee (Frio 5200) | PluggedGas | 6,500 | Dec 15, 2003 | 1 | Jun 2008 |
| Spahr #142-201-32666 | Neumin Production Company | Harris | Plugged | 6,200 | Aug 8, 2003 | 3 | — |
| Appling Point GU a #142-239-33153 | Neumin Production Company | JacksonAppling (Seg 3 Kopnicky Upper) | PluggedGas | 13,500 | Aug 4, 2003 | 2 | Jul 2006 |
| Frey Trust Gas Unit #242-201-32664 | Neumin Production Company | HarrisHinkle (Cockfield 5800) | PluggedGas | 6,500 | Jun 23, 2003 | 2 | Feb 2005 |
| State Tract 79 #342-057-31644 | Neumin Production Company | CalhounZoller East (Frio -G-) | PluggedOil | 9,500 | Apr 23, 2003 | 2 | Mar 2006 |
| Frey Trust Gas Unit #142-201-32657 | Neumin Production Company | HarrisHinkle (Cockfield 5800) | PluggedGas | 6,100 | Apr 21, 2003 | 2 | Jun 2005 |
| State Tract 90 #642-057-31538 | Neumin Production Company | CalhounPanther Reef SW. (Frio E-4) | PluggedGas | 10,750 | Nov 25, 2002 | 3 | Sep 2007 |
| State Tract 89 #142-057-31629 | Neumin Production Company | CalhounPanther Reef (Frio Cons.) | PluggedGas | 10,000 | Jul 2, 2002 | 1 | Jan 2013 |
| State Tract 64 #142-057-31620 | Neumin Production Company | CalhounMcDowell Point E. (Frio Q) | PluggedOil | 11,000 | Nov 14, 2001 | 1 | Feb 2006 |
| Stovall #442-089-32185 | Neumin Production Company | ColoradoNada (Frio 3970) | PluggedGas | 5,000 | Jul 3, 2001 | 2 | Jun 2012 |
| Williams #142-391-32391 | Neumin Production Company | RefugioBert Harry (Lower Sinton) | PluggedGas | 6,500 | Apr 23, 2001 | 3 | Sep 2001 |
| Smith #242-469-33576 | Neumin Production Company | Victoria | Plugged | 5,900 | Mar 29, 2001 | 2 | — |
| New J. K. Estate #142-175-32998 | Neumin Production Company | GoliadBerclair (2200 Frio) | PluggedOil | 14,500 | Jan 12, 2001 | 2 | — |
| Aluminum Co. of America (Fee) #1142-057-31370 | Neumin Production Company | CalhounLavaca Bay (F-40-B) | PluggedGas | 14,000 | Nov 20, 2000 | 5 | Mar 2011 |
| Jacks et al #342-391-32387 | Neumin Production Company | RefugioBig Jim (First Sinton) | PluggedGas | 7,000 | Oct 18, 2000 | 1 | Nov 2004 |
| West #142-391-32364 | Neumin Production Company | RefugioProtestant (Sinton 4700 Sand) | PluggedGas | 6,000 | Jun 12, 2000 | 1 | Feb 2004 |
| Jacks et al #142-391-32317 | Neumin Production Company | RefugioBig Jim (Third Sinton) | PluggedGas | 7,500 | Nov 15, 1999 | 1 | Feb 2004 |
| State Tract 26 #342-057-01311 | Neumin Production Company | CalhounLavaca Bay (F-39) | PluggedGas | 11,500 | Sep 30, 1999 | 2 | Jan 2018 |
| State Tract 26 #542-057-31242 | Neumin Production Company | CalhounLavaca Bay (F-36) | PluggedGas | 11,500 | Aug 6, 1999 | 2 | Nov 2008 |
| Dow E #542-039-32674 | Neumin Production Company | BrazoriaStratton Ridge | PluggedOil | 6,000 | Jun 18, 1999 | 1 | — |
| Brown #242-089-32067 | Neumin Production Company | ColoradoNada (Catahoula) | PluggedGas | 11,750 | Apr 27, 1999 | 3 | Jul 2006 |
| Stovall #342-089-32111 | Neumin Production Company | ColoradoNada S.E. (4120) | PluggedGas | 5,000 | Dec 30, 1998 | 1 | Jan 2003 |
| State Tract 125 #1A42-057-31593 | Neumin Production Company | CalhounPanther Reef (Frio E-4) | PluggedGas | 3,700 | Oct 6, 1998 | 1 | — |
| Dow #C342-039-32660 | Neumin Production Company | Brazoria | Not on schedule | 8,000 | Sep 22, 1998 | 1 | — |
| Welder -G- #4842-391-32225 | Neumin Production Company | RefugioPhil Power (5200-B) | PluggedGas | 6,600 | Feb 17, 1998 | 2 | Feb 1999 |
| State Tract 38 #642-057-31523 | Neumin Production Company | CalhounLavaca Bay (F-34) | PluggedGas | 13,500 | Sep 25, 1997 | 2 | Nov 2017 |
| State Tract 86 #142-057-31559 | Neumin Production Company | CalhounPanther Reef SW. (Frio E-4) | PluggedGas | 10,750 | May 9, 1997 | 2 | Apr 2017 |