| Vickers #142-355-34159 | Cimarron Engineering LLC | Nueces, TXCotton (Frio 7450) | PluggedOil | 7,600 | Mar 8, 2018 | — | — |
| Labbe Heirs #142-131-39613 | Cimarron Engineering LLC | Duval, TXLabbe | PluggedOil | 3,000 | Jan 30, 2018 | — | — |
| Herrmann #142-355-34154 | Cimarron Engineering LLC | Nueces, TXAgua Dulce (Lockhart) | PluggedGas | 7,500 | Dec 6, 2017 | — | — |
| Orange Grove Farms #142-355-34139 | Cimarron Engineering LLC | Nueces, TXRichard King (Frio Cons.) | PluggedOil | 6,300 | May 10, 2017 | — | — |
| Dos Pesos Ranch #142-297-35861 | Cimarron Engineering LLC | Live Oak, TXRamirena (4900) | PluggedGas | 5,300 | Jan 30, 2017 | — | — |
| Acl #142-249-32632 | Cimarron Engineering LLC | Jim Wells, TXAlice North (5150) | PluggedOil | 5,600 | Dec 29, 2016 | — | — |
| Gloria Lopez #242-047-32523 | Cimarron Engineering LLC | Brooks, TXLopez Ranch (Consolidated) | ActiveGas | 13,800 | Dec 7, 2016 | — | — |
| Mattie Sue Cardwell #142-355-34126 | Cimarron Engineering LLC | Nueces, TXCalallen (5400) | PluggedGas | 7,500 | Jun 7, 2016 | — | — |
| Gloria Lopez #142-047-32518 | Cimarron Engineering LLC | Brooks, TXLopez Ranch (Consolidated) | ActiveGas | 13,800 | Oct 12, 2015 | — | — |
| Rosa Saenz #142-249-32599 | Cimarron Engineering LLC | Jim Wells, TXAlice N. (Stillwell Sand) | PluggedGas | 5,350 | Oct 7, 2014 | — | — |
| Means #142-123-33810 | Cimarron Engineering LLC | De Witt, TXBalfour (Yegua 5000) | PluggedGas | 5,550 | Oct 6, 2014 | — | — |
| Westhoff & McCrory #142-239-33644 | Cimarron Engineering LLC | Jackson, TXMauritz West (5400) | ActiveOil | 6,000 | Oct 6, 2014 | — | — |
| Geffert-Hoefling #142-123-33655 | Cimarron Engineering LLC | De Witt, TXHolly (Frio 3050) | PluggedGas | 5,000 | Jul 11, 2014 | — | — |
| Parsell Ranch #153142-393-32589 | Cimarron Engineering LLC | Roberts, TXSt. Clair (Granite Wash) | ActiveOil | 9,700 | Apr 7, 2014 | — | — |
| Bazan #142-131-38489 | Cimarron Engineering LLC | Duval, TXOrcones (Frio-Vksbg Cons.) | Shut inOil | 7,025 | Mar 3, 2014 | — | — |
| Elliott Farms #142-357-33370 | Cimarron Engineering LLC | Ochiltree, TXFarnsworth-Conner (Kansas City) | ActiveOil | 7,100 | Feb 13, 2014 | — | — |
| Thamm Trust #142-123-32912 | Cimarron Engineering LLC | De Witt, TXArneckeville (Yegua 4910) | PluggedOil | 5,500 | Jan 29, 2014 | — | — |
| Bitterly #142-123-33301 | Cimarron Engineering LLC | De Witt, TXArneckeville (Yegua 4870 E) | PluggedOil | 5,500 | Sep 16, 2013 | — | — |
| Hartman #142-123-32776 | Cimarron Engineering LLC | De Witt, TXArneckeville (Yegua 4910) | ActiveOil | 5,500 | Apr 27, 2012 | — | — |
| Mary Alice Jones #142-297-34857 | Cimarron Engineering LLC | Live Oak, TXMurry S Magic (Yegua) | PluggedGas | 5,950 | Nov 16, 2009 | — | — |
| McNeil #242-297-34420 | Cimarron Engineering LLC | Live Oak, TXJackson Ranch (Yegua 5400) | PluggedOil | 5,500 | Mar 17, 2009 | — | — |
| Hobbs B. J. #642-285-33522 | Cimarron Engineering LLC | Lavaca, TXProvident City (Yegua) | Temporarily abandonedGas | 6,100 | Sep 19, 2008 | — | — |
| Lehman #a 1042-355-33911 | Cimarron Engineering LLC | Nueces, TXLondon Gin (Mass. Catahoula) | PluggedOil | 8,000 | Apr 28, 2008 | — | — |
| Parham #2A42-489-31189 | Cimarron Engineering LLC | Willacy, TXKing Ranch W. (Miocene 6000) | PluggedOil | 6,100 | Nov 7, 2007 | — | — |
| Granberry #142-297-34689 | Cimarron Engineering LLC | Live Oak, TXPaisano Creek (2ND Yegua) | ActiveOil | 6,020 | Jun 1, 2006 | — | — |
| Parham #1A42-489-31150 | Cimarron Engineering LLC | Willacy, TXWillamar (4500) | PluggedGas | 6,500 | May 24, 2006 | — | — |
| Lehman #b 642-355-33733 | Cimarron Engineering LLC | Nueces, TXLondon West (Frio-Horne) | PluggedOil | 7,200 | May 27, 2005 | — | — |
| Lehman W.F.L. #642-355-31767 | Cimarron Engineering LLC | Nueces, TXMobil-David (Anderson Seg. -R-) | Temporarily abandonedGas | 11,500 | Mar 15, 2005 | — | — |
| De Perez Guadalupe M. #142-249-01387 | Cimarron Engineering LLC | Jim Wells, TXAlice North (4800) | PluggedGas | 4,850 | Mar 11, 2005 | — | — |
| Atkinson #142-311-33789 | Cimarron Engineering LLC | McMullen, TXLoma Alta | PluggedOil | 8,000 | Feb 18, 2005 | — | — |
| Hobbs B. J. #1 U42-285-31167 | Cimarron Engineering LLC | Lavaca, TXSpeaks N. (Frio Upper) | ActiveGas | 6,000 | Feb 12, 2004 | — | — |
| Hobbs Billy Joe #242-285-32350 | Cimarron Engineering LLC | Lavaca, TXSpeaks ( 1800) | Temporarily abandonedGas | 2,500 | Feb 12, 2004 | — | — |
| Davidson Mary #242-297-34363 | Cimarron Engineering LLC | Live Oak, TXRamirena SW. (Yegua #2 Sd.) | PluggedOil | 5,500 | Jan 5, 2004 | — | — |
| Holbrook Ellen #142-291-32461 | Cimarron Engineering LLC | Liberty, TXRaywood (E. Cook Mtn. 11 500) | Temporarily abandonedGas | 12,340 | Dec 9, 2002 | — | — |
| Reynolds Mary A. #4042-297-33565 | Cimarron Engineering LLC | Live Oak, TXRamerina SW. (D-80) | Temporarily abandonedGas | 5,860 | Dec 12, 2000 | — | — |
| Reynolds Mary A. #2542-297-02384 | Cimarron Engineering LLC | Live Oak, TXRamirena Sw(yegua 4 Seg. C) | Temporarily abandonedGas | 5,850 | Dec 11, 2000 | — | — |
| Reynolds Mary A. #2142-297-02359 | Cimarron Engineering LLC | Live Oak, TXRamirena Sw.(sec. B Jackson 3) | Temporarily abandonedGas | 6,000 | Aug 27, 1996 | — | — |
| McCaslin Charles L. #18 F42-297-32609 | Cimarron Engineering LLC | Live Oak, TXRamirena S.W. (5500 Sec B) | Shut inOil | 5,865 | Apr 16, 1996 | — | — |
| Lehman a #1 A42-355-33027 | Cimarron Engineering LLC | Nueces, TXLondon Gin N. (4730 Sand) | Shut inOil | 6,310 | Mar 12, 1996 | — | — |
| Normanna Townsite #142-025-32739 | Cimarron Engineering LLC | Bee, TXNormanna (Hockley 3525) | ActiveOil | 3,911 | Sep 13, 1995 | — | — |
| McCaslin C. L. #24-F42-297-34072 | Cimarron Engineering LLC | Live Oak, TXRamirena SW. (Yegua 7 Seg B-1) | Temporarily abandonedGas | 6,028 | Jul 2, 1993 | — | — |
| Reynolds Mary A. #3842-297-33299 | Cimarron Engineering LLC | Live Oak, TXRamirena SW. (D-58) | Shut inOil | 6,220 | Jul 24, 1990 | — | — |
| Reynolds Mary A. #1742-297-02379 | Cimarron Engineering LLC | Live Oak, TXRamirena SW. (Sec. B A Sand) | Shut inOil | 5,840 | Mar 27, 1989 | — | — |
| Reynolds Mary A. #4242-297-33621 | Cimarron Engineering LLC | Live Oak, TXRamirena SW. (Sec. B A Sand) | Shut inOil | 4,850 | Sep 30, 1985 | — | — |
| Messer W. H. Jr. et al #242-391-31656 | Cimarron Engineering LLC | Refugio, TXBonnie View South (5810) | PluggedGas | 6,464 | Oct 17, 1984 | — | — |
| Reynolds Mary A. #3642-297-32218 | Cimarron Engineering LLC | Live Oak, TXRamirena SW. (Yegua #2 Sd.) | Temporarily abandonedGas | 5,426 | Mar 9, 1984 | — | — |
| McCaslin Charles L. #1642-297-32219 | Cimarron Engineering LLC | Live Oak, TXRamirena SW. (Yegua 3) | PluggedOil | 6,600 | Dec 7, 1982 | — | — |
| Messer W.H. Jr. et al #142-391-31603 | Cimarron Engineering LLC | Refugio, TXBonnie View South (5300) | PluggedOil | 5,850 | Nov 19, 1982 | — | — |
| McCaslin Charles #2042-297-32984 | Cimarron Engineering LLC | Live Oak, TXRamirena SW. (Yegua 3 Upper) | Shut inOil | 5,300 | Aug 4, 1982 | — | — |
| McCaslin Charles L. #1342-297-31849 | Cimarron Engineering LLC | Live Oak, TXRamirena SW (Yeg 3 UP Seg E) | PluggedOil | 6,500 | Oct 6, 1978 | — | — |