| Adams #142-249-32676 | Cimarron Engineering LLC | Jim Wells, TXMagnolia City N. (Seg a 5300) | ActiveGas | 5,700 | Mar 22, 2024 | — | — |
| H. Blackstone #142-039-33371 | Cimarron Engineering LLC | Brazoria, TXPegasus Gulf Coast (Grubbs) | ActiveGas | 11,504 | Jan 9, 2024 | — | — |
| Hendricks #142-249-32668 | Cimarron Engineering LLC | Jim Wells, TXAlice SE. (Scheel) | ActiveOil | 5,850 | May 23, 2023 | — | — |
| Crane #142-355-34215 | Cimarron Engineering LLC | Nueces, TXAgua Dulce (Consolidated Frio) | PluggedOil | 7,300 | Apr 27, 2023 | — | — |
| Panzer 43 #142-199-33650 | Cimarron Engineering LLC | Hardin, TXSour Lake (Yegua 10 000) | ActiveGas | 10,389 | Jan 31, 2023 | — | — |
| Mosser #342-249-32666 | Cimarron Engineering LLC | Jim Wells, TXReynolds (Pundt) | PluggedOil | 5,800 | Dec 20, 2022 | — | — |
| Vanover #142-249-32665 | Cimarron Engineering LLC | Jim Wells, TXAl Smith (Vicksburg) | ActiveOil | 5,440 | Nov 16, 2022 | — | — |
| Jarzombek #142-493-32935 | Cimarron Engineering LLC | Wilson, TXStockdale (Poth A) | PluggedOil | 5,250 | May 27, 2022 | — | — |
| Steffens #142-175-34274 | Cimarron Engineering LLC | Goliad, TXTerrell Point (4200) | PluggedGas | 5,100 | May 6, 2022 | — | — |
| Twin Peaks #142-039-33366 | Cimarron Engineering LLC | Brazoria, TXPegasus Gulf Coast (Big Gas Sd.) | ActiveGas | 11,665 | Dec 15, 2021 | — | — |
| STV #242-149-33531 | Cimarron Engineering LLC | Fayette, TXCistern | Shut inOil | 1,400 | Oct 20, 2021 | — | — |
| Emerald #142-361-30992 | Cimarron Engineering LLC | Orange, TXHartburg | PluggedGas | 8,000 | Oct 13, 2021 | — | — |
| Baptist Foundation #242-249-32657 | Cimarron Engineering LLC | Jim Wells, TXAlice | PluggedOil | 5,550 | Aug 25, 2021 | — | — |
| Klatt #142-409-33131 | Cimarron Engineering LLC | San Patricio, TXSan Patricio (Vicksburg 6100) | PluggedOil | 6,650 | Jun 21, 2021 | — | — |
| K. McDonald #142-025-34005 | Cimarron Engineering LLC | Bee, TXBerkow (Kohler) | PluggedOil | 5,500 | Jun 2, 2021 | — | — |
| STV #142-149-33520 | Cimarron Engineering LLC | Fayette, TXCistern | Shut inOil | 3,000 | May 3, 2021 | — | — |
| Curtiss #142-297-36114 | Cimarron Engineering LLC | Live Oak, TXRamirena (5000) | Shut inOil | 5,220 | Dec 29, 2020 | — | — |
| Marek-Whitley #142-175-34263 | Cimarron Engineering LLC | Goliad, TXCircle -B- (5000) | PluggedOil | 5,600 | Nov 19, 2019 | — | — |
| LJ #242-297-36046 | Cimarron Engineering LLC | Live Oak, TXJackson Ranch (Yegua 5300) | PluggedGas | 5,600 | Oct 31, 2019 | — | — |
| State Lease 21 #142-039-33350 | Cimarron Engineering LLC | Brazoria, TXPegasus Gulf Coast (Big Gas Sd.) | ActiveGas | 11,087 | Oct 10, 2019 | — | — |
| Blackstone 156 #142-039-33349 | Cimarron Engineering LLC | Brazoria, TXRattlesnake Mound (6400) | ActiveGas | 6,801 | Aug 28, 2019 | — | — |
| Baptist Foundation #142-249-32645 | Cimarron Engineering LLC | Jim Wells, TXAlice (4800 Frio) | PluggedGas | 5,500 | Aug 5, 2019 | — | — |
| LJ #142-297-36032 | Cimarron Engineering LLC | Live Oak, TXJackson Ranch (Yegua 5400) | ActiveOil | 5,550 | Jun 26, 2019 | — | — |
| Cottingham #142-355-34179 | Cimarron Engineering LLC | Nueces, TXAgua Dulce (Consolidated Frio) | PluggedGas | 7,400 | Apr 9, 2019 | — | — |
| Klatt Heirs #142-249-32644 | Cimarron Engineering LLC | Jim Wells, TXQuinto Creek (3800) | PluggedOil | 5,950 | Apr 3, 2019 | — | — |
| Cardwell #242-355-34171 | Cimarron Engineering LLC | Nueces, TXRiverside South (Ocker Sand) | PluggedOil | 7,100 | Sep 7, 2018 | — | — |
| Orange Grove Farms #242-355-34162 | Cimarron Engineering LLC | Nueces, TXFarenthold | PluggedOil | 6,300 | Apr 9, 2018 | — | — |
| 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 | — | — |
| 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 | — | — |