| Lewis B #442-289-31378 | Valence Operating Company | Leon, TXFarrar SE (Pettit) | ActiveGas | 14,989 | Jul 8, 2003 | — | — |
| Allbritton E.R. Unit 1 #342-289-31376 | Roberts & Hammack Inc. | Leon, TXRed Oak (Sub-Clarksville) | ActiveGas | 5,774 | May 23, 2003 | — | — |
| Peters #242-289-31374 | Machin & Associates, Inc. | Leon, TXAlabama Ferry (Woodbine-Dexter) | Not on schedule | 8,500 | May 6, 2003 | — | — |
| Guinn Gas Unit #242-289-31295 | Atlas Operating LLC | Leon, TXJewett (Pettit) | ActiveGas | 10,516 | Apr 30, 2003 | — | — |
| Red Oak (Woodbine Dexter) Unit #100142-289-31372 | Rusk Energy Operating LLC | Leon, TXRed Oak (Dexter) | ActiveOil | 6,760 | Apr 28, 2003 | — | — |
| Tick D. #1HZ42-289-31364 | Carr Resources Inc. | Leon, TXBranton (Rodessa) | PluggedGas | 8,800 | Feb 10, 2003 | — | — |
| Haley Heirs #142-289-31371 | Wheeler Operating Corporation | Leon, TXNavarro Crossing | Temporarily abandonedGas | 5,951 | Jan 27, 2003 | — | — |
| Belin Trust a #142-289-31359 | First Source Texas Inc. | Leon, TXWildcat | PluggedGas | 25,000 | Jan 9, 2003 | — | — |
| Corby Unit #342-289-31370 | C. W. Resources Inc. | Leon, TXBranton (Rodessa) | PluggedGas | 9,000 | Dec 30, 2002 | — | — |
| Cook Louise #a 342-289-31368 | Hilcorp Energy Company | Leon, TXBear Grass (Pettit) | ActiveGas | 9,600 | Nov 26, 2002 | — | — |
| Cook Louise #a 242-289-31369 | Hilcorp Energy Company | Leon, TXBear Grass (Pettit) | ActiveGas | 9,625 | Nov 26, 2002 | — | — |
| Vann Unit #3HZ42-289-31247 | STS Petroleum LLC | Leon, TXDew (C.V. Consolidated) | PluggedGas | 17,000 | Oct 14, 2002 | — | — |
| Reliant Energy Unit #142-289-31366 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 15,125 | Sep 25, 2002 | — | — |
| Williams #142-289-31367 | Atlas Operating LLC | Leon, TXBranton (Rodessa) | ActiveGas | 8,590 | Aug 30, 2002 | — | — |
| Sanders #1HZ42-289-31363 | C. W. Resources Inc. | Leon, TXBranton (Rodessa) | PluggedGas | 9,800 | Jul 11, 2002 | — | — |
| Morris Lazy K #142-289-31254 | Anadarko E&P Onshore LLC | Leon, TXDew (C.V. Consolidated) | PluggedGas | 18,500 | Jun 3, 2002 | — | — |
| Pettey-Kahla #142-289-31297 | Bell & Kinley Company | Leon, TXWildcat | PluggedGas | 17,500 | Feb 25, 2002 | — | — |
| Afgrd Unit #5442-289-30910 | Newco Oil and Gas LLC | Leon, TXAlabama Ferry (Glenrose D ) | Shut inOil | 9,850 | Jan 22, 2002 | — | — |
| Watson #242-289-31239 | Hilcorp Energy Company | Leon, TXDew (C.V. Consolidated) | ActiveGas | 15,300 | Nov 28, 2001 | — | — |
| Watson #342-289-31345 | XTO Energy Inc. | Leon, TXDew (C.V. Consolidated) | PluggedGas | 14,500 | Nov 28, 2001 | — | — |
| Harrington #142-289-31286 | Pioneer Natural Res. USA Inc. | Leon, TXRed Oak (Bossier) | PluggedGas | 18,000 | Nov 9, 2001 | — | — |
| Johnson AB Gas Unit #242-289-31327 | Petrovybe Opco LLC | Leon, TXBirch Creek (Rodessa) | ActiveGas | 9,810 | Oct 24, 2001 | — | — |
| Haley Estates #2__42-289-31362 | — | Leon, TX | Plugged | 6,500 | Oct 18, 2001 | — | — |
| Watson Elmore Estate #242-289-31361 | Hilcorp Energy Company | Leon, TXBear Grass (Pettit) | ActiveGas | 9,413 | Oct 2, 2001 | — | — |
| Welch-Lacey #142-289-31360 | B.W.O.C. Inc. | Leon, TXAlabama Ferry (Woodbine-Dexter) | PluggedOil | 7,959 | Sep 5, 2001 | — | — |
| Cook Louise #242-289-31358 | Hilcorp Energy Company | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 13,986 | Jul 27, 2001 | — | — |
| Fortson #3__42-289-31357 | — | Leon, TX | Plugged | 6,300 | Jul 19, 2001 | — | — |
| Frank Bell Unit #1RE42-289-30432 | Anadarko Petroleum Corporation | Leon, TXWildcat | PluggedGas | 17,500 | Jul 18, 2001 | — | — |
| Cook Louise #142-289-31090 | Hilcorp Energy Company | Leon, TXBear Grass (Pettit) | ActiveGas | 10,200 | Jul 6, 2001 | — | — |
| Beeler John #1__42-289-31356 | — | Leon, TX | Plugged | 6,900 | Jun 25, 2001 | — | — |
| Century-Johnson #142-289-31355 | — | Leon, TX | Plugged | 17,000 | Jun 13, 2001 | — | — |
| Afwdu #150242-289-31353 | Wildfire Energy Operating LLC | Leon, TXAlabama Ferry (Woodbine-Dexter) | ActiveOil | 8,373 | May 30, 2001 | — | — |
| Elmore Watson Estate #342-289-31352 | Hilcorp Energy Company | Leon, TXBear Grass (Pettit) | ActiveGas | 9,457 | May 21, 2001 | — | — |
| Rainbolt Ranch a #142-289-31351 | Diversified Production LLC | Leon, TXBald Prairie (CV Consolidated) | ActiveGas | 17,980 | May 15, 2001 | — | — |
| LTX #242-289-31348 | American Energy Partners Inc. | Leon, TXMarquez (Bossier Sand) | PluggedGas | 15,000 | May 8, 2001 | — | — |
| LTX #142-289-31349 | American Energy Partners Inc. | Leon, TXMarquez (Bossier Sand) | PluggedGas | 14,500 | May 8, 2001 | — | — |
| Walker M.P. et al Unit #242-289-31350 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 14,000 | May 2, 2001 | — | — |
| Montgomery J.R. Gas Unit #142-289-30400 | Atlas Operating LLC | Leon, TXJewett (Pettit) | ActiveGas | 10,610 | Apr 26, 2001 | — | — |
| Afwdu #160142-289-31347 | Wildfire Energy Operating LLC | Leon, TXAlabama Ferry (Woodbine-Dexter) | PluggedOil | 8,600 | Apr 20, 2001 | — | — |
| Fortson #242-289-31346 | Petro-Smith Operating LLC | Leon, TXFortson Ranch (Woodbine) | PluggedOil | 6,400 | Mar 27, 2001 | — | — |
| Grayson Darwin B. et al Unit #142-289-31344 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | Temporarily abandonedGas | 14,120 | Mar 14, 2001 | — | — |
| Alexander John D. #142-289-30872 | Linder John Operating Co. LLC | Leon, TXLong Lake (Travis Peak) | ActiveGas | 9,838 | Feb 28, 2001 | — | — |
| Johnson "AB" Gas Unit #442-289-31343 | EOG Resources, Inc. | Leon, TXBear Grass (Travis Peak) | Not on schedule | 10,200 | Feb 20, 2001 | — | — |
| Helmcamp #142-289-30075 | Atlas Operating LLC | Leon, TXJewett (Pettit) | ActiveGas | 10,307 | Jan 26, 2001 | — | — |
| Campbell Gas Unit #142-289-31265 | Valence Operating Company | Leon, TXBear Grass (Pettit) | ActiveGas | 10,260 | Dec 28, 2000 | — | — |
| Corby No. 1 Gas Unit #242-289-31342 | Petrovybe Opco LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 14,100 | Dec 27, 2000 | — | — |
| Beddingfield #142-289-31341 | Coastal Expanse Oil & Gas | Leon, TXKenwood (Cotton Valley Lime) | Temporarily abandonedGas | 14,700 | Dec 20, 2000 | — | — |
| Vanderbeek J. W. #142-289-31276 | Rise Petroleum Investments LLC | Leon, TXVanderbeek (Bossier Sand) | Temporarily abandonedGas | 17,500 | Dec 18, 2000 | — | — |
| Phelps No. 1 #142-289-31340 | Keating Energy Inc. | Leon, TXBranton (Rodessa) | PluggedGas | 9,500 | Dec 12, 2000 | — | — |
| Russell a #342-289-31263 | Valence Operating Company | Leon, TXBear Grass (Pettit) | ActiveGas | 10,171 | Dec 4, 2000 | — | — |