| Jensen "a" Gas Unit #342-289-31339 | — | Leon, TXBear Grass (Bossier Sand) | Plugged | 15,500 | Nov 28, 2000 | — | — |
| Campbell Gas Unit #342-289-31293 | Valence Operating Company | Leon, TXBirch Creek (Rodessa) | ActiveGas | 10,250 | Nov 7, 2000 | — | — |
| Campbell Gas Unit #242-289-31288 | Valence Operating Company | Leon, TXBirch Creek (Rodessa) | ActiveGas | 10,400 | Nov 1, 2000 | — | — |
| Montgomery J. R. #242-289-31338 | Atlas Operating LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 10,595 | Nov 1, 2000 | — | — |
| Johnson A.B. #342-289-31337 | Petrovybe Opco LLC | Leon, TXBear Grass (Cotton Valley Cons) | Temporarily abandonedGas | 14,020 | Oct 27, 2000 | — | — |
| Wilson #142-289-31336 | — | Leon, TXAlabama Ferry (Woodbine-Dexter) | Plugged | 8,500 | Oct 18, 2000 | — | — |
| SW Oakwood GU #4 #142-289-00162 | Barrow-Shaver Resources Co. | Leon, TXWildcat | PluggedOil | 5,800 | Oct 13, 2000 | — | — |
| Hodges a #142-289-31335 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 14,047 | Oct 13, 2000 | — | — |
| Haley Estate #142-289-31334 | Palmer Petroleum Inc. | Leon, TXBuffalo (Woodbine) | PluggedGas | 6,500 | Sep 22, 2000 | — | — |
| Corby #2 Gas Unit #242-289-31333 | Atlas Operating LLC | Leon, TXLac (Rodessa) | ActiveGas | 7,998 | Sep 11, 2000 | — | — |
| Afwdu #150142-289-31332 | Wildfire Energy Operating LLC | Leon, TXAlabama Ferry (Woodbine-Dexter) | PluggedOil | 8,700 | Aug 18, 2000 | — | — |
| Ellis B #342-289-31328 | Valence Operating Company | Leon, TXBear Grass (Pettit) | ActiveGas | 9,600 | Jul 17, 2000 | — | — |
| Fortson #142-289-31331 | Petro-Smith Operating LLC | Leon, TXFortson Ranch (Woodbine) | PluggedOil | 6,400 | Jul 17, 2000 | — | — |
| Afwdu #30242-289-31329 | Wildfire Energy Operating LLC | Leon, TXAlabama Ferry (Woodbine-Dexter) | PluggedOil | 8,800 | Jul 13, 2000 | — | — |
| Afwdu #20342-289-31330 | Wildfire Energy Operating LLC | Leon, TXAlabama Ferry (Woodbine-Dexter) | PluggedOil | 8,800 | Jul 13, 2000 | — | — |
| Cox Weldon GU #142-289-30354 | Hilcorp Energy Company | Leon, TXDonie (Pettit) | ActiveGas | 15,300 | Jun 30, 2000 | — | — |
| Lewis B #242-289-31326 | Valence Operating Company | Leon, TXBear Grass (Pettit) | ActiveGas | 9,800 | May 30, 2000 | — | — |
| Campbell Gas Unit #442-289-31320 | Valence Operating Company | Leon, TXBear Grass (Travis Peak) | ActiveGas | 9,700 | May 4, 2000 | — | — |
| Afwdu #140142-289-31324 | Wildfire Energy Operating LLC | Leon, TXAlabama Ferry (Woodbine-Dexter) | ActiveOil | 8,163 | Apr 17, 2000 | — | — |
| Carter a #142-289-31323 | Corsa Resources LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 17,732 | Apr 11, 2000 | — | — |
| Gillen Ira #242-289-31318 | Valence Operating Company | Leon, TXBear Grass (Pettit) | ActiveGas | 9,272 | Apr 4, 2000 | — | — |
| Afwdu #20242-289-31322 | Wildfire Energy Operating LLC | Leon, TXAlabama Ferry (Woodbine-Dexter) | PluggedOil | 8,800 | Mar 29, 2000 | — | — |
| Ellis B #242-289-31319 | Valence Operating Company | Leon, TXBear Grass (Travis Peak) | ActiveGas | 9,504 | Mar 23, 2000 | — | — |
| Floyd E. G. #142-289-30474 | Cameron Paul E. Jr. Inc. | Leon, TXRed Oak (FB-a Sub Clarksville) | PluggedOil | 11,020 | Mar 2, 2000 | — | — |
| Barron-Hartman GU 1 #242-289-31317 | Diversified Production LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 11,004 | Mar 1, 2000 | — | — |
| Anne #1__42-289-31315 | — | Leon, TXBuffalo, SW. (Woodbine) | Plugged | 6,450 | Feb 11, 2000 | — | — |
| Newell a #342-289-31310 | Hilcorp Energy Company | Leon, TXBear Grass (Travis Peak) | Temporarily abandonedGas | 9,775 | Feb 8, 2000 | — | — |
| Bogs "a" #242-289-31313 | Marathon Oil Company | Leon, TX | Not on schedule | 10,300 | Jan 10, 2000 | — | — |
| Ann Grayson #142-289-31312 | Carr Resources Inc. | Leon, TXBear Grass (Travis Peak) | PluggedGas | 9,800 | Jan 5, 2000 | — | — |
| Tandy W.L. #542-289-31311 | — | Leon, TXBuffalo | Plugged | 6,000 | Jan 4, 2000 | — | — |
| Hill A. G. #342-289-31309 | Atlas Operating LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 10,515 | Dec 14, 1999 | — | — |
| Afwdu #40242-289-31305 | Wildfire Energy Operating LLC | Leon, TXAlabama Ferry (Woodbine-Dexter) | Shut inOil | 8,375 | Dec 13, 1999 | — | — |
| Dorr #242-289-31308 | — | Leon, TX | Plugged | 8,100 | Dec 3, 1999 | — | — |
| T-Bar-X Winstead #142-289-31307 | Blue Star Operating Company | Leon, TXPearwood (Cotton Valley Lime) | PluggedGas | 20,000 | Nov 12, 1999 | — | — |
| Holmes S #342-289-31304 | Hilcorp Energy Company | Leon, TXBear Grass (Travis Peak) | ActiveGas | 9,700 | Sep 1, 1999 | — | — |
| Allison #142-289-31303 | Atlas Operating LLC | Leon, TXWonderland (Bossier Sand) | ActiveGas | 15,757 | Aug 26, 1999 | — | — |
| Gillen Ira #142-289-31301 | Valence Operating Company | Leon, TXBear Grass (Travis Peak) | ActiveGas | 9,500 | Jul 30, 1999 | — | — |
| Afwdu #40342-289-31299 | Wildfire Energy Operating LLC | Leon, TXAlabama Ferry (Woodbine-Dexter) | PluggedOil | 8,800 | Jul 20, 1999 | — | — |
| T-Bar-X Carrington #142-289-31234 | Carr Resources Inc. | Leon, TXWildcat | Temporarily abandonedGas | 15,582 | Jul 16, 1999 | — | — |
| Simpson Estate #242-289-31300 | — | Leon, TXUpper Keechi Creek (Dexter Sd.) | Plugged | 6,500 | Jun 24, 1999 | — | — |
| Carter #242-289-30869 | Linder John Operating Co. LLC | Leon, TXLong Lake (Rodessa 8600) | ActiveGas | 10,998 | Apr 28, 1999 | — | — |
| Corby #3 Gas Unit #142-289-31298 | Atlas Operating LLC | Leon, TXLac (Rodessa 8200) | ActiveGas | 9,600 | Mar 3, 1999 | — | — |
| Hill A.G. Gas Unit #142-289-30061 | BRG Lone Star Ltd. | Leon, TXWildcat | PluggedGas | 10,020 | Feb 4, 1999 | — | — |
| Alexander J. D. Unit 2 #142-289-30914 | Linder John Operating Co. LLC | Leon, TXLong Lake (Rodessa 8600) | ActiveGas | 9,930 | Oct 15, 1998 | — | — |
| Corby #2 Gas Unit #142-289-31294 | Atlas Operating LLC | Leon, TXLac (Rodessa) | ActiveGas | 7,987 | Oct 7, 1998 | — | — |
| Harcrow S #142-289-31246 | Atlas Operating LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 9,788 | Jul 27, 1998 | — | — |
| Harrington N. G. #142-289-31292 | Italian-American Oil Co. Inc. | Leon, TXRed Oak (FB-a Sub Clarksville) | PluggedGas | 6,000 | Jul 24, 1998 | — | — |
| Willingham #142-289-31291 | Atlas Operating LLC | Leon, TXJewett W. (Cotton Valley Lime) | ActiveGas | 16,110 | Jun 30, 1998 | — | — |
| Martin Gas Unit #1__42-289-31290 | — | Leon, TX | Plugged | 19,000 | May 15, 1998 | — | — |
| Sharp A. L. #242-289-31289 | Atlas Operating LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 10,400 | Apr 13, 1998 | — | — |