| Swanson Gas Unit #142-289-31737 | XTO Energy Inc. | Leon, TX | Not on schedule | 18,500 | Apr 25, 2008 | — | — |
| Clute Gas Unit 1 #842-289-31736 | Diversified Production LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 11,004 | Apr 21, 2008 | — | — |
| Golie Milton Gas Unit No. 1 #142-289-31735 | Diversified Production LLC | Leon, TXMcBee (Travis Peak) | ActiveGas | 11,055 | Apr 16, 2008 | — | — |
| Nash #342-289-31734 | Diversified Production LLC | Leon, TXKenwood (Cotton Valley Lime) | ActiveGas | 14,750 | Apr 14, 2008 | — | — |
| King Gail #3542-289-31733 | Hilcorp Energy Company | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 15,150 | Apr 12, 2008 | — | — |
| Starrett Branch Gas Unit #342-289-31732 | Hilcorp Energy Company | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 15,700 | Apr 10, 2008 | — | — |
| Fossil-Lone Oak Ranch #5HHZ42-289-31729 | Fossil Operating Inc. | Leon, TXWildcat | PluggedGas | 15,000 | Mar 4, 2008 | — | — |
| Fossil Lone Oak Ranch #642-289-31728 | Contrast Energy LLC | Leon, TXHilltop Resort (Bossier) | ActiveGas | 16,475 | Feb 25, 2008 | — | — |
| Chaney J. Unit #142-289-31726 | Comstock Oil & Gas LLC | Leon, TXHilltop Resort (Bossier) | ActiveGas | 19,000 | Feb 19, 2008 | — | — |
| Lewis B #1842-289-31725 | Valence Operating Company | Leon, TXFarrar (Cotton Valley Lime) | ActiveGas | 14,999 | Feb 9, 2008 | — | — |
| Watson Hannah No. 1 Gas Unit #242-289-31723 | Diversified Production LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 12,150 | Feb 7, 2008 | — | — |
| King Gail #32HHZ42-289-31724 | Hilcorp Energy Company | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 14,400 | Feb 7, 2008 | — | — |
| Hagemeister Unit #142-289-30108 | Lake Ronel Oil Company | Leon, TXBuzzard Branch (Pecan Gap) | PluggedOil | 5,500 | Feb 5, 2008 | — | — |
| Weather Vane #1__42-289-31721 | — | Leon, TX | Plugged | 7,000 | Jan 28, 2008 | — | — |
| Red Oak (Woodbine Dexter) Unit #230242-289-31722 | Rusk Energy Operating LLC | Leon, TXRed Oak (Dexter) | ActiveOil | 6,750 | Jan 25, 2008 | — | — |
| Taylor O. K. #142-289-00191 | Amerril Energy LLC | Leon, TXBuffalo South (B) | PluggedGas | 9,650 | Jan 17, 2008 | — | — |
| Ellison Gas Unit #142-289-31720 | Atlas Operating LLC | Leon, TXBear Grass (Travis Peak) | ActiveGas | 10,400 | Jan 17, 2008 | — | — |
| King Gail #28HHZ42-289-31718 | Hilcorp Energy Company | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 14,395 | Jan 14, 2008 | — | — |
| Daughtry Gas Unit #142-289-31717 | Atlas Operating LLC | Leon, TXBear Grass (Travis Peak) | ActiveGas | 10,400 | Jan 10, 2008 | — | — |
| Thorne-Barkley GU 1 #142-289-31716 | Diversified Production LLC | Leon, TXMcBee (Travis Peak) | ActiveGas | 11,080 | Dec 12, 2007 | — | — |
| Hill A. G. No. 1 Gas Unit #342-289-31715 | Diversified Production LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 11,906 | Dec 11, 2007 | — | — |
| Fossil Holmes GU #1 #142-289-31713 | Contrast Energy LLC | Leon, TXHilltop Resort (Bossier) | Temporarily abandonedGas | 16,388 | Dec 7, 2007 | — | — |
| Marquez No. 1 SWD #142-289-31714 | Gsi Oil & Gas Inc. | Leon, TXBald Prairie (Travis Peak) | PluggedGas | 3,500 | Dec 6, 2007 | — | — |
| Story a #142-289-31711 | Dallas Production Company LLC | Leon, TXEunice (Travis Peak) | ActiveGas | 12,477 | Nov 30, 2007 | — | — |
| Frison a #142-289-31712 | Roberts & Hammack Inc. | Leon, TXRed Oak (Dexter) | PluggedGas | 7,000 | Nov 30, 2007 | — | — |
| Jeter #142-289-31707 | Roberts & Hammack Inc. | Leon, TXRed Oak (Dexter) | ActiveOil | 6,685 | Nov 19, 2007 | — | — |
| Furlough Gas Unit #142-289-31709 | Atlas Operating LLC | Leon, TXBear Grass (Travis Peak) | ActiveGas | 10,380 | Nov 16, 2007 | — | — |
| Hill A. G. No. 1 Gas Unit #242-289-31710 | Diversified Production LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 11,960 | Nov 16, 2007 | — | — |
| Fossil Wildman Trust #242-289-31572 | Contrast Energy LLC | Leon, TXHilltop Resort (Bossier) | Temporarily abandonedGas | 19,500 | Nov 14, 2007 | — | — |
| Keechi Creek #142-289-31690 | Diversified Production LLC | Leon, TXDowdy Ranch (Cotton Valley) | Temporarily abandonedGas | 17,667 | Nov 14, 2007 | — | — |
| Vanderbeek #242-289-31708 | Rise Petroleum Investments LLC | Leon, TXVanderbeek (Cotton Valley Lime) | ActiveGas | 17,762 | Nov 14, 2007 | — | — |
| Johnson, "A. B." #942-289-31706 | Marathon Oil Company | Leon, TXBranton, W. (Cotton Valley Lime) | Not on schedule | 16,500 | Oct 31, 2007 | — | — |
| King Gail #1AHHZ42-289-31705 | Hilcorp Energy Company | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 17,075 | Oct 26, 2007 | — | — |
| Clute-Diehl Gas Unit No. 1 #742-289-31703 | Diversified Production LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 11,152 | Oct 19, 2007 | — | — |
| Red Oak (Woodbine Dexter) Unit #180242-289-31704 | Rusk Energy Operating LLC | Leon, TXRed Oak (Dexter) | ActiveInjection | 6,750 | Oct 16, 2007 | — | — |
| Little Flock #142-289-31702 | Valence Operating Company | Leon, TXFarrar (Cotton Valley Lime) | ActiveGas | 14,850 | Oct 8, 2007 | — | — |
| Marshall "B" #242-289-31700 | Marathon Oil Company | Leon, TXBranton, W. (Cotton Valley Lime) | Not on schedule | 16,500 | Sep 28, 2007 | — | — |
| Black #1542-289-31701 | Valence Operating Company | Leon, TXFarrar SE (Pettit) | ActiveGas | 14,314 | Sep 28, 2007 | — | — |
| Baldwin #142-289-31594 | Weatherly Oil & Gas LLC | Leon, TXBear Grass (Cotton Valley Cons) | Temporarily abandonedGas | 16,700 | Sep 25, 2007 | — | — |
| Williams et al #242-289-31682 | Machin & Associates Inc. | Leon, TXUpper Keechi Creek (Dexter Sd.) | PluggedOil | 6,400 | Sep 20, 2007 | — | — |
| Hill A. G. No. 1 Gas Unit #142-289-31699 | Diversified Production LLC | Leon, TXJewett (Travis Peak) | Temporarily abandonedGas | 11,902 | Sep 19, 2007 | — | — |
| J M Harrington #242-289-31698 | Italian-American Oil Co., Inc. | Leon, TXRed Oak (FB-a, Sub Clarksville) | Not on schedule | 6,000 | Sep 17, 2007 | — | — |
| Ogle #142-289-31541 | Hilcorp Energy Company | Leon, TXJewett (Pettit) | ActiveGas | 10,380 | Sep 13, 2007 | — | — |
| Black #1142-289-31694 | Valence Operating Company | Leon, TXFarrar SE (Pettit) | ActiveGas | 14,450 | Aug 30, 2007 | — | — |
| Clute Gas Unit 1 #742-289-31697 | Diversified Production LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 10,944 | Aug 29, 2007 | — | — |
| Christian #242-289-31695 | Atlas Operating LLC | Leon, TXBear Grass (Travis Peak) | PluggedGas | 12,000 | Aug 27, 2007 | — | — |
| Warren #142-289-31696 | Chesapeake Operating, Inc. | Leon, TX | Not on schedule | 22,000 | Aug 27, 2007 | — | — |
| Burleson M. G. a #1342-289-31693 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 13,970 | Aug 11, 2007 | — | — |
| Fossil Lone Oak Ranch #3HHZ42-289-31692 | Contrast Energy LLC | Leon, TXHilltop Resort (Knowles) | ActiveGas | 13,308 | Aug 8, 2007 | — | — |
| Burleson M. G. a #9U42-289-31584 | Diversified Production LLC | Leon, TXBear Grass (Pettit) | ActiveGas | 13,970 | Aug 6, 2007 | — | — |