| Grizzly #342-289-31428 | Valence Operating Company | Leon, TXFarrar (Cotton Valley Lime) | ActiveGas | 14,784 | Aug 26, 2004 | — | — |
| Fossil Lone Oak Ranch #142-289-31427 | Contrast Energy LLC | Leon, TXHilltop Resort (Bossier) | ActiveGas | 19,000 | Aug 25, 2004 | — | — |
| Hodges a #742-289-31426 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 14,038 | Aug 3, 2004 | — | — |
| Hodges a #542-289-31424 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 14,100 | Jul 26, 2004 | — | — |
| Hodges a #642-289-31425 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 14,150 | Jul 26, 2004 | — | — |
| Reliant Energy Unit #742-289-31423 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 15,057 | Jul 21, 2004 | — | — |
| Pullen Gas Unit #342-289-31422 | Hilcorp Energy Company | Leon, TXBear Grass (Pettit) | ActiveGas | 9,850 | Jul 9, 2004 | — | — |
| Helmcamp #142-289-31421 | XTO Energy Inc. | Leon, TXBear Grass (Pettit) | PluggedGas | 10,200 | Jul 8, 2004 | — | — |
| King Gail #742-289-31419 | Hilcorp Energy Company | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 15,000 | Jul 2, 2004 | — | — |
| King Gail #442-289-31418 | Hilcorp Energy Company | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 15,110 | Jun 30, 2004 | — | — |
| Reliant Energy Unit #642-289-31417 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 14,900 | Jun 28, 2004 | — | — |
| Hodges a #342-289-31416 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 14,100 | Jun 24, 2004 | — | — |
| Hodges a #442-289-31415 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 14,121 | Jun 23, 2004 | — | — |
| Leathers #142-289-31414 | Deguello Operating LLC | Leon, TXRed Oak (Subclarksville 6060) | ActiveOil | 6,906 | Jun 18, 2004 | — | — |
| Grizzly #242-289-31411 | Valence Operating Company | Leon, TXFarrar (Travis Peak) | ActiveGas | 14,937 | Jun 4, 2004 | — | — |
| Lewis B #742-289-31410 | Valence Operating Company | Leon, TXFarrar SE (Pettit) | ActiveGas | 14,950 | May 20, 2004 | — | — |
| Red Oak (Woodbine Dexter) Unit #270142-289-31409 | Rusk Energy Operating LLC | Leon, TXRed Oak (Dexter) | ActiveOil | 6,807 | May 12, 2004 | — | — |
| Sarandos #142-289-31408 | Hilcorp Energy Company | Leon, TXBear Grass (Pettit) | ActiveGas | 9,500 | Apr 21, 2004 | — | — |
| Red Oak (Woodbine Dexter) Unit #110142-289-31407 | Rusk Energy Operating LLC | Leon, TXRed Oak (Dexter) | ActiveOil | 6,710 | Apr 15, 2004 | — | — |
| Blazek #242-289-31152 | Hilcorp Energy Company | Leon, TXBear Grass (Pettit) | ActiveGas | 10,115 | Apr 14, 2004 | — | — |
| Hill V. K. #142-289-31405 | Sklar Exploration Company LLC | Leon, TXAlabama Ferry (Glenrose D West) | PluggedGas | 9,600 | Apr 12, 2004 | — | — |
| Fossil Cheney Gas Unit #1 #142-289-31406 | Contrast Energy LLC | Leon, TXHilltop Resort (Bossier) | ActiveGas | 19,150 | Apr 12, 2004 | — | — |
| Goostree #242-289-31403 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 13,520 | Mar 23, 2004 | — | — |
| Red Oak (Woodbine Dexter) Unit #100542-289-31402 | Rusk Energy Operating LLC | Leon, TXRed Oak (Dexter) | Shut inOil | 6,770 | Mar 19, 2004 | — | — |
| Montgomery #142-289-31404 | Fullspike Energy LLC | Leon, TXFreedom (Travis Peak) | Temporarily abandonedGas | 18,100 | Mar 19, 2004 | — | — |
| Reliant Energy Unit #542-289-31401 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 13,868 | Mar 17, 2004 | — | — |
| Reliant Energy Unit #442-289-31400 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 13,675 | Mar 15, 2004 | — | — |
| McAshan #642-289-31396 | Hunt Petroleum Corporation | Leon, TXBear Grass (Travis Peak) | Not on schedule | 10,400 | Feb 27, 2004 | — | — |
| Champion Ranch Macie #1HHZ42-289-31398 | Allied Operating Texas LLC | Leon, TXCenterville S. (Woodbine W-1) | PluggedOil | 7,000 | Feb 13, 2004 | — | — |
| Harrington #442-289-31392 | Miller Energy, Inc. | Leon, TXRed Oak (Dexter) | Not on schedule | 7,000 | Feb 12, 2004 | — | — |
| Champion Ranch #142-289-31280 | Trailblazer Energy Resources LLC | Leon, TXCenterville S. (Woodbine W-1) | Shut inOil | 6,809 | Feb 4, 2004 | — | — |
| McAshan #742-289-31397 | Hunt Petroleum Corporation | Leon, TXBear Grass (Travis Peak) | Not on schedule | 10,300 | Feb 3, 2004 | — | — |
| Goostree #142-289-31395 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 15,000 | Jan 23, 2004 | — | — |
| King Gail #542-289-31394 | Hilcorp Energy Company | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 14,970 | Jan 15, 2004 | — | — |
| Grizzly #142-289-31393 | Valence Operating Company | Leon, TXFarrar SE (Pettit) | ActiveGas | 14,950 | Jan 9, 2004 | — | — |
| Varibus #642-289-31390 | Hunt Petroleum Corporation | Leon, TXBear Grass (Travis Peak) | Not on schedule | 10,500 | Dec 19, 2003 | — | — |
| Hodges a #242-289-31389 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 13,973 | Nov 19, 2003 | — | — |
| Noey Gas Unit #142-289-31236 | Fullspike Energy LLC | Leon, TXBear Grass (Cotton Valley Cons) | Temporarily abandonedGas | 15,500 | Nov 7, 2003 | — | — |
| Red Oak (Woodbine Dexter) Unit #100342-289-31388 | Rusk Energy Operating LLC | Leon, TXRed Oak (Dexter) | Shut inOil | 6,800 | Oct 16, 2003 | — | — |
| Reliant Energy Unit #242-289-31387 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 13,720 | Oct 15, 2003 | — | — |
| Burleson M. G. a #142-289-31386 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 14,100 | Sep 17, 2003 | — | — |
| Helmcamp #342-289-31385 | Atlas Operating LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 10,451 | Sep 11, 2003 | — | — |
| Fossil Fridkin Kaufman GU #1 #142-289-31384 | Contrast Energy LLC | Leon, TXHilltop Resort (Bossier) | ActiveGas | 20,050 | Sep 8, 2003 | — | — |
| Metz #142-289-31383 | Wheeler Operating Corporation | Leon, TXNavarro Crossing (Woodbine) | Shut inOil | 5,951 | Sep 5, 2003 | — | — |
| Red Oak (Woodbine Dexter) Unit #100242-289-31382 | Rusk Energy Operating LLC | Leon, TXRed Oak (Dexter) | ActiveOil | 6,710 | Aug 26, 2003 | — | — |
| McAshan #342-289-31000 | Hilltex Operating Company LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 14,822 | Aug 19, 2003 | — | — |
| Hunter Gas Unit #642-289-31229 | Hilltex Operating Company LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 15,000 | Aug 18, 2003 | — | — |
| Lewis B #342-289-31380 | Valence Operating Company | Leon, TXFarrar (Travis Peak) | ActiveGas | 14,980 | Jul 31, 2003 | — | — |
| Jimmy Beddingfield Gas Unit NO.1 #242-289-31379 | XTO Energy Inc. | Leon, TX | Not on schedule | 15,200 | Jul 11, 2003 | — | — |
| Reliant Energy Unit #342-289-31377 | Diversified Production LLC | Leon, TXBear Grass (Cotton Valley Cons) | ActiveGas | 14,965 | Jul 9, 2003 | — | — |