| Fraser 3 Federal #001E30-015-38018 | EOG Resources Inc only | EddyCollins Ranch; Wolfcamp (Gas) | PermittedGas | 8,558 | Jul 15, 2010 | 0 | 0 |
| Fraser 3 Federal #00230-015-38019 | EOG Resources Inc only | EddyCollins Ranch; Wolfcamp (Gas) | PermittedGas | 8,767 | Jul 15, 2010 | 0 | 0 |
| Fraser 3 Federal #00330-015-38020 | EOG Resources Inc only | EddyCollins Ranch; Wolfcamp (Gas) | PermittedGas | 8,973 | Jul 15, 2010 | 0 | 0 |
| Fraser 3 Federal #004H30-015-37388 | EOG Resources Inc only | EddyCollins Ranch; Wolfcamp (Gas) | PermittedGas | 9,824 | Nov 5, 2009 | 0 | 0 |
| Tippecanoe a 7 Federal Com #001H30-015-37036 | EOG Resources Inc only | EddyCollins Ranch; Wolfcamp (Gas) | PermittedGas | 8,567 | Apr 9, 2009 | 0 | 0 |
| Tippecanoe a 7 Federal Com #002H30-015-37037 | EOG Resources Inc only | EddyCollins Ranch; Wolfcamp (Gas) | PermittedGas | 8,585 | Apr 9, 2009 | 0 | 0 |
| Tippecanoe B 7 Federal Com #001H30-015-37038 | EOG Resources Inc only | EddyCollins Ranch; Wolfcamp (Gas) | PermittedGas | 8,342 | Apr 9, 2009 | 0 | 0 |
| Tippecanoe B 7 Fee Com #002H30-015-36754 | BAM Permian Operating, LLC only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,275 | Nov 7, 2008 | 0 | 5,801 |
| 1724 Federal Com #212C30-015-35822 | Endeavor Energy Resources, LP only | EddyCollins Ranch; Wolfcamp (Gas) | CanceledGas | 9 | Sep 18, 2007 | 0 | 0 |
| Trinity B 28 State #001H30-015-35683 | Extex Operating Company only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,455 | Jun 26, 2007 | 0 | 1,552 |
| Trinity B 28 State #002H30-015-35684 | Extex Operating Company only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,570 | Jun 26, 2007 | 0 | 16,537 |
| Trinity a 28 State #001H30-015-35680 | Extex Operating Company only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,550 | Jun 20, 2007 | 0 | 7,324 |
| Trinity a 28 State #002H30-015-35659 | Extex Operating Company only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,500 | Jun 8, 2007 | 0 | 6,384 |
| Harper State #01230-015-35658 | EQV Operating NM LLC only | EddyLoco Hills; Glorieta-Yeso | ActiveOil | 6,230 | Jun 7, 2007 | 0 | 1,595 |
| 1724 State Com #162C30-015-35642 | LCX Energy, LLC only | EddyCollins Ranch; Wolfcamp (Gas) | CanceledGas | 8,747 | Jun 4, 2007 | 0 | 0 |
| 1724 Federal Com #151HHZ30-015-35665 | Opal Operating Company LLC only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,706 | May 14, 2007 | 0 | 4,682 |
| 1724 State Com #27230-015-35487 | LCX Energy, LLC only | EddyCollins Ranch; Wolfcamp (Gas) | CanceledGas | 8,697 | Mar 27, 2007 | 0 | 0 |
| 1724 Federal Com #29230-015-35497 | Opal Operating Company LLC only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,710 | Mar 22, 2007 | 0 | 3,952 |
| 1724 State Com #02130-015-35411 | Opal Operating Company LLC only | EddyCollins Ranch; Wolfcamp, NE. Gas | ActiveGas | 8,623 | Feb 5, 2007 | 0 | 3,772 |
| 1625 State Com #16130-015-35412 | Opal Operating Company LLC only | EddyCottonwood Creek; Wolfcamp (Gas) | ActiveGas | 8,604 | Feb 5, 2007 | 0 | 4,113 |
| Osbourn 1724 #10130-015-35362 | Opal Operating Company LLC only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 9,016 | Jan 15, 2007 | 0 | 3,475 |
| 1724 Smith 14 #00130-015-35363 | Opal Operating Company LLC only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,643 | Jan 15, 2007 | 0 | 2,990 |
| Hudson 15 Federal Com #002H30-015-35015 | Extex Operating Company only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,536 | Jul 10, 2006 | 0 | 6,161 |
| 1724 State Com #26130-015-34855 | Opal Operating Company LLC only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,731 | May 12, 2006 | 0 | 3,125 |
| Platte 23 Fee Com #001H30-015-34773 | Legacy Reserves Operating, LP only | EddyCollins Ranch; Wolfcamp (Gas) | CanceledGas | 5,200 | Apr 11, 2006 | 0 | 0 |
| Wonderbunny #001H30-015-34743 | David H Arrington Oil & Gas Inc only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,555 | Mar 28, 2006 | 0 | 0 |
| Paschall Lamb #001H30-015-34696 | David H Arrington Oil & Gas Inc only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,715 | Mar 16, 2006 | 0 | 0 |
| State 1724 #32130-015-34579 | LCX Energy, LLC only | EddyCollins Ranch; Wolfcamp (Gas) | CanceledGas | 8,720 | Feb 2, 2006 | 0 | 0 |
| State 1724 #16130-015-34540 | Opal Operating Company LLC only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,564 | Jan 10, 2006 | 0 | 4,264 |
| 1724 State Com #21130-015-34542 | Opal Operating Company LLC only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,616 | Jan 10, 2006 | 0 | 3,024 |
| State 1724 #27130-015-34543 | Opal Operating Company LLC only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,689 | Jan 10, 2006 | 0 | 6,166 |
| Platte 23 Fee #002H30-015-34489 | Extex Operating Company only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,629 | Dec 27, 2005 | 0 | 5,876 |
| Joliba 17 Fee #002H30-015-34490 | EOG Resources Inc only | EddyCollins Ranch; Wolfcamp (Gas) | CanceledGas | 5,200 | Dec 27, 2005 | 0 | 0 |
| Joliba 17 Fee #001H30-015-34491 | EOG Resources Inc only | EddyCollins Ranch; Wolfcamp (Gas) | CanceledGas | 5,200 | Dec 27, 2005 | 0 | 0 |
| Hudson 15 Federal Com #001HHZ30-015-34493 | Extex Operating Company only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,610 | Dec 20, 2005 | 0 | 6,056 |
| Jordan 22 Fee Com #002H30-015-34426 | Extex Operating Company only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,440 | Nov 15, 2005 | 0 | 2,540 |
| Nile State 22 Com #002HHZ30-015-34422 | Extex Operating Company only | EddyCollins Ranch; Wolfcamp (Gas) | Temporarily abandonedGas | 8,330 | Nov 11, 2005 | 0 | 0 |
| Kincaid 1724 #11130-015-34248 | Opal Operating Company LLC only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,979 | Jul 29, 2005 | 0 | 23,894 |
| Marathon Agi State #002HHZ30-015-34144 | EOG Resources Inc only | EddyCollins Ranch; Wolfcamp (Gas) | PluggedGas | 8,838 | Jun 3, 2005 | 0 | 0 |
| Jordan 22 Fee Com #001H30-015-34048 | Extex Operating Company only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,402 | Apr 12, 2005 | 0 | 1,586 |
| Nile State 22 Com #00130-015-33597 | Extex Operating Company only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,125 | Aug 31, 2004 | 0 | 23,886 |
| Marathon Agi State #00130-015-10268 | EOG Resources Inc only | EddyCollins Ranch; Wolfcamp (Gas) | PluggedGas | 7,970 | Oct 1, 1989 | 0 | 0 |
| Richard Knob Aex State #00230-015-26073 | EOG Resources Inc only | EddyCollins Ranch; Wolfcamp (Gas) | PluggedGas | 5,300 | May 1, 1989 | 0 | 0 |
| Richard Knob Aex State #00130-015-25848 | EOG Resources Inc only | EddyCollins Ranch; Wolfcamp (Gas) | PluggedGas | 8,300 | Sep 1, 1988 | 0 | 0 |
| State DF #00130-015-10016 | EOG Resources Inc only | EddyCollins Ranch; Wolfcamp (Gas) | PluggedGas | 8,269 | Mar 1, 1977 | 0 | 0 |
| 1724 Cass North Com #29130-015-20570 | Opal Operating Company LLC only | EddyCollins Ranch; Wolfcamp (Gas) | ActiveOil | 8,435 | — | 0 | 4,776 |