| Westbrook Southwest Unit #171342-335-34697 | Grayrock Energy II LLC | Mitchell, TXWestbrook | PluggedOil | 3,600 | Nov 21, 2006 | — | — |
| Westbrook Southwest Unit #111242-335-34698 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveOil | 3,300 | Nov 21, 2006 | — | — |
| Westbrook Southwest Unit #1113W42-335-34700 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveInjection | 3,300 | Nov 21, 2006 | — | — |
| Westbrook Southwest Unit #32042-335-34701 | Grayrock Energy II LLC | Mitchell, TXWestbrook | PluggedOil | 3,600 | Nov 21, 2006 | — | — |
| Lake Trammel Unit #11842-353-32926 | Grayrock Energy II LLC | Nolan, TXLake Trammel W. (Canyon) | ActiveOil | 5,549 | Nov 21, 2006 | — | — |
| Guy Ranch #1242-417-38653 | Grayrock Energy II LLC | Shackelford, TXEdgar Davis (Morris) | PluggedGas | 4,999 | Oct 17, 2006 | — | — |
| Davis B #761842-417-38643 | Grayrock Energy II LLC | Shackelford, TXWindham West (3400) | Temporarily abandonedGas | 4,011 | Oct 16, 2006 | — | — |
| House E. #1542-415-34264 | Grayrock Energy II LLC | Scurry, TXSharon Ridge (1700) | ActiveOil | 3,000 | Oct 11, 2006 | — | — |
| Hardee B. #2142-415-34266 | Grayrock Energy II LLC | Scurry, TXSharon Ridge (1700) | ActiveOil | 3,000 | Oct 11, 2006 | — | — |
| Hardee B. #2042-415-34265 | Grayrock Energy II LLC | Scurry, TXSharon Ridge (1700) | ActiveOil | 3,000 | Sep 29, 2006 | — | — |
| Davis B #761642-417-38635 | Grayrock Energy II LLC | Shackelford, TXWindham West (3400) | Temporarily abandonedGas | 3,446 | Sep 20, 2006 | — | — |
| Davis B #761542-417-38634 | Grayrock Energy II LLC | Shackelford, TXWindham West (3400) | Temporarily abandonedGas | 4,009 | Sep 15, 2006 | — | — |
| Hardee B. #19W42-415-34262 | Grayrock Energy II LLC | Scurry, TXSharon Ridge (1700) | Shut inOil | 1,901 | Aug 30, 2006 | — | — |
| Hardee B. #18W42-415-34263 | Grayrock Energy II LLC | Scurry, TXSharon Ridge (1700) | Shut inOil | 1,903 | Aug 30, 2006 | — | — |
| Guy Ranch #942-417-38631 | Grayrock Energy II LLC | Shackelford, TXEdgar Davis (Morris) | PluggedGas | 4,999 | Aug 29, 2006 | — | — |
| Snyder B. S. -a- #1042-227-30862 | Grayrock Energy II LLC | Howard, TXSnyder | Shut inOil | 2,846 | Aug 10, 2006 | — | — |
| Snyder B. S. -a- #2876W42-227-35541 | Grayrock Energy II LLC | Howard, TXSnyder | ActiveInjection | 2,800 | Aug 10, 2006 | — | — |
| Davis WB #681442-417-38626 | Grayrock Energy II LLC | Shackelford, TXWindham West (3400) | Temporarily abandonedGas | 4,007 | Aug 8, 2006 | — | — |
| Westbrook Southwest Unit #21942-335-34669 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveOil | 3,296 | Aug 1, 2006 | — | — |
| Westbrook Southwest Unit #17842-335-34670 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveOil | 3,365 | Aug 1, 2006 | — | — |
| Westbrook Southwest Unit #522W42-335-34671 | Grayrock Energy II LLC | Mitchell, TXWestbrook | Shut inOil | 3,300 | Aug 1, 2006 | — | — |
| Westbrook Southwest Unit #51842-335-34672 | Grayrock Energy II LLC | Mitchell, TXWestbrook | Shut inOil | 3,394 | Aug 1, 2006 | — | — |
| Westbrook Southwest Unit #13442-335-34673 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveInjection | 3,365 | Aug 1, 2006 | — | — |
| Westbrook Southwest Unit #13042-335-34674 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveOil | 3,313 | Aug 1, 2006 | — | — |
| Westbrook Southwest Unit #31442-335-34675 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveOil | 3,296 | Aug 1, 2006 | — | — |
| Westbrook Southwest Unit #31942-335-34676 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveOil | 3,306 | Aug 1, 2006 | — | — |
| Westbrook Southwest Unit #45742-335-34677 | Grayrock Energy II LLC | Mitchell, TXWestbrook | Shut inOil | 3,300 | Aug 1, 2006 | — | — |
| Westbrook Southwest Unit #23842-335-34678 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveOil | 3,295 | Aug 1, 2006 | — | — |
| Guy Ranch #842-417-38623 | Grayrock Energy II LLC | Shackelford, TXEdgar Davis (Morris) | PluggedGas | 4,999 | Jul 13, 2006 | — | — |
| TXL B. S. -D- #442-227-31426 | Grayrock Energy II LLC | Howard, TXSnyder | Shut inOil | 3,757 | Jul 6, 2006 | — | — |
| Davis #490842-417-38617 | Grayrock Energy II LLC | Shackelford, TXWindham West (3400) | ActiveOil | 3,510 | Jul 5, 2006 | — | — |
| Davis #501342-417-38611 | Grayrock Energy II LLC | Shackelford, TXWindham West (3400) | Temporarily abandonedGas | 4,013 | Jun 20, 2006 | — | — |
| Mead Strawn Unit #142-253-03437 | Grayrock Energy II LLC | Jones, TXMead (Strawn) | PluggedOil | 5,020 | Jun 13, 2006 | — | — |
| Davis B #761242-417-38609 | Grayrock Energy II LLC | Shackelford, TXWindham West (3400) | ActiveGas | 4,986 | Jun 13, 2006 | — | — |
| Davis #490742-417-38599 | Grayrock Energy II LLC | Shackelford, TXWindham West (3400) | ActiveOil | 4,010 | May 11, 2006 | — | — |
| Davis #501042-417-38589 | Grayrock Energy II LLC | Shackelford, TXWindham West (3400) | Shut inOil | 4,005 | Apr 27, 2006 | — | — |
| Davis #470542-417-38581 | Grayrock Energy II LLC | Shackelford, TXWindham West (3400) | Shut inOil | 4,011 | Apr 10, 2006 | — | — |
| Westbrook Southwest Unit #45942-335-34585 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveOil | 3,298 | Apr 5, 2006 | — | — |
| Westbrook Southwest Unit #31642-335-34586 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveOil | 3,305 | Apr 5, 2006 | — | — |
| Westbrook Southwest Unit #201442-335-34587 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveInjection | 3,375 | Apr 5, 2006 | — | — |
| Westbrook Southwest Unit #201042-335-34588 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveOil | 3,280 | Apr 5, 2006 | — | — |
| Westbrook Southwest Unit #151042-335-34589 | Grayrock Energy II LLC | Mitchell, TXWestbrook | Shut inOil | 3,293 | Apr 5, 2006 | — | — |
| Westbrook Southwest Unit #81242-335-34590 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveOil | 3,320 | Apr 5, 2006 | — | — |
| Westbrook Southwest Unit #12442-335-34591 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveOil | 3,296 | Apr 5, 2006 | — | — |
| Westbrook Southwest Unit #13842-335-34592 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveOil | 3,300 | Apr 5, 2006 | — | — |
| Westbrook Southwest Unit #311AW42-335-34593 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveInjection | 3,298 | Apr 5, 2006 | — | — |
| Westbrook Southwest Unit #45242-335-34594 | Grayrock Energy II LLC | Mitchell, TXWestbrook | Shut inOil | 3,292 | Apr 5, 2006 | — | — |
| Davis B #760942-417-38580 | Grayrock Energy II LLC | Shackelford, TXWindham West (3400) | Temporarily abandonedGas | 4,012 | Mar 31, 2006 | — | — |
| Davis #490142-417-38577 | Grayrock Energy II LLC | Shackelford, TXWindham West (3400) | Shut inOil | 4,000 | Mar 15, 2006 | — | — |
| Sears Amy Unit #1842-253-03194 | Grayrock Energy II LLC | Jones, TXBartlett East | PluggedOil | 3,999 | Mar 9, 2006 | — | — |