| Snyder Susie B. #275642-227-35383 | Grayrock Energy II LLC | Howard, TXSnyder | ActiveOil | 2,990 | Oct 1, 1999 | — | — |
| Snyder Susie B. #274842-227-35384 | Grayrock Energy II LLC | Howard, TXSnyder | ActiveOil | 3,000 | Oct 1, 1999 | — | — |
| Snyder Susie B. #204142-227-35378 | Grayrock Energy II LLC | Howard, TXSnyder | Shut inOil | 3,000 | Sep 24, 1999 | — | — |
| Snyder Susie B. #273142-227-35379 | Grayrock Energy II LLC | Howard, TXSnyder | Shut inOil | 3,030 | Sep 22, 1999 | — | — |
| Snyder Susie B. #203142-227-35372 | Grayrock Energy II LLC | Howard, TXSnyder | ActiveOil | 2,907 | Sep 17, 1999 | — | — |
| Snyder Susie B. #205842-227-35373 | Grayrock Energy II LLC | Howard, TXSnyder | ActiveOil | 2,800 | Sep 17, 1999 | — | — |
| Snyder Susie B. #204242-227-35374 | Grayrock Energy II LLC | Howard, TXSnyder | ActiveOil | 3,015 | Sep 17, 1999 | — | — |
| Kloh #1W42-227-02945 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | PluggedOil | 2,500 | Aug 13, 1999 | — | — |
| Kloh #2142-227-31547 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | Shut inOil | 2,633 | Aug 13, 1999 | — | — |
| Kloh #4842-227-35359 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | Shut inOil | 3,200 | Aug 13, 1999 | — | — |
| Kloh #5942-227-35360 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | Shut inOil | 3,200 | Aug 13, 1999 | — | — |
| Kloh #2442-227-31546 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | Shut inOil | 2,685 | Aug 11, 1999 | — | — |
| Kloh #15W42-173-00500 | Grayrock Energy II LLC | Glasscock, TXHoward Glasscock (Consolidated) | Shut inOil | 2,400 | Aug 10, 1999 | — | — |
| Snyder Susie B. #276842-227-35346 | Grayrock Energy II LLC | Howard, TXSnyder | ActiveOil | 3,350 | Jun 22, 1999 | — | — |
| Snyder Susie B. #274242-227-35347 | Grayrock Energy II LLC | Howard, TXSnyder | ActiveOil | 3,290 | Jun 22, 1999 | — | — |
| Snyder Susie B. #201342-227-35343 | Grayrock Energy II LLC | Howard, TXSnyder | Shut inOil | 3,042 | Jun 18, 1999 | — | — |
| Snyder Susie B. #271642-227-35345 | Grayrock Energy II LLC | Howard, TXSnyder | ActiveOil | 3,283 | Jun 18, 1999 | — | — |
| Hutchings J. Unit #842-401-32931 | Grayrock Energy II LLC | Rusk, TXOak Hill (Cotton Valley) | ActiveGas | 10,605 | May 25, 1999 | — | — |
| Hutchings J. Unit #742-401-32932 | Grayrock Energy II LLC | Rusk, TXOak Hill (Cotton Valley) | ActiveGas | 10,600 | May 25, 1999 | — | — |
| Hutchings J. Unit #442-401-32926 | Grayrock Energy II LLC | Rusk, TXOak Hill (Cotton Valley) | ActiveGas | 10,590 | Apr 12, 1999 | — | — |
| Hutchings J. Unit #642-401-32927 | Grayrock Energy II LLC | Rusk, TXOak Hill (Cotton Valley) | ActiveGas | 10,590 | Apr 12, 1999 | — | — |
| Hutchings J. Unit #542-401-32928 | Grayrock Energy II LLC | Rusk, TXOak Hill (Cotton Valley) | ActiveGas | 10,595 | Apr 12, 1999 | — | — |
| Hutchings J. Unit #242-401-32919 | Grayrock Energy II LLC | Rusk, TXOak Hill (Cotton Valley) | ActiveGas | 10,620 | Feb 11, 1999 | — | — |
| Hutchings J. Unit #342-401-32920 | Grayrock Energy II LLC | Rusk, TXOak Hill (Cotton Valley) | ActiveGas | 10,590 | Feb 11, 1999 | — | — |
| Chalk Otis /EO/ #1W42-227-35322 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | Shut inOil | 3,360 | Nov 20, 1998 | — | — |
| Minor A. Gas Unit #742-401-32901 | Grayrock Energy II LLC | Rusk, TXOak Hill (Cotton Valley) | ActiveGas | 10,585 | Oct 12, 1998 | — | — |
| Minor A. Gas Unit #842-401-32902 | Grayrock Energy II LLC | Rusk, TXOak Hill (Cotton Valley) | ActiveGas | 10,565 | Oct 8, 1998 | — | — |
| Guy Ranch #2742-417-00356 | Grayrock Energy II LLC | Shackelford, TXEdgar Davis (Morris) | PluggedOil | 4,004 | Sep 2, 1998 | — | — |
| Minor A. Gas Unit #542-401-32884 | Grayrock Energy II LLC | Rusk, TXOak Hill (Cotton Valley) | ActiveGas | 10,560 | Jul 17, 1998 | — | — |
| Minor A. Gas Unit #442-401-32873 | Grayrock Energy II LLC | Rusk, TXOak Hill (Cotton Valley) | ActiveGas | 10,550 | May 28, 1998 | — | — |
| Clay #3WI42-227-30056 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | Shut inOil | 3,330 | May 5, 1998 | — | — |
| Jones -G- #342-433-01118 | Grayrock Energy II LLC | Stonewall, TXGuest (Canyon Sand) | Shut inOil | 5,266 | Apr 14, 1998 | — | — |
| Frymire Waterflood Unit #19A42-353-32621 | Grayrock Energy II LLC | Nolan, TXLake Trammel W. (Canyon) | PluggedOil | 5,350 | Apr 9, 1998 | — | — |
| Frymire Waterflood Unit #2042-353-32620 | Grayrock Energy II LLC | Nolan, TXLake Trammel W. (Canyon) | Shut inOil | 5,424 | Apr 8, 1998 | — | — |
| Minor A. Gas Unit #342-401-32856 | Grayrock Energy II LLC | Rusk, TXOak Hill (Cotton Valley) | ActiveGas | 10,578 | Apr 8, 1998 | — | — |
| Chalk G. O. #2742-227-35309 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | ActiveOil | 2,400 | Apr 1, 1998 | — | — |
| Douthit E. W. -C- de #142-227-00953 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | ActiveOil | 3,103 | Mar 20, 1998 | — | — |
| Kloh #4942-227-35307 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | Shut inOil | 2,600 | Mar 18, 1998 | — | — |
| Kloh #43U42-227-35290 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | Shut inOil | 2,600 | Feb 19, 1998 | — | — |
| Kloh #42U42-227-35291 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | ActiveInjection | 2,600 | Feb 19, 1998 | — | — |
| Kloh #41U42-227-35292 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | PluggedOil | 2,900 | Feb 19, 1998 | — | — |
| Kloh #4642-227-35289 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | Shut inOil | 2,600 | Feb 18, 1998 | — | — |
| Kloh #45L42-227-35284 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | ActiveInjection | 2,600 | Feb 12, 1998 | — | — |
| Kloh #44U42-227-35285 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | ActiveInjection | 2,600 | Feb 12, 1998 | — | — |
| Chalk G. O. #2642-227-30381 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | PluggedOil | 3,000 | Feb 4, 1998 | — | — |
| Chalk -a- #1542-227-10953 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | Shut inOil | 3,210 | Jan 16, 1998 | — | — |
| Chalk -a- #1242-227-02502 | Grayrock Energy II LLC | Howard, TXHoward Glasscock (Consolidated) | ActiveOil | 3,240 | Jan 15, 1998 | — | — |
| Morrison -G- #3042-335-33996 | Grayrock Energy II LLC | Mitchell, TXWestbrook | ActiveOil | 3,300 | Nov 25, 1997 | — | — |
| Morrison -G- #2342-335-33998 | Grayrock Energy II LLC | Mitchell, TXWestbrook | PluggedOil | 3,500 | Nov 25, 1997 | — | — |
| Morrison -G- #2842-335-34000 | Grayrock Energy II LLC | Mitchell, TXWestbrook | PluggedOil | 3,500 | Nov 25, 1997 | — | — |