| 706632 | Dec 13, 2010 | Dec 13, 2010 | Anadarko E&P Company LP | Rancho Encantado #3HH | 9,100 | 12733833 |
| 706554 | Dec 10, 2010 | Dec 10, 2010 | Chesapeake Operating, Inc. | Allee Unit A #1HH | 9,000 | 12733832 |
| 706450 | Dec 9, 2010 | Dec 9, 2010 | Chesapeake Operating, Inc. | Allee Unit D #1HH | 9,000 | 12733831 |
| 706347 | Dec 8, 2010 | Dec 8, 2010 | Chesapeake Operating, Inc. | Lazy a Cotulla #E 2HH | 9,000 | 12733830 |
| 706347Amendment | Dec 8, 2010 | Dec 8, 2010 | Chesapeake Operating, Inc. | Lazy a Cotulla #E 2HH | 9,000 | 12733830 |
| 706160 | Dec 6, 2010 | Dec 6, 2010 | Anadarko E&P Company LP | Briscoe Catarina North #9HH | 8,800 | 12733829 |
| 706175 | Dec 3, 2010 | Dec 3, 2010 | Anadarko E&P Company LP | South Spur State #4HH | 7,700 | 12733828 |
| 706169 | Dec 3, 2010 | Dec 3, 2010 | Anadarko E&P Company LP | South Spur State #3HH | 7,700 | 12733827 |
| 706156 | Dec 3, 2010 | Dec 3, 2010 | Anadarko E&P Company LP | Briscoe Catarina North #8HH | 8,800 | 12733826 |
| 706154 | Dec 3, 2010 | Dec 3, 2010 | Anadarko E&P Company LP | Briscoe Catarina North #7HH | 8,800 | 12733825 |
| 705904 | Nov 29, 2010 | Nov 29, 2010 | Chesapeake Operating, Inc. | Lazy a Cotulla #E 4HH | 9,000 | 12733824 |
| 705904Amendment | Nov 29, 2010 | Nov 29, 2010 | Chesapeake Operating, Inc. | Lazy a Cotulla #E 4HH | 9,000 | 12733824 |
| 705902 | Nov 29, 2010 | Nov 29, 2010 | Chesapeake Operating, Inc. | Lazy a Cotulla #D 3HH | 9,000 | 12733823 |
| 705902Amendment | Nov 29, 2010 | Nov 29, 2010 | Chesapeake Operating, Inc. | Lazy a Cotulla #D 3HH | 9,000 | 12733823 |
| 705902Amendment | Nov 29, 2010 | Nov 29, 2010 | Chesapeake Operating, Inc. | Lazy a Cotulla #D 3HH | 9,000 | 12733823 |
| 705902Amendment | Nov 29, 2010 | Nov 29, 2010 | Chesapeake Operating, Inc. | Lazy a Cotulla #D 3HH | 9,000 | 12733823 |
| 705901 | Nov 29, 2010 | Nov 29, 2010 | Chesapeake Operating, Inc. | Lazy a Cotulla #D 1HH | 9,000 | 12733822 |
| 705901Amendment | Nov 29, 2010 | Nov 29, 2010 | Chesapeake Operating, Inc. | Lazy a Cotulla #D 1HH | 9,000 | 12733822 |
| 705901Amendment | Nov 29, 2010 | Nov 29, 2010 | Chesapeake Operating, Inc. | Lazy a Cotulla #D 1HH | 9,000 | 12733822 |
| 705713Amendment | Nov 23, 2010 | Nov 23, 2010 | El Paso E & P Company, L. P. | Ritchie Farms #6HH | 8,000 | 12733821 |
| 705713Amendment | Nov 23, 2010 | Nov 23, 2010 | El Paso E & P Company, L. P. | Ritchie Farms #6HH | 8,000 | 12733821 |
| 705710 | Nov 23, 2010 | Nov 23, 2010 | El Paso E & P Company, L. P. | Ritchie Farms #4HH | 8,000 | 12733820 |
| 705710Amendment | Nov 23, 2010 | Nov 23, 2010 | El Paso E & P Company, L. P. | Ritchie Farms #4HH | 8,000 | 12733820 |
| 705641 | Nov 22, 2010 | Nov 22, 2010 | Anadarko E&P Company LP | Diamond H Ranch #3HH | 8,800 | 12733819 |
| 705606 | Nov 22, 2010 | Nov 22, 2010 | Chesapeake Operating, Inc. | Luffel #2HH | 16,000 | 12733818 |
| 705542 | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #10HH | 12,000 | 12733817 |
| 705542Amendment | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #10HH | 12,000 | 12733817 |
| 705522 | Nov 19, 2010 | Nov 19, 2010 | CML Exploration, LLC | Ruth #1H | 6,900 | 12733816 |
| 705522Amendment | Nov 19, 2010 | Nov 19, 2010 | CML Exploration, LLC | Ruth #1H | 6,900 | 12733816 |
| 705485 | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #9HH | 12,000 | 12733815 |
| 705485Amendment | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #9HH | 12,000 | 12733815 |
| 705485Amendment | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #9HH | 12,000 | 12733815 |
| 705485Amendment | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #9HH | 12,000 | 12733815 |
| 705483 | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #8HH | 12,000 | 12733813 |
| 705483Amendment | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #8HH | 12,000 | 12733813 |
| 705483Amendment | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #8HH | 12,000 | 12733813 |
| 705483Amendment | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #8HH | 12,000 | 12733813 |
| 705483Amendment | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #8HH | 12,000 | 12733813 |
| 705481 | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #7HH | 12,000 | 12733814 |
| 705481Amendment | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #7HH | 12,000 | 12733814 |
| 705481Amendment | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #7HH | 12,000 | 12733814 |
| 705481Amendment | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #7HH | 12,000 | 12733814 |
| 705403 | Nov 19, 2010 | Nov 19, 2010 | Chesapeake Operating, Inc. | Voltz Unit B #2HH | 14,000 | 12733812 |
| 705359 | Nov 17, 2010 | Nov 17, 2010 | CML Exploration, LLC | Lansford #1H | 6,900 | 12733811 |
| 705359Amendment | Nov 17, 2010 | Nov 17, 2010 | CML Exploration, LLC | Lansford #1H | 6,900 | 12733811 |
| 705121 | Nov 15, 2010 | Nov 15, 2010 | Chesapeake Operating, Inc. | Voltz Unit B #1HH | 14,000 | 12733810 |
| 705121Amendment | Nov 15, 2010 | Nov 15, 2010 | Chesapeake Operating, Inc. | Voltz Unit B #1HH | 14,000 | 12733810 |
| 705073 | Nov 12, 2010 | Nov 12, 2010 | Anadarko E&P Company LP | La Bandera Ranch #5HH | 7,500 | 12733809 |
| 704856 | Nov 8, 2010 | Nov 8, 2010 | Chesapeake Operating, Inc. | Pistol Unit #1HH | 9,000 | 12733808 |
| 704856Amendment | Nov 8, 2010 | Nov 8, 2010 | Chesapeake Operating, Inc. | Pistol Unit #1HH | 9,000 | 12733808 |
| 704855 | Nov 8, 2010 | Nov 8, 2010 | Anadarko E&P Company LP | Briscoe Catarina North #6HH | 8,800 | 12733806 |
| 704853 | Nov 8, 2010 | Nov 8, 2010 | Anadarko E&P Company LP | Briscoe Catarina North #5HH | 8,800 | 12733805 |
| 704852 | Nov 8, 2010 | Nov 8, 2010 | Anadarko E&P Company LP | Briscoe Catarina North #4HH | 8,800 | 12733804 |
| 704819 | Nov 5, 2010 | Nov 5, 2010 | Killam Oil Co., Ltd. | Dimmit S-4 #2HH | 7,000 | 12733807 |
| 704706 | Nov 4, 2010 | Nov 4, 2010 | Chesapeake Operating, Inc. | Pena Creek I #5HH | 14,000 | 12733803 |
| 704505 | Nov 2, 2010 | Nov 2, 2010 | Chesapeake Operating, Inc. | NHL #1HH | 14,000 | 12733802 |
| 704436 | Oct 29, 2010 | Oct 29, 2010 | Anadarko E&P Company LP | Briscoe Catarina West #9HH | 8,500 | 12733801 |
| 704222 | Oct 26, 2010 | Oct 26, 2010 | Chesapeake Operating, Inc. | Light #C 2HH | 9,000 | 12733799 |
| 704222Amendment | Oct 26, 2010 | Oct 26, 2010 | Chesapeake Operating, Inc. | Light #C 2HH | 9,000 | 12733799 |
| 704219 | Oct 26, 2010 | Oct 26, 2010 | Chesapeake Operating, Inc. | Light #C 4HH | 9,000 | 12733800 |
| 704219Amendment | Oct 26, 2010 | Oct 26, 2010 | Chesapeake Operating, Inc. | Light #C 4HH | 9,000 | 12733800 |
| 704218 | Oct 26, 2010 | Oct 26, 2010 | Chesapeake Operating, Inc. | Light #B 2HH | 9,000 | 12733798 |
| 704218Amendment | Oct 26, 2010 | Oct 26, 2010 | Chesapeake Operating, Inc. | Light #B 2HH | 9,000 | 12733798 |
| 704216 | Oct 26, 2010 | Oct 26, 2010 | Chesapeake Operating, Inc. | Light #B 4HH | 9,000 | 12733797 |
| 704216Amendment | Oct 26, 2010 | Oct 26, 2010 | Chesapeake Operating, Inc. | Light #B 4HH | 9,000 | 12733797 |
| 704137 | Oct 25, 2010 | Oct 25, 2010 | Chesapeake Operating, Inc. | Circle T Unit A #1HH | 14,000 | 12733796 |
| 704137Amendment | Oct 25, 2010 | Oct 25, 2010 | Chesapeake Operating, Inc. | Circle T Unit A #1HH | 14,000 | 12733796 |
| 703978 | Oct 22, 2010 | Oct 22, 2010 | Chesapeake Operating, Inc. | Circle T Ranch Unit A #1HH | 14,000 | 12733795 |
| 703911 | Oct 21, 2010 | Oct 21, 2010 | Chesapeake Operating, Inc. | Light #A 2HH | 9,000 | 12733794 |
| 703911Amendment | Oct 21, 2010 | Oct 21, 2010 | Chesapeake Operating, Inc. | Light #A 2HH | 9,000 | 12733794 |
| 703863 | Oct 20, 2010 | Oct 20, 2010 | Chesapeake Operating, Inc. | Light #A 1HH | 9,000 | 12733793 |
| 703863Amendment | Oct 20, 2010 | Oct 20, 2010 | Chesapeake Operating, Inc. | Light #A 1HH | 9,000 | 12733793 |
| 703669 | Oct 15, 2010 | Oct 15, 2010 | Anadarko E&P Company LP | Briscoe Catarina Ranch #18HH | 8,800 | 12733792 |
| 703669Amendment | Oct 15, 2010 | Oct 15, 2010 | Anadarko E&P Company LP | Briscoe Catarina Ranch #18HH | 7,886 | 12733792 |
| 703667 | Oct 15, 2010 | Oct 15, 2010 | Anadarko E&P Company LP | Briscoe Catarina Ranch #17HH | 8,800 | 12733791 |
| 703667Amendment | Oct 15, 2010 | Oct 15, 2010 | Anadarko E&P Company LP | Briscoe Catarina Ranch #17HH | 7,901 | 12733791 |
| 703666 | Oct 15, 2010 | Oct 15, 2010 | Anadarko E&P Company LP | Briscoe Catarina Ranch #16HH | 8,800 | 12733790 |
| 703629 | Oct 14, 2010 | Oct 14, 2010 | Riley Exploration, LLC | Baggett, John B #7HH | 7,900 | 12733789 |
| 703629Amendment | Oct 14, 2010 | Oct 14, 2010 | Riley Exploration, LLC | Baggett, John B #7HH | 7,900 | 12733789 |
| 703488 | Oct 13, 2010 | Oct 13, 2010 | CML Exploration, LLC | Bond #1H | 7,000 | 12733788 |
| 703488Amendment | Oct 13, 2010 | Oct 13, 2010 | CML Exploration, LLC | Bond #1H | 7,000 | 12733788 |
| 703482 | Oct 12, 2010 | Oct 12, 2010 | Chesapeake Operating, Inc. | Light #A 3HH | 9,000 | 12733787 |
| 703482Amendment | Oct 12, 2010 | Oct 12, 2010 | Chesapeake Operating, Inc. | Light #A 3HH | 9,000 | 12733787 |
| 703458 | Oct 12, 2010 | Oct 12, 2010 | Anadarko E&P Company LP | Diamond H State #3HH | 8,900 | 12733786 |
| 703458Amendment | Oct 12, 2010 | Oct 12, 2010 | Anadarko E&P Company LP | Diamond H State #3HH | 8,900 | 12733786 |
| 703429 | Oct 12, 2010 | Oct 12, 2010 | Killam Oil Co., Ltd. | Brymer Unit #1STH | 7,300 | 12733039 |
| 703328 | Oct 12, 2010 | Oct 12, 2010 | Anadarko E&P Company LP | Briscoe Catarina South #3HH | 8,500 | 12733785 |
| 703326 | Oct 12, 2010 | Oct 12, 2010 | Anadarko E&P Company LP | Briscoe Catarina South #2HH | 8,500 | 12733784 |
| 703325 | Oct 12, 2010 | Oct 12, 2010 | Anadarko E&P Company LP | Briscoe Catarina South #1HH | 8,500 | 12733783 |
| 703083 | Oct 4, 2010 | Oct 4, 2010 | Anadarko E&P Company LP | Briscoe Catarina Ranch #21HH | 8,800 | 12733782 |
| 703080 | Oct 4, 2010 | Oct 4, 2010 | Anadarko E&P Company LP | Briscoe Catarina Ranch #20HH | 8,800 | 12733781 |
| 703076 | Oct 4, 2010 | Oct 4, 2010 | Anadarko E&P Company LP | Briscoe Catarina Ranch #19HH | 8,800 | 12733780 |
| 703073 | Oct 4, 2010 | Oct 4, 2010 | Anadarko E&P Company LP | Briscoe Catarina West #17HH | 8,400 | 12733779 |
| 703072 | Oct 4, 2010 | Oct 4, 2010 | Anadarko E&P Company LP | Briscoe Catarina West #16HH | 8,400 | 12733778 |
| 703069 | Oct 4, 2010 | Oct 4, 2010 | Anadarko E&P Company LP | Briscoe Catarina West #15HH | 8,400 | 12733777 |
| 702958 | Oct 1, 2010 | Oct 1, 2010 | Chesapeake Operating, Inc. | Voltz Unit A #1HH | 9,000 | 12733776 |
| 702911 | Sep 30, 2010 | Sep 30, 2010 | Texas American Resources Company | Jones, E.B. "C" 16 #102HH | 7,400 | 12733775 |
| 702831 | Sep 30, 2010 | Sep 30, 2010 | Blackbrush O & G, Inc. | San Pedro Ranch #741 HH | 4,500 | 12733774 |
| 702831Amendment | Sep 30, 2010 | Sep 30, 2010 | Blackbrush O & G, Inc. | San Pedro Ranch #741 HH | 4,500 | 12733774 |
| 702828 | Sep 29, 2010 | Sep 29, 2010 | Anadarko E&P Company LP | Briscoe Chip East Ranch #3HH | 8,900 | 12733773 |