| 727079 | Oct 31, 2011 | Oct 31, 2011 | Cambrian Management, Ltd. | W.R. Satterwhite #1 | 9,667 | 22732597 |
| 727022 | Oct 28, 2011 | Oct 28, 2011 | Manhattan Petroleum, Inc. | Broughton Farms 24 #1 | 11,000 | 22736789 |
| 727022Amendment | Oct 28, 2011 | Oct 28, 2011 | Big Star Oil & Gas, LLC | Broughton Farms 24 #1 | 6,000 | 22736789 |
| 724771 | Oct 25, 2011 | Oct 25, 2011 | Conocophillips Company | Chalk G. O. -D- #28 | 4,600 | 22736473 |
| 726535 | Oct 24, 2011 | Oct 24, 2011 | Conocophillips Company | Chalk, G. O. C #30 | 4,500 | 22736451 |
| 726245 | Oct 20, 2011 | Oct 20, 2011 | Clear Water Inc. | Ray C #1 | 7,000 | 22736788 |
| 723301 | Oct 20, 2011 | Oct 20, 2011 | Cobra Oil & Gas Corporation | Roman 20 #1 | 12,000 | 22736747 |
| 726128 | Oct 19, 2011 | Oct 19, 2011 | Endeavor Energy Resources L.P. | Harland '31' #1 | 12,000 | 22736787 |
| 726034 | Oct 17, 2011 | Oct 17, 2011 | Legacy Reserves Operating LP | Otis, John -B- #5 | 3,820 | 22734145 |
| 725810 | Oct 14, 2011 | Oct 14, 2011 | Manhattan Petroleum, Inc. | Weaver 24 #2 | 11,000 | 22736786 |
| 726014 | Oct 13, 2011 | Oct 13, 2011 | Linn Operating, Inc. | Fryar 4 #4 N | 12,000 | 22736784 |
| 726014Amendment | Oct 13, 2011 | Oct 13, 2011 | Linn Operating, Inc. | Fryar 4 #4 N | 12,000 | 22736784 |
| 722937 | Oct 13, 2011 | Oct 13, 2011 | Linn Operating, Inc. | Joe Don 48 #1 | 11,900 | 22736741 |
| 726015 | Oct 12, 2011 | Oct 12, 2011 | Linn Operating, Inc. | Fryar 4 #4 I | 12,000 | 22736785 |
| 726015Amendment | Oct 12, 2011 | Oct 12, 2011 | Linn Operating, Inc. | Fryar 4 #4 I | 12,000 | 22736785 |
| 726015Amendment | Oct 12, 2011 | Oct 12, 2011 | Linn Operating, Inc. | Fryar 4 #4 I | 12,000 | 22736785 |
| 726009 | Oct 12, 2011 | Oct 12, 2011 | Trilogy Operating, Inc. | West #1 | 11,000 | 22736782 |
| 726008 | Oct 12, 2011 | Oct 12, 2011 | Trilogy Operating, Inc. | Walker #1 | 11,000 | 22736783 |
| 725988 | Oct 11, 2011 | Oct 11, 2011 | Trilogy Operating, Inc. | Cheek #1 | 11,000 | 22736781 |
| 725718 | Oct 7, 2011 | Oct 7, 2011 | Pioneer Natural Res. USA, Inc. | Miller '1' #2 | 11,160 | 22736779 |
| 724551 | Oct 7, 2011 | Oct 7, 2011 | Cobra Oil & Gas Corporation | Adams 38 #2H | 8,000 | 22736049 |
| 724551Amendment | Oct 7, 2011 | Oct 7, 2011 | Cobra Oil & Gas Corporation | Adams 38 #2HH | 8,000 | 22736049 |
| 725654 | Oct 6, 2011 | Oct 6, 2011 | Element Petroleum Operating, LLC | Ward 22A #3 | 11,000 | 22736778 |
| 725636 | Oct 6, 2011 | Oct 6, 2011 | Nadel and Gussman Permian,l.l.c. | Stallings- Adkins 37 Fee #2 | 11,000 | 22736780 |
| 725468 | Oct 4, 2011 | Oct 4, 2011 | Big Star Oil & Gas, LLC | CR-21 #1 | 11,000 | 22736205 |
| 725101 | Oct 3, 2011 | Oct 3, 2011 | Crownquest Operating, LLC | Highway Unit #1 | 3,800 | 22732540 |
| 725287 | Sep 30, 2011 | Sep 30, 2011 | Big Star Oil & Gas, LLC | Live Oak #1 | 12,000 | 22736777 |
| 725201 | Sep 30, 2011 | Sep 30, 2011 | Endeavor Energy Resources L.P. | Broughton '30' #1 | 12,000 | 22736775 |
| 725068 | Sep 30, 2011 | Sep 30, 2011 | Crownquest Operating, LLC | Guitar Galusha #2 | 11,900 | 22736776 |
| 724925 | Sep 29, 2011 | Sep 29, 2011 | Crownquest Operating, LLC | F Phillips 18 #1 | 11,900 | 22736774 |
| 724924 | Sep 29, 2011 | Sep 29, 2011 | Crownquest Operating, LLC | Elrod Unit 10 #2 | 11,900 | 22736773 |
| 724923 | Sep 29, 2011 | Sep 29, 2011 | Crownquest Operating, LLC | Elrod Unit 10 #1 | 11,900 | 22736772 |
| 725046 | Sep 28, 2011 | Sep 28, 2011 | Meritage Energy Company, LLC | Broughton #1544 | 10,500 | 22736771 |
| 724964 | Sep 27, 2011 | Sep 27, 2011 | Apache Corporation | Cathey 16A #3 | 9,800 | 22736769 |
| 724964Amendment | Sep 27, 2011 | Sep 27, 2011 | Apache Corporation | Cathey 16A #3 | 9,800 | 22736769 |
| 724936 | Sep 27, 2011 | Sep 27, 2011 | Endeavor Energy Resources L.P. | W K "18" #1 | 12,000 | 22736768 |
| 724936Amendment | Sep 27, 2011 | Sep 27, 2011 | Endeavor Energy Resources L.P. | W K '18' #1 | 12,000 | 22736768 |
| 724661 | Sep 23, 2011 | Sep 23, 2011 | Meritage Energy Company, LLC | Clark #3242 | 10,600 | 22736766 |
| 724661Amendment | Sep 23, 2011 | Sep 23, 2011 | Three Rivers Operating Co II LLC | Clark #3242 | 10,600 | 22736766 |
| 724661Amendment | Sep 23, 2011 | Sep 23, 2011 | Three Rivers Operating Co II LLC | Clark #3242 | 10,600 | 22736766 |
| 724378 | Sep 23, 2011 | Sep 23, 2011 | Shenandoah Petroleum Corporation | Golden Bend 34 #3 | 7,917 | 22700103 |
| 724638 | Sep 22, 2011 | Sep 22, 2011 | Meritage Energy Company, LLC | Broughton #1542 | 10,500 | 22736767 |
| 724432 | Sep 21, 2011 | Sep 21, 2011 | Endeavor Energy Resources L.P. | Guitar '4' #2 | 12,000 | 22736765 |
| 724404 | Sep 21, 2011 | Sep 21, 2011 | Endeavor Energy Resources L.P. | Harrell '33' #1 | 12,000 | 22736763 |
| 724247 | Sep 21, 2011 | Sep 21, 2011 | Element Petroleum Operating, LLC | Bigony 48 #1 | 11,000 | 22736764 |
| 724067 | Sep 20, 2011 | Sep 20, 2011 | Element Petroleum Operating, LLC | Long 14 #1 | 11,000 | 22736762 |
| 724029 | Sep 20, 2011 | Sep 20, 2011 | Meritage Energy Company, LLC | Fryar #3143 | 10,600 | 22736761 |
| 724029Amendment | Sep 20, 2011 | Sep 20, 2011 | Three Rivers Operating Co II LLC | Fryar #3143 | 10,600 | 22736761 |
| 724024 | Sep 20, 2011 | Sep 20, 2011 | Meritage Energy Company, LLC | Fryar #3123 | 10,600 | 22736760 |
| 724020 | Sep 20, 2011 | Sep 20, 2011 | Meritage Energy Company, LLC | Fryar #3113 | 10,600 | 22736759 |
| 724020Amendment | Sep 20, 2011 | Sep 20, 2011 | Three Rivers Operating Co II LLC | Fryar #3113 | 10,600 | 22736759 |
| 723870 | Sep 19, 2011 | Sep 19, 2011 | Element Petroleum Operating, LLC | Guitar 14 #1 | 11,000 | 22736755 |
| 724013 | Sep 14, 2011 | Sep 14, 2011 | Clear Water Inc. | Hamlin 26 #2 | 11,000 | 22736758 |
| 723990 | Sep 13, 2011 | Sep 13, 2011 | Meritage Energy Company, LLC | Adams Legacy #4743 | 10,600 | 22736756 |
| 723984 | Sep 13, 2011 | Sep 13, 2011 | Linn Operating, Inc. | Loudamy 45 #45 P | 12,000 | 22736754 |
| 723983 | Sep 13, 2011 | Sep 13, 2011 | Linn Operating, Inc. | Loudamy 45 #45 L | 12,000 | 22736753 |
| 723976 | Sep 13, 2011 | Sep 13, 2011 | Linn Operating, Inc. | Talbot 5 #5 E | 11,000 | 22736757 |
| 723829 | Sep 9, 2011 | Sep 9, 2011 | Endeavor Energy Resources L.P. | Witherspoon '3' #1 | 12,000 | 22736752 |
| 723758 | Sep 8, 2011 | Sep 8, 2011 | Laredo Petroleum, Inc. | J.L.G.11 #1 | 11,000 | 22736751 |
| 723738 | Sep 8, 2011 | Sep 8, 2011 | Laredo Petroleum, Inc. | J.E.W. 10 #1 | 11,000 | 22736750 |
| 723738Amendment | Sep 8, 2011 | Sep 8, 2011 | Laredo Petroleum, Inc. | J.E.W. 10 #1 | 11,000 | 22736750 |
| 723689 | Sep 8, 2011 | Sep 8, 2011 | Laredo Petroleum, Inc. | Lazy E 7 #1 | 11,000 | 22736748 |
| 723689Amendment | Sep 8, 2011 | Sep 8, 2011 | Laredo Petroleum, Inc. | Lazy E 7 #1 | 11,000 | 22736748 |
| 723479 | Sep 8, 2011 | Sep 8, 2011 | Crownquest Operating, LLC | Allar 1 #2 | 11,900 | 22736744 |
| 723233 | Sep 8, 2011 | Sep 8, 2011 | Linn Operating, Inc. | Fryar 4 #4 | 11,000 | 22736749 |
| 723594 | Sep 7, 2011 | Sep 7, 2011 | Meritage Energy Company, LLC | Hall Trust #1311 | 10,500 | 22736745 |
| 723300 | Sep 7, 2011 | Sep 7, 2011 | Cobra Oil & Gas Corporation | Fryar 2 #1 | 12,000 | 22736746 |
| 721330 | Sep 7, 2011 | Sep 7, 2011 | Cobra Oil & Gas Corporation | McNew 28 #1 | 9,000 | 22734937 |
| 723302 | Sep 3, 2011 | Sep 3, 2011 | Cobra Oil & Gas Corporation | McNew 28A #6 | 12,000 | 22736743 |
| 723187 | Aug 31, 2011 | Aug 31, 2011 | Meritage Energy Company, LLC | Adams #4211 | 10,600 | 22736420 |
| 723181 | Aug 31, 2011 | Aug 31, 2011 | Meritage Energy Company, LLC | Adams Legacy #4723 | 10,600 | 22736500 |
| 723180 | Aug 31, 2011 | Aug 31, 2011 | Meritage Energy Company, LLC | McKenzie #3933 | 10,600 | 22736494 |
| 719326 | Aug 31, 2011 | Aug 31, 2011 | Element Petroleum Operating, LLC | Newton 9-4 #4 | 11,000 | 22736698 |
| 719324 | Aug 31, 2011 | Aug 31, 2011 | Element Petroleum Operating, LLC | Newton 9-3 #3 | 11,000 | 22736697 |
| 723150 | Aug 30, 2011 | Aug 30, 2011 | Partee Drilling Inc. | Snell #3601 | 10,500 | 22736742 |
| 722816 | Aug 29, 2011 | Aug 29, 2011 | Endeavor Energy Resources L.P. | McGregor '14A' #2 | 12,000 | 22736739 |
| 722879 | Aug 26, 2011 | Aug 26, 2011 | Linn Operating, Inc. | Elrod Stewart 10 #10 P | 12,500 | 22736740 |
| 722879Amendment | Aug 26, 2011 | Aug 26, 2011 | Linn Operating, Inc. | Elrod Stewart 10 #10 P | 12,500 | 22736740 |
| 722797 | Aug 26, 2011 | Aug 26, 2011 | Mak-J Energy Partners(tx),ltd. | JP Hamlin #1609 | 10,500 | 22736737 |
| 722640 | Aug 24, 2011 | Aug 24, 2011 | Endeavor Energy Resources L.P. | Shaw "11" #2 | 12,000 | 22736738 |
| 722812 | Aug 23, 2011 | Aug 23, 2011 | Trilogy Operating, Inc. | Martin #2 | 11,000 | 22736736 |
| 722612 | Aug 22, 2011 | Aug 22, 2011 | Endeavor Energy Resources L.P. | Shaw '19' #1 | 12,000 | 22736735 |
| 722216 | Aug 19, 2011 | Aug 19, 2011 | Crownquest Operating, LLC | Beall SW 18 #3 | 11,900 | 22736731 |
| 722216Amendment | Aug 19, 2011 | Aug 19, 2011 | Breitburn Operating L.P. | Beall SW 18 #3 | 11,900 | 22736731 |
| 722213 | Aug 19, 2011 | Aug 19, 2011 | Crownquest Operating, LLC | Beall NE 18 #5 | 11,900 | 22736730 |
| 721960 | Aug 18, 2011 | Aug 18, 2011 | Crownquest Operating, LLC | Roosevelt Patsy 19 #2 | 11,900 | 22736733 |
| 721940 | Aug 18, 2011 | Aug 18, 2011 | Crownquest Operating, LLC | Phillips F 19 #1 | 11,900 | 22736729 |
| 721939 | Aug 18, 2011 | Aug 18, 2011 | Crownquest Operating, LLC | WF Davis 41 #1 | 11,900 | 22736732 |
| 722313 | Aug 17, 2011 | Aug 17, 2011 | Meritage Energy Company, LLC | Donelson 'B' #3721 | 10,600 | 22736728 |
| 722308 | Aug 17, 2011 | Aug 17, 2011 | Trilogy Operating, Inc. | Boa 12 #1 | 12,000 | 22736727 |
| 721542 | Aug 12, 2011 | Aug 12, 2011 | Linn Operating, Inc. | Lindsay 5 #5C | 11,300 | 22736526 |
| 722004 | Aug 11, 2011 | Aug 11, 2011 | Apache Corporation | Reed 6 #1 | 9,700 | 22736726 |
| 722004Amendment | Aug 11, 2011 | Aug 11, 2011 | Apache Corporation | Reed 6 #1 | 9,700 | 22736726 |
| 721754 | Aug 9, 2011 | Aug 9, 2011 | Meritage Energy Company, LLC | Patterson #2732 | 10,500 | 22736725 |
| 721754Amendment | Aug 9, 2011 | Aug 9, 2011 | Meritage Energy Company, LLC | Patterson #2732 | 10,500 | 22736725 |
| 721745 | Aug 9, 2011 | Aug 9, 2011 | Meritage Energy Company, LLC | Love #1113 | 10,500 | 22736724 |
| 721713 | Aug 8, 2011 | Aug 8, 2011 | Ops Group Limited | Crenshaw 28 #1 | 10,400 | 22736723 |
| 721713Amendment | Aug 8, 2011 | Aug 8, 2011 | Ops Group Limited | Crenshaw 28 #1 | 10,400 | 22736723 |
| 721547 | Aug 5, 2011 | Aug 5, 2011 | Big Star Oil & Gas, LLC | Coyote #1 | 12,000 | 22736722 |
| 721547Amendment | Aug 5, 2011 | Aug 5, 2011 | Big Star Oil & Gas, LLC | Coyote #1 | 12,000 | 22736722 |