| 729090 | Dec 30, 2011 | Dec 30, 2011 | Apache Corporation | Adams 26 #11 | 11,000 | 17334644 |
| 730574 | Dec 29, 2011 | Dec 29, 2011 | Laredo Petroleum, Inc. | Bearkat #804 | 11,000 | 17334682 |
| 730311 | Dec 29, 2011 | Dec 29, 2011 | Fiml Natural Resources, LLC | Connolly #43O | 10,500 | 17334684 |
| 730311Amendment | Dec 29, 2011 | Dec 29, 2011 | Fiml Natural Resources, LLC | Connolly #43O | 10,500 | 17334684 |
| 730601 | Dec 28, 2011 | Dec 28, 2011 | Bluestem Energy Holdings, LLC | Brunson #3 | 11,000 | 17334683 |
| 730601Amendment | Dec 28, 2011 | Dec 28, 2011 | Bluestem Energy Holdings, LLC | Brunson #3 | 11,000 | 17334683 |
| 730327 | Dec 28, 2011 | Dec 28, 2011 | Apache Corporation | Walker Farms 14 #2 | 10,470 | 17333678 |
| 730503 | Dec 27, 2011 | Dec 27, 2011 | Orbit Crude, Inc. | Barbee #2 | 9,600 | 17334681 |
| 730503Amendment | Dec 27, 2011 | Dec 27, 2011 | Energen Resources Corporation | Barbee #2 | 11,000 | 17334681 |
| 730399 | Dec 23, 2011 | Dec 23, 2011 | Royalty Land & Dev. Co., Inc. | Lois Blalock #H718 | 10,800 | 17334680 |
| 730398 | Dec 23, 2011 | Dec 23, 2011 | Royalty Land & Dev. Co., Inc. | Lois Blalock #G716 | 10,800 | 17334679 |
| 730263 | Dec 22, 2011 | Dec 22, 2011 | Fiml Natural Resources, LLC | Terry a SWD #4WD | 4,000 | 17334678 |
| 730254 | Dec 22, 2011 | Dec 22, 2011 | Energen Resources Corporation | Guadalupe -48- #1WD | 6,000 | 17334677 |
| 730251 | Dec 22, 2011 | Dec 22, 2011 | Energen Resources Corporation | Neal #1WD | 6,000 | 17334676 |
| 730057 | Dec 22, 2011 | Dec 22, 2011 | Fiml Natural Resources, LLC | Terry #3A | 10,500 | 17334674 |
| 730057Amendment | Dec 22, 2011 | Dec 22, 2011 | Fiml Natural Resources, LLC | Terry #3A | 10,500 | 17334674 |
| 730235 | Dec 21, 2011 | Dec 21, 2011 | Berry Oil Comp. | Blalock A #4803 | 12,000 | 17334673 |
| 730234 | Dec 21, 2011 | Dec 21, 2011 | Berry Oil Comp. | Blalock A #4801 | 12,000 | 17334672 |
| 730233 | Dec 21, 2011 | Dec 21, 2011 | Berry Oil Comp. | Berry #2104 | 12,000 | 17334671 |
| 730114 | Dec 20, 2011 | Dec 20, 2011 | Laredo Petroleum, Inc. | Moore 25 #6HH | 11,000 | 17334668 |
| 729862 | Dec 15, 2011 | Dec 15, 2011 | Laredo Petroleum, Inc. | Seidel 43 #1 | 11,000 | 17334665 |
| 729778 | Dec 15, 2011 | Dec 15, 2011 | Apache Corporation | Hardy 18 #5 | 10,700 | 17334664 |
| 729687 | Dec 15, 2011 | Dec 15, 2011 | Thompson, J. Cleo | Abel #7 | 10,500 | 17334662 |
| 729687Amendment | Dec 15, 2011 | Dec 15, 2011 | Thompson, J. Cleo | Abel #7 | 10,500 | 17334662 |
| 729939 | Dec 14, 2011 | Dec 14, 2011 | Crownquest Operating, LLC | Abel 4 #1 | 11,900 | 17334663 |
| 729924 | Dec 14, 2011 | Dec 14, 2011 | Athlon Energy Operating LLC | Garden City 40 #7 | 11,000 | 17337091 |
| 729924Amendment | Dec 14, 2011 | Dec 14, 2011 | Athlon Energy Operating LLC | Garden City 40 #7 | 11,000 | 17337091 |
| 729923 | Dec 14, 2011 | Dec 14, 2011 | Apache Corporation | Red Snapper-Neal #1502 | 10,500 | 17334661 |
| 729917 | Dec 14, 2011 | Dec 14, 2011 | Athlon Energy Operating LLC | Garden City 40 #6 | 11,000 | 17334658 |
| 729917Amendment | Dec 14, 2011 | Dec 14, 2011 | Athlon Energy Operating LLC | Garden City 40 #6 | 11,000 | 17334658 |
| 729917Amendment | Dec 14, 2011 | Dec 14, 2011 | Athlon Energy Operating LLC | Garden City 40 #6 | 11,000 | 17334658 |
| 728615 | Dec 14, 2011 | Dec 14, 2011 | Sheridan Production Company, LLC | Glasscock, Howard W. (G-S) Unit #813 | 2,500 | 17330089 |
| 728378 | Dec 14, 2011 | Dec 14, 2011 | Apache Corporation | E D Books 11 #12 | 11,000 | 17334607 |
| 728370 | Dec 14, 2011 | Dec 14, 2011 | Apache Corporation | E D Books 11 #11 | 11,000 | 17334609 |
| 728370Amendment | Dec 14, 2011 | Dec 14, 2011 | Apache Corporation | E D Books 11 #11 | 11,000 | 17334609 |
| 728364 | Dec 14, 2011 | Dec 14, 2011 | Apache Corporation | E D Books 11 #10 | 11,000 | 17334606 |
| 729717 | Dec 13, 2011 | Dec 13, 2011 | Laredo Petroleum, Inc. | Glass 215 #1 | 11,000 | 17334660 |
| 729680 | Dec 13, 2011 | Dec 13, 2011 | Pioneer Natural Res. USA, Inc. | Stone '45' #3 | 10,700 | 17334656 |
| 729680Amendment | Dec 13, 2011 | Dec 13, 2011 | Pioneer Natural Res. USA, Inc. | Stone '45' #3 | 11,300 | 17334656 |
| 729680Amendment | Dec 13, 2011 | Dec 13, 2011 | Pioneer Natural Res. USA, Inc. | Stone '45' #3 | 11,300 | 17334656 |
| 729678 | Dec 13, 2011 | Dec 13, 2011 | Pioneer Natural Res. USA, Inc. | Lloyd '23' #2 | 10,750 | 17334655 |
| 729672 | Dec 13, 2011 | Dec 13, 2011 | Pioneer Natural Res. USA, Inc. | Hancock 'A' #3 | 10,675 | 17334657 |
| 729566 | Dec 12, 2011 | Dec 12, 2011 | Athlon FE Operating LLC | Ed Books 18 #4 | 10,300 | 17334654 |
| 729549 | Dec 12, 2011 | Dec 12, 2011 | Fiml Natural Resources, LLC | Barbee #4X | 10,500 | 17334653 |
| 729189 | Dec 10, 2011 | Dec 10, 2011 | Omar Operating Company | Jupiter #1 | 7,800 | 17333528 |
| 729189Amendment | Dec 10, 2011 | Dec 10, 2011 | Jupiter Energy, LLC | Jupiter #1 | 7,800 | 17333528 |
| 729500 | Dec 9, 2011 | Dec 9, 2011 | Adventure Exploration Ptrs, LLC | Brunson #2 | 11,900 | 17334650 |
| 729432 | Dec 9, 2011 | Dec 9, 2011 | Laredo Petroleum, Inc. | Ratliff 17 #7 | 11,000 | 17334649 |
| 729151 | Dec 9, 2011 | Dec 9, 2011 | Laredo Petroleum, Inc. | Bearkat #903 | 11,000 | 17334652 |
| 729373 | Dec 8, 2011 | Dec 8, 2011 | Apache Corporation | Glass 3 #4 | 11,000 | 17334648 |
| 726154 | Dec 7, 2011 | Dec 7, 2011 | Pioneer Natural Res. USA, Inc. | McDaniel '33' #5 | 11,400 | 17334549 |
| 726154Amendment | Dec 7, 2011 | Dec 7, 2011 | Pioneer Natural Res. USA, Inc. | McDaniel '33' #5 | 11,400 | 17334549 |
| 729225 | Dec 6, 2011 | Dec 6, 2011 | Sheridan Production Company, LLC | Glasscock, Howard W. (G-S) Unit #311 | 2,500 | 17330087 |
| 727507 | Dec 5, 2011 | Dec 5, 2011 | Sheridan Production Company, LLC | Glasscock, Howard W. (G-S) #906 | 2,500 | 17300675 |
| 729153 | Dec 2, 2011 | Dec 2, 2011 | Meritage Energy Company, LLC | Hoelscher #4644 | 11,000 | 17334647 |
| 728440 | Dec 2, 2011 | Dec 2, 2011 | Fiml Natural Resources, LLC | Barbee #4F | 10,000 | 17334646 |
| 728440Amendment | Dec 2, 2011 | Dec 2, 2011 | Fiml Natural Resources, LLC | Barbee #4F | 10,550 | 17334646 |
| 728440Amendment | Dec 2, 2011 | Dec 2, 2011 | Fiml Natural Resources, LLC | Barbee #4F | 10,550 | 17334646 |
| 729034 | Dec 1, 2011 | Dec 1, 2011 | Apache Corporation | Adams 26 #9 | 11,000 | 17334641 |
| 729004 | Dec 1, 2011 | Dec 1, 2011 | Berry Oil Comp. | Zant #4711R | 12,000 | 17334645 |
| 728744 | Dec 1, 2011 | Dec 1, 2011 | Crownquest Operating, LLC | Snider 13 #1 | 11,900 | 17334642 |
| 729025 | Nov 30, 2011 | Nov 30, 2011 | Pioneer Natural Res. USA, Inc. | Cook, E. '17' #4 | 10,700 | 17334640 |
| 728964 | Nov 30, 2011 | Nov 30, 2011 | Apache Corporation | Weaver 23 #13 | 11,000 | 17334639 |
| 728950 | Nov 30, 2011 | Nov 30, 2011 | McClure Oil Company, Inc. | Cole '4' #1 | 9,600 | 17334637 |
| 728918 | Nov 30, 2011 | Nov 30, 2011 | Energen Resources Corporation | San Saba -A- #3 | 11,000 | 17334643 |
| 728898 | Nov 30, 2011 | Nov 30, 2011 | Energen Resources Corporation | Sabine -35- #2 | 11,000 | 17334638 |
| 728925 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Frio B #1 | 11,000 | 17334636 |
| 728917 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Trinity -16- #5 | 11,000 | 17334635 |
| 728916 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Guadalupe -48- #6 | 11,000 | 17334634 |
| 728915 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | San Saba #3 | 11,000 | 17334633 |
| 728915Amendment | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | San Saba #3 | 11,000 | 17334633 |
| 728914 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Lavaca -38- #3 | 11,000 | 17334632 |
| 728913 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Lavaca -38A- #4 | 11,000 | 17334631 |
| 728908 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Neches -15- #4 | 11,000 | 17334630 |
| 728904 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Llano -8A- #3 | 11,000 | 17334629 |
| 728891 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Brazos #3 | 11,000 | 17334628 |
| 728836 | Nov 29, 2011 | Nov 29, 2011 | Royalty Land & Dev. Co., Inc. | Doralee #1 | 10,800 | 17334627 |
| 728836Amendment | Nov 29, 2011 | Nov 29, 2011 | Royalty Land & Dev. Co., Inc. | Doralee #1 | 10,800 | 17334627 |
| 728703 | Nov 29, 2011 | Nov 29, 2011 | Crownquest Operating, LLC | Fariy Pfluger 24 #3 | 11,900 | 17334624 |
| 728835 | Nov 23, 2011 | Nov 23, 2011 | Athlon FE Operating LLC | Schwartz 25 #1 | 10,400 | 17334625 |
| 728835Amendment | Nov 23, 2011 | Nov 23, 2011 | Athlon FE Operating LLC | Schwartz 25 #1 | 10,400 | 17334625 |
| 728730 | Nov 23, 2011 | Nov 23, 2011 | Apache Corporation | Weaver 23 #12 | 11,000 | 17334626 |
| 728386 | Nov 23, 2011 | Nov 23, 2011 | Berry Oil Comp. | Berry #2105 | 12,000 | 17334612 |
| 728788 | Nov 22, 2011 | Nov 22, 2011 | Athlon FE Operating LLC | Wilkinson 31 #2 | 10,500 | 17334623 |
| 728770 | Nov 22, 2011 | Nov 22, 2011 | Royalty Land & Dev. Co., Inc. | Lois Blalock #E714 | 10,800 | 17334620 |
| 728769 | Nov 22, 2011 | Nov 22, 2011 | Royalty Land & Dev. Co., Inc. | Lois Blalock #B708 | 10,800 | 17334619 |
| 728673 | Nov 22, 2011 | Nov 22, 2011 | Laredo Petroleum, Inc. | Calverley 40 #5HH | 11,000 | 17334622 |
| 728673Amendment | Nov 22, 2011 | Nov 22, 2011 | Laredo Petroleum, Inc. | Calverley 40 #5HH | 11,000 | 17334622 |
| 728660 | Nov 22, 2011 | Nov 22, 2011 | Athlon FE Operating LLC | Lawson 22 #2 | 10,300 | 17334621 |
| 728610 | Nov 22, 2011 | Nov 22, 2011 | Apache Corporation | E D Books 13 #7 | 11,000 | 17334618 |
| 728592 | Nov 21, 2011 | Nov 21, 2011 | Apache Corporation | Gray 24 #8 | 11,000 | 17334615 |
| 728529 | Nov 21, 2011 | Nov 21, 2011 | Apache Corporation | Ed Books 2 #9 | 11,000 | 17334616 |
| 728494 | Nov 21, 2011 | Nov 21, 2011 | Laredo Petroleum, Inc. | Glass 214 #1 | 11,000 | 17334614 |
| 728494Amendment | Nov 21, 2011 | Nov 21, 2011 | Laredo Petroleum, Inc. | Glass 214 #1 | 11,000 | 17334614 |
| 728492 | Nov 21, 2011 | Nov 21, 2011 | Laredo Petroleum, Inc. | Lynda 41 #2 | 11,000 | 17334613 |
| 728244 | Nov 21, 2011 | Nov 21, 2011 | Apache Corporation | Riley #4808 | 11,000 | 17334601 |
| 728240 | Nov 21, 2011 | Nov 21, 2011 | Apache Corporation | Riley #4807 | 11,000 | 17334600 |
| 728236 | Nov 21, 2011 | Nov 21, 2011 | Apache Corporation | Riley #4806 | 11,000 | 17334599 |
| 728236Amendment | Nov 21, 2011 | Nov 21, 2011 | Apache Corporation | Riley #4806 | 11,000 | 17334599 |
| 728391 | Nov 19, 2011 | Nov 19, 2011 | Apache Corporation | Ratliff 24 #2 | 11,000 | 17334611 |