| 711022 | Apr 18, 2011 | Apr 18, 2011 | OXY USA WTP LP | University QB #4 | 10,500 | 00342701 |
| 714169 | Apr 15, 2011 | Apr 15, 2011 | Sandridge Expl. and Prod., LLC | Thornberry -G- #14 | 4,900 | 00342833 |
| 714168 | Apr 15, 2011 | Apr 15, 2011 | Sandridge Expl. and Prod., LLC | Seidel #20 | 4,900 | 00342834 |
| 714165 | Apr 15, 2011 | Apr 15, 2011 | Sandridge Expl. and Prod., LLC | Lockhart & Brown #10 | 4,900 | 00342832 |
| 714163 | Apr 15, 2011 | Apr 15, 2011 | Sandridge Expl. and Prod., LLC | Lockhart & Brown #5 | 4,900 | 00342830 |
| 714160 | Apr 15, 2011 | Apr 15, 2011 | Sandridge Expl. and Prod., LLC | Argo Knight #14 | 4,900 | 00342829 |
| 714051 | Apr 15, 2011 | Apr 15, 2011 | Sandridge Expl. and Prod., LLC | G M Cox #3 | 7,750 | 00342825 |
| 714050 | Apr 15, 2011 | Apr 15, 2011 | Texland Petroleum, L.P. | Logsdon "D" et Al #38 | 7,500 | 00342827 |
| 714050Amendment | Apr 15, 2011 | Apr 15, 2011 | Texland Petroleum, L.P. | Logsdon "D" et Al #38 | 7,500 | 00342827 |
| 714018 | Apr 15, 2011 | Apr 15, 2011 | Sandridge Expl. and Prod., LLC | Zeismer #16 | 4,900 | 00342824 |
| 714014 | Apr 15, 2011 | Apr 15, 2011 | Sandridge Expl. and Prod., LLC | McElreath #14 | 4,900 | 00342823 |
| 714002 | Apr 15, 2011 | Apr 15, 2011 | Reliance Energy, Inc. | Mabee 240C #2504 | 13,000 | 00342819 |
| 714001 | Apr 15, 2011 | Apr 15, 2011 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4622 | 7,999 | 00342822 |
| 713999 | Apr 15, 2011 | Apr 15, 2011 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4621 | 7,999 | 00342820 |
| 713996 | Apr 14, 2011 | Apr 14, 2011 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4620 | 7,999 | 00342821 |
| 713635 | Apr 14, 2011 | Apr 14, 2011 | Texland Petroleum, L.P. | Scarborough Unit #1189 | 4,900 | 00342818 |
| 713802 | Apr 12, 2011 | Apr 12, 2011 | Reliance Energy, Inc. | Mabee 240A #4102 | 13,000 | 00342815 |
| 713603 | Apr 12, 2011 | Apr 12, 2011 | Texland Petroleum, L.P. | Logsdon 'C' #58 | 7,500 | 00342817 |
| 713495 | Apr 12, 2011 | Apr 12, 2011 | Texland Petroleum, L.P. | Logsdon "D" et Al #39 | 7,500 | 00342816 |
| 713495Amendment | Apr 12, 2011 | Apr 12, 2011 | Texland Petroleum, L.P. | Logsdon 'D' et Al #39 | 7,500 | 00342816 |
| 713489 | Apr 12, 2011 | Apr 12, 2011 | Texland Petroleum, L.P. | Lineberry (San Andres CF Unit) #1015 | 4,900 | 00342814 |
| 713706 | Apr 11, 2011 | Apr 11, 2011 | Reliance Energy, Inc. | Mabee 240A #4202 | 13,000 | 00342813 |
| 713411 | Apr 11, 2011 | Apr 11, 2011 | Sandridge Expl. and Prod., LLC | Stuckert #29 | 4,900 | 00342803 |
| 713606 | Apr 8, 2011 | Apr 8, 2011 | Texland Petroleum, L.P. | Logsdon 'C' #60 | 7,500 | 00342812 |
| 713544 | Apr 8, 2011 | Apr 8, 2011 | Devon Energy Production Co, L.P. | Uls Cdu 5-41 #1 | 11,500 | 00342811 |
| 713543 | Apr 8, 2011 | Apr 8, 2011 | Devon Energy Production Co, L.P. | Uls 8-3 #1 | 11,500 | 00342810 |
| 713526 | Apr 8, 2011 | Apr 8, 2011 | Texland Petroleum, L.P. | Logson 'C' #56 | 4,900 | 00342809 |
| 713523 | Apr 8, 2011 | Apr 8, 2011 | Texland Petroleum, L.P. | C. W. Logsdon 'E' #27 | 4,900 | 00342808 |
| 713523Amendment | Apr 8, 2011 | Apr 8, 2011 | Texland Petroleum, L.P. | C. W. Logsdon 'E' #27 | 7,400 | 00342808 |
| 713513 | Apr 8, 2011 | Apr 8, 2011 | Texland Petroleum, L.P. | Scarborough Unit #1133 | 4,900 | 00342807 |
| 713511 | Apr 8, 2011 | Apr 8, 2011 | Texland Petroleum, L.P. | Logsdon "C" #59 | 7,500 | 00342806 |
| 713511Amendment | Apr 8, 2011 | Apr 8, 2011 | Texland Petroleum, L.P. | Logsdon 'C' #59 | 7,500 | 00342806 |
| 713480 | Apr 8, 2011 | Apr 8, 2011 | Sandridge Expl. and Prod., LLC | Thornberry-LZS #41 | 4,900 | 00342804 |
| 713410 | Apr 8, 2011 | Apr 8, 2011 | Sandridge Expl. and Prod., LLC | Thornberry 5B #7 | 4,900 | 00342801 |
| 713409 | Apr 8, 2011 | Apr 8, 2011 | Sandridge Expl. and Prod., LLC | MA Thornberry 'a' LZS #30 | 4,900 | 00342800 |
| 712776 | Apr 8, 2011 | Apr 8, 2011 | Sandridge Expl. and Prod., LLC | Thornberry 7 #9 | 4,900 | 00342792 |
| 710936 | Apr 8, 2011 | Apr 8, 2011 | Pacesetter Energy, LLC | Fisher 4 #4HH | 6,000 | 00342717 |
| 713280 | Apr 6, 2011 | Apr 6, 2011 | Sandridge Expl. and Prod., LLC | University Consolidated V #2007 | 8,500 | 00342802 |
| 713277 | Apr 5, 2011 | Apr 5, 2011 | Sandridge Expl. and Prod., LLC | University I #3202 | 8,500 | 00342793 |
| 712876 | Apr 5, 2011 | Apr 5, 2011 | Sandridge Expl. and Prod., LLC | Thornberry 813 #8 | 4,900 | 00342798 |
| 712875 | Apr 5, 2011 | Apr 5, 2011 | Sandridge Expl. and Prod., LLC | Ranch 5 #11 | 4,900 | 00342797 |
| 712873 | Apr 5, 2011 | Apr 5, 2011 | Sandridge Expl. and Prod., LLC | Thornberry-LZS #21 | 4,900 | 00342796 |
| 712871 | Apr 5, 2011 | Apr 5, 2011 | Sandridge Expl. and Prod., LLC | Thornberry L #7 | 4,900 | 00342795 |
| 713279 | Apr 4, 2011 | Apr 4, 2011 | Sandridge Expl. and Prod., LLC | University 13-45 #5 | 7,300 | 00342794 |
| 713279Amendment | Apr 4, 2011 | Apr 4, 2011 | Sandridge Expl. and Prod., LLC | University 13-45 #5 | 7,300 | 00342794 |
| 712960 | Apr 4, 2011 | Apr 4, 2011 | Sandridge Expl. and Prod., LLC | JT Lindley-Lynne #39 | 4,900 | 00342799 |
| 713188 | Apr 1, 2011 | Apr 1, 2011 | Texland Petroleum, L.P. | Twilight #1 | 7,700 | 00341219 |
| 713137 | Apr 1, 2011 | Apr 1, 2011 | Samson Lone Star, LLC | University a 1-4 #1 | 10,200 | 00342791 |
| 713062 | Apr 1, 2011 | Apr 1, 2011 | Greystone Oil & Gas, LLP | State FI #12 | 13,000 | 00342790 |
| 713050 | Apr 1, 2011 | Apr 1, 2011 | Sandridge Expl. and Prod., LLC | Munger Nix 'a' LZS #48 | 4,900 | 00342789 |
| 713045 | Apr 1, 2011 | Apr 1, 2011 | Sandridge Expl. and Prod., LLC | Fuhrman B #10 | 4,900 | 00342788 |
| 713044 | Apr 1, 2011 | Apr 1, 2011 | Sandridge Expl. and Prod., LLC | Bush, WH #18 | 4,900 | 00342787 |
| 713044Amendment | Apr 1, 2011 | Apr 1, 2011 | Sandridge Expl. and Prod., LLC | Bush, WH #18 | 4,900 | 00342787 |
| 712595 | Mar 31, 2011 | Mar 31, 2011 | Sandridge Expl. and Prod., LLC | Boyd #7 | 4,900 | 00342781 |
| 711378 | Mar 31, 2011 | Mar 31, 2011 | Williams, Clayton Energy, Inc. | Covington 33 "B" #1 | 11,600 | 00342723 |
| 712964 | Mar 30, 2011 | Mar 30, 2011 | Sandridge Expl. and Prod., LLC | Lindley-Remuda #34 | 4,900 | 00342786 |
| 712951 | Mar 30, 2011 | Mar 30, 2011 | XTO Energy Inc. | University Block 9 #4EH | 10,800 | 00339252 |
| 712928 | Mar 30, 2011 | Mar 30, 2011 | Sandridge Expl. and Prod., LLC | University 11-13 #2 | 7,750 | 00342785 |
| 712862 | Mar 30, 2011 | Mar 30, 2011 | Sandridge Expl. and Prod., LLC | Argo #16 | 4,900 | 00342784 |
| 712606 | Mar 30, 2011 | Mar 30, 2011 | Sandridge Expl. and Prod., LLC | Thornberry -B- #14 | 4,900 | 00342783 |
| 712578 | Mar 30, 2011 | Mar 30, 2011 | Pioneer Natural Res. USA, Inc. | University '7-9' #2 | 11,800 | 00342780 |
| 712808 | Mar 29, 2011 | Mar 29, 2011 | Americo Energy Resources, LLC | University -FH- #1 | 12,700 | 00301671 |
| 712806 | Mar 29, 2011 | Mar 29, 2011 | Americo Energy Resources, LLC | State -FY- #1 | 12,700 | 00301628 |
| 710665 | Mar 29, 2011 | Mar 29, 2011 | XTO Energy Inc. | University Block 9 #1NH | 10,800 | 00305620 |
| 712583 | Mar 24, 2011 | Mar 24, 2011 | Sandridge Expl. and Prod., LLC | Thornberry-LZS #19 | 4,900 | 00342771 |
| 712582 | Mar 24, 2011 | Mar 24, 2011 | Sandridge Expl. and Prod., LLC | Thornberry-LZS #18 | 4,900 | 00342770 |
| 712581 | Mar 24, 2011 | Mar 24, 2011 | Sandridge Expl. and Prod., LLC | Thornberry -G- #13 | 4,900 | 00342773 |
| 712577 | Mar 24, 2011 | Mar 24, 2011 | Sandridge Expl. and Prod., LLC | Thornberry-NWS #42 | 4,900 | 00342769 |
| 712576 | Mar 24, 2011 | Mar 24, 2011 | Sandridge Expl. and Prod., LLC | Thornberry -G- #12 | 4,900 | 00342772 |
| 712571 | Mar 24, 2011 | Mar 24, 2011 | Sandridge Expl. and Prod., LLC | Thornberry-NWS #41 | 4,900 | 00342768 |
| 712570 | Mar 24, 2011 | Mar 24, 2011 | Sandridge Expl. and Prod., LLC | Anita #22 | 4,900 | 00342774 |
| 712566 | Mar 24, 2011 | Mar 24, 2011 | Sandridge Expl. and Prod., LLC | MA Thornberry Est B-BK #12 | 4,900 | 00342767 |
| 712482 | Mar 24, 2011 | Mar 24, 2011 | Texland Petroleum, L.P. | Emory #2 | 6,200 | 00342765 |
| 712344 | Mar 24, 2011 | Mar 24, 2011 | Sandridge Expl. and Prod., LLC | Munger Nix #105 | 4,900 | 00342775 |
| 712343 | Mar 24, 2011 | Mar 24, 2011 | Sandridge Expl. and Prod., LLC | Thornberry, MA Bustamante #14 | 4,900 | 00342777 |
| 712342 | Mar 24, 2011 | Mar 24, 2011 | Sandridge Expl. and Prod., LLC | JW Kuykendall #14 | 4,900 | 00342776 |
| 712246 | Mar 23, 2011 | Mar 23, 2011 | Pioneer Natural Res. USA, Inc. | University '7-33' #5 | 11,500 | 00342763 |
| 712225 | Mar 23, 2011 | Mar 23, 2011 | Pioneer Natural Res. USA, Inc. | University '7-41' #3 | 11,500 | 00342762 |
| 712341 | Mar 22, 2011 | Mar 22, 2011 | Sandridge Expl. and Prod., LLC | Miles #22 | 4,900 | 00342760 |
| 712340 | Mar 22, 2011 | Mar 22, 2011 | Sandridge Expl. and Prod., LLC | Miles #21 | 4,900 | 00342759 |
| 712299 | Mar 22, 2011 | Mar 22, 2011 | Chesapeake Operating, Inc. | Mabee W #2 | 12,000 | 00342761 |
| 712197 | Mar 22, 2011 | Mar 22, 2011 | Bopco, L.P. | University 42 #1 | 14,200 | 00342764 |
| 709082 | Mar 22, 2011 | Mar 22, 2011 | Sandridge Expl. and Prod., LLC | University Consolidated Xii #4601 | 9,000 | 00341491 |
| 712208 | Mar 21, 2011 | Mar 21, 2011 | OXY USA Inc. | Mabee 140A #4402 | 12,500 | 00342758 |
| 711938 | Mar 21, 2011 | Mar 21, 2011 | Pioneer Natural Res. USA, Inc. | University '6-25B' #4 | 11,700 | 00342757 |
| 711937 | Mar 21, 2011 | Mar 21, 2011 | Pioneer Natural Res. USA, Inc. | University '6-25' #5 | 11,800 | 00342756 |
| 712157 | Mar 18, 2011 | Mar 18, 2011 | Williams, Clayton Energy, Inc. | University 22 #1 | 12,800 | 00339176 |
| 712149 | Mar 18, 2011 | Mar 18, 2011 | Sandridge Expl. and Prod., LLC | Thornberry, MA Consolidated I #42 | 4,900 | 00342755 |
| 710418 | Mar 18, 2011 | Mar 18, 2011 | Sandridge Expl. and Prod., LLC | University 14-16 #7C | 4,900 | 00342679 |
| 710418Amendment | Mar 18, 2011 | Mar 18, 2011 | Sandridge Expl. and Prod., LLC | University 14-16 #7C | 4,900 | 00342679 |
| 710388 | Mar 18, 2011 | Mar 18, 2011 | Sandridge Expl. and Prod., LLC | University 14-16 #11C | 4,900 | 00342678 |
| 710388Amendment | Mar 18, 2011 | Mar 18, 2011 | Sandridge Expl. and Prod., LLC | University 14-16 #11C | 4,900 | 00342678 |
| 710387 | Mar 18, 2011 | Mar 18, 2011 | Sandridge Expl. and Prod., LLC | University 14-16 #10C | 4,900 | 00342677 |
| 710387Amendment | Mar 18, 2011 | Mar 18, 2011 | Sandridge Expl. and Prod., LLC | University 14-16 #10C | 4,900 | 00342677 |
| 710387Amendment | Mar 18, 2011 | Mar 18, 2011 | Sandridge Expl. and Prod., LLC | University 14-16 #10C | 5,130 | 00342677 |
| 710386 | Mar 18, 2011 | Mar 18, 2011 | Sandridge Expl. and Prod., LLC | University 14-16 #9C | 4,900 | 00342676 |
| 710386Amendment | Mar 18, 2011 | Mar 18, 2011 | Sandridge Expl. and Prod., LLC | University 14-16 #9C | 4,900 | 00342676 |
| 708069 | Mar 18, 2011 | Mar 18, 2011 | Williams, Clayton Energy, Inc. | Samson University "13" #2 | 11,500 | 00342474 |
| 705586 | Mar 18, 2011 | Mar 18, 2011 | Pecos Operating Company, LLC | Goldsmith, N San Andres Cons UT #47 | 4,800 | 00342261 |
| 712095 | Mar 17, 2011 | Mar 17, 2011 | Sandridge Expl. and Prod., LLC | State Barrow #1 | 8,150 | 00342754 |