| 717146 | May 31, 2011 | May 31, 2011 | Sandridge Expl. and Prod., LLC | King -B- #34 | 4,900 | 00342996 |
| 716543 | May 31, 2011 | May 31, 2011 | Sandridge Expl. and Prod., LLC | MA Thornberry Consolidated III #68 | 4,900 | 00342961 |
| 717344 | May 30, 2011 | May 30, 2011 | Mewbourne Oil Company | University 'B11' '18' #2HH | 8,000 | 00342997 |
| 717142 | May 30, 2011 | May 30, 2011 | Sandridge Expl. and Prod., LLC | Seidel #26 | 4,900 | 00342995 |
| 715151 | May 30, 2011 | May 30, 2011 | Sandridge Expl. and Prod., LLC | Thornberry J #11 | 4,900 | 00342872 |
| 717026 | May 27, 2011 | May 27, 2011 | Discovery Operating, Inc. | Andrews 3 #3 | 7,999 | 00342992 |
| 716996 | May 27, 2011 | May 27, 2011 | Discovery Operating, Inc. | University 11B #4 | 7,999 | 00342990 |
| 717221 | May 26, 2011 | May 26, 2011 | W&T Offshore, Inc. | University 6-24 #4 | 12,990 | 00342993 |
| 717221Amendment | May 26, 2011 | May 26, 2011 | W&T Offshore, Inc. | University 6-24 #4 | 12,990 | 00342993 |
| 717107 | May 26, 2011 | May 26, 2011 | Sandridge Expl. and Prod., LLC | Ehrig, et Al #17 | 5,000 | 00342989 |
| 717163 | May 25, 2011 | May 25, 2011 | Fasken Oil and Ranch, Ltd. | Fee Bmng #1 | 5,500 | 00342991 |
| 717105 | May 25, 2011 | May 25, 2011 | Exxon Mobil Corporation | Means San Andres Unit #4620Z | 6,100 | 00342988 |
| 717050 | May 25, 2011 | May 25, 2011 | Sandridge Expl. and Prod., LLC | Bassel et Al #36 | 4,900 | 00342987 |
| 717001 | May 24, 2011 | May 24, 2011 | Sandridge Expl. and Prod., LLC | Thornberry -F- #33 | 5,000 | 00342986 |
| 716929 | May 24, 2011 | May 24, 2011 | OXY USA Inc. | Mabee 139 #4319 | 12,500 | 00342984 |
| 716438 | May 24, 2011 | May 24, 2011 | Occidental Permian Ltd. | Midland Farms Unit #245 | 4,900 | 00300096 |
| 716931 | May 23, 2011 | May 23, 2011 | Texland Petroleum, L.P. | C. W. Logsdon 'E' #26 | 7,500 | 00342985 |
| 716892 | May 23, 2011 | May 23, 2011 | Sandridge Expl. and Prod., LLC | Munger Nix #136 | 4,900 | 00342981 |
| 716891 | May 23, 2011 | May 23, 2011 | Sandridge Expl. and Prod., LLC | Munger Nix #127 | 4,900 | 00342982 |
| 716736 | May 23, 2011 | May 23, 2011 | Sandridge Expl. and Prod., LLC | Munger Nix #177 | 4,900 | 00342976 |
| 716242 | May 23, 2011 | May 23, 2011 | Sandridge Expl. and Prod., LLC | University 14-16 #4 C | 5,000 | 00334631 |
| 716241 | May 23, 2011 | May 23, 2011 | Sandridge Expl. and Prod., LLC | University 14-16 #3 C | 5,000 | 00335187 |
| 716240 | May 23, 2011 | May 23, 2011 | Sandridge Expl. and Prod., LLC | University 14-16 #2 C | 5,000 | 00335415 |
| 716239 | May 23, 2011 | May 23, 2011 | Sandridge Expl. and Prod., LLC | University 14-16 'D' #2 | 5,000 | 00335807 |
| 716238 | May 23, 2011 | May 23, 2011 | Sandridge Expl. and Prod., LLC | University 14-16 #1 C | 5,000 | 00334882 |
| 716808 | May 20, 2011 | May 20, 2011 | Sheridan Production Company, LLC | Logsdon, C.W. 'B' #18I | 4,800 | 00339025 |
| 716788 | May 20, 2011 | May 20, 2011 | OXY USA Inc. | Mabee 140A #4506 | 12,500 | 00342977 |
| 716743 | May 20, 2011 | May 20, 2011 | Sandridge Expl. and Prod., LLC | Munger Nix a LZS #72 | 4,900 | 00342973 |
| 716740 | May 20, 2011 | May 20, 2011 | Sandridge Expl. and Prod., LLC | Munger Nix B #9 | 4,900 | 00342974 |
| 716734 | May 20, 2011 | May 20, 2011 | Sandridge Expl. and Prod., LLC | Munger Nix #142 | 4,900 | 00342975 |
| 716732 | May 20, 2011 | May 20, 2011 | Sandridge Expl. and Prod., LLC | Thornberry -F- #23 | 5,000 | 00342971 |
| 716729 | May 20, 2011 | May 20, 2011 | Sandridge Expl. and Prod., LLC | Thornberry '4W' #16 | 5,000 | 00342972 |
| 716728 | May 20, 2011 | May 20, 2011 | Sandridge Expl. and Prod., LLC | King -B- #33 | 5,000 | 00342970 |
| 716725 | May 20, 2011 | May 20, 2011 | Sandridge Expl. and Prod., LLC | Ehrig #11 | 5,000 | 00342969 |
| 716724 | May 20, 2011 | May 20, 2011 | Sandridge Expl. and Prod., LLC | Phillips University 15-11 #12 | 8,100 | 00342968 |
| 715712 | May 20, 2011 | May 20, 2011 | RSP Permian, LLC | Cross Bar Ranch #1801 | 12,000 | 00342978 |
| 716601 | May 19, 2011 | May 19, 2011 | Williams, Clayton Energy, Inc. | Strip 3 #2 | 13,500 | 00342967 |
| 716562 | May 19, 2011 | May 19, 2011 | Sandridge Expl. and Prod., LLC | Nix South Unit #6 | 7,500 | 00301529 |
| 716562Amendment | May 19, 2011 | May 19, 2011 | Sandridge Expl. and Prod., LLC | Munger & Nix C #2 | 7,500 | 00301529 |
| 716545 | May 18, 2011 | May 18, 2011 | Sandridge Expl. and Prod., LLC | Thornberry Consolidated I #48 | 4,900 | 00342963 |
| 716544 | May 18, 2011 | May 18, 2011 | Sandridge Expl. and Prod., LLC | Thornberry-NWS #53 | 4,900 | 00342962 |
| 716425 | May 18, 2011 | May 18, 2011 | Occidental Permian Ltd. | Midland Farms Unit #139 | 4,900 | 00305787 |
| 716422 | May 18, 2011 | May 18, 2011 | Occidental Permian Ltd. | Midland Farms Unit #60 | 4,900 | 00306098 |
| 716143 | May 18, 2011 | May 18, 2011 | Pioneer Natural Res. USA, Inc. | University '6-39' #5 | 11,700 | 00342935 |
| 716142 | May 18, 2011 | May 18, 2011 | Pioneer Natural Res. USA, Inc. | University '6-16' #2 | 11,800 | 00342934 |
| 716140 | May 18, 2011 | May 18, 2011 | Pioneer Natural Res. USA, Inc. | University "6-13" #2 | 11,800 | 00342933 |
| 716140Amendment | May 18, 2011 | May 18, 2011 | Pioneer Natural Res. USA, Inc. | University '6-13' #2 | 13,000 | 00342933 |
| 714309 | May 18, 2011 | May 18, 2011 | Sandridge Expl. and Prod., LLC | University 12-F #3 | 7,850 | 00306572 |
| 714309Amendment | May 18, 2011 | May 18, 2011 | Sandridge Expl. and Prod., LLC | University 12-F #3 | 8,300 | 00306572 |
| 714309Amendment | May 18, 2011 | May 18, 2011 | Sandridge Expl. and Prod., LLC | University 12-F #3 | 8,322 | 00306572 |
| 716338 | May 17, 2011 | May 17, 2011 | Mewbourne Oil Company | University "B11" "7" #2HH | 8,000 | 00342953 |
| 716338Amendment | May 17, 2011 | May 17, 2011 | Mewbourne Oil Company | University "B11" "7" #2HH | 8,000 | 00342953 |
| 716338Amendment | May 17, 2011 | May 17, 2011 | Mewbourne Oil Company | University 'B11' '7' #2HH | 8,000 | 00342953 |
| 716337 | May 17, 2011 | May 17, 2011 | W&T Offshore, Inc. | University 7-3 #6 | 12,990 | 00342952 |
| 716326 | May 17, 2011 | May 17, 2011 | Reliance Energy, Inc. | Mabee 240 #2802 | 13,000 | 00342964 |
| 716321 | May 17, 2011 | May 17, 2011 | Reliance Energy, Inc. | Mabee 240 #2705 | 13,000 | 00342955 |
| 716320 | May 17, 2011 | May 17, 2011 | Reliance Energy, Inc. | Mabee 240 #1304 | 13,000 | 00342951 |
| 716318 | May 17, 2011 | May 17, 2011 | Reliance Energy, Inc. | Mabee 240 #1204 | 13,000 | 00342954 |
| 716316 | May 17, 2011 | May 17, 2011 | Reliance Energy, Inc. | Mabee 240 #2704 | 13,000 | 00342959 |
| 716313 | May 17, 2011 | May 17, 2011 | Reliance Energy, Inc. | Mabee 240 #1402 | 13,000 | 00342957 |
| 716309 | May 17, 2011 | May 17, 2011 | Reliance Energy, Inc. | Mabee 240 #1303 | 13,000 | 00342956 |
| 716305 | May 17, 2011 | May 17, 2011 | Reliance Energy, Inc. | Mabee 240 #1203 | 13,000 | 00342965 |
| 716291 | May 17, 2011 | May 17, 2011 | Sandridge Expl. and Prod., LLC | Nix CL #6 | 4,900 | 00342950 |
| 716287 | May 17, 2011 | May 17, 2011 | Sandridge Expl. and Prod., LLC | King -B- #24 | 4,900 | 00342949 |
| 716278 | May 17, 2011 | May 17, 2011 | Sandridge Expl. and Prod., LLC | Thornberry 5E #9 | 4,900 | 00342948 |
| 716272 | May 17, 2011 | May 17, 2011 | Sandridge Expl. and Prod., LLC | Corrigan #31 | 4,900 | 00342947 |
| 716270 | May 17, 2011 | May 17, 2011 | Sandridge Expl. and Prod., LLC | Lindley-Remuda #35 | 5,100 | 00342946 |
| 716267 | May 17, 2011 | May 17, 2011 | Sandridge Expl. and Prod., LLC | Bush-Rasmussen #21 | 4,900 | 00342945 |
| 715936 | May 17, 2011 | May 17, 2011 | PDC Energy | University Ruth #417 | 11,500 | 00342932 |
| 714372 | May 17, 2011 | May 17, 2011 | Texland Petroleum, L.P. | Logsdon 'D' et Al #40 | 7,500 | 00342849 |
| 716269 | May 16, 2011 | May 16, 2011 | W&T Offshore, Inc. | University 6-46 #4 | 12,900 | 00342940 |
| 716264 | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | Bush-Rasmussen #23 | 4,900 | 00342944 |
| 716264Amendment | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | Bush-Rasmussen #23 | 4,900 | 00342944 |
| 716262 | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | Bush-Rasmussen #22 | 4,900 | 00342943 |
| 716261 | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | Bush-Rasmussen #20 | 4,900 | 00342942 |
| 716260 | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | Lyda Miles Gap #13 | 4,900 | 00342941 |
| 716259 | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | Lyda Miles Gap #12 | 4,900 | 00342939 |
| 716258 | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | Thornberry 5 #12 | 4,900 | 00342937 |
| 716257 | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | Lyda Miles #18 | 4,900 | 00342938 |
| 716256 | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | Ranch 5 #9 | 8,500 | 00342936 |
| 716237 | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | University '14-16' D #1 | 5,000 | 00335661 |
| 716232 | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | Marlo '11' #2 | 4,900 | 00335475 |
| 716229 | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | Marlo '11' #1 | 5,000 | 00335172 |
| 716225 | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | University #1802 | 4,852 | 00336950 |
| 716224 | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | University #1801 | 4,850 | 00336848 |
| 716108 | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | Bishop #1 | 7,750 | 00342930 |
| 715866 | May 16, 2011 | May 16, 2011 | Devon Energy Production Co, L.P. | Uls 5-24 #4 | 11,500 | 00342925 |
| 712337 | May 16, 2011 | May 16, 2011 | Sandridge Expl. and Prod., LLC | University 14-16 #12C | 4,900 | 00342778 |
| 716126 | May 13, 2011 | May 13, 2011 | XTO Energy Inc. | University BLK 9 #9BHH | 10,800 | 00340243 |
| 716109 | May 13, 2011 | May 13, 2011 | Sandridge Expl. and Prod., LLC | Bishop #1D | 5,800 | 00342931 |
| 715381 | May 13, 2011 | May 13, 2011 | PDC Energy | University Camille #136 | 11,100 | 00342885 |
| 714229 | May 13, 2011 | May 13, 2011 | Texland Petroleum, L.P. | C. W. Logsdon 'E' #28 | 7,500 | 00342836 |
| 716034 | May 12, 2011 | May 12, 2011 | Sandridge Expl. and Prod., LLC | State of Texas S #5 | 7,900 | 00342928 |
| 716033 | May 12, 2011 | May 12, 2011 | Sandridge Expl. and Prod., LLC | University 12-15 #1 | 7,850 | 00342927 |
| 715662 | May 12, 2011 | May 12, 2011 | PDC Energy | Miranda #1752 | 11,100 | 00342929 |
| 715648 | May 12, 2011 | May 12, 2011 | RSP Permian, LLC | Cross Bar Ranch #1702 | 12,000 | 00342892 |
| 715901 | May 11, 2011 | May 11, 2011 | Devon Energy Production Co, L.P. | Uls 5-23 #3 | 11,500 | 00342915 |
| 715895 | May 11, 2011 | May 11, 2011 | Devon Energy Production Co, L.P. | Uls 5-27 #4 | 11,500 | 00342914 |
| 715847 | May 11, 2011 | May 11, 2011 | BVX Operating, Inc. | State of Texas BK #9 | 7,000 | 00342926 |
| 715671 | May 11, 2011 | May 11, 2011 | Pioneer Natural Res. USA, Inc. | University '7-38' #6 | 11,800 | 00342924 |