| 763520 | May 31, 2013 | May 31, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University Lands '33E' #331 E | 7,000 | 00335118 |
| 763210 | May 30, 2013 | May 30, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University a 4318 #8 | 5,200 | 00345424 |
| 763196 | May 30, 2013 | May 30, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University Lands 13-46 #34 | 5,200 | 00345422 |
| 763185 | May 30, 2013 | May 30, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University 14-16 #30C | 5,200 | 00345421 |
| 763118 | May 29, 2013 | May 29, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University A #13 | 5,200 | 00345395 |
| 763100 | May 29, 2013 | May 29, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix #176 | 5,200 | 00345397 |
| 763269 | May 28, 2013 | May 28, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University 13-39 SWD #1 | 13,000 | 00345398 |
| 763121 | May 24, 2013 | May 24, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University Lands '13-46' #32 | 4,900 | 00345394 |
| 763123 | May 23, 2013 | May 23, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University 48A #1 | 5,200 | 00345396 |
| 763120 | May 23, 2013 | May 23, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University a 4318 #12 | 5,200 | 00345393 |
| 763114 | May 23, 2013 | May 23, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University H #12 | 5,200 | 00345391 |
| 763109 | May 23, 2013 | May 23, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University 14-16 #31C | 5,200 | 00345390 |
| 763097 | May 23, 2013 | May 23, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix #165 | 5,200 | 00345392 |
| 763097Amendment | May 23, 2013 | May 23, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix #165 | 5,200 | 00345392 |
| 762487 | May 20, 2013 | May 20, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 19 #3 | 5,200 | 00345385 |
| 762485 | May 20, 2013 | May 20, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix A #67 | 5,200 | 00345384 |
| 762697 | May 17, 2013 | May 17, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 20 LZS #20 | 5,200 | 00345381 |
| 762691 | May 17, 2013 | May 17, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix #160 | 5,200 | 00345379 |
| 762693 | May 16, 2013 | May 16, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 1A #4 | 5,200 | 00345380 |
| 762482 | May 16, 2013 | May 16, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University 1801 #9 | 5,200 | 00345374 |
| 762688 | May 15, 2013 | May 15, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix #108 | 5,200 | 00345378 |
| 762688Amendment | May 15, 2013 | May 15, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix #108 | 5,200 | 00345378 |
| 762483 | May 14, 2013 | May 14, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University E #7 | 5,200 | 00345375 |
| 762481 | May 14, 2013 | May 14, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 1A #10 | 5,200 | 00345373 |
| 762386 | May 10, 2013 | May 10, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 19 #14 | 5,200 | 00345361 |
| 762384 | May 10, 2013 | May 10, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 19 #12 | 5,200 | 00345360 |
| 759512 | Apr 23, 2013 | Apr 23, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Martin LZS #114 | 5,200 | 00345258 |
| 759508 | Apr 23, 2013 | Apr 23, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Martin LZS #112 | 5,200 | 00345257 |
| 759502 | Apr 23, 2013 | Apr 23, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Martin LZS #111 | 5,200 | 00345256 |
| 760566 | Apr 17, 2013 | Apr 17, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University E #8 | 5,200 | 00345305 |
| 760562 | Apr 17, 2013 | Apr 17, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 20 #9 | 4,900 | 00345303 |
| 759307 | Apr 17, 2013 | Apr 17, 2013 | Sandridge Expl. and Prod., LLC | Andrews | CC Lockhart & Brown AA #16 | 5,200 | 00345255 |
| 759307Amendment | Apr 17, 2013 | Apr 17, 2013 | Sandridge Expl. and Prod., LLC | Andrews | CC Lockhart & Brown AA #16 | 5,200 | 00345255 |
| 759215 | Apr 17, 2013 | Apr 17, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix A #71 | 5,200 | 00345248 |
| 760564 | Apr 16, 2013 | Apr 16, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University 13-33 #2 | 5,200 | 00345304 |
| 760540 | Apr 15, 2013 | Apr 15, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Parker C #5 | 5,200 | 00345302 |
| 760460 | Apr 12, 2013 | Apr 12, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Lockhart #23 | 5,200 | 00345301 |
| 760360 | Apr 11, 2013 | Apr 11, 2013 | Sandridge Expl. and Prod., LLC | Andrews | CC Cities Service B #16 | 4,900 | 00345298 |
| 760359 | Apr 11, 2013 | Apr 11, 2013 | Sandridge Expl. and Prod., LLC | Andrews | CC Cities Service B #15 | 4,900 | 00345297 |
| 760358 | Apr 11, 2013 | Apr 11, 2013 | Sandridge Expl. and Prod., LLC | Andrews | CC Lockhart & Brown B #18 | 5,200 | 00345300 |
| 760356 | Apr 11, 2013 | Apr 11, 2013 | Sandridge Expl. and Prod., LLC | Andrews | CC Cities Service B #14 | 4,900 | 00345296 |
| 760355 | Apr 11, 2013 | Apr 11, 2013 | Sandridge Expl. and Prod., LLC | Andrews | CC Lockhart & Brown B #15 | 5,200 | 00345299 |
| 760354 | Apr 11, 2013 | Apr 11, 2013 | Sandridge Expl. and Prod., LLC | Andrews | CC Cities Service B #13 | 4,900 | 00345295 |
| 760353 | Apr 11, 2013 | Apr 11, 2013 | Sandridge Expl. and Prod., LLC | Andrews | CC Cities Service B #11 | 4,900 | 00345294 |
| 760350 | Apr 11, 2013 | Apr 11, 2013 | Sandridge Expl. and Prod., LLC | Andrews | CC Cities Service B #9 | 4,900 | 00345293 |
| 759585 | Apr 9, 2013 | Apr 9, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix 1 #25 | 5,200 | 00345292 |
| 759218 | Mar 22, 2013 | Mar 22, 2013 | Sandridge Expl. and Prod., LLC | Andrews | CC Nix Fuhrman B #10 | 4,900 | 00345250 |
| 759216 | Mar 22, 2013 | Mar 22, 2013 | Sandridge Expl. and Prod., LLC | Andrews | CC Nix Fuhrman B #8 | 4,900 | 00345249 |
| 759212 | Mar 22, 2013 | Mar 22, 2013 | Sandridge Expl. and Prod., LLC | Andrews | CC Cities Service AA #12 | 5,200 | 00345252 |
| 758807 | Mar 22, 2013 | Mar 22, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University H #10 | 5,200 | 00345245 |
| 758804 | Mar 22, 2013 | Mar 22, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University H #7 | 5,200 | 00345244 |
| 758803 | Mar 22, 2013 | Mar 22, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University E #6 | 5,200 | 00345243 |
| 758802 | Mar 22, 2013 | Mar 22, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University E #3 | 5,200 | 00345242 |
| 758801 | Mar 22, 2013 | Mar 22, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University A #16 | 5,200 | 00345235 |
| 758800 | Mar 22, 2013 | Mar 22, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University A #15 | 5,200 | 00345237 |
| 758800Amendment | Mar 22, 2013 | Mar 22, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University A #15 | 5,200 | 00345237 |
| 758798 | Mar 22, 2013 | Mar 22, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University A #11 | 5,200 | 00345236 |
| 758797 | Mar 22, 2013 | Mar 22, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University A #8 | 5,200 | 00345234 |
| 758776 | Mar 22, 2013 | Mar 22, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University 1801 #11 | 5,200 | 00345246 |
| 758761 | Mar 21, 2013 | Mar 21, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger & Nix-Snow #23 | 5,200 | 00345241 |
| 758760 | Mar 21, 2013 | Mar 21, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 19 #10 | 5,200 | 00345232 |
| 758757 | Mar 21, 2013 | Mar 21, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 19 #7 | 5,200 | 00345231 |
| 758812 | Mar 19, 2013 | Mar 19, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Prichard #3 | 5,200 | 00345229 |
| 758810 | Mar 19, 2013 | Mar 19, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Prichard #2 | 5,200 | 00345228 |
| 758743 | Mar 19, 2013 | Mar 19, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University A #12 | 5,200 | 00345226 |
| 758814 | Mar 18, 2013 | Mar 18, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix 1 #26 | 5,200 | 00345227 |
| 758742 | Mar 18, 2013 | Mar 18, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University H #9 | 5,200 | 00345225 |
| 758741 | Mar 18, 2013 | Mar 18, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University 1801 #8 | 5,200 | 00345220 |
| 758738 | Mar 18, 2013 | Mar 18, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix F #16 | 5,200 | 00345222 |
| 758737 | Mar 18, 2013 | Mar 18, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix F #13 | 5,200 | 00345221 |
| 755306 | Feb 26, 2013 | Feb 26, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 20 LZS #13 | 4,900 | 00345074 |
| 756734 | Feb 22, 2013 | Feb 22, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University 13-35 #6 | 5,200 | 00345156 |
| 756733 | Feb 22, 2013 | Feb 22, 2013 | Sandridge Expl. and Prod., LLC | Andrews | University 13-35 #5 | 5,200 | 00345155 |
| 756713 | Feb 14, 2013 | Feb 14, 2013 | Sandridge Expl. and Prod., LLC | Gaines | McCasland #2 | 7,850 | 16537743 |
| 756526 | Feb 14, 2013 | Feb 14, 2013 | Sandridge Expl. and Prod., LLC | Ector | Parker Minerals 17 #3 | 9,000 | 13542310 |
| 755144 | Feb 13, 2013 | Feb 13, 2013 | Sandridge Expl. and Prod., LLC | Andrews | EC Nix et Al #4 | 4,900 | 00345121 |
| 750629 | Feb 13, 2013 | Feb 13, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Kimberly Unit #2HH | 8,600 | 00343338 |
| 755525 | Feb 7, 2013 | Feb 7, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix A #59 | 5,200 | 00345093 |
| 755524 | Feb 5, 2013 | Feb 5, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 20 LZS #18 | 5,200 | 00345111 |
| 755523 | Feb 5, 2013 | Feb 5, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 19 #15 | 5,200 | 00345110 |
| 755522 | Feb 2, 2013 | Feb 2, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix #181 | 5,200 | 00345106 |
| 755146 | Jan 31, 2013 | Jan 31, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix A #91 | 5,200 | 00345060 |
| 755145 | Jan 31, 2013 | Jan 31, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix A #12 | 5,200 | 00345059 |
| 755143 | Jan 31, 2013 | Jan 31, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix F #12 | 5,200 | 00345096 |
| 755142 | Jan 31, 2013 | Jan 31, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix F #11 | 5,200 | 00345095 |
| 755551 | Jan 29, 2013 | Jan 29, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix #166 | 5,200 | 00345094 |
| 755369 | Jan 28, 2013 | Jan 28, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 19 #16 | 5,200 | 00345090 |
| 755365 | Jan 28, 2013 | Jan 28, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix A #83 | 5,200 | 00345063 |
| 755261 | Jan 25, 2013 | Jan 25, 2013 | Sandridge Expl. and Prod., LLC | Andrews | EC Nix et Al #9 | 5,200 | 00345066 |
| 755260 | Jan 25, 2013 | Jan 25, 2013 | Sandridge Expl. and Prod., LLC | Andrews | EC Nix et Al #8 | 5,200 | 00345061 |
| 755257 | Jan 25, 2013 | Jan 25, 2013 | Sandridge Expl. and Prod., LLC | Andrews | CC Lockhart & Brown AA #17 | 5,200 | 00345065 |
| 755242 | Jan 25, 2013 | Jan 25, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 19 #6 | 5,200 | 00345070 |
| 755240 | Jan 25, 2013 | Jan 25, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 19 #8 | 5,200 | 00345069 |
| 755238 | Jan 25, 2013 | Jan 25, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 19 #5 | 5,200 | 00345068 |
| 755236 | Jan 25, 2013 | Jan 25, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 19 #1 | 5,200 | 00345067 |
| 755233 | Jan 25, 2013 | Jan 25, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Nix 19 #13 | 5,200 | 00345064 |
| 755216 | Jan 25, 2013 | Jan 25, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix #182 | 5,200 | 00345072 |
| 755215 | Jan 25, 2013 | Jan 25, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix #172 | 5,200 | 00345062 |
| 755141 | Jan 25, 2013 | Jan 25, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix A #64 | 5,200 | 00345056 |
| 755140 | Jan 25, 2013 | Jan 25, 2013 | Sandridge Expl. and Prod., LLC | Andrews | Munger Nix A #52 | 5,200 | 00345057 |