| 744476 | Jul 31, 2012 | Jul 31, 2012 | Texland Petroleum, L.P. | S.W. Wellman Unit WSW #3 | 12,730 | 44510032 |
| 742330 | Jun 26, 2012 | Jun 26, 2012 | Stanolind Operating LLC | Northwest Terry Abo #311 | 8,200 | 44532337 |
| 742328 | Jun 26, 2012 | Jun 26, 2012 | Stanolind Operating LLC | Northwest Terry Abo #204 | 8,200 | 44532336 |
| 742327 | Jun 26, 2012 | Jun 26, 2012 | Stanolind Operating LLC | Northwest Terry Abo #312 | 8,200 | 44532335 |
| 742325 | Jun 26, 2012 | Jun 26, 2012 | Stanolind Operating LLC | Northwest Terry Abo #606 | 8,200 | 44532334 |
| 742535 | Jun 19, 2012 | Jun 19, 2012 | Empresa Energy LLC | Proctor 94 #1HH | 9,900 | 44532338 |
| 741769 | Jun 8, 2012 | Jun 8, 2012 | Trail Mountain, Inc. | Trudgen #1HH | 11,200 | 44532333 |
| 738186 | Apr 27, 2012 | Apr 27, 2012 | Trail Mountain, Inc. | Lockett #3HH | 9,265 | 44531119 |
| 735543 | Mar 17, 2012 | Mar 17, 2012 | Shell Western E&P | Caswell #T 1V | 13,000 | 44532332 |
| 735543Amendment | Mar 17, 2012 | Mar 17, 2012 | Shell Western E&P | Caswell #T 1V | 13,000 | 44532332 |
| 733372 | Feb 28, 2012 | Feb 28, 2012 | Texland Petroleum, L.P. | Brown Trust #1 | 5,800 | 44532272 |
| 733205 | Feb 16, 2012 | Feb 16, 2012 | Cambrian Management, Ltd. | Minton #1W | 13,800 | 44530951 |
| 732924 | Feb 10, 2012 | Feb 10, 2012 | COG Operating LLC | Red Headed Stranger #1 | 11,200 | 44532330 |
| 732924Amendment | Feb 10, 2012 | Feb 10, 2012 | COG Operating LLC | Red Headed Stranger #1HH | 11,600 | 44532330 |
| 732924Amendment | Feb 10, 2012 | Feb 10, 2012 | COG Operating LLC | Red Headed Stranger #1HH | 11,600 | 44532330 |
| 732924Amendment | Feb 10, 2012 | Feb 10, 2012 | COG Operating LLC | Red Headed Stranger #1 | 11,600 | 44532330 |
| 732666 | Feb 9, 2012 | Feb 9, 2012 | Trail Mountain, Inc. | Doornbos #1 | 11,800 | 44532329 |
| 731880 | Jan 25, 2012 | Jan 25, 2012 | Walsh Petroleum, Inc. | Glimp Unit #14R | 5,600 | 44530961 |
| 731265 | Jan 24, 2012 | Jan 24, 2012 | Merit Energy Company | Muldrow Unit #6HH | 5,368 | 44531072 |
| 731265Amendment | Jan 24, 2012 | Jan 24, 2012 | Merit Energy Company | Muldrow Unit #6HH | 5,368 | 44531072 |
| 729813 | Dec 15, 2011 | Dec 15, 2011 | Stanolind Operating LLC | Northwest Terry Abo #605 | 8,200 | 44532328 |
| 729812 | Dec 14, 2011 | Dec 14, 2011 | Stanolind Operating LLC | Northwest Terry Abo #310 | 8,200 | 44532327 |
| 729812Amendment | Dec 14, 2011 | Dec 14, 2011 | Stanolind Operating LLC | Northwest Terry Abo #310 | 8,200 | 44532327 |
| 729403 | Dec 9, 2011 | Dec 9, 2011 | Red Willow Production, LLC | Bartley 109 #1 | 12,000 | 44532326 |
| 728082 | Nov 15, 2011 | Nov 15, 2011 | Wagner & Brown, Ltd. | Andrews #1 | 12,000 | 44532325 |
| 727917 | Nov 15, 2011 | Nov 15, 2011 | W&T Offshore, Inc. | Parker 6 #1 | 12,200 | 44532322 |
| 727932 | Nov 10, 2011 | Nov 10, 2011 | W&T Offshore, Inc. | Barron 4 #2 | 12,200 | 44532324 |
| 727932Amendment | Nov 10, 2011 | Nov 10, 2011 | W&T Offshore, Inc. | Barron 4 #2 | 12,200 | 44532324 |
| 727932Amendment | Nov 10, 2011 | Nov 10, 2011 | W&T Offshore, Inc. | Barron 4 #2 | 12,200 | 44532324 |
| 727930 | Nov 10, 2011 | Nov 10, 2011 | W&T Offshore, Inc. | Holloway 23 #1 | 12,200 | 44532323 |
| 727771 | Nov 9, 2011 | Nov 9, 2011 | Red Willow Production, LLC | Sowell 55 #1 | 12,200 | 44532321 |
| 727771Amendment | Nov 9, 2011 | Nov 9, 2011 | Red Willow Production, LLC | Sowell 55 #1 | 12,200 | 44532321 |
| 727771Amendment | Nov 9, 2011 | Nov 9, 2011 | Red Willow Production, LLC | Sowell 55 #1 | 12,200 | 44532321 |
| 727617 | Nov 8, 2011 | Nov 8, 2011 | Texland Petroleum, L.P. | Wellman, SW (San Andres) Unit #42 HH | 5,500 | 44532320 |
| 726621 | Nov 1, 2011 | Nov 1, 2011 | Stanolind Operating LLC | Northwest Terry Abo #307 | 8,100 | 44530911 |
| 725964 | Nov 1, 2011 | Nov 1, 2011 | XTO Energy Inc. | Prentice Northeast Unit #527 | 7,500 | 44532312 |
| 726617 | Oct 31, 2011 | Oct 31, 2011 | Stanolind Operating LLC | Northwest Terry Abo #302 | 8,100 | 44530603 |
| 724038 | Oct 31, 2011 | Oct 31, 2011 | Cambrian Management, Ltd. | Griffith "148" #1 | 12,400 | 44532319 |
| 726688 | Oct 27, 2011 | Oct 27, 2011 | Chevron U. S. A. Inc. | Mallet Land & Cattle Co. #123 | 5,300 | 44532318 |
| 726687 | Oct 27, 2011 | Oct 27, 2011 | Chevron U. S. A. Inc. | Mallet Land & Cattle Co. #122 | 5,300 | 44532317 |
| 726672 | Oct 27, 2011 | Oct 27, 2011 | Chevron U. S. A. Inc. | Mallet Land & Cattle Co. #121 | 5,300 | 44532316 |
| 726622 | Oct 25, 2011 | Oct 25, 2011 | Stanolind Operating LLC | Northwest Terry Abo #308 | 8,100 | 44530893 |
| 726619 | Oct 25, 2011 | Oct 25, 2011 | Stanolind Operating LLC | Northwest Terry Abo #201 | 8,100 | 44530579 |
| 726664 | Oct 24, 2011 | Oct 24, 2011 | Chevron U. S. A. Inc. | Mallet Land & Cattle Co. #120 | 5,300 | 44532315 |
| 726633 | Oct 24, 2011 | Oct 24, 2011 | XTO Energy Inc. | Griffin #1 | 7,550 | 44532314 |
| 725966 | Oct 14, 2011 | Oct 14, 2011 | XTO Energy Inc. | Prentice Northeast Unit #581 | 7,500 | 44532313 |
| 725241 | Sep 30, 2011 | Sep 30, 2011 | W&T Offshore, Inc. | State Travis "20" #1 | 12,250 | 44532311 |
| 725241Amendment | Sep 30, 2011 | Sep 30, 2011 | W&T Offshore, Inc. | State Travis '20' #1 | 12,250 | 44532311 |
| 724545 | Sep 22, 2011 | Sep 22, 2011 | Cambrian Management, Ltd. | Noble '59' #2 | 12,400 | 44532310 |
| 724082 | Sep 14, 2011 | Sep 14, 2011 | Trail Mountain, Inc. | Lockett #1 | 11,500 | 44532309 |
| 724063 | Sep 14, 2011 | Sep 14, 2011 | Walsh Petroleum, Inc. | Glimp 'A' #1HH | 9,000 | 44532308 |
| 724060 | Sep 14, 2011 | Sep 14, 2011 | Cambrian Management, Ltd. | Paddack "8" #1 | 12,400 | 44532307 |
| 723908 | Sep 13, 2011 | Sep 13, 2011 | Cambrian Management, Ltd. | Klattenloff "5" #1 | 12,500 | 44532306 |
| 722099 | Sep 7, 2011 | Sep 7, 2011 | Great Western Drilling Company | Brit Clare #21 | 8,500 | 44532297 |
| 723364 | Sep 1, 2011 | Sep 1, 2011 | Red Willow Production, LLC | Buckner '133' #1 | 12,200 | 44532305 |
| 723364Amendment | Sep 1, 2011 | Sep 1, 2011 | Red Willow Production, LLC | Buckner '133' #1 | 12,200 | 44532305 |
| 723364Amendment | Sep 1, 2011 | Sep 1, 2011 | Red Willow Production, LLC | Buckner '133' #1 | 12,200 | 44532305 |
| 723149 | Aug 29, 2011 | Aug 29, 2011 | Cambrian Management, Ltd. | Green Onion 60 #1 | 12,200 | 44532304 |
| 723149Amendment | Aug 29, 2011 | Aug 29, 2011 | Cambrian Management, Ltd. | Green Onion 60 #1 | 12,400 | 44532304 |
| 722515 | Aug 19, 2011 | Aug 19, 2011 | Cambrian Management, Ltd. | Bucy 10 #1 | 12,400 | 44532302 |
| 722513 | Aug 19, 2011 | Aug 19, 2011 | Cambrian Management, Ltd. | Hurd 56 #1 | 12,400 | 44532300 |
| 722511 | Aug 19, 2011 | Aug 19, 2011 | Cambrian Management, Ltd. | Griffith '61' #1 | 12,400 | 44532303 |
| 722510 | Aug 19, 2011 | Aug 19, 2011 | Cambrian Management, Ltd. | Griffith 62 #1 | 12,400 | 44532301 |
| 722506 | Aug 19, 2011 | Aug 19, 2011 | Cambrian Management, Ltd. | Red Onion 48 #1 | 12,400 | 44532299 |
| 722506Amendment | Aug 19, 2011 | Aug 19, 2011 | Cambrian Management, Ltd. | Red Onion 48 #1 | 12,400 | 44532299 |
| 722503 | Aug 19, 2011 | Aug 19, 2011 | Cambrian Management, Ltd. | Red Onion 49 #1 | 12,400 | 44532298 |
| 721106 | Jul 29, 2011 | Jul 29, 2011 | Trail Mountain, Inc. | Clementine #1 | 12,900 | 44532296 |
| 721106Amendment | Jul 29, 2011 | Jul 29, 2011 | Trail Mountain, Inc. | Clementine #1 | 12,900 | 44532296 |
| 720208 | Jul 19, 2011 | Jul 19, 2011 | W&T Offshore, Inc. | State Henson "20" #1 | 12,500 | 44532295 |
| 720208Amendment | Jul 19, 2011 | Jul 19, 2011 | W&T Offshore, Inc. | State Henson '20' #1 | 12,500 | 44532295 |
| 720206 | Jul 15, 2011 | Jul 15, 2011 | W&T Offshore, Inc. | State Holder "24" #1 | 12,500 | 44532294 |
| 720206Amendment | Jul 15, 2011 | Jul 15, 2011 | W&T Offshore, Inc. | State Holder '24' #1 | 12,500 | 44532294 |
| 720203 | Jul 15, 2011 | Jul 15, 2011 | W&T Offshore, Inc. | Barron "4" #1 | 12,500 | 44532293 |
| 720203Amendment | Jul 15, 2011 | Jul 15, 2011 | W&T Offshore, Inc. | Barron '4' #1 | 12,500 | 44532293 |
| 719833 | Jul 13, 2011 | Jul 13, 2011 | Limestone Exploration II, LLC | Henson #1 | 11,580 | 44531641 |
| 719656 | Jul 8, 2011 | Jul 8, 2011 | Cambrian Management, Ltd. | Noble '59' #1R | 12,400 | 44532292 |
| 718037 | Jun 13, 2011 | Jun 13, 2011 | Texland Petroleum, L.P. | Muldrow #22 | 5,500 | 44532291 |
| 717733 | Jun 8, 2011 | Jun 8, 2011 | Great Western Drilling Company | Brit Clare #22 | 8,500 | 44532290 |
| 717439 | Jun 3, 2011 | Jun 3, 2011 | Red Willow Production, LLC | Ross Cotton Farms 120 #1 | 12,200 | 44532289 |
| 717439Amendment | Jun 3, 2011 | Jun 3, 2011 | Red Willow Production, LLC | Ross Cotton Farms 120 #1 | 12,200 | 44532289 |
| 717439Amendment | Jun 3, 2011 | Jun 3, 2011 | Red Willow Production, LLC | Ross Cotton Farms 120 #1 | 12,200 | 44532289 |
| 710350 | Jun 2, 2011 | Jun 2, 2011 | Trail Mountain, Inc. | Mabee #5 | 8,200 | 44532280 |
| 713891 | May 18, 2011 | May 18, 2011 | Sandridge Tertiary, LLC | Wellman Unit #405 | 10,300 | 44500087 |
| 716092 | May 17, 2011 | May 17, 2011 | Cambrian Management, Ltd. | Hurd "58" #1 | 12,400 | 44532288 |
| 716092Amendment | May 17, 2011 | May 17, 2011 | Raw Oil & Gas, Inc. | Hurd '58' #1 | 12,400 | 44532288 |
| 716084 | May 17, 2011 | May 17, 2011 | Cambrian Management, Ltd. | Crutcher #2 | 12,400 | 44532287 |
| 716079 | May 17, 2011 | May 17, 2011 | Cambrian Management, Ltd. | Red Onion "60" #1 | 12,400 | 44532286 |
| 716079Amendment | May 17, 2011 | May 17, 2011 | Cambrian Management, Ltd. | Red Onion '60' #1 | 12,400 | 44532286 |
| 707590 | May 17, 2011 | May 17, 2011 | Trail Mountain, Inc. | Helen #12 | 8,200 | 44532277 |
| 716070 | May 12, 2011 | May 12, 2011 | Cambrian Management, Ltd. | Noble '59' #1 | 12,400 | 44532285 |
| 715603 | May 6, 2011 | May 6, 2011 | Red Willow Production, LLC | Noble "134" #1 | 12,000 | 44532284 |
| 715603Amendment | May 6, 2011 | May 6, 2011 | Red Willow Production, LLC | Noble '134' #1 | 12,000 | 44532284 |
| 715603Amendment | May 6, 2011 | May 6, 2011 | Red Willow Production, LLC | Noble '134' #1 | 12,000 | 44532284 |
| 715603Amendment | May 6, 2011 | May 6, 2011 | Red Willow Production, LLC | Noble '134' #1 | 12,000 | 44532284 |
| 714906 | May 2, 2011 | May 2, 2011 | Walsh & Watts, Inc. | Taylor #5 | 5,800 | 44532283 |
| 714437 | Apr 20, 2011 | Apr 20, 2011 | Raw Oil & Gas, Inc. | Rich Lake Unit #1 | 12,000 | 44532282 |
| 710340 | Feb 24, 2011 | Feb 24, 2011 | Trail Mountain, Inc. | Mabee #6 | 8,200 | 44532366 |
| 710337 | Feb 23, 2011 | Feb 23, 2011 | Trail Mountain, Inc. | Mabee #4 | 8,500 | 44532367 |
| 710275 | Feb 23, 2011 | Feb 23, 2011 | Sandridge Tertiary, LLC | Rich #1 | 13,150 | 44500081 |
| 702677 | Feb 23, 2011 | Feb 23, 2011 | Great Western Drilling Company | Suntura (Lower Clear Fork) WS #1WS | 400 | 44532281 |