| 721452 | Aug 5, 2011 | Aug 5, 2011 | Midland Oil and Gas, Inc. | Swindell Unit #1 | 10,500 | 22736719 |
| 721335 | Aug 5, 2011 | Aug 5, 2011 | Cobra Oil & Gas Corporation | Grantham 13 #2 | 12,000 | 22736721 |
| 721333 | Aug 5, 2011 | Aug 5, 2011 | Cobra Oil & Gas Corporation | Maxwell 15 #1 | 12,000 | 22736716 |
| 721333Amendment | Aug 5, 2011 | Aug 5, 2011 | Cobra Oil & Gas Corporation | Maxwell 15 #1 | 12,000 | 22736716 |
| 721331 | Aug 5, 2011 | Aug 5, 2011 | Cobra Oil & Gas Corporation | Hughes 49 #1 | 12,000 | 22736715 |
| 721329 | Aug 5, 2011 | Aug 5, 2011 | Cobra Oil & Gas Corporation | Grantham 12 #2 | 12,000 | 22736720 |
| 721295 | Aug 5, 2011 | Aug 5, 2011 | Crownquest Operating, LLC | Cravens 35 A #1 | 11,900 | 22736713 |
| 721262 | Aug 5, 2011 | Aug 5, 2011 | Shenandoah Petroleum Corporation | Golden Bend 34 #2SW | 7,905 | 22703018 |
| 721262Amendment | Aug 5, 2011 | Aug 5, 2011 | Shenandoah Petroleum Corporation | Golden Bend 34 #2SW | 7,905 | 22703018 |
| 721447 | Aug 4, 2011 | Aug 4, 2011 | Apache Corporation | Burnett 17 #3 | 10,000 | 22736718 |
| 721447Amendment | Aug 4, 2011 | Aug 4, 2011 | Apache Corporation | Burnett 17 #3 | 10,000 | 22736718 |
| 721447Amendment | Aug 4, 2011 | Aug 4, 2011 | Apache Corporation | Burnett 17 #3 | 10,000 | 22736718 |
| 721394 | Aug 3, 2011 | Aug 3, 2011 | Big Star Oil & Gas, LLC | Hefley 24 #1 | 12,000 | 22736717 |
| 721298 | Aug 2, 2011 | Aug 2, 2011 | Crownquest Operating, LLC | Tubb A #1 | 11,900 | 22736714 |
| 721096 | Aug 2, 2011 | Aug 2, 2011 | Linn Operating, Inc. | Nichols #1 | 10,886 | 22736391 |
| 720766 | Jul 28, 2011 | Jul 28, 2011 | Element Petroleum Operating, LLC | Bigony 1 #1 | 11,000 | 22736712 |
| 720704 | Jul 22, 2011 | Jul 22, 2011 | Big Star Oil & Gas, LLC | Windmill #1 | 12,000 | 22736710 |
| 720704Amendment | Jul 22, 2011 | Jul 22, 2011 | Big Star Oil & Gas, LLC | Windmill #1 | 12,000 | 22736710 |
| 720562 | Jul 21, 2011 | Jul 21, 2011 | Endeavor Energy Resources L.P. | Morris "33" #2 | 12,000 | 22736709 |
| 720562Amendment | Jul 21, 2011 | Jul 21, 2011 | Endeavor Energy Resources L.P. | Morris '33' #2 | 12,000 | 22736709 |
| 718868 | Jul 20, 2011 | Jul 20, 2011 | Crownquest Operating, LLC | Lilly #4902 | 11,900 | 22736690 |
| 718864 | Jul 19, 2011 | Jul 19, 2011 | Crownquest Operating, LLC | Lilly #4903 | 11,900 | 22736689 |
| 720321 | Jul 18, 2011 | Jul 18, 2011 | Big Star Oil & Gas, LLC | Smith #2 | 12,000 | 22736708 |
| 720321Amendment | Jul 18, 2011 | Jul 18, 2011 | Big Star Oil & Gas, LLC | Smith #2 | 12,000 | 22736708 |
| 720122 | Jul 15, 2011 | Jul 15, 2011 | Apache Corporation | WS Cole 14 #3 | 9,000 | 22736707 |
| 720015 | Jul 14, 2011 | Jul 14, 2011 | Linn Operating, Inc. | Haney 10 #2 | 11,000 | 22736706 |
| 719439 | Jul 8, 2011 | Jul 8, 2011 | Crownquest Operating, LLC | Talbot CQ #6 | 11,900 | 22736705 |
| 719437 | Jul 7, 2011 | Jul 7, 2011 | Crownquest Operating, LLC | Lees 22 #1 | 11,900 | 22736704 |
| 719437Amendment | Jul 7, 2011 | Jul 7, 2011 | Crownquest Operating, LLC | Lees 22 #1 | 11,900 | 22736704 |
| 719433 | Jul 7, 2011 | Jul 7, 2011 | Crownquest Operating, LLC | Knott-Stallings #1 | 11,900 | 22736703 |
| 719431 | Jul 7, 2011 | Jul 7, 2011 | Crownquest Operating, LLC | JM Davis 42 #1 | 11,900 | 22736702 |
| 719409 | Jul 1, 2011 | Jul 1, 2011 | Trilogy Operating, Inc. | TCH #4 | 10,000 | 22736701 |
| 719405 | Jul 1, 2011 | Jul 1, 2011 | Linn Operating, Inc. | Barnes 3 #3 L | 11,000 | 22736700 |
| 719405Amendment | Jul 1, 2011 | Jul 1, 2011 | Linn Operating, Inc. | Barnes 3 #3 L | 11,000 | 22736700 |
| 719388 | Jul 1, 2011 | Jul 1, 2011 | Big Star Oil & Gas, LLC | Ray #3 | 12,000 | 22736699 |
| 719388Amendment | Jul 1, 2011 | Jul 1, 2011 | Big Star Oil & Gas, LLC | Ray #3 | 12,000 | 22736699 |
| 719155 | Jun 29, 2011 | Jun 29, 2011 | Crownquest Operating, LLC | Lindsay A #54 | 11,600 | 22736696 |
| 719155Amendment | Jun 29, 2011 | Jun 29, 2011 | Breitburn Operating L.P. | Lindsay A #54 | 11,600 | 22736696 |
| 719270 | Jun 28, 2011 | Jun 28, 2011 | Nadel and Gussman Permian,l.l.c. | Stallings Lomax 31 Fee #1 | 11,000 | 22736694 |
| 719270Amendment | Jun 28, 2011 | Jun 28, 2011 | Nadel and Gussman Permian,l.l.c. | Stallings Lomax 31 Fee #1 | 11,000 | 22736694 |
| 718969 | Jun 28, 2011 | Jun 28, 2011 | Element Petroleum Operating, LLC | Thomas 3 #4 | 11,000 | 22736693 |
| 718964 | Jun 28, 2011 | Jun 28, 2011 | Element Petroleum Operating, LLC | Guitar 6 #1 | 11,000 | 22736692 |
| 718956 | Jun 28, 2011 | Jun 28, 2011 | Element Petroleum Operating, LLC | Abel 18 #1 | 11,000 | 22736691 |
| 716988 | Jun 24, 2011 | Jun 24, 2011 | Apache Corporation | Frances Gunn A #71 | 7,080 | 22734657 |
| 718908 | Jun 23, 2011 | Jun 23, 2011 | Endeavor Energy Resources L.P. | Gaskins Unit #1 | 10,482 | 22734911 |
| 718723 | Jun 22, 2011 | Jun 22, 2011 | Endeavor Energy Resources L.P. | Quinn '17' #2 | 10,222 | 22736369 |
| 718661 | Jun 17, 2011 | Jun 17, 2011 | Linn Operating, Inc. | Talbot 26 #26D | 11,300 | 22736688 |
| 718661Amendment | Jun 17, 2011 | Jun 17, 2011 | Linn Operating, Inc. | Talbot 26 #26D | 11,300 | 22736688 |
| 718269 | Jun 17, 2011 | Jun 17, 2011 | Meritage Energy Company, LLC | Taylor #4722 | 10,600 | 22736687 |
| 718140 | Jun 16, 2011 | Jun 16, 2011 | Element Petroleum Operating, LLC | Zula 1 #2 | 11,000 | 22736685 |
| 718136 | Jun 16, 2011 | Jun 16, 2011 | Element Petroleum Operating, LLC | McCrary 18 #1 | 11,000 | 22736684 |
| 718136Amendment | Jun 16, 2011 | Jun 16, 2011 | Element Petroleum Operating, LLC | McCrary 18 #1 | 11,000 | 22736684 |
| 718128 | Jun 16, 2011 | Jun 16, 2011 | Crownquest Operating, LLC | Clo 32 #2 | 11,800 | 22736686 |
| 718264 | Jun 15, 2011 | Jun 15, 2011 | Element Petroleum Operating, LLC | Fryar 4 #3T | 11,000 | 22736683 |
| 718201 | Jun 15, 2011 | Jun 15, 2011 | Mak-J Energy Partners(tx),ltd. | Otb Lloyd 42 #7 | 12,000 | 22736364 |
| 718259 | Jun 14, 2011 | Jun 14, 2011 | Meritage Energy Company, LLC | Guthrie #3021 | 10,600 | 22736682 |
| 718259Amendment | Jun 14, 2011 | Jun 14, 2011 | Meritage Energy Company, LLC | Guthrie #3021 | 10,600 | 22736682 |
| 718088 | Jun 14, 2011 | Jun 14, 2011 | Conocophillips Company | Chalk, G. O. -F- #6 | 3,150 | 22734671 |
| 718126 | Jun 13, 2011 | Jun 13, 2011 | Crownquest Operating, LLC | Newcomer 41 #1 | 11,800 | 22736679 |
| 718058 | Jun 10, 2011 | Jun 10, 2011 | Laredo Petroleum, Inc. | Tex 8 #3R | 11,000 | 22736681 |
| 718058Amendment | Jun 10, 2011 | Jun 10, 2011 | Laredo Petroleum, Inc. | Tex 8 #3R | 11,000 | 22736681 |
| 717769 | Jun 10, 2011 | Jun 10, 2011 | Desert Production, Inc. | Sterling 'A' #3 | 3,500 | 22736680 |
| 717280 | Jun 8, 2011 | Jun 8, 2011 | Sharp Image Energy, Inc. | Primero 42 #C 4 | 9,550 | 22733935 |
| 717387 | Jun 2, 2011 | Jun 2, 2011 | Crownquest Operating, LLC | Guitar Galusha #1 | 11,900 | 22736677 |
| 717385 | Jun 1, 2011 | Jun 1, 2011 | Crownquest Operating, LLC | Spring 17 #1 | 11,900 | 22736678 |
| 716834 | Jun 1, 2011 | Jun 1, 2011 | Crownquest Operating, LLC | Free 32 #3 | 11,000 | 22736675 |
| 716903 | May 27, 2011 | May 27, 2011 | Crownquest Operating, LLC | Hodnett 23 #3 | 11,000 | 22736676 |
| 716830 | May 26, 2011 | May 26, 2011 | Crownquest Operating, LLC | S. O. Williams 21 A #3 | 11,900 | 22736674 |
| 716821 | May 25, 2011 | May 25, 2011 | Conocophillips Company | Reed -A- #22 | 3,350 | 22734619 |
| 716967 | May 24, 2011 | May 24, 2011 | Crownquest Operating, LLC | Little a 31 #6 | 11,000 | 22736673 |
| 716965 | May 24, 2011 | May 24, 2011 | Crownquest Operating, LLC | Little a 31 #5 | 11,000 | 22736672 |
| 716965Amendment | May 24, 2011 | May 24, 2011 | Breitburn Operating L.P. | Little a 31 #5 | 11,000 | 22736672 |
| 716796 | May 23, 2011 | May 23, 2011 | Endeavor Energy Resources L.P. | McGregor '14' #1 | 12,000 | 22736670 |
| 716744 | May 20, 2011 | May 20, 2011 | Pioneer Natural Res. USA, Inc. | Miller '6' #1 | 10,400 | 22736669 |
| 716722 | May 20, 2011 | May 20, 2011 | Pioneer Natural Res. USA, Inc. | Kraetz #1 | 10,300 | 22736668 |
| 716694 | May 19, 2011 | May 19, 2011 | Endeavor Energy Resources L.P. | McGregor "14A" #1 | 12,000 | 22736666 |
| 716680 | May 19, 2011 | May 19, 2011 | Element Petroleum Operating, LLC | Loudamy 45 #2 | 11,000 | 22736667 |
| 716212 | May 19, 2011 | May 19, 2011 | Nadel and Gussman Permian,l.l.c. | Broughton 36 Fee #2 | 11,000 | 22736664 |
| 716212Amendment | May 19, 2011 | May 19, 2011 | Nadel and Gussman Permian,l.l.c. | Broughton 36 Fee #2 | 11,000 | 22736664 |
| 716168 | May 19, 2011 | May 19, 2011 | Element Petroleum Operating, LLC | McCrary 10 #1 | 11,000 | 22736466 |
| 716553 | May 18, 2011 | May 18, 2011 | Trilogy Operating, Inc. | Trentino 36 #3 | 10,500 | 22736665 |
| 716553Amendment | May 18, 2011 | May 18, 2011 | Trilogy Operating, Inc. | Trentino 36 #3 | 10,500 | 22736665 |
| 715853 | May 17, 2011 | May 17, 2011 | Meritage Energy Company, LLC | Tidwell #4111 | 10,600 | 22736662 |
| 715853Amendment | May 17, 2011 | May 17, 2011 | Meritage Energy Company, LLC | Tidwell #4111 | 10,600 | 22736662 |
| 716146 | May 13, 2011 | May 13, 2011 | Endeavor Energy Resources L.P. | Lake '13' #1 | 12,000 | 22736663 |
| 716056 | May 12, 2011 | May 12, 2011 | Endeavor Energy Resources L.P. | McGregor '19' #1 | 12,000 | 22736661 |
| 716040 | May 12, 2011 | May 12, 2011 | RRG Operating, LLC | Saunders 3 #1 | 10,300 | 22734884 |
| 713400 | May 12, 2011 | May 12, 2011 | Endeavor Energy Resources L.P. | Jones Estate "18" #1 | 11,000 | 22733635 |
| 713400Amendment | May 12, 2011 | May 12, 2011 | Endeavor Energy Resources L.P. | Jones Estate '18' #1 | 11,000 | 22733635 |
| 713400Amendment | May 12, 2011 | May 12, 2011 | Endeavor Energy Resources L.P. | Jones Estate '18' #1 | 11,000 | 22733635 |
| 713400Amendment | May 12, 2011 | May 12, 2011 | Endeavor Energy Resources L.P. | Jones Estate '18' #1 | 11,000 | 22733635 |
| 715913 | May 11, 2011 | May 11, 2011 | Endeavor Energy Resources L.P. | Guitar '4' #1 | 12,000 | 22736660 |
| 715395 | May 4, 2011 | May 4, 2011 | Meritage Energy Company, LLC | Donelson 'A' #3714 | 10,600 | 22736659 |
| 715046 | May 3, 2011 | May 3, 2011 | Cobra Oil & Gas Corporation | Reed 1 #2 | 12,000 | 22736656 |
| 715042 | May 3, 2011 | May 3, 2011 | Cobra Oil & Gas Corporation | Billie Ruth Adams 38 #2 | 12,000 | 22736657 |
| 715042Amendment | May 3, 2011 | May 3, 2011 | Cobra Oil & Gas Corporation | Billie Ruth Adams 38 #2 | 12,000 | 22736657 |
| 715037 | May 3, 2011 | May 3, 2011 | Cobra Oil & Gas Corporation | Ware 30 #3 | 12,000 | 22736655 |
| 713418 | May 3, 2011 | May 3, 2011 | Conocophillips Company | Chalk, Sloan #29 | 7,900 | 22735726 |
| 712796 | May 2, 2011 | May 2, 2011 | Cobra Oil & Gas Corporation | Gaskins 14 #1 | 12,000 | 22736630 |
| 714621 | Apr 28, 2011 | Apr 28, 2011 | Element Petroleum Operating, LLC | Thomas 3 #3 | 11,000 | 22736654 |