| 831737 | Oct 18, 2017 | Oct 18, 2017 | RSP Permian, LLC | Calverley 37-36 #5HH | 12,000 | 17337726 |
| 831737Amendment | Oct 18, 2017 | Oct 18, 2017 | COG Operating LLC | Calverley 37-36 #5HH | 12,000 | 17337726 |
| 831736 | Oct 18, 2017 | Oct 18, 2017 | RSP Permian, LLC | Calverley 37-36 #4HH | 12,000 | 17337725 |
| 831728 | Oct 18, 2017 | Oct 18, 2017 | RSP Permian, LLC | Calverley 37-36 #3HH | 12,000 | 17337724 |
| 831415 | Oct 13, 2017 | Oct 13, 2017 | Endeavor Energy Resources L.P. | Koonce '46' #2 | 10,510 | 17333253 |
| 831414 | Oct 13, 2017 | Oct 13, 2017 | Endeavor Energy Resources L.P. | Koonce '46' #1 | 10,500 | 17333089 |
| 831438 | Oct 9, 2017 | Oct 9, 2017 | Cinnabar Operating, LLC | Andrew #3804HAH | 8,500 | 17337723 |
| 831438Amendment | Oct 9, 2017 | Oct 9, 2017 | Cinnabar Operating, LLC | Andrew #3804HAH | 8,500 | 17337723 |
| 831010 | Oct 4, 2017 | Oct 4, 2017 | Hunt Oil Company | Calverley B-Reed 40 #104HAH | 8,384 | 17337720 |
| 830483 | Oct 4, 2017 | Oct 4, 2017 | Trilogy Operating, Inc. | TCG #11 | 12,000 | 17337709 |
| 830483Amendment | Oct 4, 2017 | Oct 4, 2017 | Trilogy Operating, Inc. | TCG #11 | 12,000 | 17337709 |
| 829294 | Oct 4, 2017 | Oct 4, 2017 | Endeavor Energy Resources L.P. | Earhart '34A' #2 | 10,675 | 17333374 |
| 831307 | Sep 29, 2017 | Sep 29, 2017 | Endeavor Energy Resources L.P. | Hubbard '18B' #2 | 10,550 | 17333117 |
| 831305 | Sep 29, 2017 | Sep 29, 2017 | Endeavor Energy Resources L.P. | Hubbard '18B' #1 | 10,463 | 17333111 |
| 831088 | Sep 29, 2017 | Sep 29, 2017 | Pioneer Natural Res. USA, Inc. | Cook E 20B #3HH | 10,600 | 17337722 |
| 830105 | Sep 29, 2017 | Sep 29, 2017 | Pioneer Natural Res. USA, Inc. | Houston-Wells 2W #23HH | 10,600 | 17337704 |
| 830104 | Sep 29, 2017 | Sep 29, 2017 | Pioneer Natural Res. USA, Inc. | Houston-Wells 2V #22HH | 10,600 | 17337703 |
| 830101 | Sep 29, 2017 | Sep 29, 2017 | Pioneer Natural Res. USA, Inc. | Houston-Wells 2U #21HH | 10,600 | 17337702 |
| 830099 | Sep 29, 2017 | Sep 29, 2017 | Pioneer Natural Res. USA, Inc. | Houston-Wells 2T #20HH | 10,600 | 17337701 |
| 831021 | Sep 27, 2017 | Sep 27, 2017 | Hunt Oil Company | Calverley B-Reed 40 #104HBH | 8,655 | 17337721 |
| 831009 | Sep 27, 2017 | Sep 27, 2017 | Hunt Oil Company | Calverley B-Reed 40 #204HLH | 7,750 | 17337719 |
| 831009Amendment | Sep 27, 2017 | Sep 27, 2017 | Hunt Oil Company | Calverley B-Reed 40 #204HLH | 8,153 | 17337719 |
| 830066 | Sep 27, 2017 | Sep 27, 2017 | Pioneer Natural Res. USA, Inc. | Houston-Wells 2S #19HH | 10,600 | 17337699 |
| 830887 | Sep 18, 2017 | Sep 18, 2017 | Crownquest Operating, LLC | Colt 45 #8HAH | 10,000 | 17337718 |
| 830845 | Sep 18, 2017 | Sep 18, 2017 | Apache Corporation | Gibson 7 Unit #1A | 10,449 | 17334572 |
| 830786 | Sep 15, 2017 | Sep 15, 2017 | Parsley Energy Operations, LLC | Hubbard 26-35 #2809HH | 8,092 | 17337717 |
| 830786Amendment | Sep 15, 2017 | Sep 15, 2017 | Parsley Energy Operations, LLC | Hubbard 26-35 #2809HH | 8,092 | 17337717 |
| 830780 | Sep 15, 2017 | Sep 15, 2017 | Parsley Energy Operations, LLC | Hubbard 26-35 #4209HH | 8,525 | 17337716 |
| 830780Amendment | Sep 15, 2017 | Sep 15, 2017 | Parsley Energy Operations, LLC | Hubbard 26-35 #4209HH | 8,525 | 17337716 |
| 830770 | Sep 15, 2017 | Sep 15, 2017 | Parsley Energy Operations, LLC | Hubbard 26-35 #4309HH | 8,806 | 17337715 |
| 830770Amendment | Sep 15, 2017 | Sep 15, 2017 | Parsley Energy Operations, LLC | Hubbard 26-35 #4309HH | 8,806 | 17337715 |
| 830673 | Sep 14, 2017 | Sep 14, 2017 | Crownquest Operating, LLC | Colt 45 #6HBH | 10,000 | 17337714 |
| 830664 | Sep 14, 2017 | Sep 14, 2017 | Crownquest Operating, LLC | Colt 45 #5HBH | 10,000 | 17337713 |
| 830430 | Sep 5, 2017 | Sep 5, 2017 | Pioneer Natural Res. USA, Inc. | Tom-Corson 41F #6HH | 10,000 | 17337711 |
| 830426 | Sep 5, 2017 | Sep 5, 2017 | Pioneer Natural Res. USA, Inc. | Tom-Corson 41E #5HH | 10,000 | 17337710 |
| 830423 | Sep 5, 2017 | Sep 5, 2017 | Pioneer Natural Res. USA, Inc. | Tom-Corson 41D #4HH | 10,000 | 17337712 |
| 830500 | Aug 31, 2017 | Aug 31, 2017 | Apache Corporation | E D Books 11 #6 | 11,000 | 17334122 |
| 830158 | Aug 29, 2017 | Aug 29, 2017 | Laredo Petroleum, Inc. | Barbee B 2-1 (Alloc-E) #5SUH | 9,000 | 17337708 |
| 830146 | Aug 29, 2017 | Aug 29, 2017 | Laredo Petroleum, Inc. | Barbee B 2-1 (Alloc-D) #4SUH | 9,000 | 17337707 |
| 830107 | Aug 29, 2017 | Aug 29, 2017 | Laredo Petroleum, Inc. | Barbee B 2-6 (Alloc-C) #3SUH | 9,000 | 17337706 |
| 829292 | Aug 29, 2017 | Aug 29, 2017 | Endeavor Energy Resources L.P. | Earhart '34A' #1 | 10,710 | 17333343 |
| 830091 | Aug 28, 2017 | Aug 28, 2017 | Laredo Petroleum, Inc. | Barbee B 2-6 (Alloc-B) #2SUH | 9,000 | 17337700 |
| 830028 | Aug 28, 2017 | Aug 28, 2017 | Trilogy Operating, Inc. | JJ Phillips #3 | 11,000 | 17337705 |
| 829250 | Aug 25, 2017 | Aug 25, 2017 | Energen Resources Corporation | Sem SN 35-26 03 #203HH | 12,000 | 17337686 |
| 829250Amendment | Aug 25, 2017 | Aug 25, 2017 | Energen Resources Corporation | Sem SN 35-26 03 #203HH | 12,000 | 17337686 |
| 829915 | Aug 24, 2017 | Aug 24, 2017 | Parsley Energy Operations, LLC | Hanson 45 SWD #1D | 5,000 | 17337698 |
| 830005 | Aug 23, 2017 | Aug 23, 2017 | Parsley Energy Operations, LLC | Vector 30-SWD #1D | 4,825 | 17337697 |
| 830005Amendment | Aug 23, 2017 | Aug 23, 2017 | Parsley Energy Operations, LLC | Vector 30-SWD #1D | 4,825 | 17337697 |
| 829892 | Aug 22, 2017 | Aug 22, 2017 | Parsley Energy Operations, LLC | Calverley '36-25A' #2807HH | 7,926 | 17337696 |
| 828953 | Aug 21, 2017 | Aug 21, 2017 | Apache Corporation | Cook 21 #17 | 11,000 | 17334988 |
| 829879 | Aug 18, 2017 | Aug 18, 2017 | Parsley Energy Operations, LLC | Calverley '36-25A' #4207HH | 8,337 | 17337695 |
| 829821 | Aug 18, 2017 | Aug 18, 2017 | Parsley Energy Operations, LLC | Calverley '36-25A' #4807HH | 9,435 | 17337694 |
| 828597 | Aug 10, 2017 | Aug 10, 2017 | Crownquest Operating, LLC | Dodson Trust 12 #4 | 12,000 | 17337665 |
| 829081 | Aug 7, 2017 | Aug 7, 2017 | RSP Permian, LLC | Calverley 22-27 #302HH | 12,000 | 17337681 |
| 829247 | Aug 4, 2017 | Aug 4, 2017 | Diamondback E&P LLC | Target R #3904WAH | 9,515 | 17337693 |
| 829246 | Aug 4, 2017 | Aug 4, 2017 | Diamondback E&P LLC | Target Q #3903WAH | 9,510 | 17337692 |
| 829245 | Aug 4, 2017 | Aug 4, 2017 | Diamondback E&P LLC | Target P #3903WBH | 9,760 | 17337691 |
| 829244 | Aug 4, 2017 | Aug 4, 2017 | Diamondback E&P LLC | Target O #3902WAH | 9,505 | 17337690 |
| 828416 | Aug 4, 2017 | Aug 4, 2017 | Encana Oil & Gas(usa) Inc. | Clark 1F #6HKH | 10,000 | 17337659 |
| 828416Amendment | Aug 4, 2017 | Aug 4, 2017 | Encana Oil & Gas(usa) Inc. | Clark 1FF #6HKH | 10,000 | 17337659 |
| 828415 | Aug 4, 2017 | Aug 4, 2017 | Encana Oil & Gas(usa) Inc. | Clark 1F #5HJH | 10,000 | 17337657 |
| 828414 | Aug 4, 2017 | Aug 4, 2017 | Encana Oil & Gas(usa) Inc. | Clark 1F #4HKH | 10,000 | 17337656 |
| 829266 | Aug 1, 2017 | Aug 1, 2017 | Parsley Energy Operations, LLC | Vector 30-19 #2807HH | 7,587 | 17337689 |
| 829262 | Aug 1, 2017 | Aug 1, 2017 | Parsley Energy Operations, LLC | Vector 30-19 #4207HH | 8,027 | 17337688 |
| 829260 | Jul 31, 2017 | Jul 31, 2017 | Parsley Energy Operations, LLC | Vector 30-19 #4807HH | 9,377 | 17337687 |
| 829078 | Jul 31, 2017 | Jul 31, 2017 | RSP Permian, LLC | Calverley 22-27 #303HH | 12,000 | 17337680 |
| 829128 | Jul 28, 2017 | Jul 28, 2017 | Parsley Energy Operations, LLC | Brunson 42-43 #2801HH | 8,367 | 17337684 |
| 829124 | Jul 26, 2017 | Jul 26, 2017 | Parsley Energy Operations, LLC | Brunson 42-43 #4201HH | 8,832 | 17337683 |
| 829124Amendment | Jul 26, 2017 | Jul 26, 2017 | Parsley Energy Operations, LLC | Brunson 42-43 #4201HH | 8,832 | 17337683 |
| 829092 | Jul 26, 2017 | Jul 26, 2017 | Parsley Energy Operations, LLC | Brunson 42-43 #4301HH | 9,037 | 17337682 |
| 829092Amendment | Jul 26, 2017 | Jul 26, 2017 | Parsley Energy Operations, LLC | Brunson 42-43 #4301HH | 9,037 | 17337682 |
| 829085 | Jul 25, 2017 | Jul 25, 2017 | RSP Permian, LLC | Calverley 22-27 S #304HH | 12,000 | 17337685 |
| 829085Amendment | Jul 25, 2017 | Jul 25, 2017 | RSP Permian, LLC | Calverley 22-27 #304HH | 12,000 | 17337685 |
| 829073 | Jul 24, 2017 | Jul 24, 2017 | RSP Permian, LLC | Calverley 22-27 D #301HH | 12,000 | 17337679 |
| 829073Amendment | Jul 24, 2017 | Jul 24, 2017 | RSP Permian, LLC | Calverley 22-27 #301HH | 12,000 | 17337679 |
| 828971 | Jul 24, 2017 | Jul 24, 2017 | Hunt Oil Company | Calverley B-Reed 50 #105HAH | 8,500 | 17337675 |
| 828958 | Jul 21, 2017 | Jul 21, 2017 | Hunt Oil Company | Calverley B-Reed 50 #105HBH | 8,740 | 17337674 |
| 828853 | Jul 21, 2017 | Jul 21, 2017 | Parsley Energy Operations, LLC | Catfish Hunter '12-1' #4405HH | 9,336 | 17337673 |
| 827382 | Jul 20, 2017 | Jul 20, 2017 | Cinnabar Operating, LLC | Quahadi B #0314HBH | 10,500 | 17337677 |
| 827382Amendment | Jul 20, 2017 | Jul 20, 2017 | Cinnabar Operating, LLC | Quahadi B #0314HBH | 10,500 | 17337677 |
| 828900 | Jul 19, 2017 | Jul 19, 2017 | Crownquest Operating, LLC | Wrage 28 #3D | 14,020 | 17337678 |
| 828898 | Jul 19, 2017 | Jul 19, 2017 | Crownquest Operating, LLC | Wrage 33 #2D | 5,000 | 17337676 |
| 828898Amendment | Jul 19, 2017 | Jul 19, 2017 | Crownquest Operating, LLC | Wrage 33 #2D | 14,000 | 17337676 |
| 828852 | Jul 19, 2017 | Jul 19, 2017 | Parsley Energy Operations, LLC | Catfish Hunter 12-1 #4401HH | 9,336 | 17337672 |
| 828845 | Jul 19, 2017 | Jul 19, 2017 | Hunt Oil Company | Calverley B-Reed 50 #205HLH | 8,150 | 17337671 |
| 828834 | Jul 19, 2017 | Jul 19, 2017 | Hunt Oil Company | Calverley B-Reed 60 #206HLH | 8,150 | 17337670 |
| 828821 | Jul 19, 2017 | Jul 19, 2017 | Hunt Oil Company | Calverley B-Reed 60 #106HAH | 8,500 | 17337668 |
| 828756 | Jul 19, 2017 | Jul 19, 2017 | Hunt Oil Company | Calverley B-Reed 60 #106HBH | 8,740 | 17337669 |
| 828756Amendment | Jul 19, 2017 | Jul 19, 2017 | Hunt Oil Company | Calverley B-Reed 60 #106HBH | 8,682 | 17337669 |
| 827528 | Jul 19, 2017 | Jul 19, 2017 | Encana Oil & Gas(usa) Inc. | Houston 30G #6HFH | 10,605 | 17337640 |
| 827528Amendment | Jul 19, 2017 | Jul 19, 2017 | Encana Oil & Gas(usa) Inc. | Houston 30G #6HFH | 10,605 | 17337640 |
| 827521 | Jul 19, 2017 | Jul 19, 2017 | Encana Oil & Gas(usa) Inc. | Houston 30G #5HEH | 10,505 | 17337639 |
| 827521Amendment | Jul 19, 2017 | Jul 19, 2017 | Encana Oil & Gas(usa) Inc. | Houston 30G #5HEH | 10,505 | 17337639 |
| 827638 | Jul 18, 2017 | Jul 18, 2017 | Encana Oil & Gas(usa) Inc. | Clark 1X #3HJH | 10,000 | 17337645 |
| 827638Amendment | Jul 18, 2017 | Jul 18, 2017 | Encana Oil & Gas(usa) Inc. | Clark 1X #3HJH | 10,000 | 17337645 |
| 827636 | Jul 18, 2017 | Jul 18, 2017 | Encana Oil & Gas(usa) Inc. | Clark 1X #2HKH | 10,000 | 17337643 |
| 827636Amendment | Jul 18, 2017 | Jul 18, 2017 | Encana Oil & Gas(usa) Inc. | Clark 1X #2HKH | 10,000 | 17337643 |
| 827635 | Jul 18, 2017 | Jul 18, 2017 | Encana Oil & Gas(usa) Inc. | Clark 1G #1HJH | 10,000 | 17337642 |
| 827635Amendment | Jul 18, 2017 | Jul 18, 2017 | Encana Oil & Gas(usa) Inc. | Clark 1G #1HJH | 10,000 | 17337642 |
| 827635Amendment | Jul 18, 2017 | Jul 18, 2017 | Encana Oil & Gas(usa) Inc. | Clark 1G #1HJH | 10,000 | 17337642 |