| 826513 | May 15, 2017 | May 15, 2017 | Riley Exploration Opg Co, LLC | Yoakum | Ringo 666-643 #1XHH | 9,000 | 50136804 |
| 825562 | Apr 24, 2017 | Apr 24, 2017 | Riley Exploration Opg Co, LLC | Yoakum | Stiff Saddle 641-668 #3XHH | 9,000 | 50136801 |
| 825481 | Apr 24, 2017 | Apr 24, 2017 | Riley Exploration Opg Co, LLC | Yoakum | Brushy Bill 707-730 #1XHH | 9,000 | 50136800 |
| 825481Amendment | Apr 24, 2017 | Apr 24, 2017 | Riley Exploration Opg Co, LLC | Yoakum | Brushy Bill 707-730 #1XHH | 9,000 | 50136800 |
| 822338 | Mar 17, 2017 | Mar 17, 2017 | Riley Exploration Opg Co, LLC | Yoakum | Lazy Horse 581 #4XHH | 9,000 | 50136768 |
| 823123 | Feb 24, 2017 | Feb 24, 2017 | Riley Exploration Opg Co, LLC | Yoakum | Stagecoach 543 #4HH | 9,000 | 50136779 |
| 822565 | Feb 9, 2017 | Feb 9, 2017 | Riley Exploration Opg Co, LLC | Yoakum | Shiprock 638 #1HH | 9,000 | 50136772 |
| 822562 | Feb 3, 2017 | Feb 3, 2017 | Riley Exploration Opg Co, LLC | Yoakum | Shenandoah 639 #2HH | 9,000 | 50136770 |
| 822257 | Jan 30, 2017 | Jan 30, 2017 | Riley Exploration Opg Co, LLC | Yoakum | Desperado 538 #4HH | 9,000 | 50136767 |
| 822172 | Jan 30, 2017 | Jan 30, 2017 | Riley Exploration Opg Co, LLC | Yoakum | Desperado 538 #1HH | 9,000 | 50136766 |
| 822019 | Jan 20, 2017 | Jan 20, 2017 | Riley Exploration Opg Co, LLC | Yoakum | Cleveland a 601 #2HH | 9,000 | 50136763 |
| 820166 | Dec 2, 2016 | Dec 2, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Shiprock 638 #3HH | 9,000 | 50136746 |
| 820111 | Nov 29, 2016 | Nov 29, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Sundance 642 #1H | 9,000 | 50136745 |
| 820111Amendment | Nov 29, 2016 | Nov 29, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Sundance 642 #1 | 9,000 | 50136745 |
| 820111Amendment | Nov 29, 2016 | Nov 29, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Sundance 642 #1 | 13,000 | 50136745 |
| 818849 | Oct 7, 2016 | Oct 7, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Brushy Bill 707-730 #1XHH | 9,000 | 50136725 |
| 818849Amendment | Oct 7, 2016 | Oct 7, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Brushy Bill 707 #1HH | 9,000 | 50136725 |
| 818849Amendment | Oct 7, 2016 | Oct 7, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Brushy Bill 707-730 #1H | 9,000 | 50136725 |
| 817886 | Aug 30, 2016 | Aug 30, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Slim Honeycutt 608-573 #4XHH | 9,000 | 50136716 |
| 817776 | Aug 26, 2016 | Aug 26, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Nine Dimes 609 #1 | 9,000 | 50136715 |
| 816599 | Jul 1, 2016 | Jul 1, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Rowdy Yates 596-585 #2XHH | 9,000 | 50136702 |
| 816589 | Jun 30, 2016 | Jun 30, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Rowdy Yates 596-585 #1XHH | 9,000 | 50136701 |
| 815840 | Jun 1, 2016 | Jun 1, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Stiff Saddle 641-668 #1XHH | 9,000 | 50136697 |
| 815088 | Apr 22, 2016 | Apr 22, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Lazy Horse 581 #1HH | 9,000 | 50136693 |
| 815088Amendment | Apr 22, 2016 | Apr 22, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Lazy Horse 581 #1HH | 9,000 | 50136693 |
| 814669 | Apr 8, 2016 | Apr 8, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Miss Kitty 704-669 #3XHH | 9,000 | 50136692 |
| 814666 | Apr 8, 2016 | Apr 8, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Miss Kitty 704-669 #1XHH | 9,000 | 50136691 |
| 814601 | Apr 6, 2016 | Apr 6, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Cat Ballou 546-573 #4XHH | 9,000 | 50136690 |
| 814593 | Mar 31, 2016 | Mar 31, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Cat Ballou 546-573 #2XHH | 9,000 | 50136689 |
| 813754 | Feb 16, 2016 | Feb 16, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Beaten Path 597-648 #3XHH | 5,400 | 50136682 |
| 813752 | Feb 16, 2016 | Feb 16, 2016 | Riley Exploration Opg Co, LLC | Yoakum | Beaten Path 597-648 #2XHH | 5,400 | 50136681 |
| 813245 | Feb 10, 2016 | Feb 10, 2016 | Riley Exploration Opg Co, LLC | Lee | Polaris 10A #1HH | 9,800 | 28732710 |
| 813261 | Jan 15, 2016 | Jan 15, 2016 | Riley Exploration Opg Co, LLC | Lee | Polaris 10B #1HH | 9,800 | 28732711 |
| 812639 | Dec 16, 2015 | Dec 16, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Rusty Crane 604-577 #1XHH | 16,100 | 50136658 |
| 812639Amendment | Dec 16, 2015 | Dec 16, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Rusty Crane 604-577 #1XHH | 5,350 | 50136658 |
| 812639Amendment | Dec 16, 2015 | Dec 16, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Rusty Crane 604-577 #1XHH | 5,350 | 50136658 |
| 812639Amendment | Dec 16, 2015 | Dec 16, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Rusty Crane 604-577 #1XHH | 5,350 | 50136658 |
| 812221 | Dec 7, 2015 | Dec 7, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Western Skies 600-645 #2XHH | 5,350 | 50136653 |
| 812221Amendment | Dec 7, 2015 | Dec 7, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Western Skies 600-645 #2XHH | 5,350 | 50136653 |
| 811991 | Dec 1, 2015 | Dec 1, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Rusty Crane 604 #1W | 12,500 | 50136650 |
| 811870 | Nov 24, 2015 | Nov 24, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Western Skies 600-645 #1XHH | 5,375 | 50136648 |
| 811870Amendment | Nov 24, 2015 | Nov 24, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Western Skies 600-645 #1XHH | 5,375 | 50136648 |
| 811364 | Oct 28, 2015 | Oct 28, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Double Down 602-643 #4XHH | 5,300 | 50136642 |
| 810962 | Oct 8, 2015 | Oct 8, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Rusty Crane 604 #3HH | 5,310 | 50136627 |
| 810962Amendment | Oct 8, 2015 | Oct 8, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Rusty Crane 604 #3HH | 5,310 | 50136627 |
| 810277 | Sep 25, 2015 | Sep 25, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Hondo 603 #1HH | 5,300 | 50136619 |
| 809764 | Sep 1, 2015 | Sep 1, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Beaten Path 597-648 #4XHH | 5,300 | 50136610 |
| 809764Amendment | Sep 1, 2015 | Sep 1, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Beaten Path 597-648 #4XHH | 9,000 | 50136610 |
| 809751 | Aug 31, 2015 | Aug 31, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Beaten Path 597-648 #1XHH | 5,300 | 50136609 |
| 809730 | Aug 28, 2015 | Aug 28, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Beaten Path 597 #1W | 12,200 | 50136608 |
| 809730Amendment | Aug 28, 2015 | Aug 28, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Beaten Path 597 #1W | 12,600 | 50136608 |
| 809729 | Aug 28, 2015 | Aug 28, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Double Down 602-643 #2XHH | 5,300 | 50136607 |
| 808198 | Jul 27, 2015 | Jul 27, 2015 | Riley Exploration Opg Co, LLC | Yoakum | Cleveland a 601 #4HH | 5,300 | 50136599 |
| 796182 | Sep 30, 2014 | Sep 30, 2014 | Riley Exploration Opg Co, LLC | Lee | Polaris Unit 12B #2HH | 9,500 | 28732695 |
| 793479 | Aug 25, 2014 | Aug 25, 2014 | Riley Exploration Opg Co, LLC | Lee | Polaris Unit 9B #1HH | 9,200 | 28732679 |
| 789050 | Jul 21, 2014 | Jul 21, 2014 | Riley Exploration Opg Co, LLC | Lee | Braden Cook #3 | 5,895 | 28732287 |
| 789260Amendment | Jul 10, 2014 | Jul 10, 2014 | Riley Exploration Opg Co, LLC | Yoakum | Cleveland a 601 #1W | 12,000 | 50136440 |
| 789188Amendment | Jul 10, 2014 | Jul 10, 2014 | Riley Exploration Opg Co, LLC | Yoakum | Cleveland a 601 #1HH | 9,000 | 50136438 |
| 786774 | May 20, 2014 | May 20, 2014 | Riley Exploration Opg Co, LLC | Lee | Ranger Unit 8A3 #3HH | 7,000 | 28732649 |
| 785753 | May 9, 2014 | May 9, 2014 | Riley Exploration Opg Co, LLC | Lee | Ranger Unit 8A #2HH | 7,000 | 28732644 |
| 781723 | Mar 20, 2014 | Mar 20, 2014 | Riley Exploration Opg Co, LLC | Lee | Ranger Unit 11 #1HH | 7,000 | 28732633 |
| 774077 | Nov 20, 2013 | Nov 20, 2013 | Riley Exploration Opg Co, LLC | Lee | Ranger Unit 8A #1HH | 6,000 | 28732618 |
| 704603Amendment | Nov 3, 2010 | Nov 3, 2010 | Riley Exploration Opg Co, LLC | Frio | Schorp #1HH | 9,000 | 16333436 |