| 708475 | Jan 19, 2011 | Jan 19, 2011 | T - C Oil Company | Braman -A- #2 | 10,000 | 39132974 |
| 707596 | Jan 18, 2011 | Jan 18, 2011 | Hilcorp Energy Company | Lambert Gas Unit #4 | 5,925 | 39102951 |
| 708310 | Jan 14, 2011 | Jan 14, 2011 | T - C Oil Company | Doc-N/RR-C Unit #1 | 6,487 | 39132875 |
| 707933 | Jan 12, 2011 | Jan 12, 2011 | T - C Oil Company | Copano Gas Unit #41 | 5,670 | 39101715 |
| 707829 | Jan 12, 2011 | Jan 12, 2011 | Hilcorp Energy Company | Tom O'Connor (5800 SD) Fld. Unit #Q005G | 5,996 | 39101487 |
| 707766 | Jan 12, 2011 | Jan 12, 2011 | Hilcorp Energy Company | M. F. Lambert #157 | 6,200 | 39132682 |
| 707766Amendment | Jan 12, 2011 | Jan 12, 2011 | Hilcorp Energy Company | M. F. Lambert #157 | 6,200 | 39132682 |
| 707913 | Jan 11, 2011 | Jan 11, 2011 | Hilcorp Energy Company | Maude Williams et al "A" #D 84 | 8,600 | 39130363 |
| 707869 | Jan 10, 2011 | Jan 10, 2011 | Hilcorp Energy Company | Maude Williams et al "A" #D162 | 4,655 | 39132115 |
| 707865 | Jan 10, 2011 | Jan 10, 2011 | Hilcorp Energy Company | Maude Williams et al 'A' #D125 | 5,990 | 39131775 |
| 707849 | Jan 7, 2011 | Jan 7, 2011 | Hilcorp Energy Company | Maude Williams et al "A" #D195 | 4,663 | 39132662 |
| 707627 | Jan 7, 2011 | Jan 7, 2011 | Hilcorp Energy Company | Tom O'Connor (5800 SD) Fld. Unit #P050 | 5,905 | 39101428 |
| 707939 | Jan 6, 2011 | Jan 6, 2011 | T - C Oil Company | O'Connor -E- #E 8 | 2,810 | 39130202 |
| 707718 | Jan 3, 2011 | Jan 3, 2011 | Hilcorp Energy Company | Clement Heard #13 | 6,000 | 39100850 |
| 707620 | Dec 30, 2010 | Dec 30, 2010 | Hilcorp Energy Company | Ira Heard "A" #13 | 8,150 | 39130142 |
| 707371 | Dec 22, 2010 | Dec 22, 2010 | Kebo Oil & Gas, Inc. | Shelton #8 | 7,400 | 39132973 |
| 706147 | Dec 15, 2010 | Dec 15, 2010 | Hilcorp Energy Company | Maude Williams et al "A" #D 83 | 7,563 | 39130347 |
| 706807 | Dec 14, 2010 | Dec 14, 2010 | T - C Oil Company | Copano Gas Unit #40 | 5,052 | 39101713 |
| 706214 | Dec 9, 2010 | Dec 9, 2010 | Hilcorp Energy Company | Tom O'Connor (5800 SD) Fld. Unit #Q211 | 5,920 | 39101561 |
| 706178 | Dec 8, 2010 | Dec 8, 2010 | Hilcorp Energy Company | Tom O'Connor (5800 SD) Fld. Unit #P060 | 5,915 | 39101433 |
| 706167 | Dec 8, 2010 | Dec 8, 2010 | Hilcorp Energy Company | Mary Claire Bauer et Vir #1G | 5,949 | 39100759 |
| 706146 | Dec 8, 2010 | Dec 8, 2010 | Hilcorp Energy Company | Thomas O'Connor "C" #10 | 5,916 | 39101154 |
| 705898 | Dec 8, 2010 | Dec 8, 2010 | Hilcorp Energy Company | Thomas O'Connor "C" #48 | 5,906 | 39101569 |
| 706134 | Dec 3, 2010 | Dec 3, 2010 | Hilcorp Energy Company | Tom O'Connor (5800 SD) Fld. Unit #Q278 | 6,750 | 39130220 |
| 706134Amendment | Dec 3, 2010 | Dec 3, 2010 | Hilcorp Energy Company | Thomas O'Connor "C" #78 | 6,750 | 39130220 |
| 706126 | Dec 3, 2010 | Dec 3, 2010 | Hilcorp Energy Company | Tom O'Connor (4150 Ft. Sd.) Unit #W611A | 6,750 | 39130194 |
| 705745 | Dec 1, 2010 | Dec 1, 2010 | Hilcorp Energy Company | Maude Williams et al "A" #D 64 | 7,801 | 39130255 |
| 705867 | Nov 29, 2010 | Nov 29, 2010 | Hilcorp Energy Company | Thomas O'Connor 'C' #38 | 5,918 | 39101152 |
| 705848 | Nov 24, 2010 | Nov 24, 2010 | T - C Oil Company | Copano Gas Unit #39 | 5,430 | 39101645 |
| 705504 | Nov 24, 2010 | Nov 24, 2010 | Great Bay Operations, LLC | Fagan #18 | 5,650 | 39132903 |
| 705786 | Nov 23, 2010 | Nov 23, 2010 | Christopher Oil & Gas Inc | Schirmer-Buck "a" Unit #1 | 6,500 | 39132432 |
| 705773 | Nov 23, 2010 | Nov 23, 2010 | Kebo Oil & Gas, Inc. | R. S. I. #1 | 7,500 | 39132972 |
| 705699 | Nov 23, 2010 | Nov 23, 2010 | Hilcorp Energy Company | Maude Williams et al "A" #28 | 5,921 | 39180668 |
| 705694 | Nov 22, 2010 | Nov 22, 2010 | Hilcorp Energy Company | Maude Williams et al "A" #D135 | 4,628 | 39131786 |
| 705605 | Nov 19, 2010 | Nov 19, 2010 | T - C Oil Company | Copano Gas Unit #38 | 4,248 | 39101591 |
| 705573 | Nov 19, 2010 | Nov 19, 2010 | T - C Oil Company | Copano Gas Unit #37 | 5,730 | 39101667 |
| 705440 | Nov 19, 2010 | Nov 19, 2010 | Hilcorp Energy Company | Thomas O'Connor "A" #112 | 4,000 | 39101484 |
| 705426 | Nov 19, 2010 | Nov 19, 2010 | Hilcorp Energy Company | Maude Williams et al "A" #37 | 5,909 | 39100445 |
| 705334 | Nov 18, 2010 | Nov 18, 2010 | Hilcorp Energy Company | Lambert Gas Unit #H 32 | 5,895 | 39101185 |
| 705327 | Nov 17, 2010 | Nov 17, 2010 | Hilcorp Energy Company | Mrs. Fannie V. W. Heard #19 | 5,925 | 39100688 |
| 705056 | Nov 12, 2010 | Nov 12, 2010 | Acock/Anaqua Operating Co., LP | J. J. O'Brien #B 8 | 6,500 | 39132971 |
| 704980 | Nov 10, 2010 | Nov 10, 2010 | Charro Operating, L.L.C. | Vidauri "A" #1 | 6,150 | 39132674 |
| 704673 | Nov 5, 2010 | Nov 5, 2010 | Hilcorp Energy Company | Thomas O'Connor 'C' #63 | 5,945 | 39103998 |
| 704654 | Nov 5, 2010 | Nov 5, 2010 | Hilcorp Energy Company | Mrs. Fannie V. W. Heard #21 | 5,925 | 39100690 |
| 704654Amendment | Nov 5, 2010 | Nov 5, 2010 | Hilcorp Energy Company | Mrs. Fannie V. W. Heard #21 | 5,925 | 39100690 |
| 704639 | Nov 5, 2010 | Nov 5, 2010 | Hilcorp Energy Company | Maude Williams et al "B" #27 | 6,300 | 39100540 |
| 704630 | Nov 5, 2010 | Nov 5, 2010 | Hilcorp Energy Company | M. F. Lambert #34 | 5,915 | 39101491 |
| 704608 | Nov 3, 2010 | Nov 3, 2010 | T - C Oil Company | Duke Ranch "F" #1 | 4,307 | 39132652 |
| 704363 | Nov 2, 2010 | Nov 2, 2010 | Hilcorp Energy Company | Thomas O'Connor "C" #40 | 5,900 | 39101568 |
| 704366 | Oct 28, 2010 | Oct 28, 2010 | Hilcorp Energy Company | M. F. Lambert #214 | 9,000 | 39132794 |
| 704366Amendment | Oct 28, 2010 | Oct 28, 2010 | Hilcorp Energy Company | Lambert Gas Unit #214 | 9,000 | 39132794 |
| 704340 | Oct 28, 2010 | Oct 28, 2010 | Hilcorp Energy Company | M. F. Lambert #213 | 8,311 | 39132723 |
| 703966 | Oct 21, 2010 | Oct 21, 2010 | T - C Oil Company | Duke Ranch -L- #1 | 4,550 | 39132664 |
| 703956 | Oct 21, 2010 | Oct 21, 2010 | Hilcorp Energy Company | Ira Heard 'A' #19 | 8,500 | 39132970 |
| 703956Amendment | Oct 21, 2010 | Oct 21, 2010 | Hilcorp Energy Company | Ira Heard 'A' #19 | 8,500 | 39132970 |
| 703796 | Oct 20, 2010 | Oct 20, 2010 | Hilcorp Energy Company | Tom O'Connor (4150 Ft. Sd.) Unit #W261A | 4,515 | 39103804 |
| 703327 | Oct 18, 2010 | Oct 18, 2010 | Hilcorp Energy Company | Lambert Gas Unit #H109 | 5,890 | 39131263 |
| 703327Amendment | Oct 18, 2010 | Oct 18, 2010 | Hilcorp Energy Company | Lambert Gas Unit #H109 | 5,890 | 39131263 |
| 703329 | Oct 14, 2010 | Oct 14, 2010 | Hilcorp Energy Company | Shelton #H 22 | 8,149 | 39101089 |
| 703272 | Oct 14, 2010 | Oct 14, 2010 | Hilcorp Energy Company | M. F. Lambert #100 | 6,000 | 39101441 |
| 701580 | Oct 11, 2010 | Oct 11, 2010 | Hilcorp Energy Company | Clement Heard #19 | 7,778 | 39130163 |
| 703294 | Oct 8, 2010 | Oct 8, 2010 | T - C Oil Company | O'Connor #69 | 5,395 | 39131972 |
| 703097 | Oct 5, 2010 | Oct 5, 2010 | Hilcorp Energy Company | M. F. Lambert #151 | 8,300 | 39132356 |
| 699750 | Sep 28, 2010 | Sep 28, 2010 | Hilcorp Energy Company | Mary Claire Bauer et Vir #3G | 4,424 | 39100761 |
| 702187 | Sep 20, 2010 | Sep 20, 2010 | Remora Management, LLC | Marberry "B" #5 | 5,400 | 39132808 |
| 701974 | Sep 15, 2010 | Sep 15, 2010 | Hilcorp Energy Company | Tom O'Connor (5800 SD) Fld. Unit #Q045 | 5,925 | 39101520 |
| 701830 | Sep 13, 2010 | Sep 13, 2010 | Hilcorp Energy Company | Mrs. Fannie V. W. Heard #41 | 5,925 | 39100700 |
| 701740 | Sep 10, 2010 | Sep 10, 2010 | Hilcorp Energy Company | Tom O'Connor (5800 SD) Fld. Unit #Q049 | 5,965 | 39101549 |
| 701730 | Sep 10, 2010 | Sep 10, 2010 | Hilcorp Energy Company | Tom O'Connor (5800 SD) Fld. Unit #Q314 | 5,925 | 39100683 |
| 701720 | Sep 10, 2010 | Sep 10, 2010 | Hilcorp Energy Company | Tom O'Connor (5800 SD) Fld. Unit #P063 | 5,915 | 39101345 |
| 701717 | Sep 10, 2010 | Sep 10, 2010 | Hilcorp Energy Company | Tom O'Connor (5800 SD) Fld. Unit #Q048 | 5,940 | 39101548 |
| 701716 | Sep 10, 2010 | Sep 10, 2010 | Hilcorp Energy Company | Claude E. Heard et Al #13 | 5,925 | 39100551 |
| 701677 | Sep 10, 2010 | Sep 10, 2010 | Hilcorp Energy Company | Mrs. Fannie V. W. Heard #4G | 5,980 | 39100725 |
| 701808 | Sep 9, 2010 | Sep 9, 2010 | T - C Oil Company | Duke Ranch -J- #1 | 4,300 | 39132665 |
| 701641 | Sep 9, 2010 | Sep 9, 2010 | Hilcorp Energy Company | Claude E. Heard et Al #2G | 4,458 | 39100663 |
| 701638 | Sep 9, 2010 | Sep 9, 2010 | Hilcorp Energy Company | Mrs. Fannie V. W. Heard #1 | 5,968 | 39100671 |
| 701618 | Sep 9, 2010 | Sep 9, 2010 | Hilcorp Energy Company | Maude Williams et al "A" #D 9 | 5,763 | 39100274 |
| 701591 | Sep 8, 2010 | Sep 8, 2010 | Hilcorp Energy Company | Tom O'Connor (5800 SD) Fld. Unit #Q018 | 5,925 | 39101510 |
| 701548 | Sep 7, 2010 | Sep 7, 2010 | Cambrian Management, Ltd. | Heard, Fannie V.W. #30 | 4,519 | 39131837 |
| 701560 | Sep 2, 2010 | Sep 2, 2010 | T - C Oil Company | Duke Ranch -L- #1 | 5,008 | 39132664 |
| 701422 | Aug 31, 2010 | Aug 31, 2010 | T - C Oil Company | Braman -A- #1 | 10,000 | 39132969 |
| 701064 | Aug 30, 2010 | Aug 30, 2010 | Hilcorp Energy Company | Mrs. Fannie V. W. Heard #46 | 5,923 | 39100568 |
| 701086 | Aug 27, 2010 | Aug 27, 2010 | Hilcorp Energy Company | Mary Claire Bauer et Vir #1 | 7,813 | 39110075 |
| 700841 | Aug 20, 2010 | Aug 20, 2010 | Salida Exploration, LLC | Roche #10R | 7,800 | 39132968 |
| 700529 | Aug 19, 2010 | Aug 19, 2010 | Hilcorp Energy Company | Tom O'Connor (5800 SD) Fld. Unit #P103 | 5,840 | 39101444 |
| 700496 | Aug 19, 2010 | Aug 19, 2010 | Hilcorp Energy Company | Maude Williams et al 'B' #14 | 5,915 | 39100516 |
| 700471 | Aug 11, 2010 | Aug 11, 2010 | Hilcorp Energy Company | Tom O'CONNOR(5600 Foot Sand)unit #W318B | 5,925 | 39100687 |
| 700117 | Aug 11, 2010 | Aug 11, 2010 | Hilcorp Energy Company | Thomas O'Connor 'C' #25 | 5,925 | 39101169 |
| 699976 | Aug 10, 2010 | Aug 10, 2010 | Hilcorp Energy Company | Thomas O'Connor "B" #55 | 6,224 | 39132924 |
| 699934 | Aug 6, 2010 | Aug 6, 2010 | Forest Oil Corporation | Welder "G" #21 | 6,100 | 39132164 |
| 699898 | Aug 6, 2010 | Aug 6, 2010 | Hilcorp Energy Company | Thomas O'Connor "C" #52 | 5,905 | 39101144 |
| 699898Amendment | Aug 6, 2010 | Aug 6, 2010 | Hilcorp Energy Company | Thomas O'Connor "C" #52 | 5,905 | 39101144 |
| 699889 | Aug 6, 2010 | Aug 6, 2010 | Hilcorp Energy Company | Tom O'Connor (4150 Ft. Sd.) Unit #W401GA | 5,925 | 39100555 |
| 699880 | Aug 6, 2010 | Aug 6, 2010 | Hilcorp Energy Company | Mrs. Fannie V. W. Heard #97 | 6,125 | 39131209 |
| 700136 | Aug 4, 2010 | Aug 4, 2010 | Charro Operating, L.L.C. | Vidauri "E" #44 | 6,200 | 39132967 |
| 699764 | Aug 4, 2010 | Aug 4, 2010 | Hilcorp Energy Company | Thomas O'Connor "B" #49 | 8,350 | 39132033 |
| 700031 | Aug 3, 2010 | Aug 3, 2010 | T - C Oil Company | Willow Creek -B- #5 | 10,000 | 39132966 |
| 699592 | Aug 2, 2010 | Aug 2, 2010 | Cambrian Management, Ltd. | Tom O'Connor #4 | 4,420 | 39100986 |
| 699541 | Jul 28, 2010 | Jul 28, 2010 | T - C Oil Company | River Ranch -B- State Unit #6 | 4,500 | 39132965 |
| 699166 | Jul 23, 2010 | Jul 23, 2010 | Hilcorp Energy Company | Thomas O'Connor "B" #11 | 6,200 | 39101823 |