| 626738 | Oct 31, 2006 | Oct 31, 2006 | Hilcorp Energy Company | Refugio | Fox, W. J. "A" #4839132702 | 8,172 |
| 627905 | Oct 27, 2006 | Oct 27, 2006 | Hilcorp Energy Company | Refugio | Lambert Gas Unit #12039101399 | 5,840 |
| 627897 | Oct 27, 2006 | Oct 27, 2006 | Hilcorp Energy Company | Refugio | Heard, Fannie V. W., Mrs. #8739130047 | 4,500 |
| 627403 | Oct 23, 2006 | Oct 23, 2006 | Hilcorp Energy Company | Refugio | Tom O'CONNOR(5600 Foot Sand)unit #W403GB39100556 | 5,980 |
| 627403Amendment | Oct 23, 2006 | Oct 23, 2006 | Hilcorp Energy Company | Refugio | Heard, Claude E. et Al #3G39100556 | 5,980 |
| 621956 | Oct 12, 2006 | Oct 12, 2006 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "C" #5239101144 | 5,905 |
| 621956Amendment | Oct 12, 2006 | Oct 12, 2006 | Hilcorp Energy Company | Refugio | Tom O'Connor (5600 Foot Sand) UN #W252B39101144 | 5,905 |
| 626746 | Oct 6, 2006 | Oct 6, 2006 | Hilcorp Energy Company | Refugio | Lambert, M. F. #6039101433 | 5,915 |
| 626746Amendment | Oct 6, 2006 | Oct 6, 2006 | Hilcorp Energy Company | Refugio | Lambert, M. F. #6039101433 | 5,915 |
| 626746Amendment | Oct 6, 2006 | Oct 6, 2006 | Hilcorp Energy Company | Refugio | Lambert Gas Unit #6039101433 | 5,915 |
| 626745 | Oct 6, 2006 | Oct 6, 2006 | Hilcorp Energy Company | Refugio | Lambert Gas Unit #12539101447 | 5,840 |
| 626745Amendment | Oct 6, 2006 | Oct 6, 2006 | Hilcorp Energy Company | Refugio | Lambert, M. F. #12539101447 | 5,840 |
| 626744 | Oct 6, 2006 | Oct 6, 2006 | Hilcorp Energy Company | Refugio | Lambert Gas Unit #1539101210 | 6,507 |
| 626734 | Sep 29, 2006 | Sep 29, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D13539131786 | 4,628 |
| 625745 | Sep 19, 2006 | Sep 19, 2006 | Hilcorp Energy Company | Refugio | Heard, Mrs. Fannie V. W. #8139103791 | 4,515 |
| 625337 | Sep 6, 2006 | Sep 6, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 12A39100277 | 5,760 |
| 624985 | Aug 30, 2006 | Aug 30, 2006 | Hilcorp Energy Company | Refugio | Lambert Gas Unit #11839101494 | 5,835 |
| 624974 | Aug 30, 2006 | Aug 30, 2006 | Hilcorp Energy Company | Refugio | Heard, Clement #1339100850 | 6,000 |
| 624958 | Aug 30, 2006 | Aug 30, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 639100272 | 5,780 |
| 624958Amendment | Aug 30, 2006 | Aug 30, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 639100272 | 5,780 |
| 624908 | Aug 29, 2006 | Aug 29, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D107D39100296 | 6,100 |
| 624906 | Aug 29, 2006 | Aug 29, 2006 | Hilcorp Energy Company | Refugio | Lake Pasture (FT-569) Field Unit #119639132679 | 6,224 |
| 624909 | Aug 25, 2006 | Aug 25, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 1139100276 | 5,825 |
| 624431 | Aug 21, 2006 | Aug 21, 2006 | Hilcorp Energy Company | Matagorda | Old Ocean Unit #1532100739 | 11,100 |
| 623864 | Aug 11, 2006 | Aug 11, 2006 | Hilcorp Energy Company | Refugio | Lambert, M. F. #8339101188 | 5,930 |
| 623864Amendment | Aug 11, 2006 | Aug 11, 2006 | Hilcorp Energy Company | Refugio | Lambert Gas Unit #8339101188 | 5,930 |
| 623277 | Aug 2, 2006 | Aug 2, 2006 | Hilcorp Energy Company | Refugio | Heard, Fannie V. W., Mrs. #4539100567 | 5,925 |
| 623275 | Aug 2, 2006 | Aug 2, 2006 | Hilcorp Energy Company | Refugio | Annie Riley et Vir #2239132709 | 6,799 |
| 623145 | Aug 1, 2006 | Aug 1, 2006 | Hilcorp Energy Company | Refugio | Tom O'Connor (5800 SD) FLD Unit #P20139131888 | 6,200 |
| 623123 | Aug 1, 2006 | Aug 1, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 8739130423 | 5,860 |
| 618118 | Aug 1, 2006 | Aug 1, 2006 | Hilcorp Energy Company | Refugio | Lambert Gas Unit #12739103897 | 4,463 |
| 616191 | Aug 1, 2006 | Aug 1, 2006 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "A" #4239101517 | 5,925 |
| 623115 | Jul 31, 2006 | Jul 31, 2006 | Hilcorp Energy Company | Refugio | Lambert, M. F. #20239132066 | 6,000 |
| 623122 | Jul 25, 2006 | Jul 25, 2006 | Hilcorp Energy Company | Refugio | Lambert, M. F. #11039101354 | 5,850 |
| 623114 | Jul 25, 2006 | Jul 25, 2006 | Hilcorp Energy Company | Refugio | Lambert, M. F. #14039130395 | 6,025 |
| 623114Amendment | Jul 25, 2006 | Jul 25, 2006 | Hilcorp Energy Company | Refugio | Lambert, M. F. #14039130395 | 6,025 |
| 622735 | Jul 20, 2006 | Jul 20, 2006 | Hilcorp Energy Company | Refugio | Maude Williams et al "A" #D 2739130175 | 7,800 |
| 621957 | Jul 14, 2006 | Jul 14, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 34D39100287 | 5,400 |
| 621955 | Jul 10, 2006 | Jul 10, 2006 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "A" #3239101459 | 5,960 |
| 621953 | Jul 10, 2006 | Jul 10, 2006 | Hilcorp Energy Company | Refugio | Heard, Fannie V. W., Mrs. #3939100698 | 5,925 |
| 621953Amendment | Jul 10, 2006 | Jul 10, 2006 | Hilcorp Energy Company | Refugio | Heard, Fannie V. W., Mrs. #3939100698 | 5,925 |
| 621994 | Jul 7, 2006 | Jul 7, 2006 | Hilcorp Energy Company | Orange | Champion International #136130622 | 16,017 |
| 621994Amendment | Jul 7, 2006 | Jul 7, 2006 | Hilcorp Energy Company | Orange | Champion International #136130622 | 16,017 |
| 621324 | Jun 23, 2006 | Jun 23, 2006 | Hilcorp Energy Company | Refugio | Reilly, Annie et Vir #2339132706 | 6,800 |
| 621249 | Jun 19, 2006 | Jun 19, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D20039132597 | 8,200 |
| 618003 | Jun 8, 2006 | Jun 8, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "B" #2639100539 | 5,980 |
| 620458 | Jun 7, 2006 | Jun 7, 2006 | Hilcorp Energy Company | Refugio | Lambert, M. F. #15939132700 | 6,215 |
| 620427 | Jun 7, 2006 | Jun 7, 2006 | Hilcorp Energy Company | Refugio | O'Connor, Tom (5800 SD) FLD Unit #Q53239132472 | 6,400 |
| 620425 | Jun 6, 2006 | Jun 6, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D107D39100296 | 6,100 |
| 620151 | Jun 5, 2006 | Jun 5, 2006 | Hilcorp Energy Company | Refugio | O'Connor "C", Thomas #5139101143 | 5,915 |
| 619425 | May 31, 2006 | May 31, 2006 | Hilcorp Energy Company | Refugio | Lambert, M. F. #10339101444 | 5,840 |
| 619425Amendment | May 31, 2006 | May 31, 2006 | Hilcorp Energy Company | Refugio | Lambert, M. F. #10339101444 | 5,840 |
| 619811 | May 25, 2006 | May 25, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 7739130345 | 7,147 |
| 616294 | May 25, 2006 | May 25, 2006 | Hilcorp Energy Company | Brazoria | Old Ocean Unit #15503904022 | 10,700 |
| 619667 | May 24, 2006 | May 24, 2006 | Hilcorp Energy Company | Refugio | Shelton #F 239101251 | 5,997 |
| 619672 | May 23, 2006 | May 23, 2006 | Hilcorp Energy Company | Refugio | Shelton #H 139132730 | 9,000 |
| 619672Amendment | May 23, 2006 | May 23, 2006 | Hilcorp Energy Company | Refugio | Shelton #H 139132730 | 8,350 |
| 619280 | May 19, 2006 | May 19, 2006 | Hilcorp Energy Company | Refugio | Reilly, Annie et Vir #2139132630 | 4,800 |
| 619280Amendment | May 19, 2006 | May 19, 2006 | Hilcorp Energy Company | Refugio | Reilly, Annie et Vir #2139132630 | 4,800 |
| 619277 | May 19, 2006 | May 19, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 9839131247 | 8,171 |
| 619277Amendment | May 19, 2006 | May 19, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 9839131247 | 8,171 |
| 618881 | May 15, 2006 | May 15, 2006 | Hilcorp Energy Company | Refugio | O'Connor,tom (4150 Ft. Sd.)unit #W385A39130042 | 4,500 |
| 618881Amendment | May 15, 2006 | May 15, 2006 | Hilcorp Energy Company | Refugio | Heard, Mrs. Fannie V. W. #8539130042 | 4,500 |
| 616790 | May 11, 2006 | May 11, 2006 | Hilcorp Energy Company | Refugio | W.J. Fox "A" #4739132651 | 8,200 |
| 618690 | May 5, 2006 | May 5, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D12839131776 | 4,644 |
| 618353 | May 3, 2006 | May 3, 2006 | Hilcorp Energy Company | Refugio | Lambert, Mary F. "EA" #A 839130315 | 5,950 |
| 618353Amendment | May 3, 2006 | May 3, 2006 | Hilcorp Energy Company | Refugio | Lambert, Mary F. "EA" #A 839130315 | 5,950 |
| 618323 | May 3, 2006 | May 3, 2006 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "C" #8739131839 | 6,152 |
| 618116 | May 2, 2006 | May 2, 2006 | Hilcorp Energy Company | Refugio | Heard, Mrs. Fannie V. W. Heard #10239131592 | 6,091 |
| 617782 | Apr 28, 2006 | Apr 28, 2006 | Hilcorp Energy Company | Refugio | Lambert, M. F. #4739101385 | 5,919 |
| 618105 | Apr 25, 2006 | Apr 25, 2006 | Hilcorp Energy Company | Refugio | Lambert, M.F. #12239101446 | 6,000 |
| 617649 | Apr 20, 2006 | Apr 20, 2006 | Hilcorp Energy Company | Brazoria | Old Ocean Unit #12403904063 | 10,876 |
| 617371 | Apr 17, 2006 | Apr 17, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "B" #239100512 | 5,935 |
| 617367 | Apr 17, 2006 | Apr 17, 2006 | Hilcorp Energy Company | Refugio | Clement Heard #539100842 | 5,935 |
| 616918 | Apr 11, 2006 | Apr 11, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 5739104046 | 5,598 |
| 616917 | Apr 10, 2006 | Apr 10, 2006 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "C" #4839101569 | 5,906 |
| 616914 | Apr 10, 2006 | Apr 10, 2006 | Hilcorp Energy Company | Refugio | Heard, Mrs. Fannie V. W. #5739100574 | 5,927 |
| 616912 | Apr 10, 2006 | Apr 10, 2006 | Hilcorp Energy Company | Refugio | Heard, Mrs. Fannie V. W. Heard #9939131576 | 6,028 |
| 616777 | Apr 4, 2006 | Apr 4, 2006 | Hilcorp Energy Company | Refugio | Clement Heard #3639132533 | 6,200 |
| 616372 | Apr 3, 2006 | Apr 3, 2006 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "B" #4939132033 | 8,350 |
| 616372Amendment | Apr 3, 2006 | Apr 3, 2006 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "B" #4939132033 | 8,350 |
| 616540 | Mar 29, 2006 | Mar 29, 2006 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "C" #1239101562 | 5,925 |
| 616539 | Mar 29, 2006 | Mar 29, 2006 | Hilcorp Energy Company | Refugio | Heard, Fannie V. W., Mrs. #2G39100724 | 5,918 |
| 616539Amendment | Mar 29, 2006 | Mar 29, 2006 | Hilcorp Energy Company | Refugio | Heard, Fannie V. W., Mrs. #2G39100724 | 5,918 |
| 616539Amendment | Mar 29, 2006 | Mar 29, 2006 | Hilcorp Energy Company | Refugio | Heard, Fannie V. W., Mrs. #2G39100724 | 5,918 |
| 616374 | Mar 29, 2006 | Mar 29, 2006 | Hilcorp Energy Company | Refugio | Heard, Fannie V. W., Mrs. #3639100566 | 5,925 |
| 616193 | Mar 28, 2006 | Mar 28, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 2739130175 | 7,800 |
| 616193Amendment | Mar 28, 2006 | Mar 28, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 2739130175 | 7,800 |
| 615697 | Mar 17, 2006 | Mar 17, 2006 | Hilcorp Energy Company | Refugio | Reilly, Annie et Vir #10D39100771 | 6,000 |
| 615698 | Mar 16, 2006 | Mar 16, 2006 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "A" #10239101558 | 5,904 |
| 615695 | Mar 16, 2006 | Mar 16, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 2G39100299 | 6,100 |
| 615695Amendment | Mar 16, 2006 | Mar 16, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "A" #D 2G39100299 | 6,100 |
| 615905 | Mar 15, 2006 | Mar 15, 2006 | Hilcorp Energy Company | Refugio | O'Connor, Thomas "A" #3839101516 | 5,926 |
| 615829 | Mar 15, 2006 | Mar 15, 2006 | Hilcorp Energy Company | Brazoria | Old Ocean Unit #24803932937 | 11,500 |
| 615258 | Mar 10, 2006 | Mar 10, 2006 | Hilcorp Energy Company | Refugio | Lambert Gas Unit #21339132723 | 9,000 |
| 615258Amendment | Mar 10, 2006 | Mar 10, 2006 | Hilcorp Energy Company | Refugio | M. F. Lambert #21339132723 | 9,000 |
| 615250 | Mar 6, 2006 | Mar 6, 2006 | Hilcorp Energy Company | Refugio | Lambert, M. F. #15939132700 | 6,215 |
| 614414 | Feb 23, 2006 | Feb 23, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "B" #3839132034 | 7,848 |
| 614414Amendment | Feb 23, 2006 | Feb 23, 2006 | Hilcorp Energy Company | Refugio | Williams, Maude et al "B" #3839132034 | 7,848 |
| 613942 | Feb 16, 2006 | Feb 16, 2006 | Hilcorp Energy Company | Refugio | Heard, Clement #2239130231 | 7,800 |