| 462945 | Jun 4, 1997 | Jun 4, 1997 | Quintana Pet. Corp. | Refugio | Williams, Maude et al 'A' #7 | 5,923 | 39100421 |
| 462908 | Jun 4, 1997 | Jun 4, 1997 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas 'C' #12 | 5,925 | 39101562 |
| 462317 | May 14, 1997 | May 14, 1997 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas "B" #49 | 8,350 | 39132033 |
| 460026 | May 6, 1997 | May 6, 1997 | Quintana Pet. Corp. | Refugio | Bauer, Mary Claire et Vir #1 | 5,942 | 39110075 |
| 460304 | Apr 18, 1997 | Apr 18, 1997 | Quintana Pet. Corp. | Refugio | Williams, Maude et al 'B' #31D | 6,008 | 39100528 |
| 461191 | Apr 17, 1997 | Apr 17, 1997 | Quintana Pet. Corp. | Refugio | Williams, Maude et al 'A' #26 | 5,925 | 39100434 |
| 460784 | Apr 11, 1997 | Apr 11, 1997 | Quintana Pet. Corp. | Refugio | Tom O'Connor (5800 Sand) Field U #Q933 | 6,021 | 39100493 |
| 460410 | Mar 31, 1997 | Mar 31, 1997 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas 'C' #32 | 5,925 | 39101147 |
| 459275 | Mar 4, 1997 | Mar 4, 1997 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas 'A' #7 | 5,838 | 39101500 |
| 458893 | Feb 28, 1997 | Feb 28, 1997 | Quintana Pet. Corp. | Refugio | Tom Oconnor (5800 SD) Field Unit #Q410 | 5,925 | 39100545 |
| 458880 | Feb 28, 1997 | Feb 28, 1997 | Quintana Pet. Corp. | Refugio | Williams, Maude et al 'A' #D 3G | 6,106 | 39100220 |
| 459085 | Feb 26, 1997 | Feb 26, 1997 | Quintana Pet. Corp. | Refugio | Heard, Ira 'A' #14 | 7,565 | 39130158 |
| 458850 | Feb 26, 1997 | Feb 26, 1997 | Quintana Pet. Corp. | Refugio | Heard, Fannie V. W. Mrs. #34 | 5,925 | 39100564 |
| 458850Amendment | Feb 26, 1997 | Feb 26, 1997 | Quintana Pet. Corp. | Refugio | Heard, Fannie V. W. Mrs. #34 | 5,925 | 39100564 |
| 458209 | Feb 6, 1997 | Feb 6, 1997 | Quintana Pet. Corp. | Refugio | Tom O'Connor 4400 Sand Gas Unit #Q002G | 5,915 | 39101531 |
| 457868 | Jan 28, 1997 | Jan 28, 1997 | Quintana Pet. Corp. | Refugio | Williams, Maude et al 'A' #D 63F | 5,848 | 39100217 |
| 457624 | Jan 27, 1997 | Jan 27, 1997 | Quintana Pet. Corp. | Refugio | Williams, Maude et al 'A' #D125 | 6,110 | 39131775 |
| 457624Amendment | Jan 27, 1997 | Jan 27, 1997 | Quintana Pet. Corp. | Refugio | Williams, Maude et al 'A' #D125 | 6,110 | 39131775 |
| 457334 | Jan 17, 1997 | Jan 17, 1997 | Quintana Pet. Corp. | Refugio | Heard, Ira 'A' #13 | 8,150 | 39130142 |
| 457334Amendment | Jan 17, 1997 | Jan 17, 1997 | Quintana Pet. Corp. | Refugio | Heard, Ira 'A' #13 | 8,150 | 39130142 |
| 457105 | Jan 16, 1997 | Jan 16, 1997 | Quintana Pet. Corp. | Refugio | Williams, Maude et al 'C' #5 | 6,500 | 39132163 |
| 457106 | Jan 14, 1997 | Jan 14, 1997 | Quintana Pet. Corp. | Refugio | Heard, Ira 'A' #12 | 8,325 | 39130127 |
| 457066 | Jan 9, 1997 | Jan 9, 1997 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D 64 | 7,801 | 39130255 |
| 457066Amendment | Jan 9, 1997 | Jan 9, 1997 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D 64 | 7,801 | 39130255 |
| 456144 | Dec 17, 1996 | Dec 17, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al 'A' #D136 | 4,665 | 39131798 |
| 456145 | Dec 12, 1996 | Dec 12, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al 'A' #D 61 | 4,652 | 39130221 |
| 456085 | Dec 12, 1996 | Dec 12, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al 'A' #30 | 5,962 | 39100438 |
| 454626 | Dec 3, 1996 | Dec 3, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al 'A' #17 | 5,937 | 39100475 |
| 454915 | Nov 8, 1996 | Nov 8, 1996 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas 'A' #113 | 4,500 | 39101530 |
| 453550 | Nov 5, 1996 | Nov 5, 1996 | Quintana Pet. Corp. | Refugio | Tom O'CONNOR(5800 Sand) FLD Unit #Q503 | 5,929 | 39100840 |
| 454389 | Oct 29, 1996 | Oct 29, 1996 | Quintana Pet. Corp. | Refugio | Heard, Fannie V. W. Mrs. #7 | 5,925 | 39100676 |
| 453745 | Oct 14, 1996 | Oct 14, 1996 | Quintana Pet. Corp. | Refugio | Tom O'Connor (5800 Sand) Field U #Q285 | 6,110 | 39131613 |
| 452573 | Sep 13, 1996 | Sep 13, 1996 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas "A" #101 | 5,898 | 39101557 |
| 452517 | Sep 13, 1996 | Sep 13, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #66 | 5,920 | 39100488 |
| 452517Amendment | Sep 13, 1996 | Sep 13, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #66 | 5,920 | 39100488 |
| 452516 | Sep 13, 1996 | Sep 13, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D 32F | 5,800 | 39100285 |
| 452515 | Sep 13, 1996 | Sep 13, 1996 | Quintana Pet. Corp. | Refugio | Tom Oconnor (5800 SD) Field Unit #A001 | 5,910 | 39100736 |
| 452487 | Sep 11, 1996 | Sep 11, 1996 | Quintana Pet. Corp. | Colorado | Hastedt, Emma #2 | 10,195 | 08900049 |
| 452487Amendment | Sep 11, 1996 | Sep 11, 1996 | Quintana Pet. Corp. | Colorado | Hastedt, Emma "B" #2 | 10,195 | 08900049 |
| 452234 | Sep 5, 1996 | Sep 5, 1996 | Quintana Pet. Corp. | Colorado | Hastedt, Emma #4 | 9,186 | 08900047 |
| 452234Amendment | Sep 5, 1996 | Sep 5, 1996 | Quintana Pet. Corp. | Colorado | Hastedt, Emma "B" #4 | 9,186 | 08900047 |
| 452100 | Sep 4, 1996 | Sep 4, 1996 | Quintana Pet. Corp. | Refugio | Lake Pasture (FS-550) Sand Unit #183 | 7,563 | 39130347 |
| 452098 | Sep 3, 1996 | Sep 3, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D 88 | 8,000 | 39130424 |
| 452044 | Aug 30, 1996 | Aug 30, 1996 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas "C" #61 | 4,515 | 39103804 |
| 451995 | Aug 29, 1996 | Aug 29, 1996 | Quintana Pet. Corp. | Refugio | Tom O'CONNOR(5800 Sd)field Unit #C476 | 6,200 | 39132147 |
| 450103 | Aug 14, 1996 | Aug 14, 1996 | Quintana Pet. Corp. | Refugio | Tom O'CONNOR(5800 Sand)fld Unit #Q603 | 5,918 | 39100752 |
| 451035 | Aug 6, 1996 | Aug 6, 1996 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas "A" #57 | 5,950 | 39101473 |
| 450196 | Aug 2, 1996 | Aug 2, 1996 | Quintana Pet. Corp. | Colorado | Cullen, H. R. et Al #1 | 10,485 | 08900050 |
| 450890 | Aug 1, 1996 | Aug 1, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D138 | 4,701 | 39131790 |
| 450890Amendment | Aug 1, 1996 | Aug 1, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D138 | 4,701 | 39131790 |
| 450927 | Jul 30, 1996 | Jul 30, 1996 | Quintana Pet. Corp. | Colorado | Hastedt, Emma "B" #17 | 10,500 | 08931993 |
| 450656 | Jul 23, 1996 | Jul 23, 1996 | Quintana Pet. Corp. | La Salle | South Texas Syndicate II #10 | 11,000 | 28331611 |
| 450065 | Jul 15, 1996 | Jul 15, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #60 | 5,916 | 39100456 |
| 449505 | Jul 12, 1996 | Jul 12, 1996 | Quintana Pet. Corp. | Refugio | Tom O'Connor (5800 Sand)fld Unit #Q075 | 5,925 | 39101755 |
| 448583 | Jun 28, 1996 | Jun 28, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D 40 | 5,800 | 39104014 |
| 449511 | Jun 24, 1996 | Jun 24, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #61 | 5,915 | 39100497 |
| 449512 | Jun 21, 1996 | Jun 21, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "B" #28F | 6,064 | 39100526 |
| 449361 | Jun 21, 1996 | Jun 21, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #45 | 5,912 | 39100496 |
| 449108 | Jun 13, 1996 | Jun 13, 1996 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas "A" #111 | 4,477 | 39101483 |
| 449106 | Jun 13, 1996 | Jun 13, 1996 | Quintana Pet. Corp. | Refugio | Heard, Fannie V. W. Mrs. #67 | 4,404 | 39100715 |
| 448574 | May 31, 1996 | May 31, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #34 | 5,919 | 39100442 |
| 448322 | May 22, 1996 | May 22, 1996 | Quintana Pet. Corp. | Refugio | Tom O'Connor (5800 Sd)field Unit #Q342 | 5,925 | 39100701 |
| 444417 | May 13, 1996 | May 13, 1996 | Quintana Pet. Corp. | Refugio | Tom O'CONNOR(5800 Sand)fld Unit #Q609 | 6,000 | 39100758 |
| 446282 | May 10, 1996 | May 10, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D 38D | 5,760 | 39103894 |
| 450064 | May 9, 1996 | May 9, 1996 | Quintana Pet. Corp. | Refugio | Heard, Wilson "A" #1 | 5,945 | 39100745 |
| 447794 | May 8, 1996 | May 8, 1996 | Quintana Pet. Corp. | La Salle | South Texas Syndicate "A" #13 | 5,658 | 28300166 |
| 447602 | May 2, 1996 | May 2, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D 18 | 6,420 | 39100281 |
| 447276 | Apr 25, 1996 | Apr 25, 1996 | Quintana Pet. Corp. | Refugio | Tom O'Connor (5800 SD) Fld. Unit #Q414 | 5,923 | 39100552 |
| 446955 | Apr 18, 1996 | Apr 18, 1996 | Quintana Pet. Corp. | Refugio | Lake Pasture (FT-569) Field Unit #1125 | 6,110 | 39131775 |
| 446541 | Apr 18, 1996 | Apr 18, 1996 | Quintana Pet. Corp. | Refugio | Heard, Ira "B" #15 | 6,750 | 39130211 |
| 446541Amendment | Apr 18, 1996 | Apr 18, 1996 | Quintana Pet. Corp. | Refugio | Heard, Ira 'B' #15 | 6,750 | 39130211 |
| 446891 | Apr 16, 1996 | Apr 16, 1996 | Quintana Pet. Corp. | Refugio | Tom O'Connor (5800SD) Field Unit #Q856 | 5,910 | 39100452 |
| 446891Amendment | Apr 16, 1996 | Apr 16, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude Etal "A" #56 | 5,910 | 39100452 |
| 445604 | Apr 8, 1996 | Apr 8, 1996 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas "A" #82 | 5,923 | 39102026 |
| 446529 | Apr 4, 1996 | Apr 4, 1996 | Quintana Pet. Corp. | Refugio | Heard, Fannie V. W. Mrs. #112 | 6,971 | 39131401 |
| 446323 | Apr 4, 1996 | Apr 4, 1996 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas "A" #73 | 5,929 | 39101753 |
| 446336 | Apr 1, 1996 | Apr 1, 1996 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas "C" #40 | 5,900 | 39101568 |
| 446336Amendment | Apr 1, 1996 | Apr 1, 1996 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas "C" #40 | 5,900 | 39101568 |
| 446336Amendment | Apr 1, 1996 | Apr 1, 1996 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas 'C' #40 | 5,900 | 39101568 |
| 446284 | Mar 29, 1996 | Mar 29, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D 56F | 5,826 | 39100216 |
| 445062 | Mar 4, 1996 | Mar 4, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "B" #4 | 5,928 | 39100504 |
| 445018 | Mar 1, 1996 | Mar 1, 1996 | Quintana Pet. Corp. | Refugio | Tom O'Connor (5800 Sd)field Unit #Q210 | 5,916 | 39101154 |
| 443644 | Feb 29, 1996 | Feb 29, 1996 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas "A" #37U | 5,921 | 39101515 |
| 444583 | Feb 16, 1996 | Feb 16, 1996 | Quintana Pet. Corp. | Colorado | Hastedt, Emmmas "B" #1 | 10,822 | 08900032 |
| 444518 | Feb 12, 1996 | Feb 12, 1996 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas "A" #34 | 6,495 | 39101461 |
| 444415 | Feb 12, 1996 | Feb 12, 1996 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas "C" #44 | 5,926 | 39101130 |
| 444415Amendment | Feb 12, 1996 | Feb 12, 1996 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas "C" #44 | 5,926 | 39101130 |
| 444157 | Feb 5, 1996 | Feb 5, 1996 | Quintana Pet. Corp. | Refugio | Tom O'CONNOR(5800 SD) Field Unit #Q245 | 5,925 | 39102022 |
| 444158 | Jan 29, 1996 | Jan 29, 1996 | Quintana Pet. Corp. | Refugio | Thomas O'Connor "C" #51 | 5,915 | 39101143 |
| 444053 | Jan 29, 1996 | Jan 29, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D 54F | 5,806 | 39100290 |
| 443889 | Jan 26, 1996 | Jan 26, 1996 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas "B" #34 | 6,125 | 39101836 |
| 443786 | Jan 24, 1996 | Jan 24, 1996 | Quintana Pet. Corp. | Refugio | Tom OCONNOR(5800 Sand)field Unit #Q203 | 5,920 | 39101161 |
| 443782 | Jan 24, 1996 | Jan 24, 1996 | Quintana Pet. Corp. | Refugio | Tom OCONNOR(5800 Sand)field Unit #Q203G | 5,900 | 39101140 |
| 443893 | Jan 22, 1996 | Jan 22, 1996 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D 78 | 4,670 | 39130327 |
| 442868 | Dec 19, 1995 | Dec 19, 1995 | Quintana Pet. Corp. | Refugio | O'Connor, Thomas "A" #90 | 5,910 | 39102029 |
| 442590 | Dec 11, 1995 | Dec 11, 1995 | Quintana Pet. Corp. | Colorado | Hastedt, Emma #14L | 10,500 | 08931748 |
| 442356 | Dec 4, 1995 | Dec 4, 1995 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D 10 | 5,827 | 39100275 |
| 441892 | Nov 15, 1995 | Nov 15, 1995 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D146 | 4,650 | 39131791 |
| 441891 | Nov 15, 1995 | Nov 15, 1995 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D123 | 4,636 | 39131705 |
| 441890 | Nov 15, 1995 | Nov 15, 1995 | Quintana Pet. Corp. | Refugio | Williams, Maude et al "A" #D 42 | 5,750 | 39103882 |