| 391096 | Sep 26, 1991 | Sep 26, 1991 | Quintana Pet. Corp. | Lake Pasture (FT-569) Field Unit #105 | 5,764 | 39100208 |
| 391096Amendment | Sep 26, 1991 | Sep 26, 1991 | Quintana Pet. Corp. | Lake Pasture (FT-569) Field Unit #15 | 5,764 | 39100208 |
| 391678 | Sep 19, 1991 | Sep 19, 1991 | Quintana Pet. Corp. | Heard, Mrs. Fannie V. W. #51 | 5,895 | 39100704 |
| 391679 | Sep 18, 1991 | Sep 18, 1991 | Quintana Pet. Corp. | Thomas O'Connor "A" #61 | 5,940 | 39101752 |
| 391736 | Sep 17, 1991 | Sep 17, 1991 | T - C Oil Company | T-C Oil Company-O'Connor #3 | 5,730 | 39100300 |
| 390779 | Sep 16, 1991 | Sep 16, 1991 | Quintana Pet. Corp. | Reilly, Annie, et Vir #10 | 6,000 | 39100771 |
| 391241 | Aug 29, 1991 | Aug 29, 1991 | Quintana Pet. Corp. | Williams, Maude et al "A" #D 3 | 5,760 | 39100207 |
| 390826 | Aug 19, 1991 | Aug 19, 1991 | Citation Oil & Gas Corp. | El Oso Cattle Company #10U | 6,003 | 39103677 |
| 390826Amendment | Aug 19, 1991 | Aug 19, 1991 | Citation Oil & Gas Corp. | El Oso Cattle Company #10 | 6,003 | 39103677 |
| 390778 | Aug 19, 1991 | Aug 19, 1991 | Quintana Pet. Corp. | Williams, Maude et al "A" #81 | 7,924 | 39131244 |
| 390778Amendment | Aug 19, 1991 | Aug 19, 1991 | Quintana Pet. Corp. | Williams, Maude et al "A" #81 | 7,924 | 39131244 |
| 390777 | Aug 19, 1991 | Aug 19, 1991 | Quintana Pet. Corp. | O'Connor, Thomas "A" #109 | 5,625 | 39101482 |
| 390777Amendment | Aug 19, 1991 | Aug 19, 1991 | Quintana Pet. Corp. | O'Connor, Thomas "A" #109 | 5,625 | 39101482 |
| 390775 | Aug 19, 1991 | Aug 19, 1991 | Quintana Pet. Corp. | Heard, Claude E. , et Al #28 | 6,500 | 39100642 |
| 390775Amendment | Aug 19, 1991 | Aug 19, 1991 | Quintana Pet. Corp. | Heard, Claude E. , et Al #28 | 6,500 | 39100642 |
| 390774 | Aug 19, 1991 | Aug 19, 1991 | Quintana Pet. Corp. | Heard, Fannie V. W. Mrs. #44 | 5,925 | 39100703 |
| 390774Amendment | Aug 19, 1991 | Aug 19, 1991 | Quintana Pet. Corp. | Heard, Mrs. Fannie V. W. #44 | 5,925 | 39100703 |
| 390739 | Aug 15, 1991 | Aug 15, 1991 | M. J. G., Inc. | O'Connor #2 | 6,400 | 39132063 |
| 390646 | Aug 7, 1991 | Aug 7, 1991 | Quintana Pet. Corp. | Williams, Maude et al "A" #D 12 | 5,760 | 39100277 |
| 390572 | Aug 7, 1991 | Aug 7, 1991 | Bridge Oil Production Co., Inc. | Huff Gas Unit 1 #8 | 5,800 | 39131833 |
| 390012 | Jul 22, 1991 | Jul 22, 1991 | San Patricio Corporation | Rooke, F. B. & Sons et Al #2 | 7,200 | 39132062 |
| 389968 | Jul 18, 1991 | Jul 18, 1991 | T - C Oil Company | O'Connor, Dennis et al -G- #4 | 6,050 | 39100401 |
| 389970 | Jul 17, 1991 | Jul 17, 1991 | Anderson Oil Corporation | Welder #3 | 5,980 | 39132061 |
| 389743 | Jul 15, 1991 | Jul 15, 1991 | T - C Oil Company | O'Connor #60 | 7,100 | 39131497 |
| 389743Amendment | Jul 15, 1991 | Jul 15, 1991 | T - C Oil Company | O'Connor #60 | 5,400 | 39131497 |
| 389741 | Jul 15, 1991 | Jul 15, 1991 | T - C Oil Company | O'Connor #69 | 5,800 | 39131972 |
| 389656 | Jul 10, 1991 | Jul 10, 1991 | Rincon Petroleum Corporation | Wood, J.L. et Al #2 | 6,910 | 39132041 |
| 389597 | Jul 3, 1991 | Jul 3, 1991 | Brooklyn Union Explor. Co., Inc. | Larosa Gas Unit #34 | 9,524 | 39103387 |
| 389415 | Jul 3, 1991 | Jul 3, 1991 | Quintana Pet. Corp. | Tom O'CONNOR(5800SAND)FIELD Unit #H132 | 6,012 | 39131768 |
| 389413 | Jul 3, 1991 | Jul 3, 1991 | Quintana Pet. Corp. | O'Connor, Thomas "A" #60 | 5,937 | 39101476 |
| 389413Amendment | Jul 3, 1991 | Jul 3, 1991 | Quintana Pet. Corp. | Tom O'CONNOR(5800 Sand)field Uni #Q060 | 5,937 | 39101476 |
| 389385 | Jul 2, 1991 | Jul 2, 1991 | Quintana Pet. Corp. | O'Connor, Thomas "A" #45 | 5,925 | 39101520 |
| 389424 | Jul 1, 1991 | Jul 1, 1991 | T - C Oil Company | O'Connor #30 | 5,131 | 39100246 |
| 389286 | Jun 24, 1991 | Jun 24, 1991 | Christopher Oil & Gas Inc | Crews #2 | 9,000 | 39132060 |
| 389001 | Jun 24, 1991 | Jun 24, 1991 | T - C Oil Company | O'Connor #66 | 5,850 | 39131942 |
| 389220 | Jun 21, 1991 | Jun 21, 1991 | Pace Oil and Gas Company | O'Connor, C.W. Est. #9 | 5,441 | 39101923 |
| 388884 | Jun 20, 1991 | Jun 20, 1991 | Quintana Pet. Corp. | Williams, Maude et al "B" #6 | 5,924 | 39100505 |
| 387984 | Jun 18, 1991 | Jun 18, 1991 | Quintana Pet. Corp. | Heard, Mrs. Fannie V. W. #7GU | 9,143 | 39100728 |
| 389042 | Jun 17, 1991 | Jun 17, 1991 | Christopher Oil & Gas Inc | Rooke #2 | 6,900 | 39132059 |
| 388924 | Jun 17, 1991 | Jun 17, 1991 | Quintana Pet. Corp. | Heard, Mrs. Fannie V. W. #5G | 5,985 | 39100726 |
| 388922 | Jun 17, 1991 | Jun 17, 1991 | Quintana Pet. Corp. | O'Connor, Thomas "A" #110 | 4,525 | 39101529 |
| 388943 | Jun 13, 1991 | Jun 13, 1991 | Fischer Operating Corporation | Barber #5 | 5,780 | 39132047 |
| 388819 | Jun 12, 1991 | Jun 12, 1991 | Quintana Pet. Corp. | O'Connor, Thomas "A" #94 | 5,902 | 39101554 |
| 388815 | Jun 12, 1991 | Jun 12, 1991 | T - C Oil Company | O'Connor #76X | 7,500 | 39132058 |
| 388815Amendment | Jun 12, 1991 | Jun 12, 1991 | T - C Oil Company | O'Connor #76X | 6,201 | 39132058 |
| 388815Amendment | Jun 12, 1991 | Jun 12, 1991 | T - C Oil Company | O'Connor #76X | 3,000 | 39132058 |
| 388756 | Jun 11, 1991 | Jun 11, 1991 | Quintana Pet. Corp. | Williams, Maude et al "A" #11 | 5,925 | 39100424 |
| 388755 | Jun 11, 1991 | Jun 11, 1991 | Quintana Pet. Corp. | Williams, Maude et al "B" #4 | 5,928 | 39100504 |
| 388755Amendment | Jun 11, 1991 | Jun 11, 1991 | Quintana Pet. Corp. | Williams, Maude et al "B" #4 | 5,928 | 39100504 |
| 387903 | Jun 11, 1991 | Jun 11, 1991 | Whitehall Operating Inc. | Welder, J. F. Heirs #23 | 6,100 | 39132055 |
| 388597 | Jun 10, 1991 | Jun 10, 1991 | Bridge Oil Production Co., Inc. | Huff, G. U. 1 #7T | 5,800 | 39131823 |
| 388605 | Jun 6, 1991 | Jun 6, 1991 | T - C Oil Company | O'Connor #64 | 5,850 | 39131836 |
| 388605Amendment | Jun 6, 1991 | Jun 6, 1991 | T - C Oil Company | O'Connor #64 | 5,850 | 39131836 |
| 388547 | Jun 5, 1991 | Jun 5, 1991 | Quintana Pet. Corp. | Reilly, Annie #1G | 5,900 | 39100772 |
| 388410 | Jun 3, 1991 | Jun 3, 1991 | Braman, D. H., Jr. | O'Connor, Dennis "F" et Al #5 | 8,000 | 39131326 |
| 388420 | May 30, 1991 | May 30, 1991 | Anderson Oil Corporation | Holeman #1 | 5,980 | 39132056 |
| 388071 | May 21, 1991 | May 21, 1991 | T - C Oil Company | O'Connor "H" #24 | 3,300 | 39103768 |
| 388070 | May 21, 1991 | May 21, 1991 | T - C Oil Company | T-C Oil Company-O'Connor #9 | 4,650 | 39100372 |
| 388069 | May 21, 1991 | May 21, 1991 | T - C Oil Company | T-C Oil Company-O'Connor #4 | 5,971 | 39100301 |
| 388068 | May 21, 1991 | May 21, 1991 | T - C Oil Company | T-C Oil Company-O'Connor #63 | 6,000 | 39131695 |
| 387878 | May 15, 1991 | May 15, 1991 | Quintana Pet. Corp. | Tom O'CONNOR(5800SAND)FIELD Unit #Q295 | 6,100 | 39132054 |
| 387928 | May 14, 1991 | May 14, 1991 | Bridge Oil Production Co., Inc. | Huff Gas Unit 1 #7 | 5,800 | 39131823 |
| 387600 | May 8, 1991 | May 8, 1991 | T - C Oil Company | O'Connor "H" #H 25 | 3,260 | 39103910 |
| 387474 | May 7, 1991 | May 7, 1991 | Rincon Petroleum Corporation | Wood, J. L. et Al #1 | 6,910 | 39132022 |
| 387420 | May 7, 1991 | May 7, 1991 | Quintana Pet. Corp. | Williams, Maude, et al "C" #1 | 5,914 | 39100500 |
| 387420Amendment | May 7, 1991 | May 7, 1991 | Quintana Pet. Corp. | Williams, Maude et al "C" #1 | 5,914 | 39100500 |
| 387439 | May 3, 1991 | May 3, 1991 | Anderson Oil Corporation | Welder #2 | 5,900 | 39132053 |
| 387439Amendment | May 3, 1991 | May 3, 1991 | Anderson Oil Corporation | Welder #2 | 5,900 | 39132053 |
| 387210 | Apr 30, 1991 | Apr 30, 1991 | Quintana Pet. Corp. | Heard, Claude E. #14 | 5,925 | 39100552 |
| 386300 | Apr 30, 1991 | Apr 30, 1991 | McLeod, George L. Inc. | Rooke, F.B. & Sons Ltd. #1 | 6,907 | 39132025 |
| 386915 | Apr 23, 1991 | Apr 23, 1991 | Quintana Pet. Corp. | Tom O'CONNOR(5800SAND)FIELD Unit #Q315 | 5,927 | 39100684 |
| 386941 | Apr 18, 1991 | Apr 18, 1991 | T - C Oil Company | T-C Oil Company- O'Connor #47 | 6,000 | 39130025 |
| 386665 | Apr 18, 1991 | Apr 18, 1991 | Pennzoil Exploration & Prod. Co. | Lambert, M. F. #37 | 5,891 | 39101379 |
| 386642 | Apr 17, 1991 | Apr 17, 1991 | Quintana Pet. Corp. | Tom O'CONNOR(5800SAND)FIELD Unit #Q253 | 8,655 | 39101131 |
| 386442 | Apr 17, 1991 | Apr 17, 1991 | T - C Oil Company | T-C Oil Company-O'Connor #4 | 5,971 | 39100301 |
| 385211 | Apr 17, 1991 | Apr 17, 1991 | CTR Petroleum, Inc. | Churchill Unit #2 | 6,370 | 39131668 |
| 386710 | Apr 16, 1991 | Apr 16, 1991 | T - C Oil Company | O'Connor "H" #H 26 | 3,301 | 39104008 |
| 386533 | Apr 11, 1991 | Apr 11, 1991 | H & D Operating Company | Lambert, M. F. #18 | 6,413 | 39101192 |
| 386531 | Apr 11, 1991 | Apr 11, 1991 | Quintana Pet. Corp. | O'Connor, Thomas "A' #69 | 5,943 | 39101481 |
| 386531Amendment | Apr 11, 1991 | Apr 11, 1991 | Quintana Pet. Corp. | O'Connor, Thomas "A' #69 | 5,943 | 39101481 |
| 385535 | Apr 11, 1991 | Apr 11, 1991 | Quintana Pet. Corp. | Williams, Maude et al "A" #D158 | 5,805 | 39132037 |
| 386399 | Apr 8, 1991 | Apr 8, 1991 | Maran Oil Company | Anderson, M. A. et al -A- #11 | 6,000 | 39130224 |
| 386212 | Apr 2, 1991 | Apr 2, 1991 | Quintana Pet. Corp. | O'Connor,tom (5800'SAND)FLD. Ut. #Q012 | 5,885 | 39101505 |
| 386206 | Apr 2, 1991 | Apr 2, 1991 | Quintana Pet. Corp. | Heard, Mrs. Fammie V. W. #76 | 4,515 | 39103787 |
| 386026 | Mar 26, 1991 | Mar 26, 1991 | Quintana Pet. Corp. | Williams, Maude et al "A" #D 77 | 7,147 | 39130345 |
| 385851 | Mar 22, 1991 | Mar 22, 1991 | T - C Oil Company | O'Connor #9 | 2,252 | 39182080 |
| 385852 | Mar 21, 1991 | Mar 21, 1991 | T - C Oil Company | O'Connor, Dennis et al "L" #L 54 | 3,500 | 39131486 |
| 385850 | Mar 21, 1991 | Mar 21, 1991 | T - C Oil Company | T-C Oil Company-O'Connor #1 | 5,823 | 39100221 |
| 385550 | Mar 19, 1991 | Mar 19, 1991 | T - C Oil Company | T-C Oil Company-O'Connor #2 | 5,945 | 39160007 |
| 385550Amendment | Mar 19, 1991 | Mar 19, 1991 | T - C Oil Company | T-C Oil Company-O'Connor #2 | 5,945 | 39160007 |
| 385447 | Mar 14, 1991 | Mar 14, 1991 | Gold King Consolidated, Inc. | Clarkson #2 | 2,900 | 39132051 |
| 385468 | Mar 11, 1991 | Mar 11, 1991 | San Patricio Corporation | Rooke, F. B. & Sons et Al #1 | 7,200 | 39132052 |
| 385209 | Mar 6, 1991 | Mar 6, 1991 | CTR Petroleum, Inc. | Churchill Unit #4 | 8,400 | 39131572 |
| 385337 | Mar 5, 1991 | Mar 5, 1991 | Brayton Oil Corp. | Barber #2 | 6,200 | 39132050 |
| 385095 | Feb 25, 1991 | Feb 25, 1991 | Anderson Oil Corporation | Welder #1 | 6,300 | 39132049 |
| 384906 | Feb 25, 1991 | Feb 25, 1991 | CTR Petroleum, Inc. | Heard, A.W.J. "A" #5 | 4,000 | 39131954 |
| 384557 | Feb 22, 1991 | Feb 22, 1991 | T - C Oil Company | T-C Oil Company-O'Connor #57 | 7,821 | 39130279 |
| 384602 | Feb 20, 1991 | Feb 20, 1991 | Quintana Pet. Corp. | Tom O'CONNOR(5800'SAND)FLD. Unit #Q239U | 5,925 | 39101567 |
| 384601 | Feb 20, 1991 | Feb 20, 1991 | Quintana Pet. Corp. | O'Connor, Thomas "C" #40 | 5,900 | 39101568 |
| 384473 | Feb 15, 1991 | Feb 15, 1991 | M. J. G., Inc. | O'Connor #1 | 7,050 | 39132048 |