| 485642 | Jul 6, 1999 | Jul 6, 1999 | Coastal Oil & Gas Corporation | Noll Sand Gas Unit #4 | 11,000 | 04731860 |
| 485571 | Jul 2, 1999 | Jul 2, 1999 | Exxon Corp. | Kleberg, R.J. Jr. TR Viboras Pas #132 | 7,229 | 04731487 |
| 485505 | Jul 1, 1999 | Jul 1, 1999 | CB Energy, LLC | Shell-Santa FE Ranch #2 | 4,300 | 04731855 |
| 485509 | Jun 29, 1999 | Jun 29, 1999 | CB Energy, LLC | Shell-Santa FE Ranch #5 | 4,300 | 04731859 |
| 485508 | Jun 29, 1999 | Jun 29, 1999 | CB Energy, LLC | Shell-Santa FE Ranch #4 | 2,300 | 04731858 |
| 485474 | Jun 25, 1999 | Jun 25, 1999 | Maguire Oil Company | Perez-Alaniz Deep "B" #1 | 13,400 | 04731854 |
| 485474Amendment | Jun 25, 1999 | Jun 25, 1999 | Maguire Oil Company | Perez-Alaniz Deep "B" #1 | 12,500 | 04731854 |
| 485474Amendment | Jun 25, 1999 | Jun 25, 1999 | Maguire Oil Company | Perez-Alaniz Deep "B" #1 | 13,500 | 04731854 |
| 485294 | Jun 18, 1999 | Jun 18, 1999 | Coastal Oil & Gas Corporation | Cage Ranch #7094 | 12,000 | 04731853 |
| 485294Amendment | Jun 18, 1999 | Jun 18, 1999 | Coastal Oil & Gas Corporation | Cage Ranch #7094 | 10,300 | 04731853 |
| 485294Amendment | Jun 18, 1999 | Jun 18, 1999 | Coastal Oil & Gas Corporation | Cage Ranch #7094 | 10,300 | 04731853 |
| 485294Amendment | Jun 18, 1999 | Jun 18, 1999 | Coastal Oil & Gas Corporation | Cage Ranch #7094 | 10,500 | 04731853 |
| 485232 | Jun 15, 1999 | Jun 15, 1999 | Enron Oil & Gas Company | Mangel A #1 | 10,910 | 04731827 |
| 485165 | Jun 14, 1999 | Jun 14, 1999 | Maguire Oil Company | Chamberlain High #1 | 8,950 | 04731736 |
| 485140 | Jun 11, 1999 | Jun 11, 1999 | Maguire Oil Company | Sullivan, D. J. "P" #1 | 9,400 | 04731715 |
| 484990 | Jun 4, 1999 | Jun 4, 1999 | Mobil Producing TX. & N.M. Inc. | La Gloria Gas Unit #113 | 7,300 | 04731573 |
| 483686 | Jun 2, 1999 | Jun 2, 1999 | Costilla Energy, Inc. | Scott & Hopper #54 | 10,500 | 04731850 |
| 484400 | May 10, 1999 | May 10, 1999 | Maguire Oil Company | Perez-Alaniz Deep "A" #1 | 13,200 | 04731793 |
| 484369 | May 7, 1999 | May 7, 1999 | Maguire Oil Company | Sullivan Deep "AA" #2 | 13,275 | 04731822 |
| 484350 | May 6, 1999 | May 6, 1999 | Enron Oil & Gas Company | Venecia-Mangel GU #1 | 11,100 | 04731852 |
| 484350Amendment | May 6, 1999 | May 6, 1999 | Enron Oil & Gas Company | Venecia-Mangel GU #1 | 10,200 | 04731852 |
| 484015 | Apr 29, 1999 | Apr 29, 1999 | Cotton, W.L. Gems & Minerals Ltd | Trad/Kalita #2 | 8,500 | 04731605 |
| 483980 | Apr 20, 1999 | Apr 20, 1999 | Texaco E & P Inc. | Lopez, G. G. #8 | 12,500 | 04731851 |
| 483902 | Apr 16, 1999 | Apr 16, 1999 | Coastal Oil & Gas Corporation | Rupp Nichols GU #1 | 12,000 | 04730841 |
| 483148 | Apr 6, 1999 | Apr 6, 1999 | Sable Energy Corp. | Brooks #1 | 11,000 | 04731847 |
| 483581 | Mar 29, 1999 | Mar 29, 1999 | Exxon Corp. | McGill Bros. #413 | 6,375 | 04701672 |
| 483424 | Mar 24, 1999 | Mar 24, 1999 | Costilla Energy, Inc. | Texaco-Scott & Hopper #1 | 13,000 | 04731849 |
| 483424Amendment | Mar 24, 1999 | Mar 24, 1999 | Maguire Oil Company | Scott & Hopper "T" #1 | 13,000 | 04731849 |
| 483395 | Mar 19, 1999 | Mar 19, 1999 | Texaco E & P Inc. | Lopez, G. G. #7 | 12,000 | 04731848 |
| 483342 | Mar 18, 1999 | Mar 18, 1999 | Exxon Corp. | Viboras Field Gas Unit No. 1 #V 77 | 8,189 | 04730655 |
| 483282 | Mar 16, 1999 | Mar 16, 1999 | Jamex, Inc. | Mangel #1ST | 10,600 | 04731777 |
| 483234 | Mar 15, 1999 | Mar 15, 1999 | Exxon Corp. | McGill Bros. #367 | 5,807 | 04701605 |
| 482901 | Feb 23, 1999 | Feb 23, 1999 | Maguire Oil Company | Sullivan Deep "C" #1 | 15,000 | 04731846 |
| 482901Amendment | Feb 23, 1999 | Feb 23, 1999 | Maguire Oil Company | Sullivan Deep "C" #1 | 15,000 | 04731846 |
| 482649 | Feb 11, 1999 | Feb 11, 1999 | Exxon Corp. | Viboras Field Gas Unit No. 1 #V 80 | 8,514 | 04730701 |
| 482648 | Feb 11, 1999 | Feb 11, 1999 | Exxon Corp. | NE Viboras State GU No. 1 #1 | 12,000 | 04731845 |
| 482648Amendment | Feb 11, 1999 | Feb 11, 1999 | Exxon Mobil Corporation | NE Viboras State GU No. 1 #1 | 12,000 | 04731845 |
| 482647 | Feb 11, 1999 | Feb 11, 1999 | Exxon Corp. | Kleberg, R J Jr TR Viboras Past. #111 | 8,722 | 04731232 |
| 482610 | Feb 10, 1999 | Feb 10, 1999 | Coastal Oil & Gas Corporation | W. P. Wright GU #1 | 8,500 | 04731844 |
| 482566 | Feb 9, 1999 | Feb 9, 1999 | Exxon Corp. | McGill Bros. #554 | 9,500 | 04731843 |
| 482566Amendment | Feb 9, 1999 | Feb 9, 1999 | Exxon Corp. | McGill Bros. #554 | 9,600 | 04731843 |
| 482080 | Jan 19, 1999 | Jan 19, 1999 | Texaco E & P Inc. | McGill Bros. O/A #1U | 9,215 | 04700868 |
| 481994 | Jan 15, 1999 | Jan 15, 1999 | Shell Western E&P Inc. | El Coyote "C" #16 | 11,000 | 04731795 |
| 481959 | Jan 11, 1999 | Jan 11, 1999 | Coastal Oil & Gas Corporation | Schnitz Gas Unit #1 | 12,500 | 04731842 |
| 481700 | Dec 22, 1998 | Dec 22, 1998 | Exxon Corp. | Kleberg,r.j.jr.tr.zach.past.st. #26 | 11,800 | 04731841 |
| 481667 | Dec 21, 1998 | Dec 21, 1998 | Winn Exploration Co., Inc. | Myrick #1 | 11,000 | 04731840 |
| 481575 | Dec 17, 1998 | Dec 17, 1998 | Exxon Corp. | Kleberg, R.J. Jr. Zach Past. St. #19 | 10,447 | 04731754 |
| 481523 | Dec 15, 1998 | Dec 15, 1998 | Coastal Oil & Gas Corporation | Cage Ranch II #6472 | 11,000 | 04731785 |
| 481455 | Dec 11, 1998 | Dec 11, 1998 | Maguire Oil Company | Rupp #7 | 8,500 | 04731717 |
| 481277 | Dec 4, 1998 | Dec 4, 1998 | Coastal Oil & Gas Corporation | Wagenschein State #2201 | 13,000 | 04731838 |
| 481102 | Nov 24, 1998 | Nov 24, 1998 | Shell Western E&P Inc. | Santa FE Ranch #11 | 7,600 | 04701335 |
| 481101 | Nov 24, 1998 | Nov 24, 1998 | Shell Western E&P Inc. | Santa FE Ranch #72 | 7,300 | 04730958 |
| 481101Amendment | Nov 24, 1998 | Nov 24, 1998 | Shell Western E&P Inc. | Santa FE Ranch #72 | 15,125 | 04730958 |
| 481032 | Nov 20, 1998 | Nov 20, 1998 | Maguire Oil Company | Sullivan Deep "CC" #1 | 13,200 | 04731837 |
| 481032Amendment | Nov 20, 1998 | Nov 20, 1998 | Maguire Oil Company | Sullivan Deep "CC" #1 | 14,000 | 04731837 |
| 481025 | Nov 19, 1998 | Nov 19, 1998 | Brigham Oil & Gas, L.P. | Jones 332 #1 | 8,500 | 04731836 |
| 481024 | Nov 19, 1998 | Nov 19, 1998 | Brigham Oil & Gas, L.P. | Perez Unit 347-1 #2 | 9,500 | 04731835 |
| 480994 | Nov 19, 1998 | Nov 19, 1998 | Coastal Oil & Gas Corporation | Gonzalez Gas Unit #1 | 14,000 | 04731834 |
| 480590 | Nov 2, 1998 | Nov 2, 1998 | Coastal Oil & Gas Corporation | Garcia Benavides GU # 1 #2 | 12,000 | 04731833 |
| 480561 | Oct 30, 1998 | Oct 30, 1998 | Brigham Oil & Gas, L.P. | Perez Unit 347-2 #1 | 9,500 | 04731832 |
| 480103 | Oct 22, 1998 | Oct 22, 1998 | Exxon Corp. | Kleberg, R. J. Jr Viboras Pas #99 | 9,200 | 04731058 |
| 479815 | Oct 6, 1998 | Oct 6, 1998 | Texaco E & P Inc. | McGill Bros. NCT-1 #51 | 6,215 | 04730109 |
| 479808 | Sep 30, 1998 | Sep 30, 1998 | Coastal Oil & Gas Corporation | Cage Ranch #7093 | 9,000 | 04731830 |
| 479808Amendment | Sep 30, 1998 | Sep 30, 1998 | Coastal Oil & Gas Corporation | Cage Ranch #7093 | 12,000 | 04731830 |
| 479808Amendment | Sep 30, 1998 | Sep 30, 1998 | Coastal Oil & Gas Corporation | Cage Ranch #7093 | 12,000 | 04731830 |
| 479521 | Sep 18, 1998 | Sep 18, 1998 | Coastal Oil & Gas Corporation | Noll Sand Gas Unit #3 | 13,500 | 04731828 |
| 479520 | Sep 18, 1998 | Sep 18, 1998 | Coastal Oil & Gas Corporation | Cage Ranch State-Tract #2601 | 11,500 | 04731829 |
| 479296 | Sep 8, 1998 | Sep 8, 1998 | Maguire Oil Company | Sullivan "V" #1 | 9,450 | 04731768 |
| 479223 | Sep 2, 1998 | Sep 2, 1998 | Enron Oil & Gas Company | Mangel A #1 | 11,100 | 04731827 |
| 479169 | Sep 1, 1998 | Sep 1, 1998 | Brigham Oil & Gas, L.P. | Palmer State #1 | 14,500 | 04731826 |
| 478945 | Sep 1, 1998 | Sep 1, 1998 | Tepee Petroleum Co., Inc. | Garza, Rogerio et Al #1 | 6,900 | 04730063 |
| 479058 | Aug 27, 1998 | Aug 27, 1998 | Coastal Oil & Gas Corporation | Rupp-Nichols Gas Unit #2 | 13,000 | 04731825 |
| 479031 | Aug 27, 1998 | Aug 27, 1998 | Edge Petroleum Oper. Co., Inc. | Mendez, Eloy #1 | 9,800 | 04731824 |
| 478784 | Aug 21, 1998 | Aug 21, 1998 | Cotton, W.L. Gems & Minerals Ltd | Trad/Kalifa #2 | 8,500 | 04731605 |
| 478895 | Aug 20, 1998 | Aug 20, 1998 | Coastal Oil & Gas Corporation | Cage Ranch #6492 | 10,000 | 04731823 |
| 478831 | Aug 19, 1998 | Aug 19, 1998 | Maguire Oil Company | Sullivan Deep "AA" #2 | 13,600 | 04731822 |
| 478831Amendment | Aug 19, 1998 | Aug 19, 1998 | Maguire Oil Company | Sullivan Deep "AA" #2 | 13,600 | 04731822 |
| 478719 | Aug 13, 1998 | Aug 13, 1998 | Winn Exploration Co., Inc. | Rachal #1 | 9,200 | 04731821 |
| 478708 | Aug 13, 1998 | Aug 13, 1998 | Brigham Oil & Gas, L.P. | Cantu Perez Unit #1 | 8,500 | 04731820 |
| 478583 | Aug 13, 1998 | Aug 13, 1998 | Costilla Energy, Inc. | Sullivan, D. J. -B- #109 | 8,700 | 04731819 |
| 478583Amendment | Aug 13, 1998 | Aug 13, 1998 | Dreyfus, Louis Natural Gas Corp | Sullivan, D. J. -B- #109 | 9,100 | 04731819 |
| 478581 | Aug 11, 1998 | Aug 11, 1998 | Costilla Energy, Inc. | Sullivan, D. J. -B- #108 | 8,700 | 04731818 |
| 478581Amendment | Aug 11, 1998 | Aug 11, 1998 | Costilla Energy, Inc. | Sullivan, D. J. -B- #108 | 8,706 | 04731818 |
| 478580 | Aug 7, 1998 | Aug 7, 1998 | Costilla Energy, Inc. | Sullivan, D. J. -B- #107 | 9,200 | 04731817 |
| 478385 | Jul 30, 1998 | Jul 30, 1998 | Brigham Oil & Gas, L.P. | Perez Unit 347-1 #1 | 9,001 | 04731816 |
| 478330 | Jul 28, 1998 | Jul 28, 1998 | Shell Western E&P Inc. | Barbara Lips Gas Unit #1 | 9,000 | 04731639 |
| 477813 | Jul 9, 1998 | Jul 9, 1998 | Exxon Corp. | Kleberg,r.j.jr.tr.zach Past. St. #25 | 14,500 | 04731815 |
| 477560 | Jun 29, 1998 | Jun 29, 1998 | Wynn-Crosby Energy, Inc. | Octavio Longoria #4 | 11,850 | 04731814 |
| 477503 | Jun 29, 1998 | Jun 29, 1998 | Maguire Oil Company | Sullivan Deep "BB" #1 | 11,000 | 04731813 |
| 477240 | Jun 17, 1998 | Jun 17, 1998 | Exxon Corp. | Kleberg,r.j.jr.tr. Quiteria Past #131 | 11,841 | 04731746 |
| 477207 | Jun 16, 1998 | Jun 16, 1998 | Shell Western E&P Inc. | Santa FE Ranch #72 | 7,800 | 04730958 |
| 477207Amendment | Jun 16, 1998 | Jun 16, 1998 | Shell Western E&P Inc. | Santa FE Ranch #72 | 7,800 | 04730958 |
| 477112 | Jun 12, 1998 | Jun 12, 1998 | Exxon Corp. | McGill Bros. #553 | 10,200 | 04731812 |
| 477109 | Jun 12, 1998 | Jun 12, 1998 | Wynn-Crosby Energy, Inc. | Longoria, Octavio et Al #8 | 13,000 | 04731811 |
| 477046 | Jun 11, 1998 | Jun 11, 1998 | Anderson Oil Corporation | De Porras, V. G. #1 | 7,500 | 04701365 |
| 476933 | Jun 10, 1998 | Jun 10, 1998 | Costilla Energy, Inc. | Scott & Hopper #53 | 10,000 | 04731810 |
| 476933Amendment | Jun 10, 1998 | Jun 10, 1998 | Costilla Energy, Inc. | Scott & Hopper #53 | 8,750 | 04731810 |
| 476855 | Jun 4, 1998 | Jun 4, 1998 | Exxon Corp. | McGill Bros. #461 | 7,479 | 04730882 |
| 476839 | Jun 4, 1998 | Jun 4, 1998 | Coastal Oil & Gas Corporation | Rupp Gas Unit No. 2 #3 | 13,500 | 04731809 |
| 476784 | Jun 2, 1998 | Jun 2, 1998 | Shell Western E&P Inc. | Barbara Lips Gas Unit #8 | 11,000 | 04731808 |