| 500686 | Oct 12, 2000 | Oct 12, 2000 | United Oil & Minerals, Inc. | Lasater, Garland #7 | 8,200 | 04731907 |
| 500682 | Oct 12, 2000 | Oct 12, 2000 | United Oil & Minerals, Inc. | Lasater, Garland #6 | 8,000 | 04731908 |
| 500417 | Oct 5, 2000 | Oct 5, 2000 | Gaither Petroleum Corporation | Bennett, Mills Estate Fee #65 | 4,550 | 04731905 |
| 500380 | Oct 4, 2000 | Oct 4, 2000 | Mestena, Inc. | Leoncito #19 | 6,000 | 04731904 |
| 500227 | Sep 29, 2000 | Sep 29, 2000 | EOG Resources, Inc. | Venecia-Mangel GU #1 | 11,100 | 04731852 |
| 499764 | Sep 18, 2000 | Sep 18, 2000 | Coastal Oil & Gas Corporation | Cage Ranch II #7101 | 8,930 | 04731699 |
| 499689 | Sep 15, 2000 | Sep 15, 2000 | Comstock Oil & Gas, Inc. | Bennett, Mills Estate #1 | 7,000 | 04731903 |
| 499357 | Sep 7, 2000 | Sep 7, 2000 | United Oil & Minerals, Inc. | Garland Lasater #5 | 11,000 | 04731902 |
| 499318 | Sep 7, 2000 | Sep 7, 2000 | Coastal Oil & Gas Corporation | Cage Ranch 707 #3 | 7,500 | 04731723 |
| 498802 | Aug 24, 2000 | Aug 24, 2000 | Coastal Oil & Gas Corporation | Cage Ranch 725 #1 | 8,000 | 04731866 |
| 498077 | Aug 4, 2000 | Aug 4, 2000 | United Oil & Minerals, Inc. | Lasater, Garland #3 | 6,000 | 04731901 |
| 498077Amendment | Aug 4, 2000 | Aug 4, 2000 | United Oil & Minerals, Inc. | Lasater, Garland #3 | 8,000 | 04731901 |
| 498005 | Aug 3, 2000 | Aug 3, 2000 | Coastal Oil & Gas Corporation | Cage Ranch 603 #5 | 7,600 | 04731867 |
| 498005Amendment | Aug 3, 2000 | Aug 3, 2000 | Coastal Oil & Gas Corporation | Cage Ranch 603 #5 | 7,600 | 04731867 |
| 498005Amendment | Aug 3, 2000 | Aug 3, 2000 | United Oil & Minerals L. P. | Cage Ranch 603 #5 | 7,600 | 04731867 |
| 497925 | Aug 1, 2000 | Aug 1, 2000 | United Oil & Minerals, Inc. | Cage Ranch #1 | 12,500 | 04731900 |
| 497925Amendment | Aug 1, 2000 | Aug 1, 2000 | United Oil & Minerals L. P. | Cage Ranch #1 | 12,500 | 04731900 |
| 497163 | Jul 24, 2000 | Jul 24, 2000 | CB Energy, LLC | Shell-Santa FE Ranch "7" #7 | 3,400 | 04731880 |
| 497162 | Jul 20, 2000 | Jul 20, 2000 | CB Energy, LLC | Shell-Santa FE Ranch 6 #6 | 7,180 | 04731874 |
| 497307 | Jul 18, 2000 | Jul 18, 2000 | Maguire Oil Company | Rupp #7 | 8,500 | 04731717 |
| 496499 | Jul 10, 2000 | Jul 10, 2000 | Range Production Company | Garcia 1 #39 | 9,000 | 04731634 |
| 496963 | Jul 7, 2000 | Jul 7, 2000 | Republic Resources, LLC, | Vickers #3 | 8,000 | 04731899 |
| 496210 | Jun 15, 2000 | Jun 15, 2000 | United Oil & Minerals, Inc. | Lasater, Garland #2 | 12,000 | 04731898 |
| 495828 | Jun 14, 2000 | Jun 14, 2000 | Range Production Company | Garcia 1 #47 | 7,500 | 04731878 |
| 495992 | Jun 9, 2000 | Jun 9, 2000 | Coastal Oil & Gas Corporation | Cage Ranch 603 #5 | 8,500 | 04731867 |
| 495936 | Jun 7, 2000 | Jun 7, 2000 | Gaither Petroleum Corporation | Bennett, Mills Estate Fee #64 | 5,000 | 04731897 |
| 495936Amendment | Jun 7, 2000 | Jun 7, 2000 | Gaither Petroleum Corporation | Bennett, Mills Estate Fee #64 | 5,000 | 04731897 |
| 495644 | May 30, 2000 | May 30, 2000 | Mobil Producing TX. & N.M. Inc. | Church of the Brethren Unit #9 | 9,700 | 04731896 |
| 495519 | May 25, 2000 | May 25, 2000 | Maguire Oil Company | Perez-Alaniz Deep "B" #1 | 13,500 | 04731854 |
| 495518 | May 25, 2000 | May 25, 2000 | Maguire Oil Company | Sullivan Deep "C" #1 | 15,000 | 04731846 |
| 495078 | May 15, 2000 | May 15, 2000 | Maguire Oil Company | Rupp High #1 | 8,600 | 04731696 |
| 494797 | May 12, 2000 | May 12, 2000 | CB Energy, LLC | Shell-Santa FE Ranch 6 #6 | 7,180 | 04731874 |
| 494581 | May 4, 2000 | May 4, 2000 | Brigham Oil & Gas, L.P. | Palmer State 348 #2 | 14,000 | 04731861 |
| 494481 | Apr 26, 2000 | Apr 26, 2000 | Maguire Oil Company | Sullivan Deep "C" #2 | 14,000 | 04731895 |
| 493995 | Apr 26, 2000 | Apr 26, 2000 | Duke Energy Field Services, Inc. | Cathodic-Defsi #9LG | 200 | 04731894 |
| 494125 | Apr 14, 2000 | Apr 14, 2000 | Mestena, Inc. | Mestena Oil & Gas Co. Lse "1" #67 | 4,100 | 04731893 |
| 493636 | Mar 30, 2000 | Mar 30, 2000 | Maguire Oil Company | Scott & Hopper "T" A #1 | 12,900 | 04731892 |
| 492864 | Mar 9, 2000 | Mar 9, 2000 | Texaco E & P Inc. | McGill Bros. NCT-1 #19 | 8,620 | 04700875 |
| 492864Amendment | Mar 9, 2000 | Mar 9, 2000 | Texaco E & P Inc. | McGill Bros. NCT-1 #19 | 8,620 | 04700875 |
| 492841 | Mar 7, 2000 | Mar 7, 2000 | Maguire Oil Company | Rupp #7 | 8,500 | 04731717 |
| 492814 | Mar 7, 2000 | Mar 7, 2000 | Welder-Heyer Energy, Inc. | Leota #1 | 8,500 | 04731891 |
| 492807 | Mar 7, 2000 | Mar 7, 2000 | Brigham Oil & Gas, L.P. | Palmer State 348 #3 | 14,000 | 04731890 |
| 492786 | Mar 6, 2000 | Mar 6, 2000 | Coastal Oil & Gas Corporation | Cage Ranch State Gas Unit 1 #7103 | 9,590 | 04731780 |
| 492600 | Mar 1, 2000 | Mar 1, 2000 | Range Production Company | Garcia 1 #35 | 10,000 | 04731628 |
| 491411 | Feb 18, 2000 | Feb 18, 2000 | Cody Energy LLC | Lisandro Longoria et al Gas Unit #19 | 11,000 | 04731884 |
| 491410 | Feb 18, 2000 | Feb 18, 2000 | Cody Energy LLC | Lisandro Longoria et al Gas Unit #11 | 11,000 | 04731885 |
| 492176 | Feb 16, 2000 | Feb 16, 2000 | Coastal Oil & Gas Corporation | Cage Ranch Gas Unit #6031 | 8,196 | 04731770 |
| 492127 | Feb 15, 2000 | Feb 15, 2000 | Exxon Corp. | McGill Bros. #562 | 10,000 | 04731889 |
| 491860 | Feb 14, 2000 | Feb 14, 2000 | Texaco E & P Inc. | McGill Bros. O/A #3U | 9,420 | 04730291 |
| 491940 | Feb 9, 2000 | Feb 9, 2000 | United Oil & Minerals, Inc. | Lasater, Garland #1 | 9,000 | 04731888 |
| 491940Amendment | Feb 9, 2000 | Feb 9, 2000 | United Oil & Minerals, Inc. | Lasater, Garland #1 | 9,800 | 04731888 |
| 491940Amendment | Feb 9, 2000 | Feb 9, 2000 | United Oil & Minerals, Inc. | Lasater, Garland #1 | 9,800 | 04731888 |
| 491549 | Jan 28, 2000 | Jan 28, 2000 | Acock Engineering & Assoc., Inc. | State Marshall #46 | 7,500 | 04731887 |
| 491481 | Jan 27, 2000 | Jan 27, 2000 | Coastal Oil & Gas Corporation | Cage Ranch #2801 | 13,500 | 04731886 |
| 491481Amendment | Jan 27, 2000 | Jan 27, 2000 | Coastal Oil & Gas Corporation | Cage Ranch #2801 | 13,500 | 04731886 |
| 491481Amendment | Jan 27, 2000 | Jan 27, 2000 | Coastal Oil & Gas Corporation | Cage Ranch #2801 | 10,430 | 04731886 |
| 491414 | Jan 25, 2000 | Jan 25, 2000 | Republic Resources, LLC, | Vickers #2 | 8,000 | 04731881 |
| 491413 | Jan 25, 2000 | Jan 25, 2000 | Cody Energy LLC | Lisandro Longoria et al Gas Unit #12 | 11,000 | 04731882 |
| 491413Amendment | Jan 25, 2000 | Jan 25, 2000 | Cody Energy LLC | Lisandro Longoria et al Gas Unit #12 | 12,500 | 04731882 |
| 491412 | Jan 25, 2000 | Jan 25, 2000 | Cody Energy LLC | Lisandro Longoria et al Gas Unit #15 | 11,000 | 04731883 |
| 490972 | Jan 11, 2000 | Jan 11, 2000 | CB Energy, LLC | Shell-Santa FE Ranch "7" #7 | 3,400 | 04731880 |
| 490896 | Jan 7, 2000 | Jan 7, 2000 | Range Production Company | Garcia 5 #3 | 7,500 | 04731879 |
| 490895 | Jan 7, 2000 | Jan 7, 2000 | Range Production Company | Garcia 1 #47 | 7,500 | 04731878 |
| 490490 | Dec 20, 1999 | Dec 20, 1999 | Coastal Oil & Gas Corporation | Cage Ranch #6481 | 11,500 | 04731877 |
| 490490Amendment | Dec 20, 1999 | Dec 20, 1999 | Coastal Oil & Gas Corporation | Cage Ranch #6481 | 12,500 | 04731877 |
| 490171 | Dec 9, 1999 | Dec 9, 1999 | Brigham Oil & Gas, L.P. | Dickson #1 | 4,800 | 04731876 |
| 490009 | Dec 3, 1999 | Dec 3, 1999 | Coastal Oil & Gas Corporation | Cage Ranch #7097 | 11,500 | 04731875 |
| 490009Amendment | Dec 3, 1999 | Dec 3, 1999 | Coastal Oil & Gas Corporation | Cage Ranch #7097 | 11,500 | 04731875 |
| 490009Amendment | Dec 3, 1999 | Dec 3, 1999 | Coastal Oil & Gas Corporation | Cage Ranch #7097 | 11,500 | 04731875 |
| 489572 | Nov 16, 1999 | Nov 16, 1999 | CB Energy, LLC | Shell-Santa FE Ranch 6 #6 | 7,500 | 04731874 |
| 488102 | Oct 6, 1999 | Oct 6, 1999 | Headington Oil Company, L.P. | La Rucia Ranch #12 | 11,000 | 04731873 |
| 488064 | Sep 29, 1999 | Sep 29, 1999 | Gaither Petroleum Corporation | Bennett, Mills Estate Fee #62 | 2,000 | 04731872 |
| 488064Amendment | Sep 29, 1999 | Sep 29, 1999 | Gaither Petroleum Corporation | Bennett, Mills Estate Fee #62 | 3,700 | 04731872 |
| 488063 | Sep 29, 1999 | Sep 29, 1999 | Gaither Petroleum Corporation | Bennett, Mills Estate Fee #61 | 4,800 | 04731871 |
| 487800 | Sep 21, 1999 | Sep 21, 1999 | Gaither Petroleum Corporation | Benett, Mills Estate Fee #61 | 5,000 | 04700399 |
| 487722 | Sep 20, 1999 | Sep 20, 1999 | Coastal Oil & Gas Corporation | Cage Ranch #7096 | 12,000 | 04731870 |
| 487404 | Sep 9, 1999 | Sep 9, 1999 | Mobil Producing TX. & N.M. Inc. | La Gloria Gas Unit #38 | 8,010 | 04700080 |
| 487281 | Sep 3, 1999 | Sep 3, 1999 | Mestena, Inc. | Mestena Oil & Gas Co. "1" #42 | 3,000 | 04701433 |
| 487068 | Sep 2, 1999 | Sep 2, 1999 | Exxon Corp. | Kleberg, R J Jr TR Viboras Pas. #144 | 9,500 | 04731868 |
| 487068Amendment | Sep 2, 1999 | Sep 2, 1999 | Exxon Corp. | Kleberg, R J Jr TR Viboras Pas. #144 | 9,500 | 04731868 |
| 487148 | Sep 1, 1999 | Sep 1, 1999 | Coastal Oil & Gas Corporation | Cage Ranch #7095 | 12,000 | 04731869 |
| 487148Amendment | Sep 1, 1999 | Sep 1, 1999 | Coastal Oil & Gas Corporation | Cage Ranch #7095 | 12,000 | 04731869 |
| 487148Amendment | Sep 1, 1999 | Sep 1, 1999 | Coastal Oil & Gas Corporation | Cage Ranch #7095 | 12,000 | 04731869 |
| 486767 | Aug 26, 1999 | Aug 26, 1999 | Exxon Corp. | Viboras Field Gas Unit #V128 | 9,229 | 04731456 |
| 486666 | Aug 16, 1999 | Aug 16, 1999 | Coastal Oil & Gas Corporation | Cage Ranch 725 #1 | 8,500 | 04731866 |
| 486665 | Aug 16, 1999 | Aug 16, 1999 | Coastal Oil & Gas Corporation | Cage Ranch 603 #5 | 8,500 | 04731867 |
| 486665Amendment | Aug 16, 1999 | Aug 16, 1999 | Coastal Oil & Gas Corporation | Cage Ranch 603 #5 | 8,500 | 04731867 |
| 486664 | Aug 16, 1999 | Aug 16, 1999 | Coastal Oil & Gas Corporation | Cage Ranch 603 #4 | 8,500 | 04731865 |
| 486629 | Aug 13, 1999 | Aug 13, 1999 | Coastal Oil & Gas Corporation | Cage Ranch 707-1 Gas Unit #4 | 8,500 | 04731864 |
| 486629Amendment | Aug 13, 1999 | Aug 13, 1999 | Coastal Oil & Gas Corporation | Cage Ranch 707-1 G U #4 | 8,500 | 04731864 |
| 486569 | Aug 11, 1999 | Aug 11, 1999 | Maguire Oil Company | Rupp #9 | 9,300 | 04731863 |
| 486569Amendment | Aug 11, 1999 | Aug 11, 1999 | Maguire Oil Company | Rupp #9 | 9,300 | 04731863 |
| 486569Amendment | Aug 11, 1999 | Aug 11, 1999 | Maguire Oil Company | Rupp #9 | 9,300 | 04731863 |
| 486448 | Aug 6, 1999 | Aug 6, 1999 | Coastal Oil & Gas Corporation | Cage Ranch 603-1 Gas Unit #3 | 8,500 | 04731862 |
| 486361 | Aug 3, 1999 | Aug 3, 1999 | Exxon Corp. | Kleberg, RJ Jr TR Viboras Past #68 | 8,085 | 04730599 |
| 486231 | Jul 30, 1999 | Jul 30, 1999 | Exxon Corp. | McGill Bros. #390 | 5,992 | 04701635 |
| 485507 | Jul 12, 1999 | Jul 12, 1999 | CB Energy, LLC | Shell-Santa FE Ranch 3 #3 | 3,800 | 04731857 |
| 485506 | Jul 9, 1999 | Jul 9, 1999 | CB Energy, LLC | Shell-Santa FE Ranch 1 #1 | 4,800 | 04731856 |
| 485684 | Jul 7, 1999 | Jul 7, 1999 | Brigham Oil & Gas, L.P. | Palmer State 348 #2 | 14,000 | 04731861 |
| 485636 | Jul 7, 1999 | Jul 7, 1999 | Exxon Corp. | Kelsey Unit #M379 | 4,779 | 04701602 |