| 557605Amendment | Feb 25, 2005 | Feb 25, 2005 | Swift Energy Operating, LLC | Thomas #1 | 15,000 | 48931110 |
| 557463 | Feb 10, 2005 | Feb 10, 2005 | Dewbre Petroleum Corporation | Stone-Magnolia #1 | 8,800 | 48931109 |
| 556858 | Jan 27, 2005 | Jan 27, 2005 | Kaler Energy Corp | Swanberg #1 | 15,000 | 48931108 |
| 556361 | Jan 20, 2005 | Jan 20, 2005 | Dominion Expl. & Prod., Inc. | Petru, V. A. #6 | 15,500 | 48931107 |
| 555356 | Dec 27, 2004 | Dec 27, 2004 | U.S. Enercorp, Ltd. | Salazar Unit #1 | 3,200 | 48931106 |
| 554961 | Dec 16, 2004 | Dec 16, 2004 | U.S. Enercorp, Ltd. | Roberts Unit #1 | 3,200 | 48931105 |
| 554388 | Dec 8, 2004 | Dec 8, 2004 | Exxon Mobil Corporation | Tordilla Field Gas Unit 1 #3 | 12,300 | 48930999 |
| 550047 | Nov 8, 2004 | Nov 8, 2004 | Citation Oil & Gas Corp. | Willamar Community E #9 | 6,513 | 48930991 |
| 551994 | Oct 6, 2004 | Oct 6, 2004 | Tucker Operating Co., Inc. | Yturria #4 | 9,400 | 48931104 |
| 551994Amendment | Oct 6, 2004 | Oct 6, 2004 | Tucker Operating Co., Inc. | Yturria #4 | 9,200 | 48931104 |
| 551736 | Sep 30, 2004 | Sep 30, 2004 | Dominion Expl. & Prod., Inc. | Petru, V. A. #5 | 16,000 | 48931103 |
| 551736Amendment | Sep 30, 2004 | Sep 30, 2004 | Dominion Expl. & Prod., Inc. | Petru, V. A. #5 | 16,000 | 48931103 |
| 551510 | Sep 24, 2004 | Sep 24, 2004 | Cody Energy LLC | Yturria, H. #4018 | 10,000 | 48931102 |
| 549497 | Aug 13, 2004 | Aug 13, 2004 | Exxon Mobil Corporation | Kleberg, R J Jr TR Stillman Past #142 | 13,000 | 48931101 |
| 549078 | Aug 3, 2004 | Aug 3, 2004 | Cody Energy LLC | Yturria, H. #4017 | 10,000 | 48931100 |
| 548843 | Jul 28, 2004 | Jul 28, 2004 | Suemaur Expl. & Prod., LLC | Seliger Trust #1 | 16,000 | 48931099 |
| 548843Amendment | Jul 28, 2004 | Jul 28, 2004 | Suemaur Expl. & Prod., LLC | Seliger Trust #1 | 18,000 | 48931099 |
| 548251 | Jul 15, 2004 | Jul 15, 2004 | Dominion Expl. & Prod., Inc. | Petru, V. A. #4 | 17,500 | 48931098 |
| 548184 | Jul 14, 2004 | Jul 14, 2004 | Dewbre Petroleum Corporation | Stone-Enterprise #1 | 8,700 | 48931097 |
| 547774 | Jul 2, 2004 | Jul 2, 2004 | Cody Energy LLC | Yturria, Frank D. #3029 | 10,000 | 48931096 |
| 547566 | Jun 30, 2004 | Jun 30, 2004 | Citation Oil & Gas Corp. | Raymond, L C #5 | 8,100 | 48930805 |
| 547565 | Jun 30, 2004 | Jun 30, 2004 | Citation Oil & Gas Corp. | Lozano, Antonio #10 | 8,100 | 48930886 |
| 547565Amendment | Jun 30, 2004 | Jun 30, 2004 | Citation Oil & Gas Corp. | Lozano, Antonio #10 | 8,100 | 48930886 |
| 547285 | Jun 22, 2004 | Jun 22, 2004 | Rincon Petroleum Corporation | Yturria, H #417 | 9,500 | 48931095 |
| 546872 | Jun 14, 2004 | Jun 14, 2004 | Gruy Petroleum Management Co. | Sauz Ranch Mulatos Pasture #31 | 7,956 | 48900194 |
| 545510 | May 13, 2004 | May 13, 2004 | Exxon Mobil Corporation | Kleberg, R J Jr TR Stillman Pas #50 | 12,000 | 48930859 |
| 544850 | Apr 26, 2004 | Apr 26, 2004 | Exxon Mobil Corporation | Kleberg, R J Jr TR Stillman Past #140 | 12,500 | 48931094 |
| 544213 | Apr 7, 2004 | Apr 7, 2004 | Rincon Petroleum Corporation | Yturria, H. #410 | 10,000 | 48931093 |
| 544155 | Apr 6, 2004 | Apr 6, 2004 | Cody Energy LLC | Yturria, H. #4016 | 10,500 | 48931092 |
| 544011 | Apr 2, 2004 | Apr 2, 2004 | Suemaur Expl. & Prod., LLC | Henderson, J.W. et al Gas Unit #3 | 16,000 | 48931091 |
| 541926 | Mar 30, 2004 | Mar 30, 2004 | Exxon Mobil Corporation | Kleberg, R J Jr TR Stillman Past #100 | 13,688 | 48930953 |
| 543422 | Mar 18, 2004 | Mar 18, 2004 | Cody Energy LLC | Yturria, Frank D. #3028 | 9,000 | 48931090 |
| 542849 | Mar 5, 2004 | Mar 5, 2004 | Cody Energy LLC | Yturria, H #4013 | 5,000 | 48931089 |
| 542628 | Mar 1, 2004 | Mar 1, 2004 | Poff, H. Bryan | Johnson #1 | 7,500 | 48931088 |
| 542609 | Feb 27, 2004 | Feb 27, 2004 | Cody Energy LLC | Yturria, H. #4012 | 6,500 | 48931087 |
| 542552 | Feb 26, 2004 | Feb 26, 2004 | Dominion Expl. & Prod., Inc. | Petru, V. A. #3 | 16,000 | 48931086 |
| 542506 | Feb 25, 2004 | Feb 25, 2004 | Cody Energy LLC | Yturria, H. #4014 | 9,000 | 48931085 |
| 542342 | Feb 23, 2004 | Feb 23, 2004 | Cody Energy LLC | Yturria, H. #401 | 15,058 | 48931032 |
| 542132 | Feb 17, 2004 | Feb 17, 2004 | Cody Energy LLC | Yturria, H. #3027 | 9,500 | 48931084 |
| 542132Amendment | Feb 17, 2004 | Feb 17, 2004 | Cody Energy LLC | Yturria, Frank D. #3027 | 9,500 | 48931084 |
| 542047 | Feb 13, 2004 | Feb 13, 2004 | Swift Energy Company | Vaughan #2 | 15,000 | 48931083 |
| 541756 | Feb 5, 2004 | Feb 5, 2004 | Zinke & Trumbo, Inc. | Yturria, Fausto #2 | 13,000 | 48931082 |
| 541755 | Feb 5, 2004 | Feb 5, 2004 | Zinke & Trumbo, Inc. | Yturria, Fausto #1 | 13,000 | 48931081 |
| 541755Amendment | Feb 5, 2004 | Feb 5, 2004 | Tucker Operating Co., Inc. | Yturria, Fausto #1 | 12,000 | 48931081 |
| 541170 | Jan 23, 2004 | Jan 23, 2004 | Cody Energy LLC | Yturria, H. #409 | 11,200 | 48931080 |
| 541111 | Jan 22, 2004 | Jan 22, 2004 | Cody Energy LLC | Yturria, H. #408 | 9,500 | 48931079 |
| 540768 | Jan 14, 2004 | Jan 14, 2004 | Cody Energy LLC | Yturria, H. #407 | 10,500 | 48931077 |
| 540768Amendment | Jan 14, 2004 | Jan 14, 2004 | Cody Energy LLC | Yturria, H. #407 | 10,500 | 48931077 |
| 540385 | Jan 6, 2004 | Jan 6, 2004 | Kaler Energy Corp. | Kendricks #1 | 9,500 | 48931076 |
| 539679 | Dec 15, 2003 | Dec 15, 2003 | Dominion Expl. & Prod., Inc. | Petru, V. A. #2 | 17,000 | 48931075 |
| 539129 | Dec 11, 2003 | Dec 11, 2003 | Citation Oil & Gas Corp. | Garcia, Teodoro #7 | 8,150 | 48930800 |
| 539126 | Dec 11, 2003 | Dec 11, 2003 | Citation Oil & Gas Corp. | Cavazos, J C #6 | 8,150 | 48930815 |
| 539126Amendment | Dec 11, 2003 | Dec 11, 2003 | Citation Oil & Gas Corp. | Cavazos, J C #6 | 8,100 | 48930815 |
| 539128 | Dec 4, 2003 | Dec 4, 2003 | Citation Oil & Gas Corp. | Bucy #8 | 8,100 | 48930794 |
| 539128Amendment | Dec 4, 2003 | Dec 4, 2003 | Citation Oil & Gas Corp. | Bucy #8 | 8,100 | 48930794 |
| 539127 | Dec 4, 2003 | Dec 4, 2003 | Citation Oil & Gas Corp. | Rodriquez, M. G. #9 | 8,053 | 48930810 |
| 538806 | Nov 19, 2003 | Nov 19, 2003 | Cody Energy LLC | Yturria, Frank D. #3026 | 10,430 | 48931074 |
| 537353 | Oct 13, 2003 | Oct 13, 2003 | Rimco Production Company, Inc. | Pinnell, H. P. et Al #1 | 5,200 | 48931073 |
| 537370 | Oct 9, 2003 | Oct 9, 2003 | Cody Energy LLC | Yturria, H. #406 | 10,200 | 48931072 |
| 536945 | Sep 29, 2003 | Sep 29, 2003 | Citation Oil & Gas Corp. | Bucy #6 | 5,200 | 48931060 |
| 536370 | Sep 12, 2003 | Sep 12, 2003 | U.S. Enercorp, LLC | Kenaf Industries Unit #5 | 3,000 | 48931071 |
| 536084 | Sep 8, 2003 | Sep 8, 2003 | Exxon Mobil Corporation | Kleberg, R J Jr. Tr. Stillman #112 | 12,905 | 48930992 |
| 535902 | Sep 5, 2003 | Sep 5, 2003 | U.S. Enercorp, LLC | Kenaf Industries Unit #4 | 3,000 | 48931070 |
| 535421 | Aug 18, 2003 | Aug 18, 2003 | Dominion Expl. & Prod., Inc. | Petru, V. A. #1 | 17,000 | 48931069 |
| 535099 | Aug 13, 2003 | Aug 13, 2003 | Wagner Oil Company | Clarence O'Berg Gas Unit A #1 | 10,213 | 48900521 |
| 534964 | Aug 6, 2003 | Aug 6, 2003 | El Paso Production Oil & Gas Co. | Frank D. Yturria #4 | 13,200 | 48931068 |
| 534964Amendment | Aug 6, 2003 | Aug 6, 2003 | El Paso Production Oil & Gas Co. | Yturria, Frank D. #4 | 14,000 | 48931068 |
| 534959 | Aug 4, 2003 | Aug 4, 2003 | Cody Energy LLC | Yturria, Frank D. #325 | 9,950 | 48931067 |
| 533600 | Jul 2, 2003 | Jul 2, 2003 | Hughes, Dan A. Company | Pinnell, HP "C" #5 | 8,000 | 48931066 |
| 533480 | Jun 24, 2003 | Jun 24, 2003 | Swift Energy Company | MGB Ranch #1 | 14,500 | 48931065 |
| 533243 | Jun 18, 2003 | Jun 18, 2003 | Exxon Mobil Corporation | Thomas, M G #3 | 12,301 | 48930998 |
| 531793 | May 9, 2003 | May 9, 2003 | EOG Resources, Inc. | Sauz Ranch #1 | 8,800 | 48931064 |
| 531425 | May 2, 2003 | May 2, 2003 | Exxon Mobil Corporation | Kleberg, R. J. Jr. Tr. Stillman #95 | 9,100 | 48930952 |
| 530555 | Apr 10, 2003 | Apr 10, 2003 | EOG Resources, Inc. | San Perlita Gas Unit #1 | 9,300 | 48931063 |
| 530470 | Apr 9, 2003 | Apr 9, 2003 | Exxon Mobil Corporation | Kleberg, R. J. Jr. Tr. Stillman #93F | 9,754 | 48930948 |
| 529807 | Apr 2, 2003 | Apr 2, 2003 | Citation Oil & Gas Corp. | Bucy #7 | 4,900 | 48930811 |
| 529405 | Mar 17, 2003 | Mar 17, 2003 | Modern Exploration, Inc. | Burns #1 | 10,600 | 48931062 |
| 528917 | Feb 28, 2003 | Feb 28, 2003 | U.S. Enercorp, LLC | Kenaf Industries #3 | 3,000 | 48931061 |
| 528635 | Feb 21, 2003 | Feb 21, 2003 | Citation Oil & Gas Corp. | Bucy #6 | 5,200 | 48931060 |
| 528353 | Feb 19, 2003 | Feb 19, 2003 | Hughes, Dan A. Company | Pinnell, H P "C" #4 | 9,500 | 48931059 |
| 528186 | Feb 17, 2003 | Feb 17, 2003 | Cody Energy LLC | Yturria, H. #405 | 15,000 | 48931057 |
| 528186Amendment | Feb 17, 2003 | Feb 17, 2003 | Cody Energy LLC | Yturria, H. #405 | 15,000 | 48931057 |
| 528455 | Feb 13, 2003 | Feb 13, 2003 | Apache Corporation | Geis, Harvey #4 | 9,917 | 48920019 |
| 528254 | Feb 7, 2003 | Feb 7, 2003 | El Paso Production Oil & Gas Co. | Yturria, Frank D. #3 | 16,200 | 48931058 |
| 528254Amendment | Feb 7, 2003 | Feb 7, 2003 | El Paso Production Oil & Gas Co. | Yturria, Frank D. #3 | 16,200 | 48931058 |
| 528067 | Feb 6, 2003 | Feb 6, 2003 | Citation Oil & Gas Corp. | Garcia, Theodoro G #3 | 8,042 | 48900317 |
| 527641 | Jan 23, 2003 | Jan 23, 2003 | Citation Oil & Gas Corp. | Raymond, Lenora C. #4 | 4,859 | 48930884 |
| 526864 | Jan 2, 2003 | Jan 2, 2003 | Cody Energy LLC | Yturria, Frank D. #3024 | 5,500 | 48931056 |
| 526072 | Dec 4, 2002 | Dec 4, 2002 | Swift Energy Company | Vaughan #1 | 13,180 | 48931033 |
| 526072Amendment | Dec 4, 2002 | Dec 4, 2002 | Zinke & Trumbo, Inc. | Vaughan #1 | 16,400 | 48931033 |
| 525274 | Nov 6, 2002 | Nov 6, 2002 | El Paso Production Oil & Gas Co. | Frank D. Yturria #1 | 13,050 | 48931029 |
| 524843 | Oct 24, 2002 | Oct 24, 2002 | Anschutz Exploration Corporation | Yturria, Frank D. #1 | 16,000 | 48931029 |
| 524594 | Oct 15, 2002 | Oct 15, 2002 | Dewbre Petroleum Corporation | Stone Gas Unit 'E' #1 | 3,500 | 48931055 |
| 524581 | Oct 14, 2002 | Oct 14, 2002 | Hughes, Dan A. Company | Pinnell, H. P. "C" #3 | 8,000 | 48931054 |
| 524054 | Sep 25, 2002 | Sep 25, 2002 | Cody Energy LLC | Yturria, Frank D. #3023 | 5,000 | 48931053 |
| 523458 | Sep 6, 2002 | Sep 6, 2002 | Dominion Expl. & Prod., Inc. | Studebaker, James R. #1 | 17,000 | 48931052 |
| 522570 | Aug 12, 2002 | Aug 12, 2002 | Citation Oil & Gas Corp. | Willamar Community "E" #6 | 6,810 | 48930617 |
| 522103 | Jul 26, 2002 | Jul 26, 2002 | Exxon Mobil Corporation | Kleberg, R. J. Jr. Tr. Stillman #112 | 12,905 | 48930992 |
| 522103Amendment | Jul 26, 2002 | Jul 26, 2002 | Exxon Mobil Corporation | Kleberg, R. J. Jr. Tr. Stillman #112 | 12,905 | 48930992 |
| 521507 | Jul 3, 2002 | Jul 3, 2002 | Citation Oil & Gas Corp. | Willamar West Unit #233 | 7,764 | 48900283 |