| 523088 | Aug 23, 2002 | Aug 23, 2002 | Kerns O & G, Inc. | Petty Ranch #1108 | 5,900 | 47938196 |
| 523041 | Aug 22, 2002 | Aug 22, 2002 | BP America Production Company | Stroman-Armstrong #3 | 14,700 | 47938085 |
| 522931 | Aug 20, 2002 | Aug 20, 2002 | Conoco Inc. | B.M.T. #174 | 10,800 | 47938195 |
| 522930 | Aug 20, 2002 | Aug 20, 2002 | Conoco Inc. | Frost National Bank #85 | 10,200 | 47938194 |
| 522869 | Aug 19, 2002 | Aug 19, 2002 | Crimson Energy Company, LC | Briscoe "E" #133 | 6,500 | 47938192 |
| 522792 | Aug 15, 2002 | Aug 15, 2002 | United Oil & Minerals L. P. | Barrera-Leyendecker #103 | 8,900 | 47938188 |
| 522679 | Aug 12, 2002 | Aug 12, 2002 | Crimson Energy Company, LC | Briscoe "A" #730 | 5,516 | 47932095 |
| 522679Amendment | Aug 12, 2002 | Aug 12, 2002 | Crimson Energy Company, LC | Briscoe "A" #730 | 5,516 | 47932095 |
| 522648 | Aug 9, 2002 | Aug 9, 2002 | Houston Exploration Company, The | Hubberd, William "B2" #58 | 8,950 | 47938187 |
| 522547 | Aug 7, 2002 | Aug 7, 2002 | Conoco Inc. | B.M.T. C #2 | 10,100 | 47938186 |
| 522576 | Aug 6, 2002 | Aug 6, 2002 | Calpine Natural Gas L.P. | McKendrick #1 | 10,000 | 47938185 |
| 522576Amendment | Aug 6, 2002 | Aug 6, 2002 | Calpine Natural Gas L.P. | Chevron-McKendrick #1 | 10,000 | 47938185 |
| 522576Amendment | Aug 6, 2002 | Aug 6, 2002 | Calpine Natural Gas L.P. | McKendrick, W. H. Jr. #1 | 10,000 | 47938185 |
| 522493 | Aug 5, 2002 | Aug 5, 2002 | Conoco Inc. | Vaquillas Ranch State F #204 | 9,850 | 47938184 |
| 522492 | Aug 5, 2002 | Aug 5, 2002 | North Central Oil Corp. | Bruni Mineral Trust "C" #1 | 9,100 | 47938183 |
| 522491 | Aug 5, 2002 | Aug 5, 2002 | North Central Oil Corp. | Webb County School Board #15 | 8,600 | 47938182 |
| 522365 | Aug 5, 2002 | Aug 5, 2002 | Killam Oil Co., Ltd. | Vaquillas-Borrego #7 | 10,000 | 47938178 |
| 522473 | Aug 2, 2002 | Aug 2, 2002 | Lewis Petro Properties, Inc. | Gates 2182 "N" 13A #32 | 2,750 | 47938181 |
| 522473Amendment | Aug 2, 2002 | Aug 2, 2002 | Lewis Petro Properties, Inc. | Gates 2182 "N" 13A #32 | 2,750 | 47938181 |
| 522472 | Aug 2, 2002 | Aug 2, 2002 | Lewis Petro Properties, Inc. | Gates 2182 "N" 13A #31 | 2,750 | 47938180 |
| 522469 | Aug 2, 2002 | Aug 2, 2002 | Conoco Inc. | Frost Trust 11 #2 | 12,000 | 47938179 |
| 522469Amendment | Aug 2, 2002 | Aug 2, 2002 | Conoco Inc. | Frost Trust 11 #2 | 12,200 | 47938179 |
| 522338 | Aug 1, 2002 | Aug 1, 2002 | Killam Oil Co., Ltd. | Vaquillas-Borrego #10 | 10,100 | 47938177 |
| 522370 | Jul 31, 2002 | Jul 31, 2002 | EOG Resources, Inc. | Slator Ranch "G" #1 | 10,809 | 47937374 |
| 522324 | Jul 31, 2002 | Jul 31, 2002 | Crimson Energy Company, LC | Briscoe "K" State "A" #2 | 6,500 | 47938170 |
| 522325 | Jul 30, 2002 | Jul 30, 2002 | Kerns O & G, Inc. | Brask State 1840 #1 | 5,700 | 47938176 |
| 522314 | Jul 30, 2002 | Jul 30, 2002 | Kerns O & G, Inc. | Gates Ranch #M 2 | 5,779 | 47934245 |
| 522272 | Jul 29, 2002 | Jul 29, 2002 | Conoco Inc. | Vaquilllas Ranch A3 #203 | 9,600 | 47938175 |
| 522012 | Jul 29, 2002 | Jul 29, 2002 | Crimson Energy Company, LC | Briscoe "K" State #1 | 6,500 | 47938169 |
| 522235 | Jul 26, 2002 | Jul 26, 2002 | Lewis Petro Properties, Inc. | Gates 2182 "N" #296 | 2,700 | 47938174 |
| 522173 | Jul 25, 2002 | Jul 25, 2002 | EOG Resources, Inc. | Billings "AB" GU #1 | 11,900 | 47938173 |
| 522173Amendment | Jul 25, 2002 | Jul 25, 2002 | EOG Resources, Inc. | Billings "AB" GU #1 | 11,900 | 47938173 |
| 522164 | Jul 24, 2002 | Jul 24, 2002 | Conoco Inc. | Ignacio Vergara #8 | 11,400 | 47938172 |
| 522013 | Jul 24, 2002 | Jul 24, 2002 | Crimson Energy Company, LC | Briscoe "K" State #2 | 6,500 | 47938170 |
| 522125 | Jul 23, 2002 | Jul 23, 2002 | Conoco Inc. | Lundell E #2 | 15,722 | 47937751 |
| 522043 | Jul 22, 2002 | Jul 22, 2002 | Houston Exploration Company, The | Hubberd, William "A2" #57 | 9,400 | 47938171 |
| 522043Amendment | Jul 22, 2002 | Jul 22, 2002 | Houston Exploration Company, The | Hubberd, William "A2" #57ST | 9,000 | 47938171 |
| 521272 | Jul 19, 2002 | Jul 19, 2002 | Conoco Inc. | Vergara Rayzor GU #12 | 10,700 | 47938147 |
| 521972 | Jul 18, 2002 | Jul 18, 2002 | Crimson Energy Company, LC | Briscoe "J" #3 | 6,500 | 47938168 |
| 521931 | Jul 18, 2002 | Jul 18, 2002 | Lewis Petro Properties, Inc. | Puig, L. F. #17 | 6,400 | 47938166 |
| 521930 | Jul 18, 2002 | Jul 18, 2002 | Lewis Petro Properties, Inc. | Puig, L. F. #26 | 6,400 | 47938167 |
| 521816 | Jul 18, 2002 | Jul 18, 2002 | Killam Oil Co., Ltd. | Vaquillas-Borrego #6 | 10,000 | 47938163 |
| 521879 | Jul 16, 2002 | Jul 16, 2002 | Lewis Petro Properties, Inc. | Gates 2182 "N" 14A #24 | 6,000 | 47938164 |
| 521878 | Jul 16, 2002 | Jul 16, 2002 | Lewis Petro Properties, Inc. | Puig, L. F. #15 | 6,400 | 47938165 |
| 521756 | Jul 10, 2002 | Jul 10, 2002 | Conoco Inc. | Ignacio Vergara #9 | 11,400 | 47938162 |
| 521756Amendment | Jul 10, 2002 | Jul 10, 2002 | Conoco Inc. | Vergara, Ignacio #9 | 11,400 | 47938162 |
| 521753 | Jul 10, 2002 | Jul 10, 2002 | Calpine Natural Gas L.P. | Gill, F. J. #18 | 11,000 | 47938161 |
| 521719 | Jul 10, 2002 | Jul 10, 2002 | North Central Oil Corp. | Hereford, L. M. #52 | 8,900 | 47938160 |
| 521701 | Jul 9, 2002 | Jul 9, 2002 | Kerns O & G, Inc. | Brask State 1846 #3 | 5,700 | 47938159 |
| 521674 | Jul 8, 2002 | Jul 8, 2002 | Conoco Inc. | Huisache Cattle Co. #5 | 11,520 | 47938158 |
| 521674Amendment | Jul 8, 2002 | Jul 8, 2002 | Conoco Inc. | Huisache Cattle Co. #5 | 11,520 | 47938158 |
| 521657 | Jul 8, 2002 | Jul 8, 2002 | EOG Resources, Inc. | Union Ranch State GU #1 | 12,050 | 47938157 |
| 521657Amendment | Jul 8, 2002 | Jul 8, 2002 | EOG Resources, Inc. | Union Ranch State GU #1 | 13,000 | 47938157 |
| 521608 | Jul 8, 2002 | Jul 8, 2002 | Houston Exploration Company, The | Alexander, Charles #34 | 9,150 | 47938155 |
| 521607 | Jul 8, 2002 | Jul 8, 2002 | Houston Exploration Company, The | Alexander, Charles #37 | 9,150 | 47938156 |
| 521589 | Jul 5, 2002 | Jul 5, 2002 | Houston Exploration Company, The | Hubberd, William "B" #5602 | 9,200 | 47938154 |
| 521479 | Jul 1, 2002 | Jul 1, 2002 | Conoco Inc. | Benavides, Rosa V.B. #70 | 9,150 | 47936748 |
| 521455 | Jul 1, 2002 | Jul 1, 2002 | Houston Exploration Company, The | Alexander, Charles #36 | 9,400 | 47938153 |
| 521454 | Jul 1, 2002 | Jul 1, 2002 | Houston Exploration Company, The | Alexander, Charles #33 | 9,400 | 47938152 |
| 521453 | Jul 1, 2002 | Jul 1, 2002 | Houston Exploration Company, The | Alexander, Charles #35 | 9,500 | 47938151 |
| 521453Amendment | Jul 1, 2002 | Jul 1, 2002 | Houston Exploration Company, The | Alexander, Charles #35 | 8,935 | 47938151 |
| 521396 | Jun 26, 2002 | Jun 26, 2002 | Calpine Natural Gas L.P. | Mayers #14 | 10,800 | 47938150 |
| 521396Amendment | Jun 26, 2002 | Jun 26, 2002 | Calpine Natural Gas L.P. | Mayers #14 | 10,800 | 47938150 |
| 521370 | Jun 26, 2002 | Jun 26, 2002 | Kerns O & G, Inc. | Brask Ranch #7 | 5,900 | 47938149 |
| 521274 | Jun 21, 2002 | Jun 21, 2002 | Conoco Inc. | Hirsch Estate 1772 #10 | 9,050 | 47938148 |
| 521260 | Jun 21, 2002 | Jun 21, 2002 | Conoco Inc. | Frost National Bank #84 | 10,120 | 47938146 |
| 521242 | Jun 21, 2002 | Jun 21, 2002 | Conoco Inc. | Culpepper, A.B. 991 #1 | 8,700 | 47938145 |
| 521168 | Jun 21, 2002 | Jun 21, 2002 | Edge Petroleum Oper. Co., Inc. | Lundell Ranch #13 | 10,900 | 47938142 |
| 521225 | Jun 20, 2002 | Jun 20, 2002 | EOG Resources, Inc. | Moreno #1 | 12,000 | 47938144 |
| 521204 | Jun 20, 2002 | Jun 20, 2002 | Houston Exploration Company, The | Hubberd "C-1" #55 | 9,400 | 47938143 |
| 521125 | Jun 18, 2002 | Jun 18, 2002 | EOG Resources, Inc. | BMT/K&H "I" #1 | 11,500 | 47938141 |
| 521032 | Jun 14, 2002 | Jun 14, 2002 | Conoco Inc. | Vaquillas Ranch State F #201 | 9,900 | 47938140 |
| 520930 | Jun 14, 2002 | Jun 14, 2002 | Conoco Inc. | Vaquillas Ranch Co. Ltd #68 | 10,500 | 47938138 |
| 520938 | Jun 13, 2002 | Jun 13, 2002 | Lewis Petro Properties, Inc. | Booth, W. V., Jr. 'U' #2B | 10,000 | 47935713 |
| 520938Amendment | Jun 13, 2002 | Jun 13, 2002 | Lewis Petro Properties, Inc. | Booth, W. V., Jr. 'U' #2BH | 10,000 | 47935713 |
| 520932 | Jun 13, 2002 | Jun 13, 2002 | Conoco Inc. | B.M.T. B #4 | 11,700 | 47938139 |
| 520932Amendment | Jun 13, 2002 | Jun 13, 2002 | Conoco Inc. | B.M.T. B #4 | 11,700 | 47938139 |
| 520756 | Jun 13, 2002 | Jun 13, 2002 | Crimson Energy Company, LC | Briscoe "E" #131 | 6,200 | 47938136 |
| 520795 | Jun 12, 2002 | Jun 12, 2002 | Sklar Exploration Company LLC | Bruni #1 | 7,100 | 47938137 |
| 520795Amendment | Jun 12, 2002 | Jun 12, 2002 | Sklar Exploration Company LLC | Bruni #1 | 7,000 | 47938137 |
| 520790 | Jun 7, 2002 | Jun 7, 2002 | Lewis Petro Properties, Inc. | Gates Ranch #130 | 5,800 | 47932032 |
| 520788 | Jun 7, 2002 | Jun 7, 2002 | Lewis Petro Properties, Inc. | Gates Ranch #131 | 5,800 | 47932047 |
| 520730 | Jun 6, 2002 | Jun 6, 2002 | Lewis Petro Properties, Inc. | Gates 2182 "N" 13A #23 | 5,800 | 47938135 |
| 520698 | Jun 6, 2002 | Jun 6, 2002 | Lewis Petro Properties, Inc. | Johnson 2292 "H" #1 | 10,000 | 47938134 |
| 520697 | Jun 6, 2002 | Jun 6, 2002 | Lewis Petro Properties, Inc. | Palafox Galan -H- #2H | 10,000 | 47938133 |
| 520697Amendment | Jun 6, 2002 | Jun 6, 2002 | Lewis Petro Properties, Inc. | Palafox -H- #2H | 10,000 | 47938133 |
| 520694 | Jun 6, 2002 | Jun 6, 2002 | Crimson Energy Company, LC | Briscoe "E" #132 | 6,200 | 47938132 |
| 520694Amendment | Jun 6, 2002 | Jun 6, 2002 | Crimson Energy Company, LC | Briscoe "E" #132 | 6,200 | 47938132 |
| 520661 | Jun 6, 2002 | Jun 6, 2002 | Kerns O & G, Inc. | Gates Ranch "Y" #1012 | 5,800 | 47938131 |
| 520661Amendment | Jun 6, 2002 | Jun 6, 2002 | Kerns O & G, Inc. | Gates Ranch "Y" #1012 | 5,800 | 47938131 |
| 520639 | Jun 4, 2002 | Jun 4, 2002 | Conoco Inc. | Hein Trust #15 | 12,100 | 47938130 |
| 520556 | May 31, 2002 | May 31, 2002 | Lewis Petro Properties, Inc. | Jones, Ella B. "B" #1 | 7,400 | 47930816 |
| 520452 | May 29, 2002 | May 29, 2002 | Houston Exploration Company, The | Mashi-640 #1 | 14,500 | 47938127 |
| 520451 | May 29, 2002 | May 29, 2002 | Houston Exploration Company, The | Hubberd "C3" #53 | 9,600 | 47938126 |
| 520450 | May 29, 2002 | May 29, 2002 | Houston Exploration Company, The | Hubberd "B2" #54 | 9,200 | 47938125 |
| 519073 | May 29, 2002 | May 29, 2002 | Duke Energy Intrast. Network LLC | South 8" Laredo Lopeno #51 #51 | 240 | 47938123 |
| 520431 | May 28, 2002 | May 28, 2002 | Thorp Petroleum Corporation | Villarreal #1 | 13,000 | 47938124 |
| 520431Amendment | May 28, 2002 | May 28, 2002 | Thorp Petroleum Corporation | Villarreal #1 | 13,000 | 47938124 |
| 520431Amendment | May 28, 2002 | May 28, 2002 | Thorp Petroleum Corporation | Villarreal #1 | 13,000 | 47938124 |
| 520365 | May 28, 2002 | May 28, 2002 | Lewis Petro Properties, Inc. | Webb County School Land #1 | 7,194 | 47930502 |