| 605352Amendment | Aug 23, 2005 | Aug 23, 2005 | Erskine Energy, LLC | Sullivan #16 | 13,500 | 04732230 |
| 605352Amendment | Aug 23, 2005 | Aug 23, 2005 | Erskine Energy, LLC | Sullivan #16 | 12,100 | 04732230 |
| 605336 | Aug 23, 2005 | Aug 23, 2005 | Newfield Exploration Company | La Rucia Ranch #27 | 14,000 | 04732229 |
| 604753 | Aug 11, 2005 | Aug 11, 2005 | Chevron U. S. A. Inc. | Lopez, G.G. #31 | 10,564 | 04732227 |
| 604519 | Aug 8, 2005 | Aug 8, 2005 | Newfield Exploration Company | Blackstone Minerals #1 | 12,000 | 04732226 |
| 604446 | Aug 4, 2005 | Aug 4, 2005 | Westport Oil and Gas Company, LP | Cage Ranch #20 | 9,279 | 04732131 |
| 603536 | Jul 18, 2005 | Jul 18, 2005 | Chevron U. S. A. Inc. | Lopez, G. G. #8 | 11,000 | 04731851 |
| 603488 | Jul 18, 2005 | Jul 18, 2005 | Erskine Energy, LLC | Sullivan #15 | 12,500 | 04732225 |
| 603488Amendment | Jul 18, 2005 | Jul 18, 2005 | Erskine Energy, LLC | Sullivan #15 | 12,104 | 04732225 |
| 603111 | Jul 8, 2005 | Jul 8, 2005 | Chevron U. S. A. Inc. | McGill Bros. NCT-1 #81 | 10,200 | 04731745 |
| 602914 | Jul 1, 2005 | Jul 1, 2005 | United Resources LP | Indian Paintbrush #1 | 6,500 | 04732224 |
| 602895 | Jul 1, 2005 | Jul 1, 2005 | United Resources LP | Prairie Brome #1 | 6,500 | 04732223 |
| 602474 | Jun 23, 2005 | Jun 23, 2005 | Ballard Exploration Company,inc. | Bennett, Betsy "E" #1 | 7,100 | 04732221 |
| 602206 | Jun 17, 2005 | Jun 17, 2005 | Loudon Operating Company, L.L.C. | Garcia #1 | 11,000 | 04732220 |
| 602158 | Jun 16, 2005 | Jun 16, 2005 | Bepco Operating Co. | El Coyote Ranch #1 | 14,500 | 04732218 |
| 602156 | Jun 16, 2005 | Jun 16, 2005 | Exxon Mobil Corporation | Santa FE Ranch 'B' #211 | 8,000 | 04732219 |
| 602123 | Jun 16, 2005 | Jun 16, 2005 | Exxon Mobil Corporation | R J Kleberg Jr TR, Quiteria Past #88 | 8,753 | 04730657 |
| 602069 | Jun 15, 2005 | Jun 15, 2005 | Mobil Producing TX. & N.M. Inc. | La Gloria Gas Unit #38 | 7,902 | 04700080 |
| 601982 | Jun 13, 2005 | Jun 13, 2005 | Westport Oil and Gas Company, LP | Garcia-Benavides Gas Unit 1 #2 | 12,000 | 04731833 |
| 601922 | Jun 10, 2005 | Jun 10, 2005 | Ballard Exploration Company,inc. | Betsy Bennett 'D' #3 | 7,200 | 04732217 |
| 601810 | Jun 9, 2005 | Jun 9, 2005 | United Resources LP | Bottlebrush Grass #1 | 6,500 | 04732216 |
| 601205 | May 25, 2005 | May 25, 2005 | Exxon Mobil Corporation | Kleberg, RJ Jrtr Viboras Pasture #135 | 7,100 | 04731522 |
| 551611Amendment | May 24, 2005 | May 24, 2005 | Exxon Mobil Corporation | State Marshall #57H | 7,100 | 04732162 |
| 600767 | May 17, 2005 | May 17, 2005 | Ballard Exploration Company,inc. | Betsy Bennett "D" #2 | 7,000 | 04732215 |
| 600715 | May 17, 2005 | May 17, 2005 | Erskine Energy, LLC | Sullivan "H" #2 | 12,500 | 04732214 |
| 600627 | May 13, 2005 | May 13, 2005 | Whittier Operating Inc | Scott & Hopper #1 | 11,067 | 04730298 |
| 600627Amendment | May 13, 2005 | May 13, 2005 | Whittier Operating Inc | Scott & Hopper #1 | 11,067 | 04730298 |
| 600474 | May 10, 2005 | May 10, 2005 | Exxon Mobil Corporation | Dawson, J. H.- State #7 | 9,500 | 04732213 |
| 600397 | May 9, 2005 | May 9, 2005 | Chevron U. S. A. Inc. | Lopez, G.G. #20 | 13,400 | 04732212 |
| 600137 | May 5, 2005 | May 5, 2005 | Exxon Mobil Corporation | Mc Gill Bros. #573 | 7,700 | 04732209 |
| 600189 | May 4, 2005 | May 4, 2005 | Loudon Operating Company, L.L.C. | Mangel Gas Unit #2 | 11,000 | 04732211 |
| 600024 | May 2, 2005 | May 2, 2005 | Mestena Operating, Ltd. | Mestena Oil & Gas Co. "1" #69 | 2,000 | 04732207 |
| 600022 | May 2, 2005 | May 2, 2005 | Mestena Operating, Ltd. | Chapote #1 | 2,000 | 04732208 |
| 559861 | May 2, 2005 | May 2, 2005 | Brigham Oil & Gas, L.P. | Dawson State #2 | 13,500 | 04732202 |
| 560887 | Apr 21, 2005 | Apr 21, 2005 | Chevron U. S. A. Inc. | Lopez, G.G. #21 | 13,400 | 04732206 |
| 559861Amendment | Apr 20, 2005 | Apr 20, 2005 | Brigham Oil & Gas, L.P. | Dawson State #2 | 16,000 | 04732202 |
| 559861Amendment | Apr 20, 2005 | Apr 20, 2005 | Brigham Oil & Gas, L.P. | Dawson State #2 | 11,800 | 04732202 |
| 560589 | Apr 15, 2005 | Apr 15, 2005 | Newfield Exploration Company | La Rucia Ranch #26 | 14,000 | 04732205 |
| 560589Amendment | Apr 15, 2005 | Apr 15, 2005 | Newfield Exploration Company | La Rucia Ranch #26 | 14,000 | 04732205 |
| 559021 | Apr 12, 2005 | Apr 12, 2005 | Westport Oil and Gas Company, LP | Miller Ranch #8 | 11,000 | 04732197 |
| 560047 | Apr 6, 2005 | Apr 6, 2005 | Chevron U. S. A. Inc. | Lopez, G. G. #22 | 10,800 | 04732204 |
| 559901 | Apr 6, 2005 | Apr 6, 2005 | Erskine Energy, LLC | Sullivan Deep "D" #2 | 15,000 | 04732203 |
| 559901Amendment | Apr 6, 2005 | Apr 6, 2005 | Erskine Energy, LLC | Sullivan Deep "D" #2 | 15,000 | 04732203 |
| 559652 | Apr 4, 2005 | Apr 4, 2005 | Will-Drill Production Co., Inc. | Solis Gas Unit #1 | 11,500 | 04732200 |
| 559850 | Apr 1, 2005 | Apr 1, 2005 | Westport Oil and Gas Company, LP | Cage, P.C. et Al #1 | 9,000 | 04732201 |
| 559494 | Mar 24, 2005 | Mar 24, 2005 | Chevron U. S. A. Inc. | Lopez, G. G. #19 | 8,000 | 04732199 |
| 544015Amendment | Mar 24, 2005 | Mar 24, 2005 | Exxon Mobil Corporation | Santa FE Ranch "B" #202 | 8,000 | 04732140 |
| 559322 | Mar 23, 2005 | Mar 23, 2005 | Exxon Mobil Corporation | Santa FE Ranch "B" #201 | 8,340 | 04732198 |
| 553805Amendment | Mar 22, 2005 | Mar 22, 2005 | Exxon Mobil Corporation | Viboras Field Gas Unit No. 1 #Q135H | 8,800 | 04732176 |
| 559248 | Mar 21, 2005 | Mar 21, 2005 | Westport Oil and Gas Company, LP | Cage Ranch 603 #4 | 8,000 | 04731865 |
| 558323 | Mar 17, 2005 | Mar 17, 2005 | Exxonmobil Pipeline Company | Kelsey Bass - King Ranch #C513 | 400 | 04732195 |
| 558784 | Mar 9, 2005 | Mar 9, 2005 | Ballard Exploration Company,inc. | Betsy Bennett "D" #1 | 7,100 | 04732196 |
| 558698 | Mar 8, 2005 | Mar 8, 2005 | Chevron U. S. A. Inc. | McGill Bros NCT-1 #81 | 10,200 | 04731745 |
| 558606 | Mar 7, 2005 | Mar 7, 2005 | Brigham Oil & Gas, L.P. | Sullivan, D.J. C #29 | 13,500 | 04732194 |
| 558349 | Mar 1, 2005 | Mar 1, 2005 | Westport Oil and Gas Company, LP | Miller Ranch #7 | 10,000 | 04732193 |
| 557554 | Feb 11, 2005 | Feb 11, 2005 | Exxon Mobil Corporation | Viboras Field Gas Unit No. 1 #V 77 F | 7,380 | 04730655 |
| 557407 | Feb 9, 2005 | Feb 9, 2005 | United Resources LP | Dixon/Penly #1 | 10,500 | 04732192 |
| 557407Amendment | Feb 9, 2005 | Feb 9, 2005 | United Resources LP | Dixon/Penly #1 | 10,500 | 04732192 |
| 557073 | Feb 1, 2005 | Feb 1, 2005 | Mestena Operating, Ltd. | Capricho Trap #4 | 2,000 | 04732191 |
| 557072 | Feb 1, 2005 | Feb 1, 2005 | Mestena Operating, Ltd. | Capricho Trap #3 | 2,000 | 04732189 |
| 557071 | Feb 1, 2005 | Feb 1, 2005 | Mestena Operating, Ltd. | Capricho Trap #2 | 2,000 | 04732190 |
| 556885 | Jan 27, 2005 | Jan 27, 2005 | Ballard Exploration Company,inc. | Bennett, Betsy "C" #1 | 6,700 | 04732188 |
| 555599 | Jan 27, 2005 | Jan 27, 2005 | Loudon Operating Company, L.L.C. | McGill Bros. NCT-1 #90 | 8,735 | 04732069 |
| 556571 | Jan 21, 2005 | Jan 21, 2005 | Newfield Exploration Company | La Rucia Ranch #25 | 14,000 | 04732187 |
| 556257 | Jan 19, 2005 | Jan 19, 2005 | Exxon Mobil Corporation | McGill Brothers #564 | 8,340 | 04732000 |
| 556215 | Jan 14, 2005 | Jan 14, 2005 | Westport Oil and Gas Company, LP | Garcia, Nellie #1 | 9,500 | 04731731 |
| 555884 | Jan 7, 2005 | Jan 7, 2005 | Ballard Exploration Company,inc. | Lindero #1 | 6,500 | 04732186 |
| 548391 | Jan 4, 2005 | Jan 4, 2005 | Exxon Mobil Corporation | State Marshall #54 | 8,000 | 04732152 |
| 552212 | Dec 31, 2004 | Dec 31, 2004 | Exxon Mobil Corporation | State Marshall #56 | 8,100 | 04732165 |
| 551611 | Dec 31, 2004 | Dec 31, 2004 | Exxon Mobil Corporation | State Marshall #57 | 8,000 | 04732162 |
| 555421 | Dec 29, 2004 | Dec 29, 2004 | Mestena Operating, Ltd. | Mestena Oil & Gas Co. "1" #68 | 2,000 | 04732185 |
| 555408 | Dec 28, 2004 | Dec 28, 2004 | Brigham Oil & Gas, L.P. | Palmer State 348 #10 | 13,500 | 04732184 |
| 555160 | Dec 21, 2004 | Dec 21, 2004 | Whittier Operating Inc | Scott & Hopper #4 | 10,000 | 04732183 |
| 555139 | Dec 21, 2004 | Dec 21, 2004 | Mestena Operating, Ltd. | West Primavera #1 | 9,000 | 04732182 |
| 554306 | Dec 15, 2004 | Dec 15, 2004 | Samson Lone Star LP | Scott & Hopper #2 | 11,000 | 04732179 |
| 554768 | Dec 13, 2004 | Dec 13, 2004 | Loudon Operating Company, L.L.C. | Lopez #6 | 8,800 | 04732181 |
| 554767 | Dec 13, 2004 | Dec 13, 2004 | Chevron U. S. A. Inc. | Lopez, G G #10 | 10,500 | 04732110 |
| 554665 | Dec 10, 2004 | Dec 10, 2004 | Chevron U. S. A. Inc. | McGill Bros. NCT-1 #103 | 9,400 | 04732103 |
| 554429 | Dec 6, 2004 | Dec 6, 2004 | Ballard Exploration Company,inc. | Brazil #1 | 6,500 | 04732180 |
| 554244 | Dec 1, 2004 | Dec 1, 2004 | Newfield Exploration Company | La Rucia Ranch #24 | 13,500 | 04732178 |
| 554209 | Nov 30, 2004 | Nov 30, 2004 | Republic Resources, LLC, | Rachal Unit #1 | 7,500 | 04732177 |
| 553805 | Nov 29, 2004 | Nov 29, 2004 | Exxon Mobil Corporation | Viboras Field Gas Unit No. 1 #Q135H | 8,800 | 04732176 |
| 553805Amendment | Nov 29, 2004 | Nov 29, 2004 | Exxon Mobil Corporation | Viboras Field Gas Unit No. 1 #Q135H | 8,800 | 04732176 |
| 553389 | Nov 16, 2004 | Nov 16, 2004 | Gaither Petroleum Corporation | Bennett, Mills Estate Fee #70 | 5,200 | 04732174 |
| 553388 | Nov 12, 2004 | Nov 12, 2004 | Gaither Petroleum Corporation | Bennett, Mills Estate Fee #72 | 6,200 | 04732175 |
| 553276 | Nov 5, 2004 | Nov 5, 2004 | Newfield Exploration Company | La Rucia Ranch #23 | 13,500 | 04732173 |
| 553229 | Nov 4, 2004 | Nov 4, 2004 | Ballard Exploration Company,inc. | Bennett, Betsy "B" #1 | 6,700 | 04732172 |
| 552963 | Oct 29, 2004 | Oct 29, 2004 | Brigham Oil & Gas, L.P. | Sullivan, D. J. A #1 | 15,500 | 04732171 |
| 552963Amendment | Oct 29, 2004 | Oct 29, 2004 | Brigham Oil & Gas, L.P. | Sullivan, D. J. A #1 | 18,000 | 04732171 |
| 552857 | Oct 26, 2004 | Oct 26, 2004 | Loudon Operating Company, L.L.C. | Mangel Gas Unit #1 | 12,000 | 04732170 |
| 552817 | Oct 26, 2004 | Oct 26, 2004 | LMP Exploration Operating, LLC | Martinez Gas Unit #1 | 11,000 | 04732169 |
| 552817Amendment | Oct 26, 2004 | Oct 26, 2004 | LMP Exploration Operating, LLC | Martinez Gas Unit #1 | 11,000 | 04732169 |
| 552525 | Oct 20, 2004 | Oct 20, 2004 | Exxon Mobil Corporation | Santa FE Ranch #123 | 15,500 | 04732168 |
| 552404 | Oct 18, 2004 | Oct 18, 2004 | Exxon Mobil Corporation | McGill Brothers #570 | 8,700 | 04732167 |
| 552321 | Oct 15, 2004 | Oct 15, 2004 | Westport Oil and Gas Company, LP | Cage Ranch 7072 #7072 T | 7,950 | 04731711 |
| 552320 | Oct 15, 2004 | Oct 15, 2004 | Westport Oil and Gas Company, LP | Cage Ranch #4 | 9,831 | 04731917 |
| 552230 | Oct 13, 2004 | Oct 13, 2004 | Mestena Operating, Ltd. | Capricho Trap #1 | 2,000 | 04732166 |
| 552104 | Oct 11, 2004 | Oct 11, 2004 | Chevron U. S. A. Inc. | Lopez, G G #18 | 10,000 | 04732164 |
| 552071 | Oct 8, 2004 | Oct 8, 2004 | Loudon Operating Company, L.L.C. | Lopez #2 | 9,466 | 04732048 |
| 551670 | Sep 29, 2004 | Sep 29, 2004 | Westport Oil and Gas Company, LP | Miller Ranch #6 | 12,000 | 04732163 |