| 605153 | Sep 15, 2005 | Sep 15, 2005 | Conocophillips Company | Laurel Mineral Estate #1050535351 | 12,800 |
| 606349 | Sep 14, 2005 | Sep 14, 2005 | Legend Natural Gas II, LP | S. Garcia #250535366 | 13,000 |
| 606349Amendment | Sep 14, 2005 | Sep 14, 2005 | Legend Natural Gas II, LP | Garcia, S. #250535366 | 13,000 |
| 606347 | Sep 14, 2005 | Sep 14, 2005 | Legend Natural Gas II, LP | Whittier #150535365 | 13,000 |
| 606347Amendment | Sep 14, 2005 | Sep 14, 2005 | Legend Natural Gas II, LP | Whittier #150535365 | 13,000 |
| 606162 | Sep 13, 2005 | Sep 13, 2005 | Newfield Exploration Company | Varal Ranches #250535362 | 13,000 |
| 606187 | Sep 12, 2005 | Sep 12, 2005 | Chesapeake Operating, Inc. | LFT #150535364 | 13,000 |
| 606183 | Sep 12, 2005 | Sep 12, 2005 | Houston Exploration Company, The | Dominguez #350535363 | 9,500 |
| 606183Amendment | Sep 12, 2005 | Sep 12, 2005 | Houston Exploration Company, The | Dominguez #350535363 | 9,500 |
| 606151 | Sep 12, 2005 | Sep 12, 2005 | Chesapeake Operating, Inc. | Singer Gas Unit #150535361 | 13,000 |
| 606151Amendment | Sep 12, 2005 | Sep 12, 2005 | Chesapeake Operating, Inc. | Singer Gas Unit #150535361 | 13,000 |
| 606081 | Sep 9, 2005 | Sep 9, 2005 | Chesapeake Operating, Inc. | Alexander #950535359 | 14,000 |
| 606081Amendment | Sep 9, 2005 | Sep 9, 2005 | Chesapeake Operating, Inc. | Alexander #950535359 | 14,000 |
| 606063 | Sep 8, 2005 | Sep 8, 2005 | Laredo Energy | Zachry #150535358 | 10,000 |
| 605842 | Sep 2, 2005 | Sep 2, 2005 | Chesapeake Operating, Inc. | Morales #150535169 | 14,000 |
| 605779 | Sep 1, 2005 | Sep 1, 2005 | Chesapeake Operating, Inc. | RMT #950535357 | 13,000 |
| 605584 | Aug 29, 2005 | Aug 29, 2005 | Reichmann Petroleum Corp. | Volpe #150535356 | 15,000 |
| 605584Amendment | Aug 29, 2005 | Aug 29, 2005 | Conocophillips Company | Volpe #150535356 | 15,000 |
| 604311 | Aug 29, 2005 | Aug 29, 2005 | Houston Exploration Company, The | Leonardo #4450535339 | 13,500 |
| 605451 | Aug 26, 2005 | Aug 26, 2005 | Houston Exploration Company, The | M. Flores #1250535355 | 14,500 |
| 602824 | Aug 26, 2005 | Aug 26, 2005 | Chesapeake Operating, Inc. | Zapata Townsite #150535312 | 13,000 |
| 604225 | Aug 25, 2005 | Aug 25, 2005 | Houston Exploration Company, The | Leonardo #4350535337 | 10,500 |
| 605346 | Aug 23, 2005 | Aug 23, 2005 | Houston Exploration Company, The | Gutierrez, E. E. #650535354 | 14,500 |
| 605272 | Aug 23, 2005 | Aug 23, 2005 | Westport Oil and Gas Company, LP | J.W. Mecom #46J50531579 | 8,945 |
| 605275 | Aug 22, 2005 | Aug 22, 2005 | Ricochet Energy, Inc. | Vela, Oscar #150535353 | 9,000 |
| 605224 | Aug 19, 2005 | Aug 19, 2005 | Metano Energy, LP | Fulbright #150535352 | 12,000 |
| 605169 | Aug 19, 2005 | Aug 19, 2005 | Conocophillips Company | Las Palomas #450535350 | 14,550 |
| 482550Amendment | Aug 18, 2005 | Aug 18, 2005 | Houston Exploration Company, The | Jacoba #450533901 | 14,500 |
| 335584Amendment | Aug 18, 2005 | Aug 18, 2005 | Houston Exploration Company, The | Jacoba #350532365 | 14,000 |
| 330426Amendment | Aug 18, 2005 | Aug 18, 2005 | Houston Exploration Company, The | Jacoba #250532328 | 14,000 |
| 603824 | Aug 17, 2005 | Aug 17, 2005 | Conocophillips Company | Edward Cassin #650535330 | 13,100 |
| 604987 | Aug 16, 2005 | Aug 16, 2005 | Chesapeake Operating, Inc. | Villarreal #450535349 | 12,500 |
| 604982 | Aug 16, 2005 | Aug 16, 2005 | Cody Energy LLC | Palmyra #1650535348 | 11,000 |
| 604981 | Aug 16, 2005 | Aug 16, 2005 | Cody Energy LLC | Palmyra #1250535347 | 13,000 |
| 604815 | Aug 12, 2005 | Aug 12, 2005 | Peoples Energy Prod.-TX, L.P. | Trevino "B' #450535346 | 11,300 |
| 603582 | Aug 12, 2005 | Aug 12, 2005 | Houston Exploration Company, The | Munoz #1350535327 | 14,700 |
| 604807 | Aug 11, 2005 | Aug 11, 2005 | Reichmann Petroleum Corp. | Martinez #350535345 | 10,500 |
| 604775 | Aug 10, 2005 | Aug 10, 2005 | EOG Resources, Inc. | Garcia, George #150535344 | 11,000 |
| 604709 | Aug 10, 2005 | Aug 10, 2005 | Chesapeake Operating, Inc. | Romero Vasquez #250535343 | 13,000 |
| 604701 | Aug 9, 2005 | Aug 9, 2005 | Chesapeake Operating, Inc. | Ranchito "a" Gas Unit #250535342 | 13,000 |
| 604557 | Aug 8, 2005 | Aug 8, 2005 | EOG Resources, Inc. | Guadalupe Ranch,ltd #150535341 | 13,000 |
| 603151 | Aug 4, 2005 | Aug 4, 2005 | Conocophillips Company | Laurel Mineral Estate #950535318 | 12,400 |
| 604361 | Aug 3, 2005 | Aug 3, 2005 | Laredo Energy | San Fernando #350535340 | 11,000 |
| 604160 | Aug 2, 2005 | Aug 2, 2005 | Synthetic Energy Corporation | Garcia, Anastasio #511H50535336 | 300 |
| 604160Amendment | Aug 2, 2005 | Aug 2, 2005 | Synthetic Energy Corporation | Garcia, Anastacio #6HH50535336 | 300 |
| 604203 | Aug 1, 2005 | Aug 1, 2005 | Chesapeake Operating, Inc. | Ruben Flores Minerals #350535338 | 12,000 |
| 604134 | Jul 29, 2005 | Jul 29, 2005 | Chesapeake Operating, Inc. | Laurel, O. M. Estate #850535334 | 13,500 |
| 604133 | Jul 29, 2005 | Jul 29, 2005 | Chesapeake Operating, Inc. | Laureal, O. M. Estate #750535333 | 13,500 |
| 604132 | Jul 29, 2005 | Jul 29, 2005 | Chesapeake Operating, Inc. | El Refugio #150535335 | 13,500 |
| 604132Amendment | Jul 29, 2005 | Jul 29, 2005 | Chesapeake Operating, Inc. | El Refugio #150535335 | 13,500 |
| 602645 | Jul 28, 2005 | Jul 28, 2005 | Houston Exploration Company, The | Flores, L. G. #4850535311 | 14,500 |
| 602604 | Jul 28, 2005 | Jul 28, 2005 | North Central Oil Corp. | Haynes, L. #6050534280 | 9,216 |
| 604019 | Jul 27, 2005 | Jul 27, 2005 | Chevron U. S. A. Inc. | Martinez-Alexander Gas Unit "A" #150535332 | 9,700 |
| 603934 | Jul 25, 2005 | Jul 25, 2005 | Legend Natural Gas II, LP | Garcia, S. #150535331 | 12,850 |
| 603934Amendment | Jul 25, 2005 | Jul 25, 2005 | Legend Natural Gas II, LP | Garcia, S. #150535331 | 12,850 |
| 603852 | Jul 22, 2005 | Jul 22, 2005 | Houston Exploration Company, The | Trevino #2650535329 | 10,300 |
| 603815 | Jul 22, 2005 | Jul 22, 2005 | Chesapeake Operating, Inc. | RMT #C 250535328 | 13,000 |
| 603425 | Jul 18, 2005 | Jul 18, 2005 | Conocophillips Company | Jennings Ranch C #6150535326 | 13,500 |
| 603394 | Jul 15, 2005 | Jul 15, 2005 | Houston Exploration Company, The | Munoz #1250535325 | 14,900 |
| 603388 | Jul 15, 2005 | Jul 15, 2005 | Houston Exploration Company, The | Dominguez #250535324 | 9,800 |
| 603344 | Jul 15, 2005 | Jul 15, 2005 | Houston Exploration Company, The | Benavides, B. R. #850535323 | 13,300 |
| 603344Amendment | Jul 15, 2005 | Jul 15, 2005 | Houston Exploration Company, The | Benavides, B. R. #850535323 | 13,300 |
| 603401 | Jul 14, 2005 | Jul 14, 2005 | Dominion Expl. & Prod., Inc. | Swantner Gas Unit #250535322 | 10,500 |
| 603305 | Jul 14, 2005 | Jul 14, 2005 | Pogo Producing Company | Benavides Trust #650534773 | 11,346 |
| 602155 | Jul 12, 2005 | Jul 12, 2005 | Houston Exploration Company, The | Flores, L. G. #4750535304 | 11,800 |
| 603233 | Jul 11, 2005 | Jul 11, 2005 | Houston Exploration Company, The | Jacoba #850535320 | 14,500 |
| 603215 | Jul 11, 2005 | Jul 11, 2005 | Houston Exploration Company, The | Asche #10850535321 | 14,000 |
| 603200 | Jul 11, 2005 | Jul 11, 2005 | Reichmann Petroleum Corp. | Villarreal #150535319 | 10,500 |
| 602149 | Jul 11, 2005 | Jul 11, 2005 | Houston Exploration Company, The | Asche #10750535303 | 10,800 |
| 603148 | Jul 8, 2005 | Jul 8, 2005 | Chesapeake Operating, Inc. | Manuel Ramirez #150535317 | 12,000 |
| 601763 | Jul 8, 2005 | Jul 8, 2005 | Houston Exploration Company, The | L. G. Flores #4650535297 | 14,500 |
| 548848Amendment | Jul 8, 2005 | Jul 8, 2005 | Conocophillips Company | Jennings Ranch C #5850535062 | 12,800 |
| 603141 | Jul 7, 2005 | Jul 7, 2005 | Chesapeake Operating, Inc. | New Zapata East Gas Unit #450535316 | 13,000 |
| 602993 | Jul 5, 2005 | Jul 5, 2005 | Houston Exploration Company, The | Garza-Irene Gas Unit #250535315 | 14,400 |
| 602494 | Jul 1, 2005 | Jul 1, 2005 | Houston Exploration Company, The | Jacoba #750535314 | 14,000 |
| 602860 | Jun 30, 2005 | Jun 30, 2005 | Chesapeake Operating, Inc. | Morales, Rosalva Diana #150535313 | 15,000 |
| 602860Amendment | Jun 30, 2005 | Jun 30, 2005 | Chesapeake Operating, Inc. | Morales, Rosalva Diana #150535313 | 15,000 |
| 602608 | Jun 28, 2005 | Jun 28, 2005 | North Central Oil Corp. | Haynes, L. #6250534426 | 9,753 |
| 602603 | Jun 28, 2005 | Jun 28, 2005 | North Central Oil Corp. | Haynes, L. #6450534425 | 10,900 |
| 602555 | Jun 27, 2005 | Jun 27, 2005 | Chesapeake Operating, Inc. | Jose Clemente Gutierrez "A" #250535310 | 12,000 |
| 602467 | Jun 23, 2005 | Jun 23, 2005 | Houston Exploration Company, The | Red Crest Trust #250535309 | 9,300 |
| 602417 | Jun 22, 2005 | Jun 22, 2005 | Conocophillips Company | Laurel Mineral Estate #850535308 | 12,700 |
| 602359 | Jun 21, 2005 | Jun 21, 2005 | Shell Western E&P | Leyendecker, G.L. #850535307 | 15,500 |
| 602301 | Jun 20, 2005 | Jun 20, 2005 | Chesapeake Operating, Inc. | Ramon #250535306 | 12,000 |
| 602301Amendment | Jun 20, 2005 | Jun 20, 2005 | Chesapeake Operating, Inc. | Ramon #250535306 | 12,000 |
| 602211 | Jun 17, 2005 | Jun 17, 2005 | Chesapeake Operating, Inc. | Esther Ramirez Williams Gas Unit #150535305 | 12,000 |
| 602106 | Jun 16, 2005 | Jun 16, 2005 | Newfield Exploration Company | Varal Ranches #150535302 | 13,000 |
| 602106Amendment | Jun 16, 2005 | Jun 16, 2005 | Newfield Exploration Company | Varal Ranches #150535302 | 13,000 |
| 602007 | Jun 14, 2005 | Jun 14, 2005 | Conocophillips Company | Jennings Ranch C #6050535301 | 13,600 |
| 602007Amendment | Jun 14, 2005 | Jun 14, 2005 | Conocophillips Company | Jennings Ranch C #6050535301 | 13,600 |
| 557458Amendment | Jun 14, 2005 | Jun 14, 2005 | Chesapeake Operating, Inc. | Las Ovejas-State #150535212 | 14,000 |
| 601934 | Jun 10, 2005 | Jun 10, 2005 | Chesapeake Operating, Inc. | Derly Ramirez #150535300 | 12,000 |
| 601886 | Jun 10, 2005 | Jun 10, 2005 | EOG Resources, Inc. | Barrocito, B.M. #550535299 | 12,250 |
| 601886Amendment | Jun 10, 2005 | Jun 10, 2005 | EOG Resources, Inc. | Barrocito, B.M. #550535299 | 12,250 |
| 601767 | Jun 8, 2005 | Jun 8, 2005 | Houston Exploration Company, The | Rodriguez Gas Unit #14R50535298 | 14,900 |
| 600625 | Jun 8, 2005 | Jun 8, 2005 | Houston Exploration Company, The | Asche #10650535281 | 13,600 |
| 600624 | Jun 8, 2005 | Jun 8, 2005 | Houston Exploration Company, The | Asche #10550535280 | 13,800 |
| 561184Amendment | Jun 8, 2005 | Jun 8, 2005 | Houston Exploration Company, The | Dominguez #150535271 | 13,200 |
| 601738 | Jun 7, 2005 | Jun 7, 2005 | EOG Resources, Inc. | Slator Ranch #S 150535295 | 14,000 |
| 601725 | Jun 7, 2005 | Jun 7, 2005 | Peoples Energy Prod.-TX, L.P. | Carmen Vela "C" #250535296 | 12,000 |