| 611894 | Jan 11, 2006 | Jan 11, 2006 | Blackbrush O & G, Inc. | Petty Ranch #702 | 5,600 | 47939376 |
| 611872 | Jan 11, 2006 | Jan 11, 2006 | Killam Oil Co., Ltd. | Killam and Hurd Fee 1501 #1 | 10,000 | 47939375 |
| 611872Amendment | Jan 11, 2006 | Jan 11, 2006 | Killam Oil Co., Ltd. | Killam and Hurd Fee 1501 #1 | 8,702 | 47939375 |
| 612045 | Jan 6, 2006 | Jan 6, 2006 | Ricochet Energy, Inc. | Rottersmann #1 | 13,000 | 47939380 |
| 612045Amendment | Jan 6, 2006 | Jan 6, 2006 | Ricochet Energy, Inc. | Rottersmann #1 | 14,000 | 47939380 |
| 612024 | Jan 6, 2006 | Jan 6, 2006 | Escondido Resources GP, LLC | Briscoe #18 | 5,800 | 47939381 |
| 612020 | Jan 6, 2006 | Jan 6, 2006 | Lewis Petro Properties, Inc. | Rettig, Mabel 2292 "A" #57 | 10,200 | 47939379 |
| 612020Amendment | Jan 6, 2006 | Jan 6, 2006 | Lewis Petro Properties, Inc. | Rettig, Mabel 2292 "A" #57 | 10,200 | 47939379 |
| 611958 | Jan 6, 2006 | Jan 6, 2006 | Lewis Petro Properties, Inc. | Webb County School Land 1383 #27 | 7,800 | 47939378 |
| 611928 | Jan 5, 2006 | Jan 5, 2006 | Chesapeake Operating, Inc. | Vaquillas Ranch #11 | 11,000 | 47939377 |
| 611736 | Jan 5, 2006 | Jan 5, 2006 | Awp Operating Company | Reese #3 | 7,700 | 47939373 |
| 611852 | Jan 4, 2006 | Jan 4, 2006 | Killam Oil Co., Ltd. | Vaquillas-Borrego #21 | 12,000 | 47939374 |
| 611846 | Jan 4, 2006 | Jan 4, 2006 | Tidal Petroleum, Inc. | Williamson #4 | 7,950 | 47931550 |
| 611728 | Dec 29, 2005 | Dec 29, 2005 | Ricochet Energy, Inc. | Hubberd Trust #4 | 9,500 | 47939372 |
| 611655 | Dec 29, 2005 | Dec 29, 2005 | Killam Oil Co., Ltd. | Killam-Hurd Bruni 2241 #1 | 16,500 | 47939368 |
| 611687 | Dec 28, 2005 | Dec 28, 2005 | Escondido Resources GP, LLC | Briscoe #17 | 8,000 | 47939369 |
| 611680 | Dec 28, 2005 | Dec 28, 2005 | Whittier Operating Inc. | Rachal #3 | 7,800 | 47939370 |
| 611578 | Dec 27, 2005 | Dec 27, 2005 | Huber Energy L.P. | Briscoe C #6 | 6,000 | 47939367 |
| 611519 | Dec 22, 2005 | Dec 22, 2005 | Virtex Petroleum Company, Inc. | Fasken Land & Mineral St of TX #5902 | 7,300 | 47939366 |
| 611510 | Dec 22, 2005 | Dec 22, 2005 | Awp Operating Company | Stokes #3 | 7,700 | 47939365 |
| 611504 | Dec 22, 2005 | Dec 22, 2005 | Lewis Petro Properties, Inc. | Beasley State 97 #37 | 7,200 | 47939364 |
| 611504Amendment | Dec 22, 2005 | Dec 22, 2005 | Lewis Petro Properties, Inc. | Beasley State 97 #37 | 7,200 | 47939364 |
| 611322 | Dec 21, 2005 | Dec 21, 2005 | Huber Energy L.P. | Briscoe C #7 | 6,000 | 47939362 |
| 611282 | Dec 20, 2005 | Dec 20, 2005 | Lewis Petro Properties, Inc. | Beasley Welhausen State 105 #30 | 7,200 | 47939360 |
| 611182 | Dec 16, 2005 | Dec 16, 2005 | Lewis Petro Properties, Inc. | Galvan Ranch "H" #2H | 10,200 | 47938536 |
| 611170 | Dec 16, 2005 | Dec 16, 2005 | Lewis Petro Properties, Inc. | Rettig, Mabel 2292 #51 | 10,200 | 47939359 |
| 611118 | Dec 15, 2005 | Dec 15, 2005 | Axio Production Company, L.P. | El Gato #29 | 9,500 | 47939358 |
| 611042 | Dec 15, 2005 | Dec 15, 2005 | Lewis Petro Properties, Inc. | Leyendecker-Hunter "B" 1152 #19 | 7,800 | 47939357 |
| 611041 | Dec 15, 2005 | Dec 15, 2005 | Lewis Petro Properties, Inc. | Owen-Briscoe 1723 #5 | 7,800 | 47939356 |
| 610911 | Dec 13, 2005 | Dec 13, 2005 | Whittier Operating Inc. | Rachal #2 | 7,800 | 47939355 |
| 610796 | Dec 13, 2005 | Dec 13, 2005 | Newfield Exploration Company | Gonzalez, Ruben #9 | 12,300 | 47936896 |
| 610569 | Dec 7, 2005 | Dec 7, 2005 | Blackbrush O & G, Inc. | Gates Ranch 05S #505 | 5,850 | 47939354 |
| 610457 | Dec 7, 2005 | Dec 7, 2005 | Rosetta Resources Operating LP | South Callaghan Ranch #232 | 9,700 | 47939351 |
| 610456 | Dec 7, 2005 | Dec 7, 2005 | Rosetta Resources Operating LP | South Callaghan Ranch #234 | 9,700 | 47939352 |
| 610453 | Dec 7, 2005 | Dec 7, 2005 | Rosetta Resources Operating LP | South Callaghan Ranch #233 | 9,000 | 47939350 |
| 610440 | Dec 7, 2005 | Dec 7, 2005 | Blackbrush O & G, Inc. | Gates Ranch 05S #5016 | 5,950 | 47939349 |
| 610608 | Dec 6, 2005 | Dec 6, 2005 | Lewis Petro Properties, Inc. | Webb County School Land 1383 #17 | 7,800 | 47939353 |
| 610492 | Dec 5, 2005 | Dec 5, 2005 | Virtex Petroleum Company, Inc. | Fasken Land & Mineral St of TX #5901 | 7,100 | 47939348 |
| 610393 | Dec 2, 2005 | Dec 2, 2005 | Lewis Petro Properties, Inc. | Gates "O" TR3 #2 | 6,200 | 47939347 |
| 610202 | Dec 2, 2005 | Dec 2, 2005 | Killam Oil Co., Ltd. | Puig #1 | 12,500 | 47939346 |
| 610202Amendment | Dec 2, 2005 | Dec 2, 2005 | Killam Oil Co., Ltd. | Puig #1 | 12,300 | 47939346 |
| 600188Amendment | Dec 1, 2005 | Dec 1, 2005 | Killam Oil Co., Ltd. | Killam & Hurd Fee '2023' #6 | 7,600 | 47939112 |
| 610205 | Nov 29, 2005 | Nov 29, 2005 | Evans, S. Lavon Jr. Oper. Co. | Los Ojuelos Mineral Trust #2 | 13,000 | 47939345 |
| 610120 | Nov 28, 2005 | Nov 28, 2005 | Escondido Resources GP, LLC | Briscoe #12 | 7,000 | 12733347 |
| 610063 | Nov 28, 2005 | Nov 28, 2005 | Huber Energy L.P. | Brask "A" #7 | 6,000 | 47939343 |
| 610000 | Nov 23, 2005 | Nov 23, 2005 | Axio Production Company, L.P. | Vaquillas Ranch #10 | 9,500 | 47939342 |
| 609830 | Nov 21, 2005 | Nov 21, 2005 | Thorp Petroleum Corporation | Botello #2 | 9,500 | 47939341 |
| 609779 | Nov 21, 2005 | Nov 21, 2005 | Lewis Petro Properties, Inc. | Gonzalez 2292 #14 | 7,200 | 47939340 |
| 609776 | Nov 21, 2005 | Nov 21, 2005 | Lewis Petro Properties, Inc. | Gates "N" TR4 #2 | 6,200 | 47939339 |
| 609775 | Nov 21, 2005 | Nov 21, 2005 | Lewis Petro Properties, Inc. | Gates "N" TR4 #3 | 6,200 | 47939338 |
| 609750 | Nov 18, 2005 | Nov 18, 2005 | Lewis Petro Properties, Inc. | Beasley State 97 #14 | 7,800 | 47939337 |
| 609648 | Nov 17, 2005 | Nov 17, 2005 | Lewis Petro Properties, Inc. | Webb County School Land 1383 #26 | 8,000 | 47939336 |
| 609537 | Nov 16, 2005 | Nov 16, 2005 | Huber Energy L.P. | Briscoe E #286 | 6,000 | 47939335 |
| 609271 | Nov 16, 2005 | Nov 16, 2005 | Conocophillips Company | Vaquillas Ranch Co Ltd #73 | 10,600 | 47939331 |
| 609431 | Nov 15, 2005 | Nov 15, 2005 | Lewis Petro Properties, Inc. | Owen #3 | 8,000 | 47939334 |
| 609357 | Nov 14, 2005 | Nov 14, 2005 | Axio Production Company, L.P. | El Gato #23 | 8,700 | 47935702 |
| 609369 | Nov 10, 2005 | Nov 10, 2005 | Peoples Energy Prod.-TX, L.P. | Clark, N. H. #18 | 9,000 | 47939333 |
| 609344 | Nov 10, 2005 | Nov 10, 2005 | Virtex Petroleum Company, Inc. | Fasken Land & Mineral St of TX #6201 | 7,300 | 47939332 |
| 609183 | Nov 9, 2005 | Nov 9, 2005 | Newfield Exploration Company | R. Gonzales #10 | 15,000 | 47938782 |
| 609167 | Nov 8, 2005 | Nov 8, 2005 | Conocophillips Company | Bruni Ranch #39 | 10,400 | 47937170 |
| 609167Amendment | Nov 8, 2005 | Nov 8, 2005 | Conocophillips Company | Bruni Ranch #39 | 10,400 | 47937170 |
| 609035 | Nov 4, 2005 | Nov 4, 2005 | Virtex Petroleum Company, Inc. | T Martin St of TX #8001 | 7,500 | 47939330 |
| 608946 | Nov 3, 2005 | Nov 3, 2005 | Lewis Petro Properties, Inc. | Gates "N" TR3 #4 | 6,200 | 47939329 |
| 608875 | Nov 2, 2005 | Nov 2, 2005 | Thorp Petroleum Corporation | Botello #1 | 9,500 | 47939328 |
| 608689 | Oct 31, 2005 | Oct 31, 2005 | EOG Resources, Inc. | Staggs #6HH | 12,500 | 47939327 |
| 608689Amendment | Oct 31, 2005 | Oct 31, 2005 | EOG Resources, Inc. | Staggs #6HH | 12,500 | 47939327 |
| 608493 | Oct 28, 2005 | Oct 28, 2005 | Conocophillips Company | B.M.T. #148 | 11,650 | 47939326 |
| 608036 | Oct 26, 2005 | Oct 26, 2005 | Axio Production Company, L.P. | El Gato #28 | 9,500 | 47939322 |
| 608285 | Oct 25, 2005 | Oct 25, 2005 | Killam Oil Co., Ltd. | Garcia 608 #4 | 12,500 | 47939325 |
| 608356 | Oct 24, 2005 | Oct 24, 2005 | Lewis Petro Properties, Inc. | Wright Land & Cattle #1 | 7,800 | 47939324 |
| 608258 | Oct 24, 2005 | Oct 24, 2005 | Evans, S. Lavon Jr. Oper. Co. | Benavides State of Texas #2 | 12,000 | 47939323 |
| 608258Amendment | Oct 24, 2005 | Oct 24, 2005 | Evans, S. Lavon Jr. Oper. Co. | Benavides State of Texas #2 | 12,500 | 47939323 |
| 608228 | Oct 20, 2005 | Oct 20, 2005 | Legend Natural Gas II, LP | Rodrigues G. U. #3 | 7,500 | 47939321 |
| 608228Amendment | Oct 20, 2005 | Oct 20, 2005 | Legend Natural Gas II, LP | Rodriguez G. U. #3 | 7,500 | 47939321 |
| 608228Amendment | Oct 20, 2005 | Oct 20, 2005 | Legend Natural Gas II, LP | Rodriguez G. U. #3 | 7,500 | 47939321 |
| 607996 | Oct 20, 2005 | Oct 20, 2005 | Nearburg Producing Company | Bruni Mineral Trust C #1 | 8,348 | 47938836 |
| 608100 | Oct 18, 2005 | Oct 18, 2005 | Legend Natural Gas II, LP | Wright #16 | 9,000 | 47939320 |
| 608084 | Oct 18, 2005 | Oct 18, 2005 | Ricochet Energy, Inc. | Hubberd "C-East" #2 | 9,300 | 47939319 |
| 608033 | Oct 18, 2005 | Oct 18, 2005 | Lewis Petro Properties, Inc. | Beasley Welhausen State 105 #38 | 7,200 | 47939318 |
| 607947 | Oct 18, 2005 | Oct 18, 2005 | Enterprise Products Operating LP | Rectifier: Epu 5504 #5504EP | 330 | 47939316 |
| 607316 | Oct 18, 2005 | Oct 18, 2005 | Safari Production Company, Inc. | Schwarz, E. H. #17 | 9,700 | 47935654 |
| 606726 | Oct 18, 2005 | Oct 18, 2005 | Conocophillips Company | Carr #144 | 9,600 | 47939281 |
| 607875 | Oct 17, 2005 | Oct 17, 2005 | Devon Louisiana Corporation | Moglia, G. B. #1 | 11,176 | 47934524 |
| 607916 | Oct 14, 2005 | Oct 14, 2005 | Lewis Petro Properties, Inc. | Gates "N" TR1 #7 | 6,000 | 47939315 |
| 607709 | Oct 13, 2005 | Oct 13, 2005 | Blackbrush O & G, Inc. | Gates Ranch "B" #5035 | 5,900 | 47933839 |
| 607702 | Oct 13, 2005 | Oct 13, 2005 | Huber Energy L.P. | Briscoe "E" #134 | 5,050 | 47938191 |
| 607567 | Oct 13, 2005 | Oct 13, 2005 | Escondido Resources GP, LLC | Fasken B #27 | 7,000 | 47939314 |
| 607566 | Oct 13, 2005 | Oct 13, 2005 | Escondido Resources GP, LLC | Fasken B #23 | 7,000 | 47939300 |
| 607759 | Oct 12, 2005 | Oct 12, 2005 | EOG Resources, Inc. | Cabezon #8 | 12,500 | 47939313 |
| 607609 | Oct 12, 2005 | Oct 12, 2005 | Metano Energy, LP | Galvan #A 1 | 6,600 | 47939312 |
| 607607 | Oct 12, 2005 | Oct 12, 2005 | Metano Energy, LP | Galvan #B 1 | 6,500 | 47939311 |
| 605964 | Oct 12, 2005 | Oct 12, 2005 | EOG Resources, Inc. | Tijerina #2HH | 11,600 | 47939271 |
| 605964Amendment | Oct 12, 2005 | Oct 12, 2005 | EOG Resources, Inc. | Tijerina #2HH | 11,600 | 47939271 |
| 607606 | Oct 11, 2005 | Oct 11, 2005 | Metano Energy, LP | Galvan #C 1 | 6,500 | 47939310 |
| 607583 | Oct 11, 2005 | Oct 11, 2005 | Conocophillips Company | Taubman #2 | 10,200 | 47939309 |
| 607581 | Oct 11, 2005 | Oct 11, 2005 | Escondido Resources GP, LLC | Fasken B #25 | 7,000 | 47939308 |
| 607579 | Oct 11, 2005 | Oct 11, 2005 | Escondido Resources GP, LLC | Fasken B #24 | 7,000 | 47939307 |
| 607568 | Oct 11, 2005 | Oct 11, 2005 | Escondido Resources GP, LLC | Fasken B #28 | 7,000 | 47939304 |
| 607564 | Oct 11, 2005 | Oct 11, 2005 | Escondido Resources GP, LLC | Fasken B #22 | 7,000 | 47939301 |
| 607563 | Oct 11, 2005 | Oct 11, 2005 | Escondido Resources GP, LLC | Fasken B #21 | 7,000 | 47939306 |