| 607562 | Oct 11, 2005 | Oct 11, 2005 | Blackbrush O & G, Inc. | Gates Ranch "B" #9035 | 5,800 | 47939299 |
| 607555 | Oct 11, 2005 | Oct 11, 2005 | Escondido Resources GP, LLC | Fasken B #20 | 7,000 | 47939303 |
| 607554 | Oct 11, 2005 | Oct 11, 2005 | Escondido Resources GP, LLC | Fasken, S. #26 | 7,000 | 47939302 |
| 607553 | Oct 11, 2005 | Oct 11, 2005 | Escondido Resources GP, LLC | Fasken #29 | 7,000 | 47939305 |
| 607602 | Oct 10, 2005 | Oct 10, 2005 | Tidal Petroleum, Inc. | Williamson #2B | 8,012 | 47920111 |
| 607548 | Oct 10, 2005 | Oct 10, 2005 | Huber Energy L.P. | Briscoe J #59 | 6,000 | 47939297 |
| 607547 | Oct 10, 2005 | Oct 10, 2005 | Huber Energy L.P. | Briscoe J #22 | 6,000 | 47939294 |
| 607546 | Oct 10, 2005 | Oct 10, 2005 | Huber Energy L.P. | Briscoe J #39 | 6,000 | 47939296 |
| 607544 | Oct 10, 2005 | Oct 10, 2005 | Huber Energy L.P. | Briscoe J #35 | 6,000 | 47939295 |
| 607543 | Oct 10, 2005 | Oct 10, 2005 | Huber Energy L.P. | Brask #26 | 6,000 | 47939298 |
| 606622 | Oct 10, 2005 | Oct 10, 2005 | Duke Energy Intrast. Network LLC | South 8" Laredo Lopeno Mainline #52 | 270 | 47939292 |
| 607545 | Oct 7, 2005 | Oct 7, 2005 | Huber Energy L.P. | Briscoe E #230 | 6,000 | 47939293 |
| 607526 | Oct 7, 2005 | Oct 7, 2005 | Edge Petroleum Oper. Co., Inc. | Despain 42 #2 | 11,600 | 47939291 |
| 607526Amendment | Oct 7, 2005 | Oct 7, 2005 | Edge Petroleum Oper. Co., Inc. | Despain 42 #2 | 11,600 | 47939291 |
| 607440 | Oct 6, 2005 | Oct 6, 2005 | Lewis Petro Properties, Inc. | Gonzalez 2292 #7 | 7,200 | 47939290 |
| 607439 | Oct 6, 2005 | Oct 6, 2005 | Lewis Petro Properties, Inc. | Gonzalez 2292 #12 | 7,200 | 47939289 |
| 607439Amendment | Oct 6, 2005 | Oct 6, 2005 | Lewis Petro Properties, Inc. | Gonzalez 2292 #12 | 7,200 | 47939289 |
| 607368 | Oct 6, 2005 | Oct 6, 2005 | EOG Resources, Inc. | Dulaney-Bruni #5 | 13,500 | 47939288 |
| 607315 | Oct 6, 2005 | Oct 6, 2005 | Safari Production Company, Inc. | Schwarz, E. H. #16 | 10,500 | 47935417 |
| 607403 | Oct 5, 2005 | Oct 5, 2005 | Lewis Petro Properties, Inc. | H.I. Palafox #1139 | 7,200 | 47937617 |
| 607064 | Oct 4, 2005 | Oct 4, 2005 | Killam Oil Co., Ltd. | Vaquillas Borrego #20 | 2,500 | 47939286 |
| 606878 | Oct 4, 2005 | Oct 4, 2005 | Awp Operating Company | Booth, W. V. #12 | 6,900 | 47939287 |
| 607050 | Oct 3, 2005 | Oct 3, 2005 | Sabco Operating Company | James Trust #18 | 7,200 | 47939283 |
| 607048 | Sep 30, 2005 | Sep 30, 2005 | Sabco Operating Company | James Trust #16 | 7,200 | 47939285 |
| 607051 | Sep 29, 2005 | Sep 29, 2005 | Sabco Operating Company | James Trust #17 | 7,200 | 47939284 |
| 607046 | Sep 28, 2005 | Sep 28, 2005 | Sabco Operating Company | James Trust #15 | 7,200 | 47939282 |
| 606764 | Sep 23, 2005 | Sep 23, 2005 | Evans, S. Lavon Jr. Oper. Co. | Los Ojuelos Mineral Trust #1 | 11,500 | 47939279 |
| 606764Amendment | Sep 23, 2005 | Sep 23, 2005 | Evans, S. Lavon Jr. Oper. Co. | Los Ojuelos Mineral Trust #1 | 11,500 | 47939279 |
| 606737 | Sep 23, 2005 | Sep 23, 2005 | Conocophillips Company | Benavides, AN/CY F #100 | 9,700 | 47939280 |
| 606596 | Sep 21, 2005 | Sep 21, 2005 | Calpine Natural Gas L.P. | Mayers Gas Unit 4 #5 | 9,480 | 47936207 |
| 606595 | Sep 21, 2005 | Sep 21, 2005 | Calpine Natural Gas L.P. | South Callaghan Ranch #41 | 8,400 | 47935185 |
| 606549 | Sep 19, 2005 | Sep 19, 2005 | Cummins & Walker Oil Co., Inc. | Moos #7 | 6,000 | 47939278 |
| 606507 | Sep 19, 2005 | Sep 19, 2005 | Awp Operating Company | Stokes #2 | 7,650 | 47939277 |
| 606507Amendment | Sep 19, 2005 | Sep 19, 2005 | Awp Operating Company | Stokes #2 | 7,650 | 47939277 |
| 606493 | Sep 19, 2005 | Sep 19, 2005 | Jay Management Company, LLC | Cooper, T. #2 | 8,900 | 47939276 |
| 606479 | Sep 19, 2005 | Sep 19, 2005 | Tidal Petroleum, Inc. | Williamson #2 | 8,012 | 47930023 |
| 606478 | Sep 19, 2005 | Sep 19, 2005 | Tidal Petroleum, Inc. | Williamson #1 | 8,012 | 47930622 |
| 606463 | Sep 19, 2005 | Sep 19, 2005 | Opex Energy, LLC | Culpepper #6 | 8,415 | 47935376 |
| 606441 | Sep 16, 2005 | Sep 16, 2005 | Lewis Petro Properties, Inc. | Webb County School Land 1383 #18 | 7,800 | 47939275 |
| 606433 | Sep 16, 2005 | Sep 16, 2005 | Blackbrush O & G, Inc. | Gates Ranch "E" #605A | 5,800 | 47939274 |
| 606325 | Sep 14, 2005 | Sep 14, 2005 | Calpine Natural Gas L.P. | South Callaghan Ranch #58R | 10,000 | 47935365 |
| 606325Amendment | Sep 14, 2005 | Sep 14, 2005 | Calpine Natural Gas L.P. | South Callaghan Ranch #58R | 9,300 | 47935365 |
| 602715 | Sep 14, 2005 | Sep 14, 2005 | Mirando Valley Ventures L.L.C. | Gomez, Juan Jose #1 | 2,600 | 47935218 |
| 602715Amendment | Sep 14, 2005 | Sep 14, 2005 | Resource Management Company | Gomez, Juan Jose #1 | 2,600 | 47935218 |
| 606146 | Sep 12, 2005 | Sep 12, 2005 | Lewis Petro Properties, Inc. | Owen Briscoe 1133 #2 | 7,800 | 47939273 |
| 605943 | Sep 12, 2005 | Sep 12, 2005 | Calpine Natural Gas L.P. | South Callaghan Ranch #52 | 7,850 | 47935333 |
| 605938 | Sep 7, 2005 | Sep 7, 2005 | Huber Energy L.P. | Briscoe #1080 | 10,000 | 47939270 |
| 605908 | Sep 6, 2005 | Sep 6, 2005 | Virtex Petroleum Company, Inc. | M.C. Dammier St. of TX. #5001 | 7,500 | 47939269 |
| 605907 | Sep 6, 2005 | Sep 6, 2005 | Virtex Petroleum Company, Inc. | M. Martin St. of TX. #4901 | 7,500 | 47939268 |
| 605905 | Sep 6, 2005 | Sep 6, 2005 | Virtex Petroleum Company, Inc. | J. Martin State of Texas #6601 | 7,500 | 47939267 |
| 605888 | Sep 6, 2005 | Sep 6, 2005 | Conocophillips Company | Vergara, L.B. State 740 #4 | 10,200 | 47939266 |
| 605873 | Sep 6, 2005 | Sep 6, 2005 | Lewis Petro Properties, Inc. | Galvan Ranch 2182 #6 | 6,000 | 47939265 |
| 605697 | Sep 6, 2005 | Sep 6, 2005 | Extex Operating Company | Rodriguez Minerals #1 | 7,500 | 47939260 |
| 605815 | Sep 2, 2005 | Sep 2, 2005 | EOG Resources, Inc. | Slator Ranch #J 2 | 11,500 | 47939262 |
| 605815Amendment | Sep 2, 2005 | Sep 2, 2005 | EOG Resources, Inc. | Slator Ranch #J 2 | 11,500 | 47939262 |
| 605811 | Sep 2, 2005 | Sep 2, 2005 | Killam Oil Co., Ltd. | Killam Hurd McLean 121 #4 | 17,000 | 47939263 |
| 605811Amendment | Sep 2, 2005 | Sep 2, 2005 | Killam Oil Co., Ltd. | Killam Hurd McLean 121 #4 | 14,713 | 47939263 |
| 605705 | Sep 2, 2005 | Sep 2, 2005 | Extex Operating Company | Rodriguez Minerals #2 | 7,500 | 47939264 |
| 605774 | Sep 1, 2005 | Sep 1, 2005 | EOG Resources, Inc. | Slator Ranch #U 2 | 10,800 | 47939261 |
| 605774Amendment | Sep 1, 2005 | Sep 1, 2005 | EOG Resources, Inc. | Slator Ranch #U 2 | 11,500 | 47939261 |
| 605774Amendment | Sep 1, 2005 | Sep 1, 2005 | EOG Resources, Inc. | Slator Ranch #U 2 | 11,500 | 47939261 |
| 605693 | Aug 31, 2005 | Aug 31, 2005 | Edge Petroleum Oper. Co., Inc. | De Spain 42 #1 | 10,900 | 47939259 |
| 605693Amendment | Aug 31, 2005 | Aug 31, 2005 | Edge Petroleum Oper. Co., Inc. | De Spain 42 #1 | 11,600 | 47939259 |
| 605681 | Aug 31, 2005 | Aug 31, 2005 | Chevron U. S. A. Inc. | Meitzen #1 | 10,600 | 47939258 |
| 605659 | Aug 31, 2005 | Aug 31, 2005 | Devon Energy Production Co, L.P. | Thomasma, Ray J. "F" #16 | 13,000 | 47939257 |
| 605659Amendment | Aug 31, 2005 | Aug 31, 2005 | Devon Energy Production Co, L.P. | Thomasma, Ray J. "F" #16 | 13,000 | 47939257 |
| 605626 | Aug 30, 2005 | Aug 30, 2005 | Lewis Petro Properties, Inc. | Trevino Ranch 2182 #2 | 6,900 | 47939256 |
| 605617 | Aug 30, 2005 | Aug 30, 2005 | Houston Exploration Company, The | Hubberd Trust #74 | 9,800 | 47939255 |
| 605513 | Aug 26, 2005 | Aug 26, 2005 | Conocophillips Company | Bruni Ranch #26 | 10,000 | 47935309 |
| 605429 | Aug 25, 2005 | Aug 25, 2005 | Virtex Petroleum Company, Inc. | Palafox Exploration Co. "A" #7 | 3,600 | 47932290 |
| 605408 | Aug 24, 2005 | Aug 24, 2005 | Lewis Petro Properties, Inc. | Gonzalez 2292 #13 | 7,200 | 47939254 |
| 605341 | Aug 23, 2005 | Aug 23, 2005 | Edge Petroleum Oper. Co., Inc. | Frost 45 #5 | 10,900 | 47939253 |
| 605341Amendment | Aug 23, 2005 | Aug 23, 2005 | Edge Petroleum Oper. Co., Inc. | Frost 45 #5 | 10,900 | 47939253 |
| 605340 | Aug 23, 2005 | Aug 23, 2005 | Edge Petroleum Oper. Co., Inc. | Frost 45 #4 | 10,900 | 47939252 |
| 605326 | Aug 23, 2005 | Aug 23, 2005 | Chevron U. S. A. Inc. | Carr, Edith #7 | 10,850 | 47939251 |
| 605320 | Aug 23, 2005 | Aug 23, 2005 | Blackbrush O & G, Inc. | Gates Ranch "FGH" #404 | 5,800 | 47939250 |
| 604780 | Aug 22, 2005 | Aug 22, 2005 | Calpine Natural Gas L.P. | Rottersman #39 | 10,000 | 47939249 |
| 605166 | Aug 19, 2005 | Aug 19, 2005 | Virtex Petroleum Company, Inc. | Fasken Land & Mineral St. of TX. #6301 | 7,300 | 47939247 |
| 605165 | Aug 19, 2005 | Aug 19, 2005 | Virtex Petroleum Company, Inc. | Palafox Exploration Co -A- #8 | 7,300 | 47939246 |
| 605157 | Aug 19, 2005 | Aug 19, 2005 | Huber Energy L.P. | Brask "A' #6 | 6,000 | 47939248 |
| 605095 | Aug 18, 2005 | Aug 18, 2005 | Huber Energy L.P. | Briscoe "E" #135 | 5,100 | 47938190 |
| 605071 | Aug 17, 2005 | Aug 17, 2005 | Chevron U. S. A. Inc. | Bruni Mineral Trust "B" #40 | 9,900 | 47939244 |
| 605071Amendment | Aug 17, 2005 | Aug 17, 2005 | Chevron U. S. A. Inc. | Bruni Mineral Trust "B" #40 | 9,900 | 47939244 |
| 605050 | Aug 17, 2005 | Aug 17, 2005 | Blackbrush O & G, Inc. | Gates Ranch "Y" #607A | 5,800 | 47939245 |
| 604907 | Aug 15, 2005 | Aug 15, 2005 | Ricochet Energy, Inc. | Hubberd A #1 | 9,000 | 47939243 |
| 604907Amendment | Aug 15, 2005 | Aug 15, 2005 | Ricochet Energy, Inc. | Hubberd A #1 | 9,000 | 47939243 |
| 604903 | Aug 15, 2005 | Aug 15, 2005 | Conocophillips Company | Dix Ranch D209 #2 | 8,600 | 47939242 |
| 604733 | Aug 10, 2005 | Aug 10, 2005 | Lewis Petro Properties, Inc. | Garner 1054 #1HH | 10,200 | 47939241 |
| 604733Amendment | Aug 10, 2005 | Aug 10, 2005 | Lewis Petro Properties, Inc. | Garner 1054 #1HH | 10,200 | 47939241 |
| 604732 | Aug 10, 2005 | Aug 10, 2005 | Lewis Petro Properties, Inc. | Owen Briscoe 2147 #1 | 8,000 | 47939240 |
| 604046 | Aug 10, 2005 | Aug 10, 2005 | Calpine Natural Gas L.P. | Santos #5 | 10,268 | 47937591 |
| 604597 | Aug 9, 2005 | Aug 9, 2005 | Huber Energy L.P. | Briscoe "J" #32 | 5,300 | 47938516 |
| 604581 | Aug 9, 2005 | Aug 9, 2005 | Calpine Natural Gas L.P. | South Callaghan Ranch #230 | 9,000 | 47939239 |
| 604560 | Aug 8, 2005 | Aug 8, 2005 | EOG Resources, Inc. | Staggs #4HH | 11,000 | 47939238 |
| 604548 | Aug 8, 2005 | Aug 8, 2005 | Huber Energy L.P. | Briscoe "E" #137 | 5,050 | 47938203 |
| 604524 | Aug 8, 2005 | Aug 8, 2005 | Killam Oil Co., Ltd. | Garcia 45 #1 | 12,000 | 47939237 |
| 604524Amendment | Aug 8, 2005 | Aug 8, 2005 | Killam Oil Co., Ltd. | Garcia 45 #1 | 7,010 | 47939237 |
| 604408 | Aug 4, 2005 | Aug 4, 2005 | Lewis Petro Properties, Inc. | Booth 2292 H #11AH | 10,200 | 47939235 |
| 604389 | Aug 4, 2005 | Aug 4, 2005 | Blackbrush O & G, Inc. | Gates 05S 3 #1287 | 5,800 | 47939236 |
| 604380 | Aug 4, 2005 | Aug 4, 2005 | Conocophillips Company | Benavides, Rosa V. B3 #99 | 9,600 | 47939234 |