| 504366 | Jan 22, 2001 | Jan 22, 2001 | Coastal Oil & Gas Corporation | Luera #1 | 12,950 | 42731767 |
| 504366Amendment | Jan 22, 2001 | Jan 22, 2001 | Coastal Oil & Gas Corporation | Luera State Gas Unit "A" #1 | 14,300 | 42731767 |
| 504309 | Jan 19, 2001 | Jan 19, 2001 | Conoco Inc. | Semmes Trust, et al "906" #4 | 7,629 | 42733321 |
| 504309Amendment | Jan 19, 2001 | Jan 19, 2001 | Conoco Inc. | Semmes Trust, et al "906" #4 | 8,543 | 42733321 |
| 504308 | Jan 19, 2001 | Jan 19, 2001 | Conoco Inc. | Semmes Trust, et al "906" #5 | 7,444 | 42733320 |
| 504308Amendment | Jan 19, 2001 | Jan 19, 2001 | Conoco Inc. | Semmes Trust, et al "906" #5 | 8,801 | 42733320 |
| 504307 | Jan 19, 2001 | Jan 19, 2001 | Conoco Inc. | Slick - State Vicksburg Unit B #1 | 6,990 | 42733319 |
| 504307Amendment | Jan 19, 2001 | Jan 19, 2001 | Conoco Inc. | Slick - State Vicksburg Unit B #1 | 7,800 | 42733319 |
| 504307Amendment | Jan 19, 2001 | Jan 19, 2001 | Conoco Inc. | Slick - State Vicksburg Unit B #1 | 8,500 | 42733319 |
| 504307Amendment | Jan 19, 2001 | Jan 19, 2001 | Conoco Inc. | Slick - State Vicksburg Unit B #1 | 8,500 | 42733319 |
| 504306 | Jan 19, 2001 | Jan 19, 2001 | Conoco Inc. | Slick - State Vicksburg Unit A #1 | 9,445 | 42733318 |
| 504306Amendment | Jan 19, 2001 | Jan 19, 2001 | Conoco Inc. | Slick - State Vicksburg Unit A #1 | 11,372 | 42733318 |
| 504207 | Jan 18, 2001 | Jan 18, 2001 | Coastal Oil & Gas Corporation | Guerra GU "C" #4 | 11,039 | 42732687 |
| 504034 | Jan 12, 2001 | Jan 12, 2001 | Totalfinaelf E&P USA Inc | Slick, T. B. Estate #126 | 11,000 | 42733317 |
| 504034Amendment | Jan 12, 2001 | Jan 12, 2001 | Totalfinaelf E&P USA Inc | Slick, T. B. Estate #126 | 11,000 | 42733317 |
| 504034Amendment | Jan 12, 2001 | Jan 12, 2001 | Totalfinaelf E&P USA Inc | Slick, T. B. Estate #126 | 11,000 | 42733317 |
| 503974 | Jan 11, 2001 | Jan 11, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Alvarez-Hinojosa Gas Unit #4 | 9,750 | 42733316 |
| 503931 | Jan 10, 2001 | Jan 10, 2001 | Coastal Oil & Gas Corporation | Luera #4 | 16,500 | 42733315 |
| 501860 | Jan 10, 2001 | Jan 10, 2001 | Samedan Oil Corporation | Escobar #3 | 6,760 | 42733227 |
| 503800 | Jan 8, 2001 | Jan 8, 2001 | EOG Resources, Inc. | Gonzalez, L. #3 | 6,800 | 42732752 |
| 503787 | Jan 8, 2001 | Jan 8, 2001 | Star of Texas Energy Srvs, Inc. | State of Texas Slick #6 #1 | 5,800 | 42733313 |
| 503786 | Jan 8, 2001 | Jan 8, 2001 | Star of Texas Energy Srvs, Inc. | Jayne Ann #1 | 6,200 | 42733314 |
| 503666 | Jan 4, 2001 | Jan 4, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Garcia L & L Co. -C- #10 | 5,811 | 42732638 |
| 503572 | Jan 2, 2001 | Jan 2, 2001 | Lynx Energy Company, Inc. | Share 305-C #1 | 5,400 | 42733312 |
| 503572Amendment | Jan 2, 2001 | Jan 2, 2001 | Lynx Energy Company, Inc. | Share 305-C #1 | 5,400 | 42733312 |
| 503404 | Jan 2, 2001 | Jan 2, 2001 | WJW Operating Co.,llc | Cantu #1 | 6,633 | 42732907 |
| 503504 | Dec 29, 2000 | Dec 29, 2000 | Bass Enterprises Production Co. | Deflores, M. S. #1 | 11,400 | 42732412 |
| 503504Amendment | Dec 29, 2000 | Dec 29, 2000 | Tasca Exploration Company | Deflores, M. S. #1 | 7,050 | 42732412 |
| 503437 | Dec 27, 2000 | Dec 27, 2000 | GMT Inc. | Neblett #3 | 10,200 | 42733311 |
| 503437Amendment | Dec 27, 2000 | Dec 27, 2000 | Exxon Mobil Corporation | Howell, J. J. #7 | 9,912 | 42733311 |
| 503414 | Dec 27, 2000 | Dec 27, 2000 | Fina Oil & Chemical Company | Slick, T. B. Estate #134 | 10,000 | 42733310 |
| 503319 | Dec 20, 2000 | Dec 20, 2000 | M. J. G., Inc. | Garcia "B" #7 | 10,700 | 42733309 |
| 503317 | Dec 20, 2000 | Dec 20, 2000 | Texas Independent Explor., Inc. | Slick 531 #2 | 6,800 | 42733308 |
| 503317Amendment | Dec 20, 2000 | Dec 20, 2000 | Texas Independent Explor., Inc. | Slick 531 #2 | 6,800 | 42733308 |
| 503302 | Dec 20, 2000 | Dec 20, 2000 | Kerr-McGee Oil & Gas Onshore LLC | Garcia L&L -C- #7 | 8,800 | 42732465 |
| 503273 | Dec 20, 2000 | Dec 20, 2000 | Coastal Oil & Gas Corporation | Samano, M. #3 | 4,681 | 42730396 |
| 503272 | Dec 20, 2000 | Dec 20, 2000 | Coastal Oil & Gas Corporation | Samano, H. #3 | 5,530 | 42732349 |
| 503160 | Dec 20, 2000 | Dec 20, 2000 | Samedan Oil Corporation | Guerra #2 | 5,500 | 42733306 |
| 503261 | Dec 19, 2000 | Dec 19, 2000 | Kerr-McGee Oil & Gas Onshore LLC | Laurel, D. #11 | 8,568 | 42731354 |
| 503257 | Dec 19, 2000 | Dec 19, 2000 | Wynn-Crosby Energy, Inc. | Cleopatra #2 | 7,800 | 42733307 |
| 502123 | Dec 19, 2000 | Dec 19, 2000 | Kerr-McGee Oil & Gas Onshore LLC | Alvarez-Hinojosa Gas Unit #1 | 8,600 | 42732309 |
| 503122 | Dec 15, 2000 | Dec 15, 2000 | M. J. G., Inc. | First National Bank of Mission #5 | 10,600 | 42733305 |
| 503062 | Dec 14, 2000 | Dec 14, 2000 | Fina Oil & Chemical Company | Slick, T. B. Estate #133 | 10,000 | 42733304 |
| 502896 | Dec 14, 2000 | Dec 14, 2000 | Samedan Oil Corporation | Escobar #2 | 6,750 | 42733002 |
| 502896Amendment | Dec 14, 2000 | Dec 14, 2000 | Samedan Oil Corporation | Escobar #2 | 6,580 | 42733002 |
| 502788 | Dec 11, 2000 | Dec 11, 2000 | Shell Western E&P | Garza, A. M. State #17 | 9,600 | 42733303 |
| 502846 | Dec 8, 2000 | Dec 8, 2000 | Kerr-McGee Oil & Gas Onshore LLC | Laurel, C. #8 | 5,974 | 42731647 |
| 502665 | Dec 5, 2000 | Dec 5, 2000 | Newgulf Petroleum, LLC | Margo #2 | 5,400 | 42733302 |
| 502665Amendment | Dec 5, 2000 | Dec 5, 2000 | Newgulf Petroleum, LLC | Margo #2 | 5,400 | 42733302 |
| 502654 | Dec 5, 2000 | Dec 5, 2000 | Fina Oil & Chemical Company | Southwest Farm & Ranch #15 | 10,000 | 42733301 |
| 502654Amendment | Dec 5, 2000 | Dec 5, 2000 | Totalfinaelf E&P USA Inc | Southwest Farm & Ranch #15 | 10,000 | 42733301 |
| 502392 | Dec 4, 2000 | Dec 4, 2000 | Samedan Oil Corporation | Martinez B #42 | 7,000 | 42732818 |
| 502480 | Dec 1, 2000 | Dec 1, 2000 | Samedan Oil Corporation | Martinez B #52 | 6,730 | 42733080 |
| 502499 | Nov 30, 2000 | Nov 30, 2000 | Kerr-McGee Oil & Gas Onshore LLC | Frost National Bank -A- #6 | 7,200 | 42733300 |
| 502499Amendment | Nov 30, 2000 | Nov 30, 2000 | Kerr-McGee Oil & Gas Onshore LLC | Frost National Bank -A- #6 | 7,200 | 42733300 |
| 502438 | Nov 29, 2000 | Nov 29, 2000 | Texas Independent Explor., Inc. | Coates 553 #10 | 8,500 | 42733299 |
| 502296 | Nov 22, 2000 | Nov 22, 2000 | Coastal Oil & Gas Corporation | Bentson Brothers #1 | 14,000 | 42733298 |
| 502296Amendment | Nov 22, 2000 | Nov 22, 2000 | Coastal Oil & Gas Corporation | Bentson Brothers #1 | 14,000 | 42733298 |
| 502284 | Nov 22, 2000 | Nov 22, 2000 | Thorp Petroleum Corporation | Salinas, Fausto #1 | 6,100 | 42733297 |
| 502182 | Nov 22, 2000 | Nov 22, 2000 | Dewbre Petroleum Corporation | Cameron Gas Unit #1 | 8,080 | 42701356 |
| 501996 | Nov 20, 2000 | Nov 20, 2000 | Reh Energy, Inc. | Montalvo, N. R. #60 | 1,800 | 42733295 |
| 502067 | Nov 17, 2000 | Nov 17, 2000 | Lynx Energy Company, Inc. | Guerra G #4 | 4,000 | 42733296 |
| 502066 | Nov 17, 2000 | Nov 17, 2000 | Lynx Energy Company, Inc. | Texaco Fee GU #4B | 4,200 | 42733094 |
| 501666Amendment | Nov 17, 2000 | Nov 17, 2000 | Lynx Energy Company, Inc. | Share 92 #3 | 4,000 | 42733289 |
| 502050 | Nov 16, 2000 | Nov 16, 2000 | Kerr-McGee Oil & Gas Onshore LLC | Chapotal Land Co. -B- #23 | 9,500 | 42733294 |
| 502019 | Nov 16, 2000 | Nov 16, 2000 | Coastal Oil & Gas Corporation | Samano #19 | 13,000 | 42733293 |
| 502019Amendment | Nov 16, 2000 | Nov 16, 2000 | Coastal Oil & Gas Corporation | Samano #19 | 13,000 | 42733293 |
| 502005 | Nov 16, 2000 | Nov 16, 2000 | Fina Oil & Chemical Company | Southwest Farm & Ranch-State #14 | 10,000 | 42733292 |
| 501667 | Nov 7, 2000 | Nov 7, 2000 | Lynx Energy Company, Inc. | Share 91 #1 | 6,000 | 42733290 |
| 501666 | Nov 7, 2000 | Nov 7, 2000 | Lynx Energy Company, Inc. | Share 92 #3 | 4,000 | 42733289 |
| 501665 | Nov 7, 2000 | Nov 7, 2000 | Lynx Energy Company, Inc. | Share 92 #2 | 4,000 | 42733288 |
| 501581 | Nov 3, 2000 | Nov 3, 2000 | Fina Oil & Chemical Company | Slick, T. B. Estate #129 | 10,000 | 42733287 |
| 501581Amendment | Nov 3, 2000 | Nov 3, 2000 | Fina Oil & Chemical Company | Slick, T. B. Estate #129 | 10,000 | 42733287 |
| 500169 | Nov 2, 2000 | Nov 2, 2000 | Samedan Oil Corporation | Martinez B #56 | 8,500 | 42733280 |
| 501258 | Oct 26, 2000 | Oct 26, 2000 | Presidio SWD, Inc. | Sekula, F. #1 | 3,750 | 42733286 |
| 501005 | Oct 25, 2000 | Oct 25, 2000 | Lynx Energy Company, Inc. | Share 92 #1 | 6,000 | 42733283 |
| 501177 | Oct 24, 2000 | Oct 24, 2000 | M. J. G., Inc. | Bentsen-Whittington Gas Unit #1 #3 | 10,700 | 42733285 |
| 501149 | Oct 24, 2000 | Oct 24, 2000 | Fina Oil & Chemical Company | Slick, T. B. Estate #117 | 13,000 | 42733214 |
| 501094 | Oct 23, 2000 | Oct 23, 2000 | Newgulf Petroleum, LLC | Margo #1 A | 7,500 | 42733284 |
| 500756 | Oct 16, 2000 | Oct 16, 2000 | Fina Oil & Chemical Company | Slick, T. B. Estate #116 | 13,000 | 42733181 |
| 500786 | Oct 13, 2000 | Oct 13, 2000 | Star of Texas Energy Srvs, Inc. | State Slick #2A #1 | 7,800 | 42732700 |
| 500615 | Oct 10, 2000 | Oct 10, 2000 | Ricochet Energy, Inc. | Nye, F. Gas Unit #2 | 11,848 | 42733065 |
| 500601 | Oct 10, 2000 | Oct 10, 2000 | Texas Independent Explor., Inc. | Coates 553 #13 | 8,500 | 42733282 |
| 500601Amendment | Oct 10, 2000 | Oct 10, 2000 | Texas Independent Explor., Inc. | Coates 553 #13 | 8,500 | 42733282 |
| 500471 | Oct 9, 2000 | Oct 9, 2000 | Fina Oil & Chemical Company | Slick, T. B. Estate #95 | 11,500 | 42731999 |
| 500521 | Oct 6, 2000 | Oct 6, 2000 | Texas Independent Explor., Inc. | Martinez, F. F. 546 #4B | 8,500 | 42733281 |
| 500521Amendment | Oct 6, 2000 | Oct 6, 2000 | Texas Independent Explor., Inc. | Martinez, F. F. 546 #4B | 8,500 | 42733281 |
| 500520 | Oct 6, 2000 | Oct 6, 2000 | M. J. G., Inc. | Texas Osage Gas Unit No. 1 #1 | 8,850 | 42732153 |
| 500520Amendment | Oct 6, 2000 | Oct 6, 2000 | M. J. G., Inc. | Texas Osage Gas Unit No. 1 #1 | 8,850 | 42732153 |
| 500469 | Oct 5, 2000 | Oct 5, 2000 | Fina Oil & Chemical Company | Slick, T. B. Estate #127 | 10,200 | 42733279 |
| 500469Amendment | Oct 5, 2000 | Oct 5, 2000 | Fina Oil & Chemical Company | Slick, T. B. Estate #127 | 10,200 | 42733279 |
| 500356 | Oct 3, 2000 | Oct 3, 2000 | Coastal Oil & Gas Corporation | USA 2 #14 | 14,000 | 42733278 |
| 500307 | Oct 2, 2000 | Oct 2, 2000 | Dominion Expl. & Prod., Inc. | Munoz, Imelda #1 | 8,500 | 42733277 |
| 500307Amendment | Oct 2, 2000 | Oct 2, 2000 | Dominion Expl. & Prod., Inc. | Munoz, Imelda #1 | 8,400 | 42733277 |
| 500222 | Sep 29, 2000 | Sep 29, 2000 | M. J. G., Inc. | First National Bank of Mission #4 | 11,000 | 42733276 |
| 500202 | Sep 29, 2000 | Sep 29, 2000 | Samedan Oil Corporation | Heard #1 | 9,500 | 42733275 |
| 500154 | Sep 28, 2000 | Sep 28, 2000 | Prolithic Energy Company, L.P. | Perez Gas Unit #1 | 6,700 | 42733274 |
| 500154Amendment | Sep 28, 2000 | Sep 28, 2000 | Prolithic Energy Company, L.P. | Perez Gas Unit #1 | 6,900 | 42733274 |
| 500154Amendment | Sep 28, 2000 | Sep 28, 2000 | Prolithic Energy Company, L.P. | Perez Gas Unit #1 | 6,910 | 42733274 |
| 500035 | Sep 25, 2000 | Sep 25, 2000 | Kerr-McGee Oil & Gas Onshore LLC | Hall, J. F. State #24 | 8,420 | 42732766 |