| 510003 | Jun 8, 2001 | Jun 8, 2001 | Texas Independent Explor., Inc. | Slick, T. B. A-535 #165 | 10,500 | 42732510 |
| 510003Amendment | Jun 8, 2001 | Jun 8, 2001 | Texas Independent Explor., Inc. | Slick, T. B. A-535 #165 | 6,725 | 42732510 |
| 510002 | Jun 8, 2001 | Jun 8, 2001 | Texas Independent Explor., Inc. | Coates 553 #9 | 9,000 | 42733379 |
| 509820 | Jun 5, 2001 | Jun 5, 2001 | Dewbre Petroleum Corporation | Don Cameron et al G. U. #7A | 10,500 | 42733378 |
| 509696 | Jun 1, 2001 | Jun 1, 2001 | Texas Independent Explor., Inc. | Yzaguirre 227 #4 | 9,000 | 42733377 |
| 509672 | May 31, 2001 | May 31, 2001 | Thorp Petroleum Corporation | Salinas, Fausto et Al #3 | 10,000 | 42733376 |
| 509672Amendment | May 31, 2001 | May 31, 2001 | Thorp Petroleum Corporation | Salinas, Fausto et Al #3 | 10,000 | 42733376 |
| 509669 | May 31, 2001 | May 31, 2001 | Coastal Oil & Gas Corporation | Samano #22 | 15,000 | 42733375 |
| 509488 | May 29, 2001 | May 29, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Garcia, I. Y. #30 | 13,000 | 42733373 |
| 509486 | May 29, 2001 | May 29, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Garcia, J. A. #4 | 13,000 | 42733374 |
| 509456 | May 25, 2001 | May 25, 2001 | Thorp Petroleum Corporation | Salinas, Fausto et Al #4 | 10,000 | 42733372 |
| 509231 | May 25, 2001 | May 25, 2001 | BNP Petroleum Corporation | CNG et al Unit #1 | 6,200 | 42733198 |
| 509345 | May 23, 2001 | May 23, 2001 | Texas Independent Explor., Inc. | Slick 541 #6 | 8,500 | 42733371 |
| 509344 | May 23, 2001 | May 23, 2001 | Texas Independent Explor., Inc. | Coates 553 #8 | 8,500 | 42733370 |
| 509237 | May 21, 2001 | May 21, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Garcia, I. Y. #28 | 13,000 | 42733368 |
| 509077 | May 16, 2001 | May 16, 2001 | Totalfinaelf E&P USA Inc | Slick, T. B. Estate #131 | 15,000 | 42733367 |
| 508214 | May 16, 2001 | May 16, 2001 | Exxon Mobil Corporation | McGill Bros. #561 | 8,000 | 42733357 |
| 505405 | May 16, 2001 | May 16, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Garcia, I. Y. #26 | 13,000 | 42733332 |
| 505404 | May 16, 2001 | May 16, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Garcia, I. Y. #25 | 13,000 | 42733331 |
| 508369 | May 15, 2001 | May 15, 2001 | Reh Energy, Inc. | Saenz, Vicente State "C" #8 | 4,850 | 42733362 |
| 508215 | May 15, 2001 | May 15, 2001 | Exxon Mobil Corporation | Juarez, Miguel #10 | 8,000 | 42733358 |
| 508768 | May 10, 2001 | May 10, 2001 | Edge Petroleum Oper. Co., Inc. | Margo #3 | 5,800 | 42733366 |
| 508766 | May 10, 2001 | May 10, 2001 | Samedan Oil Corporation | State LMB Partnership #1 | 9,500 | 42733365 |
| 508766Amendment | May 10, 2001 | May 10, 2001 | Samedan Oil Corporation | State LMB Partnership #1 | 9,500 | 42733365 |
| 508697 | May 8, 2001 | May 8, 2001 | Conoco Inc. | Wehrle, E. F. 220 #9 | 6,350 | 42732507 |
| 508622 | May 7, 2001 | May 7, 2001 | Texas Independent Explor., Inc. | Slick 539 #20 | 8,200 | 42733364 |
| 508621 | May 7, 2001 | May 7, 2001 | Texas Independent Explor., Inc. | Slick 539 #19 | 8,200 | 42733363 |
| 508340 | Apr 30, 2001 | Apr 30, 2001 | Texas Independent Explor., Inc. | Coates 553 #14 | 9,000 | 42733361 |
| 508339 | Apr 30, 2001 | Apr 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Garcia, I. Y. #29 | 13,000 | 42733360 |
| 508219 | Apr 26, 2001 | Apr 26, 2001 | Coastal Oil & Gas Corporation | Samano #21 | 13,000 | 42733359 |
| 508219Amendment | Apr 26, 2001 | Apr 26, 2001 | Coastal Oil & Gas Corporation | Samano #21 | 13,000 | 42733359 |
| 508142 | Apr 24, 2001 | Apr 24, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Slick Estate -C- #14 | 8,990 | 42733133 |
| 508049 | Apr 20, 2001 | Apr 20, 2001 | Totalfinaelf E&P USA Inc | Slick, T. B. Estate #108 | 7,752 | 42732890 |
| 508048 | Apr 20, 2001 | Apr 20, 2001 | Totalfinaelf E&P USA Inc | Southwest Farm & Ranch-State #7 | 10,200 | 42732999 |
| 507943 | Apr 19, 2001 | Apr 19, 2001 | Conoco Inc. | Slick, T. B. Estate A-527 #185 | 6,220 | 42733107 |
| 507852 | Apr 19, 2001 | Apr 19, 2001 | Texas Independent Explor., Inc. | Mayfair Labrisa #2 | 6,000 | 42732395 |
| 507767 | Apr 13, 2001 | Apr 13, 2001 | M. J. G., Inc. | Garcia "B" #8 | 10,500 | 42733356 |
| 507767Amendment | Apr 13, 2001 | Apr 13, 2001 | M. J. G., Inc. | Garcia "B" #8 | 11,000 | 42733356 |
| 507767Amendment | Apr 13, 2001 | Apr 13, 2001 | Peoples Energy Prod.-TX, L.P. | Garcia "B" #8 | 11,000 | 42733356 |
| 507748 | Apr 12, 2001 | Apr 12, 2001 | Totalfinaelf E&P USA Inc | Slick, T. B. Estate #132 | 10,000 | 42733355 |
| 507748Amendment | Apr 12, 2001 | Apr 12, 2001 | Totalfinaelf E&P USA Inc | Slick, T. B. Estate #132 | 15,000 | 42733355 |
| 507340 | Apr 11, 2001 | Apr 11, 2001 | Barrett Brothers Oil & Gas, Inc. | Echols #1 | 5,900 | 42733351 |
| 507651 | Apr 10, 2001 | Apr 10, 2001 | Exxon Mobil Corporation | McGill Bros. #560 | 8,000 | 42733354 |
| 507640 | Apr 10, 2001 | Apr 10, 2001 | GMT Inc. | Neblett #4 | 10,200 | 42733353 |
| 507640Amendment | Apr 10, 2001 | Apr 10, 2001 | Exxon Mobil Corporation | Howell, J.J. #8 | 10,000 | 42733353 |
| 507594 | Apr 10, 2001 | Apr 10, 2001 | Kerr-McGee Oil & Gas Onshore LLC | A. G. Hermann Gas Unit #4 | 6,040 | 42732527 |
| 507502 | Apr 6, 2001 | Apr 6, 2001 | Coastal Oil & Gas Corporation | Luera State Gas Unit "A" #5 | 16,500 | 42733352 |
| 507502Amendment | Apr 6, 2001 | Apr 6, 2001 | Coastal Oil & Gas Corporation | Luera State Gas Unit "A" #5 | 16,500 | 42733352 |
| 507230 | Mar 30, 2001 | Mar 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Hall, C. M. -A- #12 | 9,500 | 42733348 |
| 507229 | Mar 30, 2001 | Mar 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Speer, George H. #23 | 9,300 | 42733349 |
| 507228 | Mar 30, 2001 | Mar 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Slick Estate -C- #17 | 10,000 | 42733350 |
| 507228Amendment | Mar 30, 2001 | Mar 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Slick Estate -C- #17 | 9,900 | 42733350 |
| 507228Amendment | Mar 30, 2001 | Mar 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Slick Estate C #17 | 9,900 | 42733350 |
| 507228Amendment | Mar 30, 2001 | Mar 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Slick Estate C #17 | 10,000 | 42733350 |
| 507164 | Mar 29, 2001 | Mar 29, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Slick Estate -C- #16 | 10,000 | 42733347 |
| 507164Amendment | Mar 29, 2001 | Mar 29, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Slick Estate -C- #16 | 10,500 | 42733347 |
| 506779 | Mar 26, 2001 | Mar 26, 2001 | Texas Independent Explor., Inc. | Alvarado, Francisco et UX #1 | 8,700 | 42732494 |
| 506724 | Mar 26, 2001 | Mar 26, 2001 | Texas Independent Explor., Inc. | Mayfair Labrisa #5 | 7,268 | 42733190 |
| 506944 | Mar 23, 2001 | Mar 23, 2001 | M. J. G., Inc. | Guerra Bros. #5 | 10,800 | 42733346 |
| 505916 | Mar 23, 2001 | Mar 23, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Frost National Bank -A- #7 | 7,800 | 42733337 |
| 505916Amendment | Mar 23, 2001 | Mar 23, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Frost National Bank -A- #7 | 8,380 | 42733337 |
| 505916Amendment | Mar 23, 2001 | Mar 23, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Frost National Bank -A- #7 | 7,800 | 42733337 |
| 505760 | Mar 21, 2001 | Mar 21, 2001 | Texas Independent Explor., Inc. | Martinez, F. F. 546 #5B | 8,300 | 42733335 |
| 506560 | Mar 16, 2001 | Mar 16, 2001 | Coastal Oil & Gas Corporation | USA 1 #1 | 11,970 | 42732537 |
| 506449 | Mar 13, 2001 | Mar 13, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Garcia, L & L Co. -C- #13 | 5,490 | 42732705 |
| 506375 | Mar 12, 2001 | Mar 12, 2001 | Conoco Inc. | Slick, T. B. B 528 #191 | 6,693 | 42733345 |
| 506304 | Mar 9, 2001 | Mar 9, 2001 | M. J. G., Inc. | Celestino Garza Gas Unit #8 | 10,600 | 42733344 |
| 505322 | Mar 9, 2001 | Mar 9, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Garcia, I. Y. #24 | 13,000 | 42733330 |
| 506245 | Mar 8, 2001 | Mar 8, 2001 | Neuhaus, V. F. Properties, Inc. | Farias Unit #2 | 1,570 | 42732114 |
| 506071 | Mar 8, 2001 | Mar 8, 2001 | Osborn,w.b. Oil & Gas Operations | Cameron #3509 | 7,000 | 42733340 |
| 506071Amendment | Mar 8, 2001 | Mar 8, 2001 | Osborn,w.b. Oil & Gas Operations | Cameron #3509 | 7,000 | 42733340 |
| 506190 | Mar 7, 2001 | Mar 7, 2001 | Dominion Expl. & Prod., Inc. | Buchholz, William R. #1 | 8,600 | 42733343 |
| 506187 | Mar 7, 2001 | Mar 7, 2001 | El Paso Production Company | Ramirez #1 | 14,500 | 42733342 |
| 506156 | Mar 7, 2001 | Mar 7, 2001 | Texas Independent Explor., Inc. | Mayfair Labrisa #9 | 8,000 | 42733341 |
| 506148 | Mar 6, 2001 | Mar 6, 2001 | M. J. G., Inc. | Barrera #1 | 9,569 | 42733260 |
| 506014 | Mar 2, 2001 | Mar 2, 2001 | M. J. G., Inc. | Bentsen-Whittington Gas Unit #1 #5 | 10,500 | 42733338 |
| 506014Amendment | Mar 2, 2001 | Mar 2, 2001 | M. J. G., Inc. | Bentsen-Whittington Gas Unit #1 #5 | 11,500 | 42733338 |
| 505961 | Mar 1, 2001 | Mar 1, 2001 | Shell Western E&P | Barrera, F. State #4 | 10,810 | 42731382 |
| 505917 | Feb 28, 2001 | Feb 28, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Alvarez-Hinojosa Gas Unit #2 | 5,930 | 42732343 |
| 505915 | Feb 28, 2001 | Feb 28, 2001 | Kerr-McGee Oil & Gas Onshore LLC | De Garza, C. L. #38 | 8,800 | 42733336 |
| 505856 | Feb 27, 2001 | Feb 27, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Saenz, M. -State- #23 | 6,400 | 42731859 |
| 505249 | Feb 22, 2001 | Feb 22, 2001 | WJW Operating Co.,llc | Cantu #1 | 5,916 | 42732907 |
| 505564 | Feb 20, 2001 | Feb 20, 2001 | Totalfinaelf E&P USA Inc | Southwest Farm & Ranch - State #16 | 10,000 | 42733334 |
| 505408 | Feb 15, 2001 | Feb 15, 2001 | Coastal Oil & Gas Corporation | Samano #20 | 13,000 | 42733333 |
| 505263 | Feb 13, 2001 | Feb 13, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Garcia, I. Y. #16 | 8,860 | 42732531 |
| 505186 | Feb 12, 2001 | Feb 12, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Garcia, I. Y. #27 | 13,000 | 42733329 |
| 505159 | Feb 9, 2001 | Feb 9, 2001 | M. J. G., Inc. | Bentsen-Whittington Gas Unit #1 #4 | 10,600 | 42733328 |
| 505111 | Feb 9, 2001 | Feb 9, 2001 | Kerr-McGee Oil & Gas Onshore LLC | A. G. Hermann Gas Unit #6 | 6,120 | 42732881 |
| 505053 | Feb 7, 2001 | Feb 7, 2001 | Coastal Oil & Gas Corporation | USA 1 #3 | 12,150 | 42732577 |
| 504897 | Feb 2, 2001 | Feb 2, 2001 | Conoco Inc. | Slick, T. B. A-229 #179 | 6,460 | 42733020 |
| 504897Amendment | Feb 2, 2001 | Feb 2, 2001 | Conoco Inc. | Slick, T. B. A-229 #179 | 6,600 | 42733020 |
| 504781 | Jan 31, 2001 | Jan 31, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Laurel, C. #11 | 8,650 | 42733327 |
| 504751 | Jan 31, 2001 | Jan 31, 2001 | Texas Independent Explor., Inc. | Slick 531 #4 | 7,200 | 42733326 |
| 504693 | Jan 30, 2001 | Jan 30, 2001 | Thorp Petroleum Corporation | Salinas, Fausto #2 | 10,300 | 42733325 |
| 504693Amendment | Jan 30, 2001 | Jan 30, 2001 | Thorp Petroleum Corporation | Salinas, Fausto #2 | 10,300 | 42733325 |
| 504693Amendment | Jan 30, 2001 | Jan 30, 2001 | Thorp Petroleum Corporation | Salinas, Fausto #2 | 10,300 | 42733325 |
| 504552 | Jan 26, 2001 | Jan 26, 2001 | Samedan Oil Corporation | Barrera-Yzaguirre #1 | 5,800 | 42733324 |
| 504502 | Jan 25, 2001 | Jan 25, 2001 | Samedan Oil Corporation | Guillen, M. P. #1 | 5,500 | 42733323 |
| 504235 | Jan 25, 2001 | Jan 25, 2001 | WJW Operating Co.,llc | Cantu #2 | 6,500 | 42732943 |
| 504443 | Jan 23, 2001 | Jan 23, 2001 | Totalfinaelf E&P USA Inc | Slick, T. B. Estate #130 | 11,000 | 42733322 |