| 524628 | Oct 15, 2002 | Oct 15, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garza Heirs #1 | 7,040 | 42733467 |
| 524628Amendment | Oct 15, 2002 | Oct 15, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garza Heirs #1 | 7,040 | 42733467 |
| 524478 | Oct 9, 2002 | Oct 9, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Yturria L & L -B- #7 | 11,000 | 42733541 |
| 524287 | Oct 3, 2002 | Oct 3, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Saenz, M.-State- #21 | 9,373 | 42731153 |
| 524249 | Oct 2, 2002 | Oct 2, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Liberty | Kerr-McGee Etal Fee -A- #1 | 10,850 | 29132454 |
| 523420 | Sep 6, 2002 | Sep 6, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Laurel, C. #11 | 6,795 | 42733327 |
| 522651 | Aug 9, 2002 | Aug 9, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Herbert & Broussard #8 | 12,335 | 07132200 |
| 522374 | Jul 31, 2002 | Jul 31, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | White Estate A #15 | 13,700 | 07132229 |
| 522172 | Jul 25, 2002 | Jul 25, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Ogden, et Al #1 | 8,700 | 07132228 |
| 521537 | Jul 2, 2002 | Jul 2, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I.Y. #34 | 12,200 | 42733504 |
| 521537Amendment | Jul 2, 2002 | Jul 2, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I.Y. #34 | 12,200 | 42733504 |
| 521537Amendment | Jul 2, 2002 | Jul 2, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I.Y. #34 | 12,200 | 42733504 |
| 521175 | Jun 19, 2002 | Jun 19, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Yturria L & L Co. -B- #6 | 5,600 | 42733496 |
| 521175Amendment | Jun 19, 2002 | Jun 19, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Yturria L & L Co. -B- #6 | 5,600 | 42733496 |
| 520591 | Jun 3, 2002 | Jun 3, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia-Yturria "a" Unit #2 | 11,300 | 42733491 |
| 520526 | May 31, 2002 | May 31, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garza, C. L. #38 | 8,718 | 42733336 |
| 520210 | May 21, 2002 | May 21, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Hidalgo | Garcia, J. A. #10 | 11,500 | 21532991 |
| 519638 | May 2, 2002 | May 2, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Alvarez-Hinojosa Gas Unit #4 | 9,750 | 42733316 |
| 519239 | Apr 19, 2002 | Apr 19, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, J. A. #9 | 12,000 | 42733474 |
| 519209 | Apr 18, 2002 | Apr 18, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Frost National Bank -B- #35 | 4,625 | 42733473 |
| 519208 | Apr 18, 2002 | Apr 18, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Chapotal Land Co. -B- #24 | 4,800 | 42733472 |
| 519208Amendment | Apr 18, 2002 | Apr 18, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Chapotal Land Co. -B- #24 | 4,800 | 42733472 |
| 518773 | Apr 3, 2002 | Apr 3, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garza Heirs #1 | 7,200 | 42733467 |
| 518773Amendment | Apr 3, 2002 | Apr 3, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garza Heirs #1 | 7,200 | 42733467 |
| 518587 | Mar 26, 2002 | Mar 26, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I. Y. #33 | 12,500 | 42733464 |
| 517684 | Feb 19, 2002 | Feb 19, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I.Y. #32 | 12,500 | 42733455 |
| 517194 | Feb 7, 2002 | Feb 7, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Hermann, A. G. Gas Unit #3 | 6,164 | 42732188 |
| 516382Amendment | Feb 4, 2002 | Feb 4, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick, T. B. A-485 #139 | 7,397 | 42704826 |
| 517151 | Jan 28, 2002 | Jan 28, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I. Y. #16 | 8,860 | 42732531 |
| 516981 | Jan 22, 2002 | Jan 22, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Claypool, Colby #2 | 13,600 | 07132221 |
| 516829 | Jan 15, 2002 | Jan 15, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Hall, J. F. State -A- #19 | 10,000 | 42733448 |
| 516694 | Jan 9, 2002 | Jan 9, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Frost National Bank -A- #5 | 6,766 | 42733266 |
| 516694Amendment | Jan 9, 2002 | Jan 9, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Frost National Bank -A- #5 | 5,766 | 42733266 |
| 516660 | Jan 8, 2002 | Jan 8, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | White Estate A #14 | 12,050 | 07132219 |
| 516660Amendment | Jan 8, 2002 | Jan 8, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | White Estate A #14 | 12,050 | 07132219 |
| 516660Amendment | Jan 8, 2002 | Jan 8, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | White Estate "A" #14 | 13,000 | 07132219 |
| 516659 | Jan 8, 2002 | Jan 8, 2002 | Kerr-McGee Oil & Gas Onshore LLC | Hidalgo | Yturria L & L -C- #8 | 13,000 | 21532958 |
| 515742 | Nov 30, 2001 | Nov 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Barrow Ranch #1 | 13,500 | 07132216 |
| 515742Amendment | Nov 30, 2001 | Nov 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Barrow Ranch #1 | 13,500 | 07132216 |
| 515330 | Nov 14, 2001 | Nov 14, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, J. A. #8 | 12,000 | 42733426 |
| 515285 | Nov 12, 2001 | Nov 12, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, J. A. #7 | 12,000 | 42733424 |
| 514971 | Nov 1, 2001 | Nov 1, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Frost National Bank -A- #6 | 5,346 | 42733300 |
| 514846 | Oct 29, 2001 | Oct 29, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | J. W. Kincaid Gas Unit #1 | 11,000 | 42733420 |
| 514694 | Oct 23, 2001 | Oct 23, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Hall, J.F.-State #27 | 8,200 | 42733419 |
| 514694Amendment | Oct 23, 2001 | Oct 23, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Hall, J. F.-State #27 | 8,400 | 42733419 |
| 514351 | Oct 10, 2001 | Oct 10, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Hidalgo | Yturria L & L -C- #10 | 13,000 | 21532940 |
| 513571 | Sep 18, 2001 | Sep 18, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Yturria L&L -C- #7 | 11,730 | 42732646 |
| 513595 | Sep 14, 2001 | Sep 14, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I. Y. #18 | 10,166 | 42732582 |
| 512756 | Aug 20, 2001 | Aug 20, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Montalvo, N. R. #15 | 12,000 | 42733402 |
| 512756Amendment | Aug 20, 2001 | Aug 20, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Montalvo, N. R. #15 | 12,000 | 42733402 |
| 512705 | Aug 17, 2001 | Aug 17, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia L&L Co. -C- #16 | 8,000 | 42733256 |
| 512703 | Aug 17, 2001 | Aug 17, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Montalvo, I. V. -A- #3 | 4,740 | 42700603 |
| 512613 | Aug 15, 2001 | Aug 15, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I. Y. #31 | 12,000 | 42733398 |
| 512285 | Aug 6, 2001 | Aug 6, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | White, J. T. -B- #3 | 14,451 | 07130901 |
| 511634 | Jul 19, 2001 | Jul 19, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garza, C. L. #39 | 8,000 | 42733393 |
| 510529 | Jun 20, 2001 | Jun 20, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Hidalgo | Garcia-Yturria -C- Gas Unit #2 | 13,000 | 21532912 |
| 510529Amendment | Jun 20, 2001 | Jun 20, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Hidalgo | Garcia-Yturria -C- Gas Unit #2 | 13,000 | 21532912 |
| 510392 | Jun 18, 2001 | Jun 18, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Hidalgo | Yturria L&C -B- #9 | 13,100 | 21532908 |
| 509488 | May 29, 2001 | May 29, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I. Y. #30 | 13,000 | 42733373 |
| 509487 | May 29, 2001 | May 29, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Hidalgo | Garcia, J. A. #5 | 13,000 | 21532901 |
| 509487Amendment | May 29, 2001 | May 29, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Hidalgo | Garcia, J. A. #5 | 13,000 | 21532901 |
| 509486 | May 29, 2001 | May 29, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, J. A. #4 | 13,000 | 42733374 |
| 509340 | May 23, 2001 | May 23, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Hutchinson | K. L. West Unit #1 | 8,427 | 23300092 |
| 509240 | May 21, 2001 | May 21, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Hidalgo | Scherpe, Peter Van #2 | 12,325 | 21530192 |
| 509237 | May 21, 2001 | May 21, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I. Y. #28 | 13,000 | 42733368 |
| 505405 | May 16, 2001 | May 16, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I. Y. #26 | 13,000 | 42733332 |
| 505404 | May 16, 2001 | May 16, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I. Y. #25 | 13,000 | 42733331 |
| 508686 | May 8, 2001 | May 8, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Hidalgo | Garcia, J. A. #6 | 13,000 | 21532892 |
| 508339 | Apr 30, 2001 | Apr 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I. Y. #29 | 13,000 | 42733360 |
| 508231 | Apr 26, 2001 | Apr 26, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Kleberg | Canales, A. T. #92 | 11,230 | 27332415 |
| 508142 | Apr 24, 2001 | Apr 24, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick Estate -C- #14 | 8,990 | 42733133 |
| 508141 | Apr 24, 2001 | Apr 24, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Kleberg | Canales, A. T. #94 | 12,100 | 27332414 |
| 507594 | Apr 10, 2001 | Apr 10, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | A. G. Hermann Gas Unit #4 | 6,040 | 42732527 |
| 507230 | Mar 30, 2001 | Mar 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Hall, C. M. -A- #12 | 9,500 | 42733348 |
| 507229 | Mar 30, 2001 | Mar 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Speer, George H. #23 | 9,300 | 42733349 |
| 507228 | Mar 30, 2001 | Mar 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick Estate -C- #17 | 10,000 | 42733350 |
| 507228Amendment | Mar 30, 2001 | Mar 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick Estate -C- #17 | 9,900 | 42733350 |
| 507228Amendment | Mar 30, 2001 | Mar 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick Estate C #17 | 9,900 | 42733350 |
| 507228Amendment | Mar 30, 2001 | Mar 30, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick Estate C #17 | 10,000 | 42733350 |
| 507164 | Mar 29, 2001 | Mar 29, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick Estate -C- #16 | 10,000 | 42733347 |
| 507164Amendment | Mar 29, 2001 | Mar 29, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Slick Estate -C- #16 | 10,500 | 42733347 |
| 507163 | Mar 29, 2001 | Mar 29, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Jim Wells | Canales, A. T. #93 | 7,800 | 24932354 |
| 505916 | Mar 23, 2001 | Mar 23, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Frost National Bank -A- #7 | 7,800 | 42733337 |
| 505916Amendment | Mar 23, 2001 | Mar 23, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Frost National Bank -A- #7 | 8,380 | 42733337 |
| 505916Amendment | Mar 23, 2001 | Mar 23, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Frost National Bank -A- #7 | 7,800 | 42733337 |
| 506449 | Mar 13, 2001 | Mar 13, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, L & L Co. -C- #13 | 5,490 | 42732705 |
| 506388 | Mar 12, 2001 | Mar 12, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Jim Wells | Canales, A. T. #61 | 9,000 | 24931829 |
| 506186 | Mar 12, 2001 | Mar 12, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Hidalgo | Garcia-Yturria -B- Gas Unit #2 | 13,000 | 21532867 |
| 505322 | Mar 9, 2001 | Mar 9, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I. Y. #24 | 13,000 | 42733330 |
| 506130 | Mar 6, 2001 | Mar 6, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Chambers | Hebert & Broussard #8 | 12,950 | 07132200 |
| 504994 | Mar 5, 2001 | Mar 5, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Hidalgo | Yturria L & C -B- #7 | 13,409 | 21532856 |
| 505917 | Feb 28, 2001 | Feb 28, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Alvarez-Hinojosa Gas Unit #2 | 5,930 | 42732343 |
| 505915 | Feb 28, 2001 | Feb 28, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | De Garza, C. L. #38 | 8,800 | 42733336 |
| 505857 | Feb 27, 2001 | Feb 27, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Jim Wells | Canales, A. T. #48 | 7,300 | 24903721 |
| 505856 | Feb 27, 2001 | Feb 27, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Saenz, M. -State- #23 | 6,400 | 42731859 |
| 505403 | Feb 16, 2001 | Feb 16, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Hidalgo | Yturria L&C -B- #8 | 13,100 | 21532860 |
| 505323 | Feb 14, 2001 | Feb 14, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Hidalgo | Garcia Yturria -C- Gas Unit #1 | 13,000 | 21532858 |
| 505263 | Feb 13, 2001 | Feb 13, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I. Y. #16 | 8,860 | 42732531 |
| 505186 | Feb 12, 2001 | Feb 12, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | Garcia, I. Y. #27 | 13,000 | 42733329 |
| 505111 | Feb 9, 2001 | Feb 9, 2001 | Kerr-McGee Oil & Gas Onshore LLC | Starr | A. G. Hermann Gas Unit #6 | 6,120 | 42732881 |