| 533846 | Jul 7, 2003 | Jul 7, 2003 | United Oil & Minerals L. P. | Brooks | Cage Ranch II #6472 | 10,200 | 04731785 |
| 533252 | Jun 18, 2003 | Jun 18, 2003 | United Oil & Minerals L. P. | Brooks | Garcia Gas Unit 2 #2 | 12,000 | 04732083 |
| 533072 | Jun 13, 2003 | Jun 13, 2003 | United Oil & Minerals L. P. | Lavaca | Stovall #1 | 13,450 | 28532946 |
| 532760 | Jun 5, 2003 | Jun 5, 2003 | United Oil & Minerals L. P. | Brooks | Garcia-Rupp Gas Unit #5 | 11,000 | 04732077 |
| 532660 | Jun 2, 2003 | Jun 2, 2003 | United Oil & Minerals L. P. | Brooks | Cage Ranch #18 | 11,500 | 04732076 |
| 532491 | May 29, 2003 | May 29, 2003 | United Oil & Minerals L. P. | Brooks | Cage Ranch State-Tract #2601 | 9,900 | 04731829 |
| 532490 | May 29, 2003 | May 29, 2003 | United Oil & Minerals L. P. | Brooks | Cage Ranch #17 | 10,000 | 04732071 |
| 532301 | May 23, 2003 | May 23, 2003 | United Oil & Minerals L. P. | Brooks | Rupp/*noll Sand Gas Unit #6 | 10,000 | 04732070 |
| 531746 | May 9, 2003 | May 9, 2003 | United Oil & Minerals L. P. | Nueces | Chapman Ranch #3 | 10,000 | 35533547 |
| 531115 | Apr 28, 2003 | Apr 28, 2003 | United Oil & Minerals L. P. | Webb | Vaquillas 135 #3 | 10,500 | 47938406 |
| 531114 | Apr 25, 2003 | Apr 25, 2003 | United Oil & Minerals L. P. | Webb | Vaquillas Ranch 1631 #10 | 10,500 | 47938405 |
| 529928 | Mar 25, 2003 | Mar 25, 2003 | United Oil & Minerals L. P. | Hidalgo | Swallow Unit #2 | 9,200 | 21533093 |
| 529528 | Mar 13, 2003 | Mar 13, 2003 | United Oil & Minerals L. P. | Brooks | Rupp #5 | 12,500 | 04732052 |
| 529286 | Mar 11, 2003 | Mar 11, 2003 | United Oil & Minerals L. P. | Hidalgo | Texan Gardens #1 | 13,000 | 21533021 |
| 529303 | Mar 7, 2003 | Mar 7, 2003 | United Oil & Minerals L. P. | Lavaca | Cranz #1 | 16,500 | 28533009 |
| 527610 | Jan 23, 2003 | Jan 23, 2003 | United Oil & Minerals L. P. | Webb | Link Ranch #6 | 9,000 | 47938313 |
| 527477 | Jan 21, 2003 | Jan 21, 2003 | United Oil & Minerals L. P. | Zapata | Mecom, J. W. #118 | 10,500 | 50534655 |
| 527476 | Jan 21, 2003 | Jan 21, 2003 | United Oil & Minerals L. P. | Zapata | Mecom, J. W. #117 | 10,500 | 50534654 |
| 527476Amendment | Jan 21, 2003 | Jan 21, 2003 | United Oil & Minerals L. P. | Zapata | Mecom, J. W. #117 | 10,500 | 50534654 |
| 527476Amendment | Jan 21, 2003 | Jan 21, 2003 | United Oil & Minerals L. P. | Zapata | Mecom, J. W. #117 | 9,000 | 50534654 |
| 527475 | Jan 21, 2003 | Jan 21, 2003 | United Oil & Minerals L. P. | Zapata | Mecom, J. W. #116 | 10,500 | 50534653 |
| 526857 | Jan 3, 2003 | Jan 3, 2003 | United Oil & Minerals L. P. | Jackson | Jackson-Williams #3 | 13,000 | 23933195 |
| 526334 | Dec 13, 2002 | Dec 13, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch #16 | 12,000 | 04732034 |
| 526333 | Dec 13, 2002 | Dec 13, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch #8 | 9,001 | 04731973 |
| 526216 | Dec 10, 2002 | Dec 10, 2002 | United Oil & Minerals L. P. | Webb | McKendrick #19 | 10,500 | 47938279 |
| 526215 | Dec 10, 2002 | Dec 10, 2002 | United Oil & Minerals L. P. | Webb | McKendrick #18 | 10,500 | 47938278 |
| 526160 | Dec 5, 2002 | Dec 5, 2002 | United Oil & Minerals L. P. | Jackson | Goff #2 | 4,000 | 23933154 |
| 526086 | Dec 5, 2002 | Dec 5, 2002 | United Oil & Minerals L. P. | Hidalgo | Edinburg Improvement Association #5 | 9,000 | 21531994 |
| 525844 | Nov 27, 2002 | Nov 27, 2002 | United Oil & Minerals L. P. | Lavaca | Freeman #1 | 3,720 | 28532837 |
| 525738 | Nov 21, 2002 | Nov 21, 2002 | United Oil & Minerals L. P. | Lavaca | Pilgreen #5 | 11,880 | 28532589 |
| 525737 | Nov 21, 2002 | Nov 21, 2002 | United Oil & Minerals L. P. | Lavaca | Pilgreen #1 | 11,850 | 28532338 |
| 524541 | Nov 5, 2002 | Nov 5, 2002 | United Oil & Minerals L. P. | Lavaca | Pilgreen #14 | 11,600 | 28532795 |
| 525054 | Oct 29, 2002 | Oct 29, 2002 | United Oil & Minerals L. P. | Webb | McKendrick #3 | 7,600 | 47933790 |
| 525054Amendment | Oct 29, 2002 | Oct 29, 2002 | United Oil & Minerals L. P. | Webb | McKendrick #3 | 9,000 | 47933790 |
| 525053 | Oct 29, 2002 | Oct 29, 2002 | United Oil & Minerals L. P. | Wharton | Henderson #1 | 2,850 | 48133684 |
| 524622 | Oct 15, 2002 | Oct 15, 2002 | United Oil & Minerals L. P. | Bee | Schroeder Unit #1 | 10,000 | 02533191 |
| 524621 | Oct 15, 2002 | Oct 15, 2002 | United Oil & Minerals L. P. | Brooks | Miller Ranch #4 | 10,000 | 04732028 |
| 524272 | Oct 3, 2002 | Oct 3, 2002 | United Oil & Minerals L. P. | Brooks | Miller Ranch #3 | 10,000 | 04732026 |
| 524270 | Oct 3, 2002 | Oct 3, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch #15 | 10,500 | 04732025 |
| 524269 | Oct 3, 2002 | Oct 3, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch #13 | 9,000 | 04732024 |
| 524269Amendment | Oct 3, 2002 | Oct 3, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch #13 | 10,500 | 04732024 |
| 524268 | Oct 3, 2002 | Oct 3, 2002 | United Oil & Minerals L. P. | Hidalgo | Zamora Unit #2 | 9,000 | 21531651 |
| 524109 | Sep 27, 2002 | Sep 27, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch State Gas Unit I #7103 | 8,600 | 04731780 |
| 523874 | Sep 20, 2002 | Sep 20, 2002 | United Oil & Minerals L. P. | Hidalgo | Hidlago - Willacy #3A | 8,745 | 21531655 |
| 523658 | Sep 13, 2002 | Sep 13, 2002 | United Oil & Minerals L. P. | Bee | Turner Unit #1 | 10,000 | 02533187 |
| 532504 | Sep 6, 2002 | Sep 6, 2002 | United Oil & Minerals L. P. | Hidalgo | Garcia, E. #1 | 9,250 | 21530917 |
| 523433 | Sep 6, 2002 | Sep 6, 2002 | United Oil & Minerals L. P. | Hidalgo | Texan Gardens #1 | 13,000 | 21533021 |
| 523095 | Aug 26, 2002 | Aug 26, 2002 | United Oil & Minerals L. P. | Hidalgo | Heard #3 | 9,000 | 21531865 |
| 523095Amendment | Aug 26, 2002 | Aug 26, 2002 | United Oil & Minerals L. P. | Hidalgo | Heard #3 | 9,000 | 21531865 |
| 523095Amendment | Aug 26, 2002 | Aug 26, 2002 | United Oil & Minerals L. P. | Hidalgo | Heard Gas Unit #3 | 9,000 | 21531865 |
| 523094 | Aug 26, 2002 | Aug 26, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch 28 #1 | 8,635 | 04731886 |
| 523093 | Aug 26, 2002 | Aug 26, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch II #7092 | 9,400 | 04731775 |
| 522936 | Aug 20, 2002 | Aug 20, 2002 | United Oil & Minerals L. P. | Lavaca | Cullen Unit #7 | 16,000 | 28532983 |
| 522793 | Aug 15, 2002 | Aug 15, 2002 | United Oil & Minerals L. P. | Hidalgo | Hidalgo Willacy #15B | 8,200 | 21532108 |
| 522792 | Aug 15, 2002 | Aug 15, 2002 | United Oil & Minerals L. P. | Webb | Barrera-Leyendecker #103 | 8,900 | 47938188 |
| 522670 | Aug 9, 2002 | Aug 9, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch #14 | 9,000 | 04732014 |
| 522670Amendment | Aug 9, 2002 | Aug 9, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch #14 | 9,000 | 04732014 |
| 522608 | Aug 8, 2002 | Aug 8, 2002 | United Oil & Minerals L. P. | Lavaca | United SWD #2R | 3,000 | 28532981 |
| 522432 | Aug 1, 2002 | Aug 1, 2002 | United Oil & Minerals L. P. | Wharton | Rose - Sample #1 | 9,000 | 48134462 |
| 522387 | Jul 31, 2002 | Jul 31, 2002 | United Oil & Minerals L. P. | Brooks | Miller Ranch #2 | 10,000 | 04732013 |
| 522385 | Jul 31, 2002 | Jul 31, 2002 | United Oil & Minerals L. P. | Lavaca | Stovall #2 | 14,500 | 28532978 |
| 522384 | Jul 31, 2002 | Jul 31, 2002 | United Oil & Minerals L. P. | Lavaca | Pilgreen #12 | 14,500 | 28532810 |
| 522078 | Jul 22, 2002 | Jul 22, 2002 | United Oil & Minerals L. P. | Lavaca | Pilgreen #8 | 14,000 | 28532751 |
| 522078Amendment | Jul 22, 2002 | Jul 22, 2002 | United Oil & Minerals L. P. | Lavaca | Pilgreen #8 | 14,000 | 28532751 |
| 521955 | Jul 17, 2002 | Jul 17, 2002 | United Oil & Minerals L. P. | Lavaca | Cullen Unit 1 #3 | 15,000 | 28532976 |
| 521795 | Jul 11, 2002 | Jul 11, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch #11 | 10,500 | 04732009 |
| 521795Amendment | Jul 11, 2002 | Jul 11, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch #11 | 10,500 | 04732009 |
| 520572 | May 31, 2002 | May 31, 2002 | United Oil & Minerals L. P. | Lavaca | United SWD #2 | 3,000 | 28532969 |
| 520427 | May 28, 2002 | May 28, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch #4 | 9,900 | 04731917 |
| 519946 | May 20, 2002 | May 20, 2002 | United Oil & Minerals L. P. | Lavaca | Pilgreen #2ST | 14,500 | 28532376 |
| 519946Amendment | May 20, 2002 | May 20, 2002 | United Oil & Minerals L. P. | Lavaca | Pilgreen #2ST | 14,500 | 28532376 |
| 520030 | May 15, 2002 | May 15, 2002 | United Oil & Minerals L. P. | Jackson | Wearden #2 | 5,500 | 23933174 |
| 520027 | May 15, 2002 | May 15, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch #10 | 9,000 | 04731998 |
| 520027Amendment | May 15, 2002 | May 15, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch #10 | 9,000 | 04731998 |
| 519538 | Apr 29, 2002 | Apr 29, 2002 | United Oil & Minerals L. P. | Brooks | Cage Ranch #9 | 9,000 | 04731989 |
| 517627 | Feb 14, 2002 | Feb 14, 2002 | United Oil & Minerals L. P. | Aransas | State Tract 138 #1 | 9,500 | 00730855 |
| 517626 | Feb 14, 2002 | Feb 14, 2002 | United Oil & Minerals L. P. | Aransas | State Tract 163 #1 | 9,500 | 00730854 |
| 517223 | Jan 30, 2002 | Jan 30, 2002 | United Oil & Minerals L. P. | Lavaca | Cullen #6 | 9,100 | 28532947 |
| 517222 | Jan 30, 2002 | Jan 30, 2002 | United Oil & Minerals L. P. | Lavaca | Stovall #1 | 14,500 | 28532946 |
| 517222Amendment | Jan 30, 2002 | Jan 30, 2002 | United Oil & Minerals L. P. | Lavaca | Stovall #1 | 14,500 | 28532946 |
| 517115 | Jan 25, 2002 | Jan 25, 2002 | United Oil & Minerals L. P. | Wharton | Rasmussen #6 | 8,400 | 48134433 |
| 510705 | Jan 11, 2002 | Jan 11, 2002 | United Oil & Minerals L. P. | Lavaca | French Estate #3 | 16,500 | 28532908 |
| 516745 | Jan 10, 2002 | Jan 10, 2002 | United Oil & Minerals L. P. | Brooks | Lasater, Garland #13 | 10,200 | 04731977 |
| 516305 | Dec 19, 2001 | Dec 19, 2001 | United Oil & Minerals L. P. | Brooks | Garland Lasater #14 | 9,500 | 04731971 |
| 516304 | Dec 19, 2001 | Dec 19, 2001 | United Oil & Minerals L. P. | Brooks | Miller Ranch #1 | 10,000 | 04731972 |
| 516303 | Dec 19, 2001 | Dec 19, 2001 | United Oil & Minerals L. P. | Brooks | Cage Ranch #8 | 10,000 | 04731973 |
| 514463 | Oct 15, 2001 | Oct 15, 2001 | United Oil & Minerals L. P. | Lavaca | Pilgreen #9 | 14,264 | 28532800 |
| 514462 | Oct 15, 2001 | Oct 15, 2001 | United Oil & Minerals L. P. | Lavaca | Migl-Quinn #1 | 14,681 | 28532473 |
| 512971 | Aug 24, 2001 | Aug 24, 2001 | United Oil & Minerals L. P. | Jackson | Goff #3 | 8,000 | 23933157 |
| 512618 | Aug 15, 2001 | Aug 15, 2001 | United Oil & Minerals L. P. | Lavaca | Migl-Quinn #8 | 15,000 | 28532920 |
| 512431 | Aug 9, 2001 | Aug 9, 2001 | United Oil & Minerals L. P. | Wharton | Rasmussen #1A | 7,800 | 48134401 |
| 512337 | Aug 7, 2001 | Aug 7, 2001 | United Oil & Minerals L. P. | Jackson | Goff #2 | 8,500 | 23933154 |
| 512074 | Jul 31, 2001 | Jul 31, 2001 | United Oil & Minerals L. P. | Brooks | Lasater, Garland #11 | 9,500 | 04731946 |
| 512074Amendment | Jul 31, 2001 | Jul 31, 2001 | United Oil & Minerals L. P. | Brooks | Lasater, Garland #11 | 9,500 | 04731946 |
| 512073 | Jul 31, 2001 | Jul 31, 2001 | United Oil & Minerals L. P. | Brooks | Lasater, Garland #12 | 9,600 | 04731945 |
| 511507 | Jul 16, 2001 | Jul 16, 2001 | United Oil & Minerals L. P. | Lavaca | Cullen Unit 2 #3 | 15,500 | 28532911 |
| 511507Amendment | Jul 16, 2001 | Jul 16, 2001 | United Oil & Minerals L. P. | Lavaca | Cullen Unit 2 #3 | 15,500 | 28532911 |
| 510816 | Jun 27, 2001 | Jun 27, 2001 | United Oil & Minerals L. P. | Matagorda | Hawkins Ranch 53 #1 | 17,000 | 32131893 |
| 510326 | Jun 14, 2001 | Jun 14, 2001 | United Oil & Minerals L. P. | Wharton | Hutchins Pearson #7 | 8,500 | 48134383 |
| 510056 | Jun 8, 2001 | Jun 8, 2001 | United Oil & Minerals L. P. | Lavaca | Migl-Quinn #4 | 14,605 | 28532574 |