| 550973 | Sep 14, 2004 | Sep 14, 2004 | Rincon Petroleum Corporation | Bee | J C Byles Unit #2 | 11,000 | 02533293 |
| 550973Amendment | Sep 14, 2004 | Sep 14, 2004 | Rincon Petroleum Corporation | Bee | J. C. Byles Unit #2 | 11,000 | 02533293 |
| 550149 | Aug 26, 2004 | Aug 26, 2004 | Rincon Petroleum Corporation | Lavaca | Shimek-Smith Gas Unit #1 | 5,500 | 28533100 |
| 549457 | Aug 11, 2004 | Aug 11, 2004 | Rincon Petroleum Corporation | Lavaca | McManus Gas Unit #1 | 5,500 | 28533098 |
| 549151 | Aug 4, 2004 | Aug 4, 2004 | Rincon Petroleum Corporation | Wharton | Goff Bfe #2 | 5,200 | 48134679 |
| 549150 | Aug 4, 2004 | Aug 4, 2004 | Rincon Petroleum Corporation | Wharton | Goff Bfe #1 | 5,000 | 48134678 |
| 549150Amendment | Aug 4, 2004 | Aug 4, 2004 | Rincon Petroleum Corporation | Wharton | Goff Bfe Unit No. 1 #1 | 5,100 | 48134678 |
| 549143 | Aug 4, 2004 | Aug 4, 2004 | Rincon Petroleum Corporation | De Witt | W. T. Bell Gas Unit #2 | 14,000 | 12331986 |
| 547285 | Jun 22, 2004 | Jun 22, 2004 | Rincon Petroleum Corporation | Willacy | Yturria, H #417 | 9,500 | 48931095 |
| 544213 | Apr 7, 2004 | Apr 7, 2004 | Rincon Petroleum Corporation | Willacy | Yturria, H. #410 | 10,000 | 48931093 |
| 541882 | Feb 11, 2004 | Feb 11, 2004 | Rincon Petroleum Corporation | Hidalgo | Harding, Glen #6 | 8,000 | 21533181 |
| 541148 | Jan 27, 2004 | Jan 27, 2004 | Rincon Petroleum Corporation | Nueces | Dugger #19 | 6,975 | 35533502 |
| 541039 | Jan 21, 2004 | Jan 21, 2004 | Rincon Petroleum Corporation | Goliad | Hawkins Shallow Gas Unit #2 | 3,000 | 17533607 |
| 541039Amendment | Jan 21, 2004 | Jan 21, 2004 | Rincon Petroleum Corporation | Goliad | Hawkins Shallow Gas Unit #2 | 3,000 | 17533607 |
| 541039Amendment | Jan 21, 2004 | Jan 21, 2004 | Rincon Petroleum Corporation | Goliad | Hawkins Shallow Gas Unit #2 | 3,000 | 17533607 |
| 541039Amendment | Jan 21, 2004 | Jan 21, 2004 | Rincon Petroleum Corporation | Goliad | Hawkins Shallow Gas Unit #2 | 3,180 | 17533607 |
| 540455 | Jan 7, 2004 | Jan 7, 2004 | Rincon Petroleum Corporation | De Witt | W. T. Bell Gas Unit #1 | 14,000 | 12331966 |
| 540455Amendment | Jan 7, 2004 | Jan 7, 2004 | Rincon Petroleum Corporation | De Witt | W. T. Bell Gas Unit #1 | 14,000 | 12331966 |
| 540395 | Jan 6, 2004 | Jan 6, 2004 | Rincon Petroleum Corporation | Victoria | Farris, James F. (Shallow) #1 | 4,000 | 46933802 |
| 540395Amendment | Jan 6, 2004 | Jan 6, 2004 | Rincon Petroleum Corporation | Victoria | Farris, James F. (Shallow) #1 | 4,000 | 46933802 |
| 540394 | Jan 6, 2004 | Jan 6, 2004 | Rincon Petroleum Corporation | Goliad | Hawkins Shallow Gas Unit #1 | 5,700 | 17533601 |
| 540394Amendment | Jan 6, 2004 | Jan 6, 2004 | Rincon Petroleum Corporation | Goliad | Hawkins Shallow Gas Unit #1 | 5,700 | 17533601 |
| 540306 | Jan 6, 2004 | Jan 6, 2004 | Rincon Petroleum Corporation | Hidalgo | Harding, Glen #5 | 8,000 | 21533173 |
| 540306Amendment | Jan 6, 2004 | Jan 6, 2004 | Rincon Petroleum Corporation | Hidalgo | Harding, Glen #5 | 8,000 | 21533173 |
| 539959 | Dec 19, 2003 | Dec 19, 2003 | Rincon Petroleum Corporation | Victoria | Borth #1 | 13,000 | 46933799 |
| 539407 | Dec 8, 2003 | Dec 8, 2003 | Rincon Petroleum Corporation | Victoria | Dietze Gas Unit #1 | 13,000 | 46933792 |
| 538225 | Nov 4, 2003 | Nov 4, 2003 | Rincon Petroleum Corporation | Victoria | Farris Gas Unit #2 | 12,500 | 46933781 |
| 537773 | Oct 22, 2003 | Oct 22, 2003 | Rincon Petroleum Corporation | Victoria | Timme Gas Unit #1 | 12,000 | 46933776 |
| 537587 | Oct 20, 2003 | Oct 20, 2003 | Rincon Petroleum Corporation | Nueces | Bickler - Mosley #4 | 8,204 | 35504300 |
| 537402 | Oct 13, 2003 | Oct 13, 2003 | Rincon Petroleum Corporation | Goliad | Hawkins #1 | 12,000 | 17533584 |
| 537402Amendment | Oct 13, 2003 | Oct 13, 2003 | Rincon Petroleum Corporation | Goliad | Hawkins Deep Gas Unit #1 | 12,000 | 17533584 |
| 537402Amendment | Oct 13, 2003 | Oct 13, 2003 | Rincon Petroleum Corporation | Goliad | Hawkins Deep Gas Unit #1 | 11,334 | 17533584 |
| 537402Amendment | Oct 13, 2003 | Oct 13, 2003 | Rincon Petroleum Corporation | Goliad | Hawkins Deep Gas Unit #1 | 11,334 | 17533584 |
| 536901 | Oct 3, 2003 | Oct 3, 2003 | Rincon Petroleum Corporation | De Witt | Preiss Gas Unit #1 | 10,995 | 12331931 |
| 536220 | Sep 16, 2003 | Sep 16, 2003 | Rincon Petroleum Corporation | McMullen | Alfred Rhode Unit #1 | 3,500 | 31133702 |
| 534725 | Aug 5, 2003 | Aug 5, 2003 | Rincon Petroleum Corporation | Cameron | James C. Brady #1 | 9,000 | 06130518 |
| 533544 | Jun 27, 2003 | Jun 27, 2003 | Rincon Petroleum Corporation | Nueces | Perkins Gas Unit #5 | 6,500 | 35533560 |
| 533544Amendment | Jun 27, 2003 | Jun 27, 2003 | Rincon Petroleum Corporation | Nueces | Perkins Gas Unit #5 | 6,270 | 35533560 |
| 533543 | Jun 27, 2003 | Jun 27, 2003 | Rincon Petroleum Corporation | Nueces | Bickler-Mosley #9 | 7,000 | 35533561 |
| 533543Amendment | Jun 27, 2003 | Jun 27, 2003 | Rincon Petroleum Corporation | Nueces | Bickler-Mosley #9 | 7,000 | 35533561 |
| 533267 | Jun 20, 2003 | Jun 20, 2003 | Rincon Petroleum Corporation | Goliad | Hartman Gas Unit #1 | 12,000 | 17533539 |
| 532996 | Jun 12, 2003 | Jun 12, 2003 | Rincon Petroleum Corporation | Goliad | Cis #1 | 5,770 | 17533536 |
| 532996Amendment | Jun 12, 2003 | Jun 12, 2003 | Rincon Petroleum Corporation | Goliad | Cis #1 | 5,770 | 17533536 |
| 532824 | Jun 9, 2003 | Jun 9, 2003 | Rincon Petroleum Corporation | Goliad | Lemke #1 | 7,900 | 17533534 |
| 531913 | May 15, 2003 | May 15, 2003 | Rincon Petroleum Corporation | Goliad | Albrecht Heirs #1 | 12,000 | 17533520 |
| 530689 | Apr 16, 2003 | Apr 16, 2003 | Rincon Petroleum Corporation | Victoria | Farris Gas Unit #1 | 12,000 | 46933702 |
| 530689Amendment | Apr 16, 2003 | Apr 16, 2003 | Rincon Petroleum Corporation | Victoria | Farris Gas Unit #1 | 12,000 | 46933702 |
| 529939 | Mar 26, 2003 | Mar 26, 2003 | Rincon Petroleum Corporation | Goliad | Gayle, B. B. #1 | 7,900 | 17533503 |
| 528313 | Feb 13, 2003 | Feb 13, 2003 | Rincon Petroleum Corporation | Nueces | Ewing #8 | 7,510 | 35533235 |
| 527747 | Jan 29, 2003 | Jan 29, 2003 | Rincon Petroleum Corporation | Nueces | Dugger #16 | 8,270 | 35533152 |
| 527000 | Jan 8, 2003 | Jan 8, 2003 | Rincon Petroleum Corporation | De Witt | Preiss #1 | 12,000 | 12331931 |
| 527000Amendment | Jan 8, 2003 | Jan 8, 2003 | Rincon Petroleum Corporation | De Witt | Preiss Gas Unit #1 | 10,995 | 12331931 |
| 525877 | Dec 6, 2002 | Dec 6, 2002 | Rincon Petroleum Corporation | Hidalgo | Harding, Glen #3 | 8,100 | 21533044 |
| 525648 | Nov 20, 2002 | Nov 20, 2002 | Rincon Petroleum Corporation | Nueces | Dugger #19 | 6,975 | 35533502 |
| 525648Amendment | Nov 20, 2002 | Nov 20, 2002 | Rincon Petroleum Corporation | Nueces | Dugger #19 | 6,975 | 35533502 |
| 525647 | Nov 20, 2002 | Nov 20, 2002 | Rincon Petroleum Corporation | Nueces | Dugger #18 | 7,500 | 35533501 |
| 525647Amendment | Nov 20, 2002 | Nov 20, 2002 | Rincon Petroleum Corporation | Nueces | Dugger #18 | 7,500 | 35533501 |
| 524599 | Oct 17, 2002 | Oct 17, 2002 | Rincon Petroleum Corporation | Goliad | Johnson, Stella #16 | 4,878 | 17501987 |
| 520375 | May 30, 2002 | May 30, 2002 | Rincon Petroleum Corporation | Cameron | Garcia, J. A. "A" #4 | 8,650 | 06130510 |
| 520444 | May 29, 2002 | May 29, 2002 | Rincon Petroleum Corporation | Goliad | Johnson, Stella #20 | 4,800 | 17533434 |
| 519631 | May 3, 2002 | May 3, 2002 | Rincon Petroleum Corporation | Nueces | Dugger #17 | 7,510 | 35533214 |
| 518738 | Apr 4, 2002 | Apr 4, 2002 | Rincon Petroleum Corporation | Nueces | Charba-Tierra Verde Unit #1 | 7,550 | 35533432 |
| 518738Amendment | Apr 4, 2002 | Apr 4, 2002 | Rincon Petroleum Corporation | Nueces | Charba-Tierra Verde Unit #1 | 7,550 | 35533432 |
| 516335 | Mar 5, 2002 | Mar 5, 2002 | Rincon Petroleum Corporation | Hidalgo | Bell, W. G. Jr. et Al #1R | 5,000 | 21532956 |
| 517542 | Feb 13, 2002 | Feb 13, 2002 | Rincon Petroleum Corporation | Cameron | Brownsville Navigation District #1 | 7,510 | 06130513 |
| 517307 | Feb 6, 2002 | Feb 6, 2002 | Rincon Petroleum Corporation | Goliad | Johnson, Stella #17 | 5,115 | 17502103 |
| 516972 | Jan 25, 2002 | Jan 25, 2002 | Rincon Petroleum Corporation | Nueces | Emshoff #3 | 7,100 | 35533442 |
| 515113 | Nov 12, 2001 | Nov 12, 2001 | Rincon Petroleum Corporation | Nueces | Bickler-Mosley #8 | 7,650 | 35533236 |
| 515113Amendment | Nov 12, 2001 | Nov 12, 2001 | Rincon Petroleum Corporation | Nueces | Bickler-Mosley #8 | 7,650 | 35533236 |
| 514789 | Oct 31, 2001 | Oct 31, 2001 | Rincon Petroleum Corporation | Nueces | Charba-Tierra Verde Unit #1 | 7,550 | 35533432 |
| 514789Amendment | Oct 31, 2001 | Oct 31, 2001 | Rincon Petroleum Corporation | Nueces | Charba-Tierra Verde Unit #1 | 7,550 | 35533432 |
| 513026 | Sep 21, 2001 | Sep 21, 2001 | Rincon Petroleum Corporation | Nueces | Ewing #8 | 7,510 | 35533235 |
| 513722 | Sep 20, 2001 | Sep 20, 2001 | Rincon Petroleum Corporation | Cameron | State Tract 726 #1ST | 8,000 | 06130500 |
| 510460 | Sep 17, 2001 | Sep 17, 2001 | Rincon Petroleum Corporation | Hidalgo | Bell, W. G. Jr. Etal #1 | 5,000 | 21532911 |
| 501324 | Nov 2, 2000 | Nov 2, 2000 | Rincon Petroleum Corporation | Cameron | Brownsville Navigational Dist. #1 | 7,500 | 06130513 |
| 499331 | Sep 12, 2000 | Sep 12, 2000 | Rincon Petroleum Corporation | Nueces | Renken #6 | 7,650 | 35533256 |
| 499331Amendment | Sep 12, 2000 | Sep 12, 2000 | Rincon Petroleum Corporation | Nueces | Renken #6 | 7,660 | 35533256 |
| 497499 | Jul 27, 2000 | Jul 27, 2000 | Rincon Petroleum Corporation | Nueces | Dugger #9R | 8,220 | 35532569 |
| 496951 | Jul 18, 2000 | Jul 18, 2000 | Rincon Petroleum Corporation | Nueces | Bickler-Mosley #8 | 7,650 | 35533236 |
| 496950 | Jul 18, 2000 | Jul 18, 2000 | Rincon Petroleum Corporation | Nueces | Ewing #8 | 7,500 | 35533235 |
| 496871 | Jul 14, 2000 | Jul 14, 2000 | Rincon Petroleum Corporation | Nueces | Charba #2 | 8,100 | 35533237 |
| 494966 | May 15, 2000 | May 15, 2000 | Rincon Petroleum Corporation | Victoria | Holzheauser G. U. #1 | 9,000 | 46932736 |
| 493999 | Apr 12, 2000 | Apr 12, 2000 | Rincon Petroleum Corporation | Nueces | Wright #4 | 7,250 | 35533219 |
| 493999Amendment | Apr 12, 2000 | Apr 12, 2000 | Rincon Petroleum Corporation | Nueces | Wright #4 | 7,250 | 35533219 |
| 493792Amendment | Apr 5, 2000 | Apr 5, 2000 | Rincon Petroleum Corporation | Hidalgo | Glen Harding Gas Unit #2 | 7,800 | 21532757 |
| 492070 | Feb 18, 2000 | Feb 18, 2000 | Rincon Petroleum Corporation | Nueces | Dugger #17 | 7,500 | 35533214 |
| 490638 | Dec 27, 1999 | Dec 27, 1999 | Rincon Petroleum Corporation | Nueces | Dugger #14 | 6,960 | 35533032 |
| 489976 | Dec 7, 1999 | Dec 7, 1999 | Rincon Petroleum Corporation | Nueces | Dugger #9R | 8,220 | 35532569 |
| 489879 | Dec 3, 1999 | Dec 3, 1999 | Rincon Petroleum Corporation | Nueces | Dugger #16 | 8,270 | 35533152 |
| 486416 | Aug 10, 1999 | Aug 10, 1999 | Rincon Petroleum Corporation | Victoria | Koontz-Kutchka Gas Unit #1 | 4,900 | 46933427 |
| 486214Amendment | Jul 28, 1999 | Jul 28, 1999 | Rincon Petroleum Corporation | Cameron | Garcia, J. A. "A" #4 | 8,650 | 06130510 |
| 439124 | Aug 23, 1995 | Aug 23, 1995 | Rincon Petroleum Corporation | McMullen | Stischer, Mary Ada #1 | 8,115 | 31132153 |
| 429220 | Dec 9, 1994 | Dec 9, 1994 | Rincon Petroleum Corporation | Bee | Michael Fox Estate "A" #4A | 5,100 | 02501221 |
| 428846 | Oct 10, 1994 | Oct 10, 1994 | Rincon Petroleum Corporation | Bee | Fox, Michael Estate "A" #3 | 4,978 | 02501250 |
| 428186 | Sep 22, 1994 | Sep 22, 1994 | Rincon Petroleum Corporation | McMullen | Cartier Gas Unit #1 | 8,001 | 31101956 |
| 423404 | May 5, 1994 | May 5, 1994 | Rincon Petroleum Corporation | Bee | Michael Fox Estate "A" #9 | 5,050 | 02501161 |
| 420150 | Jan 14, 1994 | Jan 14, 1994 | Rincon Petroleum Corporation | Bee | Fox, Michael Estate "A" #9 | 5,050 | 02501161 |
| 420150Amendment | Jan 14, 1994 | Jan 14, 1994 | Rincon Petroleum Corporation | Bee | Fox, Michael Estate "A" #9 | 5,050 | 02501161 |
| 410724 | Apr 22, 1993 | Apr 22, 1993 | Rincon Petroleum Corporation | Bee | Fox, Michael Estate "A" #3 | 4,978 | 02501250 |
| 393231 | Nov 4, 1991 | Nov 4, 1991 | Rincon Petroleum Corporation | Refugio | Wood, J.L. et Al #1 | 5,910 | 39132022 |