| 653133Amendment | Jan 23, 2008 | Jan 23, 2008 | Sanchez Oil & Gas Corporation | Hidalgo | Rio Farms #3 | 11,000 | 21533773 |
| 652795 | Jan 16, 2008 | Jan 16, 2008 | Sanchez Oil & Gas Corporation | Victoria | Buentello #2 | 8,000 | 46934085 |
| 652784 | Jan 16, 2008 | Jan 16, 2008 | Sanchez Oil & Gas Corporation | Victoria | Buentello #1 | 8,000 | 46934084 |
| 652784Amendment | Jan 16, 2008 | Jan 16, 2008 | Sanchez Oil & Gas Corporation | Victoria | Buentello #1 | 8,000 | 46934084 |
| 652256 | Jan 9, 2008 | Jan 9, 2008 | Sanchez Oil & Gas Corporation | Duval | Sling #4 | 10,000 | 13139051 |
| 651653 | Dec 20, 2007 | Dec 20, 2007 | Sanchez Oil & Gas Corporation | Victoria | Chesshir Unit #2 | 8,000 | 46934078 |
| 651653Amendment | Dec 20, 2007 | Dec 20, 2007 | Sanchez Oil & Gas Corporation | Victoria | Chesshir Unit #2 | 8,000 | 46934078 |
| 651507 | Dec 20, 2007 | Dec 20, 2007 | Sanchez Oil & Gas Corporation | Victoria | Chesshir Unit #1 | 8,000 | 46934076 |
| 651507Amendment | Dec 20, 2007 | Dec 20, 2007 | Sanchez Oil & Gas Corporation | Victoria | Chesshir Unit #1 | 8,000 | 46934076 |
| 650911 | Dec 13, 2007 | Dec 13, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters a 1703 #1 | 11,000 | 13139046 |
| 650645 | Dec 10, 2007 | Dec 10, 2007 | Sanchez Oil & Gas Corporation | Duval | Sling #3 | 10,000 | 13139045 |
| 649877 | Nov 29, 2007 | Nov 29, 2007 | Sanchez Oil & Gas Corporation | Hidalgo | Rio Farms #2 | 11,000 | 21533744 |
| 649877Amendment | Nov 29, 2007 | Nov 29, 2007 | Sanchez Oil & Gas Corporation | Hidalgo | Rio Farms #2 | 11,000 | 21533744 |
| 649899 | Nov 27, 2007 | Nov 27, 2007 | Sanchez Oil & Gas Corporation | Matagorda | West Blessing #1 | 13,000 | 32132202 |
| 649899Amendment | Nov 27, 2007 | Nov 27, 2007 | Sanchez Oil & Gas Corporation | Matagorda | West Blessing #1 | 13,000 | 32132202 |
| 649876 | Nov 27, 2007 | Nov 27, 2007 | Sanchez Oil & Gas Corporation | Hidalgo | Rio Farms #1 | 11,000 | 21533743 |
| 649876Amendment | Nov 27, 2007 | Nov 27, 2007 | Sanchez Oil & Gas Corporation | Hidalgo | Rio Farms #1 | 11,000 | 21533743 |
| 649866 | Nov 27, 2007 | Nov 27, 2007 | Sanchez Oil & Gas Corporation | Duval | Sling #2 | 10,000 | 13139042 |
| 649867 | Nov 26, 2007 | Nov 26, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters a 1721 #5 | 10,000 | 13139040 |
| 648440 | Oct 31, 2007 | Oct 31, 2007 | Sanchez Oil & Gas Corporation | Duval | BP America A-1726 #3 | 13,500 | 13139036 |
| 647083 | Oct 5, 2007 | Oct 5, 2007 | Sanchez Oil & Gas Corporation | Duval | BP America A-1726 #2 | 12,000 | 13139032 |
| 645847 | Sep 14, 2007 | Sep 14, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters a 724 #4 | 12,000 | 13139026 |
| 643614 | Aug 9, 2007 | Aug 9, 2007 | Sanchez Oil & Gas Corporation | Hardin | BP Penny A-424 #1 | 13,000 | 19933087 |
| 642939 | Aug 8, 2007 | Aug 8, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters a 2021 #5 | 12,000 | 13139016 |
| 643115 | Aug 2, 2007 | Aug 2, 2007 | Sanchez Oil & Gas Corporation | Hardin | Black Stone - Sugarberry A-279 #1 | 13,500 | 19933083 |
| 642681 | Aug 1, 2007 | Aug 1, 2007 | Sanchez Oil & Gas Corporation | Willacy | Troppy Gas Unit #1 | 10,500 | 48931182 |
| 642986 | Jul 31, 2007 | Jul 31, 2007 | Sanchez Oil & Gas Corporation | Harris | Highlander Gas Unit 4 #1 | 11,500 | 20132652 |
| 642805 | Jul 31, 2007 | Jul 31, 2007 | Sanchez Oil & Gas Corporation | Duval | Sling #1 | 10,000 | 13139003 |
| 642805Amendment | Jul 31, 2007 | Jul 31, 2007 | Sanchez Oil & Gas Corporation | Duval | Sling #1 | 9,000 | 13139003 |
| 642362 | Jul 24, 2007 | Jul 24, 2007 | Sanchez Oil & Gas Corporation | Duval | BP America A-1726 #1 | 12,000 | 13139002 |
| 642362Amendment | Jul 24, 2007 | Jul 24, 2007 | Sanchez Oil & Gas Corporation | Duval | BP America A-1726 #1 | 13,500 | 13139002 |
| 642010 | Jul 16, 2007 | Jul 16, 2007 | Sanchez Oil & Gas Corporation | Zavala | Hammond, Ada Heirs #3 | 5,000 | 50732712 |
| 641363 | Jul 6, 2007 | Jul 6, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters a 2021 #4 | 12,000 | 13138995 |
| 641363Amendment | Jul 6, 2007 | Jul 6, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters a 2021 #4 | 12,000 | 13138995 |
| 641358 | Jul 6, 2007 | Jul 6, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters a 2021 #3 | 12,000 | 13138994 |
| 641358Amendment | Jul 6, 2007 | Jul 6, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters a 2021 #3 | 12,000 | 13138994 |
| 640174 | Jun 13, 2007 | Jun 13, 2007 | Sanchez Oil & Gas Corporation | Zavala | Ada Hammond Heirs #2 | 4,500 | 50732711 |
| 640174Amendment | Jun 13, 2007 | Jun 13, 2007 | Sanchez Oil & Gas Corporation | Zavala | Hammond, Ada Heirs #2 | 4,500 | 50732711 |
| 639251 | May 22, 2007 | May 22, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters a 2021 #2 | 11,000 | 13138981 |
| 639242 | May 22, 2007 | May 22, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters a 724 #3 | 12,000 | 13138980 |
| 638198 | May 9, 2007 | May 9, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters 717 #1 | 13,000 | 13138976 |
| 638198Amendment | May 9, 2007 | May 9, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters 717 #1 | 13,000 | 13138976 |
| 637792 | May 3, 2007 | May 3, 2007 | Sanchez Oil & Gas Corporation | Polk | Lcsl a 390 #1 | 17,200 | 37331089 |
| 637024 | Apr 17, 2007 | Apr 17, 2007 | Sanchez Oil & Gas Corporation | Hardin | Rice University a 460 #2 | 13,600 | 19933072 |
| 636287 | Apr 6, 2007 | Apr 6, 2007 | Sanchez Oil & Gas Corporation | Liberty | BP Kerr McGee Unit #1 | 11,700 | 29132704 |
| 635434 | Mar 26, 2007 | Mar 26, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters a 724 #2 | 10,500 | 13138962 |
| 635425 | Mar 26, 2007 | Mar 26, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters a 2021 #1 | 9,600 | 13138961 |
| 635425Amendment | Mar 26, 2007 | Mar 26, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters a 2021 #1 | 10,250 | 13138961 |
| 631475 | Jan 8, 2007 | Jan 8, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters a 1721 #4 | 10,000 | 13138951 |
| 631475Amendment | Jan 8, 2007 | Jan 8, 2007 | Sanchez Oil & Gas Corporation | Duval | Peters a 1721 #4 | 10,000 | 13138951 |
| 630521 | Dec 14, 2006 | Dec 14, 2006 | Sanchez Oil & Gas Corporation | Duval | Peters a 1721 #3 | 10,000 | 13138941 |
| 630521Amendment | Dec 14, 2006 | Dec 14, 2006 | Sanchez Oil & Gas Corporation | Duval | Peters a 1721 #3 | 10,000 | 13138941 |
| 628378 | Nov 10, 2006 | Nov 10, 2006 | Sanchez Oil & Gas Corporation | Hardin | Gulf West #2 | 16,500 | 19933053 |
| 628323 | Oct 31, 2006 | Oct 31, 2006 | Sanchez Oil & Gas Corporation | Duval | Peters a 1721 #2 | 9,600 | 13138932 |
| 624077 | Aug 17, 2006 | Aug 17, 2006 | Sanchez Oil & Gas Corporation | Duval | Canales "A" #2 | 10,100 | 13138901 |
| 620636 | Jun 8, 2006 | Jun 8, 2006 | Sanchez Oil & Gas Corporation | Hardin | W. M. Rice University Unit #1 | 15,500 | 19933035 |
| 620636Amendment | Jun 8, 2006 | Jun 8, 2006 | Sanchez Oil & Gas Corporation | Hardin | W. M. Rice University Unit #1 | 15,500 | 19933035 |
| 617729 | Apr 18, 2006 | Apr 18, 2006 | Sanchez Oil & Gas Corporation | Jefferson | Pipkin Ranch #1 | 8,000 | 24532440 |
| 616778 | Apr 3, 2006 | Apr 3, 2006 | Sanchez Oil & Gas Corporation | Harris | Highlander Gas Unit #5 | 12,800 | 20132756 |
| 615949 | Mar 23, 2006 | Mar 23, 2006 | Sanchez Oil & Gas Corporation | Duval | Peters a 1721 #1 | 9,600 | 13138865 |
| 615946 | Mar 16, 2006 | Mar 16, 2006 | Sanchez Oil & Gas Corporation | Duval | Peters a 724 #1 | 9,300 | 13138864 |
| 615946Amendment | Mar 16, 2006 | Mar 16, 2006 | Sanchez Oil & Gas Corporation | Duval | Peters a 724 #1 | 10,500 | 13138864 |
| 615048 | Mar 7, 2006 | Mar 7, 2006 | Sanchez Oil & Gas Corporation | Harris | Page Unit #1 | 15,000 | 20132755 |
| 612054 | Jan 13, 2006 | Jan 13, 2006 | Sanchez Oil & Gas Corporation | Zavala | Baker Cattle Company #2 | 1,550 | 50732677 |
| 612051 | Jan 13, 2006 | Jan 13, 2006 | Sanchez Oil & Gas Corporation | Zavala | Baker Cattle Company #1 | 1,550 | 50732676 |
| 606545Amendment | Sep 21, 2005 | Sep 21, 2005 | Sanchez Oil & Gas Corporation | Zavala | Pettit #2 | 1,550 | 50732665 |
| 559040 | Mar 15, 2005 | Mar 15, 2005 | Sanchez Oil & Gas Corporation | Bee | Mutchler Unit #1 | 14,500 | 02533325 |
| 553774 | Dec 15, 2004 | Dec 15, 2004 | Sanchez Oil & Gas Corporation | Hardin | BP America A-154 #1 | 8,500 | 19932947 |
| 550501 | Sep 3, 2004 | Sep 3, 2004 | Sanchez Oil & Gas Corporation | Hardin | BP America a-76 Unit #1 | 12,484 | 19932889 |
| 550102 | Aug 25, 2004 | Aug 25, 2004 | Sanchez Oil & Gas Corporation | Hardin | Blackstone Minerals a 436 #1 | 11,800 | 19932931 |
| 547670 | Jun 30, 2004 | Jun 30, 2004 | Sanchez Oil & Gas Corporation | Hardin | Gulf West #1 | 14,000 | 19932923 |
| 547670Amendment | Jun 30, 2004 | Jun 30, 2004 | Sanchez Oil & Gas Corporation | Hardin | Gulf West #1 | 12,374 | 19932923 |
| 546202 | Jun 22, 2004 | Jun 22, 2004 | Sanchez Oil & Gas Corporation | Harris | Norris Unit #1 | 10,000 | 20132686 |
| 546016 | May 22, 2004 | May 22, 2004 | Sanchez Oil & Gas Corporation | Harris | Highlander GU 1 #1 | 11,748 | 20132554 |
| 544736 | Apr 21, 2004 | Apr 21, 2004 | Sanchez Oil & Gas Corporation | Harris | J. W. Witten Unit #1 | 9,800 | 20132673 |
| 541752 | Mar 3, 2004 | Mar 3, 2004 | Sanchez Oil & Gas Corporation | Harris | J. W. Witten Unit #1 | 9,800 | 20132673 |
| 541752Amendment | Mar 3, 2004 | Mar 3, 2004 | Sanchez Oil & Gas Corporation | Harris | J. W. Witten Unit #1 | 9,800 | 20132673 |
| 541752Amendment | Mar 3, 2004 | Mar 3, 2004 | Sanchez Oil & Gas Corporation | Harris | J. W. Witten Unit #1 | 9,800 | 20132673 |
| 541752Amendment | Mar 3, 2004 | Mar 3, 2004 | Sanchez Oil & Gas Corporation | Harris | J. W. Witten Unit #1 | 9,800 | 20132673 |
| 541450 | Jan 30, 2004 | Jan 30, 2004 | Sanchez Oil & Gas Corporation | Tyler | W.M. Rice University #1 | 10,750 | 45730571 |
| 540274 | Dec 31, 2003 | Dec 31, 2003 | Sanchez Oil & Gas Corporation | Hardin | Blackstone-Duff Gas Unit #1 | 12,800 | 19932870 |
| 539328 | Dec 4, 2003 | Dec 4, 2003 | Sanchez Oil & Gas Corporation | Harris | Highlander Gas Unit 4 #1 | 14,000 | 20132652 |
| 539039 | Nov 25, 2003 | Nov 25, 2003 | Sanchez Oil & Gas Corporation | Harris | Highlander Gas Unit 2 #2 | 11,800 | 20132617 |
| 534029 | Jul 10, 2003 | Jul 10, 2003 | Sanchez Oil & Gas Corporation | Hardin | BP America a-76 Unit #1 | 13,500 | 19932889 |
| 533074 | Jun 13, 2003 | Jun 13, 2003 | Sanchez Oil & Gas Corporation | Goliad | Jacobs Gas Unit #1 | 14,550 | 17533436 |
| 533074Amendment | Jun 13, 2003 | Jun 13, 2003 | Sanchez Oil & Gas Corporation | Goliad | Jacobs Gas Unit #1 | 14,690 | 17533436 |
| 533074Amendment | Jun 13, 2003 | Jun 13, 2003 | Sanchez Oil & Gas Corporation | Goliad | Jacobs Gas Unit #1 | 15,430 | 17533436 |
| 529055 | Mar 27, 2003 | Mar 27, 2003 | Sanchez Oil & Gas Corporation | Harris | Highlander Gas Unit 4 #1 | 14,000 | 20132652 |
| 529055Amendment | Mar 27, 2003 | Mar 27, 2003 | Sanchez Oil & Gas Corporation | Harris | Highlander Gas Unit 4 #1 | 14,000 | 20132652 |
| 529424 | Mar 10, 2003 | Mar 10, 2003 | Sanchez Oil & Gas Corporation | Goliad | Jacob Gas Unit #2 | 17,000 | 17533496 |
| 529424Amendment | Mar 10, 2003 | Mar 10, 2003 | Sanchez Oil & Gas Corporation | Goliad | Jacob Gas Unit #2 | 17,000 | 17533496 |
| 527019 | Jan 7, 2003 | Jan 7, 2003 | Sanchez Oil & Gas Corporation | Hardin | Blackstone #1 | 11,500 | 19932873 |
| 524767 | Oct 18, 2002 | Oct 18, 2002 | Sanchez Oil & Gas Corporation | Hardin | Duff Unit #1 | 14,000 | 19932870 |
| 524767Amendment | Oct 18, 2002 | Oct 18, 2002 | Sanchez Oil & Gas Corporation | Hardin | Duff Unit #1 | 14,000 | 19932870 |
| 521142 | Jun 18, 2002 | Jun 18, 2002 | Sanchez Oil & Gas Corporation | Goliad | Jacob Gas Unit #1 | 15,000 | 17533436 |
| 521142Amendment | Jun 18, 2002 | Jun 18, 2002 | Sanchez Oil & Gas Corporation | Goliad | Jacob Gas Unit #1 | 16,000 | 17533436 |
| 515393 | Nov 15, 2001 | Nov 15, 2001 | Sanchez Oil & Gas Corporation | Duval | Ellis #1 | 10,500 | 13138534 |
| 512673 | Aug 16, 2001 | Aug 16, 2001 | Sanchez Oil & Gas Corporation | Tyler | Vastar Resources, Inc. #1 | 10,800 | 45730541 |
| 510054 | Jun 8, 2001 | Jun 8, 2001 | Sanchez Oil & Gas Corporation | Zapata | White #3B | 11,500 | 50534365 |
| 505539 | Feb 20, 2001 | Feb 20, 2001 | Sanchez Oil & Gas Corporation | Harris | Highlander Gas Unit 3 #1 | 15,000 | 20132617 |