| 653385 | Jan 28, 2008 | Jan 28, 2008 | Diasu Oil & Gas Co., Inc. | Leon | Weathervane #1 | 7,000 | 28931721 |
| 632252 | Jan 25, 2007 | Jan 25, 2007 | Diasu Oil & Gas Co., Inc. | Leon | Dot Cadenhead "E" #1 | 7,000 | 28931642 |
| 632250 | Jan 25, 2007 | Jan 25, 2007 | Diasu Oil & Gas Co., Inc. | Leon | Van Winkle Estate #1 | 7,000 | 28931641 |
| 630531 | Dec 15, 2006 | Dec 15, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Dot Cadenhead -D- #1 | 7,000 | 28931630 |
| 630538 | Dec 14, 2006 | Dec 14, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Harris, Bobby Ray #2 | 7,000 | 28931631 |
| 629727 | Dec 8, 2006 | Dec 8, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Henson, Tom #1 | 7,000 | 28931625 |
| 629123 | Nov 17, 2006 | Nov 17, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Dot Cadenhead #C 1 | 7,000 | 28931620 |
| 628468 | Nov 2, 2006 | Nov 2, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Reeder #1 | 7,000 | 28931616 |
| 627973 | Oct 24, 2006 | Oct 24, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Henson Ranch #1 | 7,000 | 28931615 |
| 625858 | Sep 13, 2006 | Sep 13, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Coats Heirs #2 | 6,400 | 28931610 |
| 624152 | Aug 10, 2006 | Aug 10, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Harris, Bobby Ray #1 | 7,000 | 28931604 |
| 624151 | Aug 10, 2006 | Aug 10, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Dot Cadenhead #5 | 7,000 | 28931603 |
| 624150 | Aug 10, 2006 | Aug 10, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Dot Cadenhead #4 | 7,000 | 28931602 |
| 622603 | Jul 21, 2006 | Jul 21, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Copeland, John #1 | 7,000 | 28931592 |
| 621980 | Jul 3, 2006 | Jul 3, 2006 | Diasu Oil & Gas Co., Inc. | Leon | King-Cadenhead #1 | 7,000 | 28931588 |
| 621818 | Jun 29, 2006 | Jun 29, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Anderson-Bing #1 | 7,000 | 28931586 |
| 619499 | May 18, 2006 | May 18, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Anderson, C. #1 | 7,000 | 28931577 |
| 617602 | Apr 14, 2006 | Apr 14, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Dot Cadenhead #3 | 7,000 | 28931570 |
| 616533 | Mar 28, 2006 | Mar 28, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Coats Heirs #1 | 6,400 | 28931566 |
| 615703 | Mar 13, 2006 | Mar 13, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Cadenhead #3 | 7,000 | 28931563 |
| 614421 | Feb 17, 2006 | Feb 17, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Dot Cadenhead #2 | 7,000 | 28931561 |
| 613030 | Jan 26, 2006 | Jan 26, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Sawmill #1 | 7,000 | 28931551 |
| 613010 | Jan 25, 2006 | Jan 25, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Cadenhead #2 | 7,000 | 28931552 |
| 611942 | Jan 6, 2006 | Jan 6, 2006 | Diasu Oil & Gas Co., Inc. | Leon | Dot Cadenhead #1 | 7,000 | 28931549 |
| 610167 | Dec 28, 2005 | Dec 28, 2005 | Diasu Oil & Gas Co., Inc. | Leon | Coleman #2 | 7,000 | 28931537 |
| 608838 | Nov 29, 2005 | Nov 29, 2005 | Diasu Oil & Gas Co., Inc. | Leon | Cadenhead #H 1 | 7,000 | 28931530 |
| 610084 | Nov 28, 2005 | Nov 28, 2005 | Diasu Oil & Gas Co., Inc. | Leon | Cadenhead #G 1 | 7,000 | 28931536 |
| 608633 | Nov 23, 2005 | Nov 23, 2005 | Diasu Oil & Gas Co., Inc. | Leon | King #1 | 7,000 | 28931527 |
| 609321 | Nov 10, 2005 | Nov 10, 2005 | Diasu Oil & Gas Co., Inc. | Leon | Harris #B 2 | 7,000 | 28931532 |
| 608831 | Nov 2, 2005 | Nov 2, 2005 | Diasu Oil & Gas Co., Inc. | Leon | Coleman #1 | 7,000 | 28931529 |
| 608831Amendment | Nov 2, 2005 | Nov 2, 2005 | Diasu Oil & Gas Co., Inc. | Leon | Coleman #1 | 7,000 | 28931529 |
| 608082 | Oct 18, 2005 | Oct 18, 2005 | Diasu Oil & Gas Co., Inc. | Leon | Cadenhead #F 1 | 7,000 | 28931524 |
| 606789 | Sep 22, 2005 | Sep 22, 2005 | Diasu Oil & Gas Co., Inc. | Leon | Harris #B 1 | 7,000 | 28931520 |
| 605145 | Aug 25, 2005 | Aug 25, 2005 | Diasu Oil & Gas Co., Inc. | Leon | Cadenhead #E 1 | 7,000 | 28931508 |
| 605109 | Aug 19, 2005 | Aug 19, 2005 | Diasu Oil & Gas Co., Inc. | Leon | Cadenhead #D 1 | 7,000 | 28931507 |
| 603736 | Jul 21, 2005 | Jul 21, 2005 | Diasu Oil & Gas Co., Inc. | Leon | Cadenhead #C 1 | 7,000 | 28931502 |
| 560836 | Apr 20, 2005 | Apr 20, 2005 | Diasu Oil & Gas Co., Inc. | Leon | Cadenhead #A 2 | 7,000 | 28931481 |
| 559565 | Mar 28, 2005 | Mar 28, 2005 | Diasu Oil & Gas Co., Inc. | Leon | Harrington #6 | 7,000 | 28931471 |
| 557718 | Feb 15, 2005 | Feb 15, 2005 | Diasu Oil & Gas Co., Inc. | Leon | Cadenhead #3 | 7,000 | 28931464 |
| 555714 | Jan 5, 2005 | Jan 5, 2005 | Diasu Oil & Gas Co., Inc. | Leon | Harrington #4 | 7,000 | 28931451 |
| 553248 | Nov 5, 2004 | Nov 5, 2004 | Diasu Oil & Gas Co., Inc. | Leon | Cadenhead #1 | 7,000 | 28931441 |
| 551685 | Sep 29, 2004 | Sep 29, 2004 | Diasu Oil & Gas Co., Inc. | Fort Bend | J H P Davis -B- #1 | 5,478 | 15702297 |
| 551168 | Sep 17, 2004 | Sep 17, 2004 | Diasu Oil & Gas Co., Inc. | Leon | Cadenhead #2 | 7,000 | 28931433 |
| 551164 | Sep 17, 2004 | Sep 17, 2004 | Diasu Oil & Gas Co., Inc. | Leon | Cadenhead #1 | 7,000 | 28931432 |
| 551164Amendment | Sep 17, 2004 | Sep 17, 2004 | Diasu Oil & Gas Co., Inc. | Leon | Cadenhead #1 | 7,000 | 28931432 |
| 536962 | Sep 30, 2003 | Sep 30, 2003 | Diasu Oil & Gas Co., Inc. | Fort Bend | J. H. P. Davis "A" #16 | 9,000 | 15731735 |
| 499875 | Oct 17, 2000 | Oct 17, 2000 | Diasu Oil & Gas Co., Inc. | Montgomery | McCombs, W. P. et Al #1 | 1,262 | 33901444 |
| 500171 | Oct 10, 2000 | Oct 10, 2000 | Diasu Oil & Gas Co., Inc. | Aransas | Ocker Trust #1 | 7,412 | 00730823 |
| 474642 | Mar 23, 1998 | Mar 23, 1998 | Diasu Oil & Gas Co., Inc. | Fort Bend | State-Harlem Prison Farm #1 | 8,350 | 15732010 |
| 474489 | Mar 19, 1998 | Mar 19, 1998 | Diasu Oil & Gas Co., Inc. | Navarro | Gray, Joe #1 | 4,100 | 34934592 |
| 473410 | Feb 17, 1998 | Feb 17, 1998 | Diasu Oil & Gas Co., Inc. | Matagorda | Sliva, Stephen #1 | 9,700 | 32131753 |
| 444669 | Feb 9, 1996 | Feb 9, 1996 | Diasu Oil & Gas Co., Inc. | Aransas | Ocker Trust #1 | 8,500 | 00730823 |
| 444669Amendment | Feb 9, 1996 | Feb 9, 1996 | Diasu Oil & Gas Co., Inc. | Aransas | Ocker Trust #1 | 8,317 | 00730823 |
| 405148 | Oct 29, 1992 | Oct 29, 1992 | Diasu Oil & Gas Co., Inc. | Montgomery | Dean #1A | 11,807 | 33901055 |
| 378036Amendment | Sep 24, 1990 | Sep 24, 1990 | Diasu Oil & Gas Co., Inc. | Montgomery | Hagan #1 | 11,900 | 33930806 |
| 378186Amendment | Sep 20, 1990 | Sep 20, 1990 | Diasu Oil & Gas Co., Inc. | Matagorda | Hurlock "B" #3 | 11,000 | 32100619 |
| 275186 | May 13, 1985 | May 13, 1985 | Diasu Oil & Gas Co., Inc. | Schleicher | Tisdale #1 | 5,500 | 41330040 |
| 273449 | Apr 26, 1985 | Apr 26, 1985 | Diasu Oil & Gas Co., Inc. | Schleicher | Tisdale #2 | 6,200 | 41331530 |
| 263741 | Jan 8, 1985 | Jan 8, 1985 | Diasu Oil & Gas Co., Inc. | Wharton | Kurtz Gas Unit 1 #2 | 5,700 | 48132797 |
| 222792 | Dec 6, 1983 | Dec 6, 1983 | Diasu Oil & Gas Co., Inc. | Wharton | Kurtz Gas Unit #1 | 5,700 | 48132604 |
| 132670 | Sep 8, 1981 | Sep 8, 1981 | Diasu Oil & Gas Co., Inc. | Matagorda | Royder #1 | 11,500 | 32131162 |