| 752729 | Dec 11, 2012 | Dec 11, 2012 | Gulfstar Properties, Inc. | Colorado | Mahalict A #1 | 7,000 | 08932694 |
| 746371 | Aug 22, 2012 | Aug 22, 2012 | Gulfstar Properties, Inc. | Wharton | Knipling #2A | 4,210 | 48133629 |
| 737509 | Apr 23, 2012 | Apr 23, 2012 | Gulfstar Properties, Inc. | Wharton | R. B. Wallace #1 | 2,600 | 48101425 |
| 737509Amendment | Apr 23, 2012 | Apr 23, 2012 | Gulfstar Properties, Inc. | Wharton | Knipling #1 D | 5,124 | 48101425 |
| 735696 | Mar 22, 2012 | Mar 22, 2012 | Gulfstar Properties, Inc. | Colorado | Briscoe #1 | 7,000 | 08932685 |
| 726094 | Oct 13, 2011 | Oct 13, 2011 | Gulfstar Properties, Inc. | Wharton | Goff Gas Unit #6 | 5,000 | 48135214 |
| 723318 | Sep 1, 2011 | Sep 1, 2011 | Gulfstar Properties, Inc. | Wharton | Knipling #1A | 4,220 | 48133580 |
| 715444 | May 5, 2011 | May 5, 2011 | Gulfstar Properties, Inc. | Wharton | Knipling #1 | 5,000 | 48135190 |
| 704491 | Oct 29, 2010 | Oct 29, 2010 | Gulfstar Properties, Inc. | Wharton | Goff 5 #5 | 5,100 | 48135164 |
| 694409 | Apr 15, 2010 | Apr 15, 2010 | Gulfstar Properties, Inc. | Wharton | Goff #4 | 4,950 | 48135137 |
| 694409Amendment | Apr 15, 2010 | Apr 15, 2010 | Gulfstar Properties, Inc. | Wharton | Goff #4 | 4,950 | 48135137 |
| 683128 | Jul 17, 2009 | Jul 17, 2009 | Gulfstar Properties, Inc. | Bandera | Davis Hord 77 #2 | 4,000 | 01930217 |
| 656385 | Feb 28, 2008 | Feb 28, 2008 | Gulfstar Properties, Inc. | Wharton | El Rancho de Los Patos #1 | 5,000 | 48134965 |
| 614607 | Feb 22, 2006 | Feb 22, 2006 | Gulfstar Properties, Inc. | Bandera | Hord, Davis "77" #1 | 3,900 | 01930213 |
| 606776 | Oct 6, 2005 | Oct 6, 2005 | Gulfstar Properties, Inc. | Bee | Spindletop #2 | 9,950 | 02533362 |
| 561261 | May 13, 2005 | May 13, 2005 | Gulfstar Properties, Inc. | Duval | Davy #1 | 5,100 | 13138798 |
| 561262 | May 3, 2005 | May 3, 2005 | Gulfstar Properties, Inc. | Duval | Garcia #1 | 5,100 | 13138799 |
| 557724 | Jul 16, 2004 | Jul 16, 2004 | Gulfstar Properties, Inc. | Bee | Spindletop Gas Unit #1 | 10,000 | 02533148 |
| 547360 | Jun 23, 2004 | Jun 23, 2004 | Gulfstar Properties, Inc. | Wharton | Weitzel #1 | 4,600 | 48134667 |
| 547360Amendment | Jun 23, 2004 | Jun 23, 2004 | Gulfstar Properties, Inc. | Wharton | Weitzel #1 | 4,650 | 48134667 |
| 547359 | Jun 23, 2004 | Jun 23, 2004 | Gulfstar Properties, Inc. | Wharton | Wiesner #1 | 4,550 | 48134666 |
| 529376 | Mar 10, 2003 | Mar 10, 2003 | Gulfstar Properties, Inc. | Jackson | Goff Unit #3 | 4,950 | 23933208 |
| 525766 | Nov 21, 2002 | Nov 21, 2002 | Gulfstar Properties, Inc. | Wilson | McGrew, J. S. Trust #1 | 2,600 | 49332513 |
| 525664 | Nov 19, 2002 | Nov 19, 2002 | Gulfstar Properties, Inc. | Wilson | Krell Unit #1 | 2,600 | 49332512 |
| 525470 | Nov 13, 2002 | Nov 13, 2002 | Gulfstar Properties, Inc. | Wilson | Hamilton, D. #1 | 2,600 | 49332511 |
| 521273 | Jun 21, 2002 | Jun 21, 2002 | Gulfstar Properties, Inc. | Wharton | Donald Schoenfield Unit #1 | 4,650 | 48134457 |
| 521273Amendment | Jun 21, 2002 | Jun 21, 2002 | Gulfstar Properties, Inc. | Wharton | Donald Schoenfield Unit #1 | 4,650 | 48134457 |
| 515731 | Nov 30, 2001 | Nov 30, 2001 | Gulfstar Properties, Inc. | Jackson | Goff Unit #2 | 4,500 | 23933167 |
| 515731Amendment | Nov 30, 2001 | Nov 30, 2001 | Gulfstar Properties, Inc. | Jackson | Goff Unit #2 | 4,500 | 23933167 |
| 497127 | Jul 14, 2000 | Jul 14, 2000 | Gulfstar Properties, Inc. | Wharton | Goff, E. G. #1 | 4,500 | 48134236 |
| 497127Amendment | Jul 14, 2000 | Jul 14, 2000 | Gulfstar Properties, Inc. | Wharton | Goff, E. G. #1 | 4,500 | 48134236 |
| 496940 | Jul 7, 2000 | Jul 7, 2000 | Gulfstar Properties, Inc. | Goliad | Bego #1 | 3,900 | 17533266 |
| 496940Amendment | Jul 7, 2000 | Jul 7, 2000 | Gulfstar Properties, Inc. | Goliad | Bego #1 | 3,900 | 17533266 |
| 478325 | Jul 28, 1998 | Jul 28, 1998 | Gulfstar Properties, Inc. | Jackson | Whitley Unit #2 | 4,150 | 23933012 |
| 478325Amendment | Jul 28, 1998 | Jul 28, 1998 | Gulfstar Properties, Inc. | Jackson | Whitley Unit #2 | 4,150 | 23933012 |
| 473650 | Mar 3, 1998 | Mar 3, 1998 | Gulfstar Properties, Inc. | Victoria | Buhler #1 | 3,900 | 46933325 |
| 470200 | Dec 17, 1997 | Dec 17, 1997 | Gulfstar Properties, Inc. | Jackson | Whitley Unit #1 | 4,200 | 23932979 |
| 467259 | Sep 8, 1997 | Sep 8, 1997 | Gulfstar Properties, Inc. | De Witt | Jendrzey, Benjamin #1 | 4,800 | 12331810 |
| 463112 | May 30, 1997 | May 30, 1997 | Gulfstar Properties, Inc. | Lavaca | Clark #1 | 500 | 28532497 |
| 454145 | Oct 21, 1996 | Oct 21, 1996 | Gulfstar Properties, Inc. | Jackson | Rogers #1 | 4,175 | 23932924 |
| 450159 | Aug 8, 1996 | Aug 8, 1996 | Gulfstar Properties, Inc. | Matagorda | Jensen #2 | 2,000 | 32131726 |
| 443481 | Jan 10, 1996 | Jan 10, 1996 | Gulfstar Properties, Inc. | Victoria | Victoria Regional Airport #2 | 3,950 | 46933120 |
| 443480 | Jan 10, 1996 | Jan 10, 1996 | Gulfstar Properties, Inc. | Victoria | Victoria Regional Airport #1 | 4,950 | 46933121 |
| 443480Amendment | Jan 10, 1996 | Jan 10, 1996 | Gulfstar Properties, Inc. | Victoria | Victoria Regional Airport #1 | 3,900 | 46933121 |
| 443012 | Dec 19, 1995 | Dec 19, 1995 | Gulfstar Properties, Inc. | Victoria | Meyer Unit #1 | 4,100 | 46933115 |
| 433321 | Feb 27, 1995 | Feb 27, 1995 | Gulfstar Properties, Inc. | McMullen | South Texas Syndicate #2 | 5,500 | 31101407 |
| 429197 | Oct 18, 1994 | Oct 18, 1994 | Gulfstar Properties, Inc. | Goliad | Wendel Unit #1 | 3,350 | 17532809 |
| 426067 | Jul 25, 1994 | Jul 25, 1994 | Gulfstar Properties, Inc. | Lavaca | Bacon, Morris et Al #1 | 3,250 | 28532255 |
| 423951 | May 18, 1994 | May 18, 1994 | Gulfstar Properties, Inc. | Goliad | Schendel, Ellie #1 | 3,250 | 17532782 |
| 423956 | May 16, 1994 | May 16, 1994 | Gulfstar Properties, Inc. | Goliad | Wendel, Gladys #1 | 2,950 | 17532780 |
| 420588 | Jan 26, 1994 | Jan 26, 1994 | Gulfstar Properties, Inc. | Goliad | Kickendahl, Linda #1 | 3,250 | 17532759 |
| 420588Amendment | Jan 26, 1994 | Jan 26, 1994 | Gulfstar Properties, Inc. | Goliad | Kickendahl, Linda #1 | 3,215 | 17532759 |
| 417920 | Nov 4, 1993 | Nov 4, 1993 | Gulfstar Properties, Inc. | Matagorda | Jensen #1 | 9,489 | 32131461 |
| 417920Amendment | Nov 4, 1993 | Nov 4, 1993 | Gulfstar Properties, Inc. | Matagorda | Jensen #1 | 8,316 | 32131461 |
| 416927 | Oct 11, 1993 | Oct 11, 1993 | Gulfstar Properties, Inc. | Goliad | Hamilton, Marilyn Etal #1 | 3,900 | 17532736 |
| 416927Amendment | Oct 11, 1993 | Oct 11, 1993 | Gulfstar Properties, Inc. | Goliad | Hamilton, Marilyn et Al #1 | 4,000 | 17532736 |
| 371667 | Apr 9, 1990 | Apr 9, 1990 | Gulfstar Properties, Inc. | Bee | Scheig #4 | 1,200 | 02532571 |
| 371666 | Apr 9, 1990 | Apr 9, 1990 | Gulfstar Properties, Inc. | Bee | Scheig #3 | 1,200 | 02532570 |
| 371665 | Apr 9, 1990 | Apr 9, 1990 | Gulfstar Properties, Inc. | Bee | Scheig #1 | 1,200 | 02532572 |
| 371664 | Apr 4, 1990 | Apr 4, 1990 | Gulfstar Properties, Inc. | Bee | Scheig #2 | 1,200 | 02532573 |
| 366626 | Nov 27, 1989 | Nov 27, 1989 | Gulfstar Properties, Inc. | McMullen | Kuykendall #1 | 6,250 | 31132804 |
| 328115 | Mar 30, 1987 | Mar 30, 1987 | Gulfstar Properties, Inc. | Bastrop | Moers #1 | 5,800 | 02131019 |