| 634969Amendment | Mar 27, 2007 | Mar 27, 2007 | Cobra Oil & Gas Corporation | Howard | Adams 38 #2HH | 8,000 | 22736049 |
| 634969Amendment | Mar 27, 2007 | Mar 27, 2007 | Cobra Oil & Gas Corporation | Howard | Adams 38 #2HH | 8,000 | 22736049 |
| 633611 | Feb 23, 2007 | Feb 23, 2007 | Cobra Oil & Gas Corporation | Howard | Guitar 1 #3 | 9,500 | 22736042 |
| 633611Amendment | Feb 23, 2007 | Feb 23, 2007 | Cobra Oil & Gas Corporation | Howard | Guitar 1 #3HH | 9,100 | 22736042 |
| 632888 | Feb 6, 2007 | Feb 6, 2007 | Cobra Oil & Gas Corporation | Martin | Phillips Unit #1 | 10,120 | 31734043 |
| 628017 | Nov 1, 2006 | Nov 1, 2006 | Cobra Oil & Gas Corporation | Archer | Thorman "B" #3 | 5,400 | 00941616 |
| 626188 | Sep 19, 2006 | Sep 19, 2006 | Cobra Oil & Gas Corporation | Hardin | Grenadine #2 | 5,100 | 19932971 |
| 626185 | Sep 19, 2006 | Sep 19, 2006 | Cobra Oil & Gas Corporation | Hardin | Grenadine #1 | 5,032 | 19932965 |
| 626177 | Sep 19, 2006 | Sep 19, 2006 | Cobra Oil & Gas Corporation | Hardin | Trinidad Unit #1 | 5,200 | 19932964 |
| 624124 | Aug 17, 2006 | Aug 17, 2006 | Cobra Oil & Gas Corporation | Hardin | Rebekah #1 | 10,000 | 19932976 |
| 622950 | Aug 1, 2006 | Aug 1, 2006 | Cobra Oil & Gas Corporation | Martin | Phillips Unit #1 | 10,120 | 31734043 |
| 619114 | Jun 20, 2006 | Jun 20, 2006 | Cobra Oil & Gas Corporation | Liberty | Walker-Perry #1 | 9,300 | 29132662 |
| 620144 | Jun 13, 2006 | Jun 13, 2006 | Cobra Oil & Gas Corporation | Hardin | Grenadine "B" #4 | 5,500 | 19933033 |
| 620553 | Jun 8, 2006 | Jun 8, 2006 | Cobra Oil & Gas Corporation | Archer | Robert Vogtsberger "A" #9 | 5,700 | 00941574 |
| 617179 | May 10, 2006 | May 10, 2006 | Cobra Oil & Gas Corporation | Walker | Warner Unit #1 | 4,500 | 47130330 |
| 617179Amendment | May 10, 2006 | May 10, 2006 | Cobra Oil & Gas Corporation | Walker | Warner Unit #1 | 4,500 | 47130330 |
| 618205 | May 3, 2006 | May 3, 2006 | Cobra Oil & Gas Corporation | Hardin | Black Stone Stevenson #1 | 10,000 | 19933026 |
| 617334 | Apr 17, 2006 | Apr 17, 2006 | Cobra Oil & Gas Corporation | Liberty | Gardner Unit #1 | 10,000 | 29132589 |
| 616670 | Apr 3, 2006 | Apr 3, 2006 | Cobra Oil & Gas Corporation | Walker | Wilson Unit #1 | 3,500 | 47130329 |
| 615450 | Mar 15, 2006 | Mar 15, 2006 | Cobra Oil & Gas Corporation | Hardin | Grenadine #5 | 5,500 | 19933015 |
| 615446 | Mar 15, 2006 | Mar 15, 2006 | Cobra Oil & Gas Corporation | Archer | Thorman "B" #2 | 6,000 | 00941555 |
| 613963 | Feb 16, 2006 | Feb 16, 2006 | Cobra Oil & Gas Corporation | Hardin | Abraham Unit #1 | 9,700 | 19933009 |
| 611941 | Jan 11, 2006 | Jan 11, 2006 | Cobra Oil & Gas Corporation | Liberty | Opel-Erickson #1 | 9,300 | 29132638 |
| 611941Amendment | Jan 11, 2006 | Jan 11, 2006 | Cobra Oil & Gas Corporation | Liberty | Opel-Erickson #1 | 9,300 | 29132638 |
| 610222 | Dec 28, 2005 | Dec 28, 2005 | Cobra Oil & Gas Corporation | Liberty | Partlow Unit #1 | 13,000 | 29132632 |
| 611273 | Dec 27, 2005 | Dec 27, 2005 | Cobra Oil & Gas Corporation | Hardin | Bumstead #1 | 9,600 | 19932997 |
| 610204 | Dec 1, 2005 | Dec 1, 2005 | Cobra Oil & Gas Corporation | Hardin | Hurricane #1 | 11,000 | 19932995 |
| 609554 | Nov 18, 2005 | Nov 18, 2005 | Cobra Oil & Gas Corporation | Brazoria | Taurus #2 | 15,000 | 03932922 |
| 609483 | Nov 17, 2005 | Nov 17, 2005 | Cobra Oil & Gas Corporation | Hardin | Grenadine #3 | 5,000 | 19932993 |
| 609483Amendment | Nov 17, 2005 | Nov 17, 2005 | Cobra Oil & Gas Corporation | Hardin | Grenadine "A" #3 | 5,200 | 19932993 |
| 608485 | Oct 28, 2005 | Oct 28, 2005 | Cobra Oil & Gas Corporation | Walker | Rundall Trust Unit #1 | 5,000 | 47130322 |
| 607790 | Oct 14, 2005 | Oct 14, 2005 | Cobra Oil & Gas Corporation | Walker | Lion #1 | 3,800 | 47130320 |
| 607779 | Oct 14, 2005 | Oct 14, 2005 | Cobra Oil & Gas Corporation | Hardin | Grenadine #6 | 5,000 | 19932988 |
| 607779Amendment | Oct 14, 2005 | Oct 14, 2005 | Cobra Oil & Gas Corporation | Hardin | Grenadine #6 | 5,200 | 19932988 |
| 605397 | Sep 9, 2005 | Sep 9, 2005 | Cobra Oil & Gas Corporation | Walker | Godwin #1 | 5,000 | 47130317 |
| 605660 | Aug 31, 2005 | Aug 31, 2005 | Cobra Oil & Gas Corporation | Liberty | B.P. America 195 #1 | 8,800 | 29132622 |
| 605660Amendment | Aug 31, 2005 | Aug 31, 2005 | Cobra Oil & Gas Corporation | Liberty | B.P. America 195 #1 | 8,800 | 29132622 |
| 604790 | Aug 11, 2005 | Aug 11, 2005 | Cobra Oil & Gas Corporation | Hardin | Isaac #2 | 8,900 | 19932981 |
| 603898 | Jul 25, 2005 | Jul 25, 2005 | Cobra Oil & Gas Corporation | Martin | Allar 45 #2 | 9,200 | 31734586 |
| 603005 | Jul 6, 2005 | Jul 6, 2005 | Cobra Oil & Gas Corporation | Hardin | Rebekah #1 | 10,000 | 19932976 |
| 600346 | May 9, 2005 | May 9, 2005 | Cobra Oil & Gas Corporation | Hardin | Benny Rusk Unit #1A | 9,900 | 19932565 |
| 600346Amendment | May 9, 2005 | May 9, 2005 | Cobra Oil & Gas Corporation | Hardin | Benny Rusk Unit #1A | 10,000 | 19932565 |
| 600037 | May 3, 2005 | May 3, 2005 | Cobra Oil & Gas Corporation | Hardin | Grenadine #2 | 6,000 | 19932971 |
| 559847 | Apr 1, 2005 | Apr 1, 2005 | Cobra Oil & Gas Corporation | Hardin | Grenedine #1 | 6,000 | 19932965 |
| 559846 | Apr 1, 2005 | Apr 1, 2005 | Cobra Oil & Gas Corporation | Hardin | Trinidad Unit #1 | 6,000 | 19932964 |
| 559080 | Mar 16, 2005 | Mar 16, 2005 | Cobra Oil & Gas Corporation | Hardin | Black Stone Farmer Unit #1 | 10,500 | 19932963 |
| 558286 | Feb 28, 2005 | Feb 28, 2005 | Cobra Oil & Gas Corporation | Liberty | Gardner Unit #1 | 11,000 | 29132589 |
| 558285 | Feb 28, 2005 | Feb 28, 2005 | Cobra Oil & Gas Corporation | Hardin | Black Stone Minerals Company #1 | 11,000 | 19932801 |
| 556295 | Jan 18, 2005 | Jan 18, 2005 | Cobra Oil & Gas Corporation | Liberty | Campbell, Mary #1 | 11,000 | 29132495 |
| 554263 | Dec 1, 2004 | Dec 1, 2004 | Cobra Oil & Gas Corporation | Liberty | Hazeltine Unit #1 | 17,000 | 29132578 |
| 554263Amendment | Dec 1, 2004 | Dec 1, 2004 | Cobra Oil & Gas Corporation | Liberty | Hazeltine Unit #1 | 18,000 | 29132578 |
| 553415 | Nov 9, 2004 | Nov 9, 2004 | Cobra Oil & Gas Corporation | Liberty | Abshire #3 | 11,000 | 29132571 |
| 553411 | Nov 9, 2004 | Nov 9, 2004 | Cobra Oil & Gas Corporation | Liberty | Lemond #1 | 11,000 | 29132570 |
| 551285 | Sep 21, 2004 | Sep 21, 2004 | Cobra Oil & Gas Corporation | Liberty | Magnolia Grove Unit #1 | 14,500 | 29132559 |
| 550814 | Sep 10, 2004 | Sep 10, 2004 | Cobra Oil & Gas Corporation | Hardin | Isaac #1 | 10,000 | 19932937 |
| 549930 | Aug 23, 2004 | Aug 23, 2004 | Cobra Oil & Gas Corporation | Hardin | Cayman #1 | 9,800 | 19932930 |
| 549930Amendment | Aug 23, 2004 | Aug 23, 2004 | Cobra Oil & Gas Corporation | Hardin | Cayman #1 | 9,800 | 19932930 |
| 548305 | Jul 15, 2004 | Jul 15, 2004 | Cobra Oil & Gas Corporation | Liberty | Apache Corp. Unit #2 | 10,000 | 29132545 |
| 548305Amendment | Jul 15, 2004 | Jul 15, 2004 | Cobra Oil & Gas Corporation | Liberty | Apache Corp. Unit #2 | 10,000 | 29132545 |
| 546854 | Jun 14, 2004 | Jun 14, 2004 | Cobra Oil & Gas Corporation | Hardin | Houston Baptist University #6 | 9,500 | 19932919 |
| 544059 | Apr 29, 2004 | Apr 29, 2004 | Cobra Oil & Gas Corporation | Hardin | B.P. America #3 | 10,000 | 19932911 |
| 544060 | Apr 5, 2004 | Apr 5, 2004 | Cobra Oil & Gas Corporation | Hardin | Williams 522 #2 | 10,000 | 19932910 |
| 541900 | Mar 5, 2004 | Mar 5, 2004 | Cobra Oil & Gas Corporation | Hardin | BP America #2 | 9,500 | 19932907 |
| 541976 | Feb 12, 2004 | Feb 12, 2004 | Cobra Oil & Gas Corporation | Liberty | Maidstone #1 | 14,000 | 29132519 |
| 541976Amendment | Feb 12, 2004 | Feb 12, 2004 | Cobra Oil & Gas Corporation | Liberty | Maidstone #1 | 14,000 | 29132519 |
| 540205 | Dec 29, 2003 | Dec 29, 2003 | Cobra Oil & Gas Corporation | Brazoria | Taurus Unit #1 | 15,500 | 03932833 |
| 538508 | Nov 12, 2003 | Nov 12, 2003 | Cobra Oil & Gas Corporation | Liberty | Cahoon Deep Unit #1 | 11,000 | 29132505 |
| 538508Amendment | Nov 12, 2003 | Nov 12, 2003 | Cobra Oil & Gas Corporation | Liberty | Cahoon Deep Unit #1 | 11,000 | 29132505 |
| 536702 | Sep 23, 2003 | Sep 23, 2003 | Cobra Oil & Gas Corporation | Hardin | Jamaica #1 | 10,000 | 19932892 |
| 536701 | Sep 23, 2003 | Sep 23, 2003 | Cobra Oil & Gas Corporation | Liberty | Campbell, Mary #1 | 11,000 | 29132495 |
| 535844 | Aug 28, 2003 | Aug 28, 2003 | Cobra Oil & Gas Corporation | Hardin | Houston Baptist University #5 | 10,000 | 19932890 |
| 535844Amendment | Aug 28, 2003 | Aug 28, 2003 | Cobra Oil & Gas Corporation | Hardin | Houston Baptist University #5 | 10,000 | 19932890 |
| 535156 | Aug 11, 2003 | Aug 11, 2003 | Cobra Oil & Gas Corporation | Liberty | Brook Hollow #1 | 14,000 | 29132489 |
| 535156Amendment | Aug 11, 2003 | Aug 11, 2003 | Cobra Oil & Gas Corporation | Liberty | Brook Hollow #1 | 12,191 | 29132489 |
| 532494 | May 29, 2003 | May 29, 2003 | Cobra Oil & Gas Corporation | Liberty | Ram Rock #1 | 15,500 | 29132480 |
| 532494Amendment | May 29, 2003 | May 29, 2003 | Cobra Oil & Gas Corporation | Liberty | Ram Rock #1 | 16,000 | 29132480 |
| 531602 | May 6, 2003 | May 6, 2003 | Cobra Oil & Gas Corporation | Hardin | B. P. America #1 | 10,500 | 19932883 |
| 530590 | Apr 11, 2003 | Apr 11, 2003 | Cobra Oil & Gas Corporation | Hardin | Kirkpatrick #1 | 10,500 | 19932878 |
| 529522 | Apr 8, 2003 | Apr 8, 2003 | Cobra Oil & Gas Corporation | Glasscock | Hillger-Kolb Unit #3 | 8,000 | 17333108 |
| 525568 | Nov 15, 2002 | Nov 15, 2002 | Cobra Oil & Gas Corporation | Fort Bend | Gemini Gas Unit #1 | 9,000 | 15732055 |
| 523496 | Sep 9, 2002 | Sep 9, 2002 | Cobra Oil & Gas Corporation | Chambers | Houston Arts Foundation #1 | 14,500 | 07132231 |
| 522580 | Aug 6, 2002 | Aug 6, 2002 | Cobra Oil & Gas Corporation | Liberty | Hankamer #1 | 13,000 | 29132443 |
| 522580Amendment | Aug 6, 2002 | Aug 6, 2002 | Cobra Oil & Gas Corporation | Liberty | Hankamer #1 | 13,000 | 29132443 |
| 521656 | Jul 8, 2002 | Jul 8, 2002 | Cobra Oil & Gas Corporation | Fort Bend | Hercules #1 | 10,500 | 15732136 |
| 519842 | May 9, 2002 | May 9, 2002 | Cobra Oil & Gas Corporation | Hardin | Fortenberry 741 #1 | 10,500 | 19932816 |
| 519398 | Apr 24, 2002 | Apr 24, 2002 | Cobra Oil & Gas Corporation | Liberty | Cahoon Unit #1 | 10,500 | 29132435 |
| 519398Amendment | Apr 24, 2002 | Apr 24, 2002 | Cobra Oil & Gas Corporation | Liberty | Cahoon Unit #1 | 10,170 | 29132435 |
| 518499 | Mar 22, 2002 | Mar 22, 2002 | Cobra Oil & Gas Corporation | Fort Bend | Aries #1 | 10,000 | 15732182 |
| 512491 | Aug 13, 2001 | Aug 13, 2001 | Cobra Oil & Gas Corporation | Sterling | Stewart 2 #1 | 8,000 | 43133026 |
| 510610 | Jun 22, 2001 | Jun 22, 2001 | Cobra Oil & Gas Corporation | Hardin | Texas American Resources 493 #1 | 11,500 | 19932844 |
| 509930 | Jun 6, 2001 | Jun 6, 2001 | Cobra Oil & Gas Corporation | Fort Bend | Libra Unit #3 | 10,000 | 15732145 |
| 508190 | Apr 25, 2001 | Apr 25, 2001 | Cobra Oil & Gas Corporation | Hardin | Williams 522 #1 | 10,500 | 19932840 |
| 508190Amendment | Apr 25, 2001 | Apr 25, 2001 | Cobra Oil & Gas Corporation | Hardin | Williams 522 #1 | 10,500 | 19932840 |
| 507401 | Apr 4, 2001 | Apr 4, 2001 | Cobra Oil & Gas Corporation | Hardin | Champion 527 #1 | 9,000 | 19932836 |
| 507261 | Mar 30, 2001 | Mar 30, 2001 | Cobra Oil & Gas Corporation | Glasscock | Hillger SWD #1 | 8,000 | 17333060 |
| 506845 | Mar 22, 2001 | Mar 22, 2001 | Cobra Oil & Gas Corporation | Fort Bend | Capricorn Unit #2 | 14,000 | 15732145 |
| 506845Amendment | Mar 22, 2001 | Mar 22, 2001 | Cobra Oil & Gas Corporation | Fort Bend | Libra Unit #3 | 10,000 | 15732145 |
| 504798 | Jan 31, 2001 | Jan 31, 2001 | Cobra Oil & Gas Corporation | Fort Bend | Hercules #1 | 10,500 | 15732136 |
| 504450 | Jan 23, 2001 | Jan 23, 2001 | Cobra Oil & Gas Corporation | Hardin | Quinn 84 #2 | 16,000 | 19932825 |
| 504450Amendment | Jan 23, 2001 | Jan 23, 2001 | Cobra Oil & Gas Corporation | Hardin | Quinn 84 #2 | 16,000 | 19932825 |