| 830609Amendment | Sep 8, 2017 | Sep 8, 2017 | Bay Rock Operating Company | Live Oak | House, Jerry L. #1 | 8,000 | 29735895 |
| 813478 | Jan 29, 2016 | Jan 29, 2016 | Bay Rock Operating Company | Young | Gameson #6 | 4,930 | 50341871 |
| 802832 | Jan 21, 2015 | Jan 21, 2015 | Bay Rock Operating Company | Young | Zotz-Sanders #1 | 5,200 | 50342279 |
| 796658 | Oct 3, 2014 | Oct 3, 2014 | Bay Rock Operating Company | Young | Williams #1 | 4,990 | 50342249 |
| 764035 | Jun 10, 2013 | Jun 10, 2013 | Bay Rock Operating Company | Young | Sanders #1 | 5,300 | 50342076 |
| 756305 | Feb 22, 2013 | Feb 22, 2013 | Bay Rock Operating Company | Young | Gameson #7 | 5,200 | 50342044 |
| 747123 | Sep 5, 2012 | Sep 5, 2012 | Bay Rock Operating Company | Young | Peterson D #1 | 5,150 | 50342006 |
| 744498 | Jul 23, 2012 | Jul 23, 2012 | Bay Rock Operating Company | Young | Wilton-Gameson Unit #1 | 5,200 | 50341998 |
| 742517 | Jun 18, 2012 | Jun 18, 2012 | Bay Rock Operating Company | Young | Peterson a Unit #1 | 5,150 | 50341870 |
| 741223 | Jun 1, 2012 | Jun 1, 2012 | Bay Rock Operating Company | Young | Brown #6 | 5,200 | 50341975 |
| 736644 | Apr 5, 2012 | Apr 5, 2012 | Bay Rock Operating Company | Live Oak | Block 71 Unit #2 | 6,700 | 29733867 |
| 733141 | Feb 9, 2012 | Feb 9, 2012 | Bay Rock Operating Company | Young | Peterson C #1 | 5,280 | 50341931 |
| 732602 | Feb 8, 2012 | Feb 8, 2012 | Bay Rock Operating Company | Young | Peterson B Unit #1 | 5,300 | 50341930 |
| 729269 | Dec 8, 2011 | Dec 8, 2011 | Bay Rock Operating Company | Young | Brown #5 | 5,200 | 50341908 |
| 728221 | Nov 17, 2011 | Nov 17, 2011 | Bay Rock Operating Company | Young | Vivian Wilton #6 | 6,100 | 50341903 |
| 721899 | Aug 19, 2011 | Aug 19, 2011 | Bay Rock Operating Company | Young | Peterson 'A' #1 | 4,950 | 50341870 |
| 721900 | Aug 12, 2011 | Aug 12, 2011 | Bay Rock Operating Company | Young | Gameson #6 | 5,000 | 50341871 |
| 721900Amendment | Aug 12, 2011 | Aug 12, 2011 | Bay Rock Operating Company | Young | Gameson #6 | 5,270 | 50341871 |
| 721900Amendment | Aug 12, 2011 | Aug 12, 2011 | Bay Rock Operating Company | Young | Gameson #6 | 5,270 | 50341871 |
| 717498 | Jun 6, 2011 | Jun 6, 2011 | Bay Rock Operating Company | Karnes | Krueger #2 | 7,260 | 25531988 |
| 715831 | May 13, 2011 | May 13, 2011 | Bay Rock Operating Company | Young | Brown-Peterson Unit #1 | 5,000 | 50341830 |
| 712071 | Mar 24, 2011 | Mar 24, 2011 | Bay Rock Operating Company | Young | Vivian Wilton #5 | 4,900 | 50341809 |
| 711540 | Mar 24, 2011 | Mar 24, 2011 | Bay Rock Operating Company | Karnes | Krueger #1 | 7,250 | 25531901 |
| 709832 | Feb 9, 2011 | Feb 9, 2011 | Bay Rock Operating Company | Young | Gameson 'A' #5 | 5,000 | 50341800 |
| 709832Amendment | Feb 9, 2011 | Feb 9, 2011 | Bay Rock Operating Company | Young | Gameson "B" #5 | 5,000 | 50341800 |
| 707213 | Dec 22, 2010 | Dec 22, 2010 | Bay Rock Operating Company | Young | Stewart #1 | 4,950 | 50341789 |
| 704973 | Nov 12, 2010 | Nov 12, 2010 | Bay Rock Operating Company | Young | Don Peterson "A" #1 | 5,200 | 50341774 |
| 703279 | Oct 18, 2010 | Oct 18, 2010 | Bay Rock Operating Company | Young | Peterson #1 | 4,900 | 50341766 |
| 703163 | Oct 11, 2010 | Oct 11, 2010 | Bay Rock Operating Company | Young | Vivian Wilton #4 | 4,900 | 50341761 |
| 701161 | Aug 31, 2010 | Aug 31, 2010 | Bay Rock Operating Company | Young | Gameson A #4 | 4,850 | 50341758 |
| 694330 | Apr 23, 2010 | Apr 23, 2010 | Bay Rock Operating Company | Young | Brown #4 | 4,900 | 50341721 |
| 692405 | Mar 19, 2010 | Mar 19, 2010 | Bay Rock Operating Company | Young | Vivian Wilton Unit #3 | 4,900 | 50341710 |
| 691270 | Mar 2, 2010 | Mar 2, 2010 | Bay Rock Operating Company | Young | Gameson #3 | 4,900 | 50341708 |
| 689096 | Dec 31, 2009 | Dec 31, 2009 | Bay Rock Operating Company | Karnes | Janosek #1 | 5,500 | 25531470 |
| 685798 | Dec 1, 2009 | Dec 1, 2009 | Bay Rock Operating Company | Young | Brown #1 | 4,800 | 50341531 |
| 686150 | Oct 21, 2009 | Oct 21, 2009 | Bay Rock Operating Company | Young | Brown #3 | 4,900 | 50341689 |
| 684256 | Aug 28, 2009 | Aug 28, 2009 | Bay Rock Operating Company | Young | Gameson Unit #2 | 4,900 | 50341681 |
| 683394 | Aug 4, 2009 | Aug 4, 2009 | Bay Rock Operating Company | Young | Vivian Wilton #2 | 4,900 | 50341677 |
| 678482 | Mar 10, 2009 | Mar 10, 2009 | Bay Rock Operating Company | Young | Brown #2 | 5,000 | 50341655 |
| 678482Amendment | Mar 10, 2009 | Mar 10, 2009 | Bay Rock Operating Company | Young | Brown #2 | 5,000 | 50341655 |
| 677929 | Feb 9, 2009 | Feb 9, 2009 | Bay Rock Operating Company | Young | Clerihew #1 | 4,850 | 50341653 |
| 672676 | Oct 14, 2008 | Oct 14, 2008 | Bay Rock Operating Company | Jack | Voyles 110 #1 | 5,100 | 23738936 |
| 672672 | Oct 13, 2008 | Oct 13, 2008 | Bay Rock Operating Company | Young | Gameson #1 | 5,150 | 50341613 |
| 671845 | Oct 6, 2008 | Oct 6, 2008 | Bay Rock Operating Company | Young | Gameson-Peterson Unit #1 | 5,250 | 50341605 |
| 662774 | Jun 11, 2008 | Jun 11, 2008 | Bay Rock Operating Company | Young | Frank Wilton #3 | 5,150 | 50341546 |
| 660548 | May 16, 2008 | May 16, 2008 | Bay Rock Operating Company | Young | Wilton, Frank #2 | 5,200 | 50341534 |
| 660381 | May 13, 2008 | May 13, 2008 | Bay Rock Operating Company | Young | Wilton, Frank #1 | 5,200 | 50341538 |
| 660199 | May 6, 2008 | May 6, 2008 | Bay Rock Operating Company | Young | Brown #1 | 5,400 | 50341531 |
| 660199Amendment | May 6, 2008 | May 6, 2008 | Bay Rock Operating Company | Young | Brown #1 | 5,400 | 50341531 |
| 659379 | Apr 28, 2008 | Apr 28, 2008 | Bay Rock Operating Company | Jack | M4 Ranch #1 | 5,850 | 23739213 |
| 652091 | Dec 31, 2007 | Dec 31, 2007 | Bay Rock Operating Company | Jack | Voyles - Gregg Unit #1 | 5,850 | 23739195 |
| 647724 | Oct 18, 2007 | Oct 18, 2007 | Bay Rock Operating Company | Young | Wilton, Vivian #1 | 5,200 | 50341452 |
| 647719 | Oct 18, 2007 | Oct 18, 2007 | Bay Rock Operating Company | Young | Wilton Unit #1 | 5,200 | 50341453 |
| 624929 | Sep 6, 2006 | Sep 6, 2006 | Bay Rock Operating Company | Karnes | Dewalt #1 | 7,200 | 25531547 |
| 623228 | Jul 26, 2006 | Jul 26, 2006 | Bay Rock Operating Company | Karnes | Gisler, Alfreda #1 | 7,200 | 25531545 |
| 606877 | Sep 30, 2005 | Sep 30, 2005 | Bay Rock Operating Company | Goliad | Allen #9 | 7,600 | 17530173 |
| 558391 | Apr 13, 2005 | Apr 13, 2005 | Bay Rock Operating Company | Karnes | Putnam Gas Unit #1 | 7,500 | 25531403 |
| 557066 | Feb 1, 2005 | Feb 1, 2005 | Bay Rock Operating Company | Atascosa | Stafford #2 | 2,000 | 01334189 |
| 553939 | Dec 3, 2004 | Dec 3, 2004 | Bay Rock Operating Company | De Witt | Dietze #1 | 3,700 | 12331998 |
| 553939Amendment | Dec 3, 2004 | Dec 3, 2004 | Bay Rock Operating Company | De Witt | Dietze #1 | 3,700 | 12331998 |
| 540754 | Jan 22, 2004 | Jan 22, 2004 | Bay Rock Operating Company | Atascosa | Stafford #1 | 8,000 | 01334180 |
| 533088 | Jun 17, 2003 | Jun 17, 2003 | Bay Rock Operating Company | Karnes | Janosek #1 | 7,250 | 25531470 |
| 526282 | Dec 10, 2002 | Dec 10, 2002 | Bay Rock Operating Company | Karnes | Pargmann #1 | 5,000 | 25531440 |
| 516517 | Jan 4, 2002 | Jan 4, 2002 | Bay Rock Operating Company | Wharton | Kubala #2 | 3,950 | 48134121 |
| 515963 | Dec 12, 2001 | Dec 12, 2001 | Bay Rock Operating Company | Karnes | Pargmann #1 | 7,300 | 25531440 |
| 515963Amendment | Dec 12, 2001 | Dec 12, 2001 | Bay Rock Operating Company | Karnes | Pargmann #1 | 7,300 | 25531440 |
| 515880 | Dec 11, 2001 | Dec 11, 2001 | Bay Rock Operating Company | Karnes | Reamy #1 | 7,200 | 25531439 |
| 515880Amendment | Dec 11, 2001 | Dec 11, 2001 | Bay Rock Operating Company | Karnes | Reamy #1 | 7,200 | 25531439 |
| 513870 | Oct 2, 2001 | Oct 2, 2001 | Bay Rock Operating Company | Wharton | Mnrustik #1 | 3,500 | 48133997 |
| 511095 | Jul 13, 2001 | Jul 13, 2001 | Bay Rock Operating Company | Wharton | Havel #1 | 5,100 | 48134201 |
| 511095Amendment | Jul 13, 2001 | Jul 13, 2001 | Bay Rock Operating Company | Wharton | Havel #1 | 5,504 | 48134201 |
| 510170 | Jun 12, 2001 | Jun 12, 2001 | Bay Rock Operating Company | Karnes | Bluhm Unit #2 | 7,400 | 25531435 |
| 509663 | May 31, 2001 | May 31, 2001 | Bay Rock Operating Company | Karnes | Bradley #2 | 7,500 | 25531434 |
| 508457 | May 8, 2001 | May 8, 2001 | Bay Rock Operating Company | Karnes | Bradley #1 | 7,500 | 25531149 |
| 508456 | May 8, 2001 | May 8, 2001 | Bay Rock Operating Company | Karnes | Bluhm Unit #1 | 7,500 | 25500502 |
| 500209 | Oct 3, 2000 | Oct 3, 2000 | Bay Rock Operating Company | Wharton | Thornton #1 | 5,505 | 48134267 |
| 492902 | Mar 9, 2000 | Mar 9, 2000 | Bay Rock Operating Company | Wharton | Havel #1 | 5,550 | 48134201 |
| 492876 | Mar 8, 2000 | Mar 8, 2000 | Bay Rock Operating Company | Wharton | Drastata Unit #1 | 5,550 | 48134200 |
| 492557 | Feb 29, 2000 | Feb 29, 2000 | Bay Rock Operating Company | Wharton | Harper #3 | 5,100 | 48134197 |
| 485504 | Jul 8, 1999 | Jul 8, 1999 | Bay Rock Operating Company | Wharton | Otell #1 | 4,850 | 48134126 |
| 484789 | Jun 4, 1999 | Jun 4, 1999 | Bay Rock Operating Company | Wharton | Kubala #2 | 5,000 | 48134121 |
| 470556 | Nov 25, 1997 | Nov 25, 1997 | Bay Rock Operating Company | Cherokee | Levi #1 | 5,500 | 07330916 |
| 470555 | Nov 25, 1997 | Nov 25, 1997 | Bay Rock Operating Company | Duval | Strasburger A #1 | 3,000 | 13138224 |
| 427282 | Apr 22, 1997 | Apr 22, 1997 | Bay Rock Operating Company | Live Oak | Block 71 Unit #2 | 7,800 | 29733867 |
| 457652 | Jan 21, 1997 | Jan 21, 1997 | Bay Rock Operating Company | Duval | Strasburger, Harry Est. et Al #1 | 1,400 | 13138169 |
| 457652Amendment | Jan 21, 1997 | Jan 21, 1997 | Bay Rock Operating Company | Duval | Strasburger, Harry Est. et Al #1 | 1,400 | 13138169 |
| 454013 | Oct 17, 1996 | Oct 17, 1996 | Bay Rock Operating Company | Castro | Steakley #1 | 3,990 | 06930105 |
| 440524 | Oct 6, 1995 | Oct 6, 1995 | Bay Rock Operating Company | Live Oak | Block 70 Unit 3 #1 | 6,450 | 29733791 |
| 412312 | Jun 14, 1993 | Jun 14, 1993 | Bay Rock Operating Company | La Salle | Offield et al Unit #1 | 7,500 | 28331528 |
| 400479 | Jun 29, 1992 | Jun 29, 1992 | Bay Rock Operating Company | Live Oak | Block 71 Unit #1 | 7,500 | 29733843 |
| 400251 | Jun 24, 1992 | Jun 24, 1992 | Bay Rock Operating Company | Live Oak | Block 70, Unit 3 #1 | 7,000 | 29733791 |
| 391469 | Sep 4, 1991 | Sep 4, 1991 | Bay Rock Operating Company | Goliad | Powell #1 | 5,500 | 17532190 |
| 384352 | Feb 20, 1991 | Feb 20, 1991 | Bay Rock Operating Company | Karnes | Burris-Oxford Unit 1 #1 | 4,400 | 25531278 |
| 384351 | Feb 20, 1991 | Feb 20, 1991 | Bay Rock Operating Company | Karnes | Burris-Oxford Unit 2 #1 | 4,400 | 25531277 |
| 378457 | Sep 26, 1990 | Sep 26, 1990 | Bay Rock Operating Company | Atascosa | Tom, John Lytle Jr. #1 | 4,100 | 01333942 |
| 370300 | Aug 6, 1990 | Aug 6, 1990 | Bay Rock Operating Company | Karnes | Kunkel-Salyer #1 | 4,200 | 25531252 |
| 374722 | Jun 20, 1990 | Jun 20, 1990 | Bay Rock Operating Company | Zapata | Garza Family Trust #5 | 2,650 | 50532694 |
| 373516 | May 17, 1990 | May 17, 1990 | Bay Rock Operating Company | Karnes | Walter Manka Unit #1 | 4,300 | 25531259 |
| 371408 | Mar 26, 1990 | Mar 26, 1990 | Bay Rock Operating Company | Zapata | Garza Family Trust #4 | 2,650 | 50532661 |
| 370418 | Mar 6, 1990 | Mar 6, 1990 | Bay Rock Operating Company | Victoria | Wade #1 | 2,500 | 46932735 |