| 846345 | Nov 2, 2018 | Nov 2, 2018 | Northfield Enterprises, Inc. | Robertson | SVR #66H | 8,000 | 39532029 |
| 840860 | Jun 12, 2018 | Jun 12, 2018 | Northfield Enterprises, Inc. | Brazos | Vista Ridge ''D'' #4H | 8,000 | 04132516 |
| 840860Amendment | Jun 12, 2018 | Jun 12, 2018 | Northfield Enterprises, Inc. | Brazos | Vista Ridge ''D'' #4H | 8,000 | 04132516 |
| 829206 | Aug 28, 2017 | Aug 28, 2017 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch J #10H | 7,003 | 39530473 |
| 816092 | Jun 9, 2016 | Jun 9, 2016 | Northfield Enterprises, Inc. | Brazos | Vista Ridge #1H | 8,500 | 04131527 |
| 812489 | Dec 30, 2015 | Dec 30, 2015 | Northfield Enterprises, Inc. | Robertson | PC #106H | 7,500 | 39531986 |
| 810608 | Oct 7, 2015 | Oct 7, 2015 | Northfield Enterprises, Inc. | Robertson | PC #104H | 7,500 | 39531984 |
| 810607 | Sep 30, 2015 | Sep 30, 2015 | Northfield Enterprises, Inc. | Robertson | PC #102H | 7,500 | 39531983 |
| 797442 | Oct 10, 2014 | Oct 10, 2014 | Northfield Enterprises, Inc. | Robertson | SVR 'B' #298H | 7,500 | 39531967 |
| 797441 | Oct 10, 2014 | Oct 10, 2014 | Northfield Enterprises, Inc. | Robertson | SVR 'B' #296H | 7,500 | 39531966 |
| 770959 | Oct 8, 2013 | Oct 8, 2013 | Northfield Enterprises, Inc. | Robertson | SVR 'B' #297H | 7,500 | 39531935 |
| 766377 | Jul 22, 2013 | Jul 22, 2013 | Northfield Enterprises, Inc. | Robertson | SVR B #295H | 7,500 | 39530446 |
| 759903 | Apr 4, 2013 | Apr 4, 2013 | Northfield Enterprises, Inc. | Robertson | SVR #101H | 7,500 | 39530464 |
| 736924 | Apr 11, 2012 | Apr 11, 2012 | Northfield Enterprises, Inc. | Robertson | Persimmon Creek C #3H | 9,000 | 39531883 |
| 736924Amendment | Apr 11, 2012 | Apr 11, 2012 | Northfield Enterprises, Inc. | Robertson | Persimmon Creek C #3H | 9,000 | 39531883 |
| 724634 | Sep 23, 2011 | Sep 23, 2011 | Northfield Enterprises, Inc. | Robertson | Bobcat Bottoms Ranch BB #2H | 9,000 | 39531829 |
| 721408 | Aug 5, 2011 | Aug 5, 2011 | Northfield Enterprises, Inc. | Robertson | Bobcat Bottoms Ranch B #2H | 9,000 | 39531821 |
| 706285 | Dec 7, 2010 | Dec 7, 2010 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch K #11H | 9,000 | 39530892 |
| 706285Amendment | Dec 7, 2010 | Dec 7, 2010 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch K #11H | 9,000 | 39530892 |
| 696296 | May 25, 2010 | May 25, 2010 | Northfield Enterprises, Inc. | Robertson | Persimmon Creek F #6H | 9,000 | 39530368 |
| 688265 | Dec 11, 2009 | Dec 11, 2009 | Northfield Enterprises, Inc. | Brazos | Vista Ridge F #6H | 9,000 | 04131897 |
| 674534 | Nov 21, 2008 | Nov 21, 2008 | Northfield Enterprises, Inc. | Brazos | Vista Ridge "G" #7H | 9,000 | 04131132 |
| 674534Amendment | Nov 21, 2008 | Nov 21, 2008 | Northfield Enterprises, Inc. | Brazos | Vista Ridge "G" #7H | 9,000 | 04131132 |
| 624746Amendment | Oct 2, 2008 | Oct 2, 2008 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch F #6H | 9,000 | 39530369 |
| 650986 | Dec 15, 2007 | Dec 15, 2007 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch LL #12H | 8,000 | 39531364 |
| 650986Amendment | Dec 15, 2007 | Dec 15, 2007 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch LL #12H | 8,000 | 39531364 |
| 631826 | Jan 19, 2007 | Jan 19, 2007 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch H #8H | 9,000 | 39530437 |
| 631826Amendment | Jan 19, 2007 | Jan 19, 2007 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch H #8H | 9,000 | 39530437 |
| 624746 | Aug 22, 2006 | Aug 22, 2006 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch F #6H | 9,000 | 39530369 |
| 624746Amendment | Aug 22, 2006 | Aug 22, 2006 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch F #6H | 9,000 | 39530369 |
| 620713 | Jun 9, 2006 | Jun 9, 2006 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch J #10H | 9,000 | 39530473 |
| 620713Amendment | Jun 9, 2006 | Jun 9, 2006 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch J #10H | 9,000 | 39530473 |
| 619578 | May 19, 2006 | May 19, 2006 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch "L" #12H | 8,000 | 39530974 |
| 619578Amendment | May 19, 2006 | May 19, 2006 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch "L" #12H | 8,000 | 39530974 |
| 613316 | Feb 6, 2006 | Feb 6, 2006 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch 'K' #11H | 9,000 | 39530892 |
| 613316Amendment | Feb 6, 2006 | Feb 6, 2006 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch 'K' #11H | 6,965 | 39530892 |
| 613314 | Feb 6, 2006 | Feb 6, 2006 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch #9 | 9,000 | 39530446 |
| 605688 | Aug 31, 2005 | Aug 31, 2005 | Northfield Enterprises, Inc. | Robertson | Persimmon Creek "E" #5H | 9,000 | 39530328 |
| 603638 | Jul 19, 2005 | Jul 19, 2005 | Northfield Enterprises, Inc. | Robertson | Persimmon Creek 'D' #4H | 9,000 | 39530367 |
| 603638Amendment | Jul 19, 2005 | Jul 19, 2005 | Northfield Enterprises, Inc. | Robertson | Persimmon Creek 'D' #4H | 7,737 | 39530367 |
| 556221 | Jan 14, 2005 | Jan 14, 2005 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch "L" #12H | 8,000 | 39530974 |
| 552193 | Oct 12, 2004 | Oct 12, 2004 | Northfield Enterprises, Inc. | Robertson | Persimmon Creek "B" #2H | 8,000 | 39530951 |
| 550587 | Sep 15, 2004 | Sep 15, 2004 | Northfield Enterprises, Inc. | Robertson | Post Oak B #2H | 8,000 | 39530505 |
| 548213 | Jul 15, 2004 | Jul 15, 2004 | Northfield Enterprises, Inc. | Robertson | Persimmon Creek "A" #1H | 8,000 | 39530923 |
| 546767 | Jun 10, 2004 | Jun 10, 2004 | Northfield Enterprises, Inc. | Brazos | Windy Hill Ranch B #2H | 9,000 | 04130767 |
| 543576 | Mar 23, 2004 | Mar 23, 2004 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch K #11H | 9,000 | 39530892 |
| 540450 | Jan 7, 2004 | Jan 7, 2004 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch E #5H | 8,000 | 39530376 |
| 536925 | Sep 29, 2003 | Sep 29, 2003 | Northfield Enterprises, Inc. | Robertson | Strawser #1H | 8,000 | 39530407 |
| 533085 | Jun 13, 2003 | Jun 13, 2003 | Northfield Enterprises, Inc. | Brazos | Vista Ridge #1H | 9,000 | 04131527 |
| 528689 | Feb 20, 2003 | Feb 20, 2003 | Northfield Enterprises, Inc. | Robertson | Cypress #1H | 8,000 | 39530530 |
| 528689Amendment | Feb 20, 2003 | Feb 20, 2003 | Northfield Enterprises, Inc. | Robertson | Cypress #1H | 8,000 | 39530530 |
| 526400 | Dec 30, 2002 | Dec 30, 2002 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch #13 | 8,000 | 39530455 |
| 526400Amendment | Dec 30, 2002 | Dec 30, 2002 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch #13H | 8,000 | 39530455 |
| 526400Amendment | Dec 30, 2002 | Dec 30, 2002 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch M #13H | 9,000 | 39530455 |
| 525584 | Nov 21, 2002 | Nov 21, 2002 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch J #10H | 8,000 | 39530473 |
| 524219 | Oct 2, 2002 | Oct 2, 2002 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch C #3H | 8,000 | 39530387 |
| 524219Amendment | Oct 2, 2002 | Oct 2, 2002 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch C #3H | 8,000 | 39530387 |
| 523033 | Aug 30, 2002 | Aug 30, 2002 | Northfield Enterprises, Inc. | Robertson | Post Oak B #2H | 8,000 | 39530505 |
| 523033Amendment | Aug 30, 2002 | Aug 30, 2002 | Northfield Enterprises, Inc. | Robertson | Post Oak B #2H | 8,000 | 39530505 |
| 518937 | Apr 25, 2002 | Apr 25, 2002 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch H #8H | 8,000 | 39530437 |
| 514875 | Nov 7, 2001 | Nov 7, 2001 | Northfield Enterprises, Inc. | Brazos | Williams Ranch B #2H | 8,000 | 04131436 |
| 511873 | Jul 31, 2001 | Jul 31, 2001 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch B #2H | 8,000 | 39530366 |
| 511873Amendment | Jul 31, 2001 | Jul 31, 2001 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch B #2H | 8,000 | 39530366 |
| 502354 | Dec 19, 2000 | Dec 19, 2000 | Northfield Enterprises, Inc. | Robertson | Hancock #3BH | 8,500 | 39530626 |
| 499408 | Sep 15, 2000 | Sep 15, 2000 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch #8H | 8,500 | 39530437 |
| 497223 | Jul 26, 2000 | Jul 26, 2000 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch #13H | 8,000 | 39530455 |
| 494382 | Apr 27, 2000 | Apr 27, 2000 | Northfield Enterprises, Inc. | Brazos | Windy Hill Ranch A #1H | 7,400 | 04131408 |
| 494382Amendment | Apr 27, 2000 | Apr 27, 2000 | Northfield Enterprises, Inc. | Brazos | Windy Hill Ranch A #1H | 7,500 | 04131408 |
| 491995 | Feb 15, 2000 | Feb 15, 2000 | Northfield Enterprises, Inc. | Brazos | JB #1H | 8,000 | 04131560 |
| 491995Amendment | Feb 15, 2000 | Feb 15, 2000 | Northfield Enterprises, Inc. | Brazos | JB #1H | 8,000 | 04131560 |
| 491995Amendment | Feb 15, 2000 | Feb 15, 2000 | Northfield Enterprises, Inc. | Brazos | JB #1H | 8,500 | 04131560 |
| 490782 | Jan 13, 2000 | Jan 13, 2000 | Northfield Enterprises, Inc. | Robertson | Hancock #7H | 8,000 | 39530400 |
| 488293 | Nov 22, 1999 | Nov 22, 1999 | Northfield Enterprises, Inc. | Robertson | Hancock #5AH | 7,500 | 39530429 |
| 488293Amendment | Nov 22, 1999 | Nov 22, 1999 | Northfield Enterprises, Inc. | Robertson | Hancock #5AH | 8,000 | 39530429 |
| 479895 | Oct 6, 1998 | Oct 6, 1998 | Northfield Enterprises, Inc. | Robertson | Cypress #2BH | 8,000 | 39530575 |
| 479895Amendment | Oct 6, 1998 | Oct 6, 1998 | Northfield Enterprises, Inc. | Robertson | Cypress #2BH | 8,000 | 39530575 |
| 479895Amendment | Oct 6, 1998 | Oct 6, 1998 | Northfield Enterprises, Inc. | Robertson | Cypress B #2H | 8,000 | 39530575 |
| 476674 | Jun 5, 1998 | Jun 5, 1998 | Northfield Enterprises, Inc. | Robertson | Cypress #2H | 8,000 | 39530568 |
| 476677 | Jun 4, 1998 | Jun 4, 1998 | Northfield Enterprises, Inc. | Robertson | Blackjack #1H | 8,000 | 39530567 |
| 465877 | Aug 8, 1997 | Aug 8, 1997 | Northfield Enterprises, Inc. | Robertson | Cypress #1H | 8,000 | 39530530 |
| 461685 | May 6, 1997 | May 6, 1997 | Northfield Enterprises, Inc. | Robertson | Post Oak B #2H | 8,000 | 39530505 |
| 458846 | Mar 3, 1997 | Mar 3, 1997 | Northfield Enterprises, Inc. | Robertson | Strawser #1H | 7,500 | 39530407 |
| 456329 | Dec 16, 1996 | Dec 16, 1996 | Northfield Enterprises, Inc. | Robertson | Post Oak #1H | 8,000 | 39530485 |
| 454504 | Oct 29, 1996 | Oct 29, 1996 | Northfield Enterprises, Inc. | Robertson | Spring Valley #9H | 8,000 | 39530446 |
| 452393 | Sep 11, 1996 | Sep 11, 1996 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch "A" #10H | 8,000 | 39530473 |
| 448780 | Jun 5, 1996 | Jun 5, 1996 | Northfield Enterprises, Inc. | Robertson | Hancock #1H | 8,000 | 39530464 |
| 444590 | Mar 29, 1996 | Mar 29, 1996 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch #8H | 8,000 | 39530437 |
| 445533 | Mar 7, 1996 | Mar 7, 1996 | Northfield Enterprises, Inc. | Robertson | Spring Valley #13H | 8,000 | 39530455 |
| 441944 | Nov 21, 1995 | Nov 21, 1995 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch #9H | 8,000 | 39530446 |
| 438484 | Aug 28, 1995 | Aug 28, 1995 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch #8H | 8,000 | 39530437 |
| 438484Amendment | Aug 28, 1995 | Aug 28, 1995 | Northfield Enterprises, Inc. | Robertson | Spring Valley Ranch #8H | 8,000 | 39530437 |
| 432681 | Feb 16, 1995 | Feb 16, 1995 | Northfield Enterprises, Inc. | Robertson | Hancock #5AH | 12,200 | 39530429 |
| 429756 | Nov 28, 1994 | Nov 28, 1994 | Northfield Enterprises, Inc. | Robertson | Hancock #5CH | 7,200 | 39530376 |
| 429757 | Nov 14, 1994 | Nov 14, 1994 | Northfield Enterprises, Inc. | Robertson | Hancock #5BH | 12,200 | 39530420 |
| 429757Amendment | Nov 14, 1994 | Nov 14, 1994 | Northfield Enterprises, Inc. | Robertson | Hancock #5BH | 12,200 | 39530420 |
| 422961 | Apr 22, 1994 | Apr 22, 1994 | Northfield Enterprises, Inc. | Robertson | Strawser #1H | 13,000 | 39530407 |