| 800369 | Nov 18, 2014 | Nov 18, 2014 | Neumin Production Company | Calhoun | State Tract 38 #3807 | 13,500 | 05731801 |
| 788079 | Jun 27, 2014 | Jun 27, 2014 | Neumin Production Company | Matagorda | Dawdy #1 | 10,100 | 32132372 |
| 788079Amendment | Jun 27, 2014 | Jun 27, 2014 | Neumin Production Company | Matagorda | Dawdy #1 | 10,100 | 32132372 |
| 777135 | Mar 7, 2014 | Mar 7, 2014 | Neumin Production Company | Calhoun | Quail Ridge/State Unit #3906 | 12,700 | 05731787 |
| 751653 | Nov 26, 2012 | Nov 26, 2012 | Neumin Production Company | Calhoun | State Tract 89 #2 | 9,993 | 05731648 |
| 749538 | Nov 7, 2012 | Nov 7, 2012 | Neumin Production Company | Calhoun | Quail Ridge/State Unit #3906 | 13,000 | 05731787 |
| 726373 | Oct 31, 2011 | Oct 31, 2011 | Neumin Production Company | Calhoun | Gallinipper Unit #2801 | 12,000 | 05731706 |
| 718812 | Jul 22, 2011 | Jul 22, 2011 | Neumin Production Company | Calhoun | Quail Ridge/State Unit #3905 | 13,500 | 05731781 |
| 641304Amendment | Feb 6, 2009 | Feb 6, 2009 | Neumin Production Company | Calhoun | Gallinipper Unit #3704 | 13,200 | 05731744 |
| 614938Amendment | Dec 11, 2008 | Dec 11, 2008 | Neumin Production Company | Calhoun | Gallinipper Unit #3602 | 13,000 | 05731718 |
| 662680 | Jul 17, 2008 | Jul 17, 2008 | Neumin Production Company | Refugio | Barth #1 | 6,500 | 39132854 |
| 659974 | May 1, 2008 | May 1, 2008 | Neumin Production Company | Nacogdoches | Lacy Hunt #3 | 10,500 | 34732430 |
| 653656 | Jan 30, 2008 | Jan 30, 2008 | Neumin Production Company | Harrison | Clinton, E. R. Estate #1 | 12,000 | 20334282 |
| 652136 | Jan 18, 2008 | Jan 18, 2008 | Neumin Production Company | Calhoun | State Tract 34 #1 | 16,000 | 05731764 |
| 651818 | Dec 28, 2007 | Dec 28, 2007 | Neumin Production Company | Harrison | Smitherman #1 Gas Unit #1 | 11,500 | 20334240 |
| 649193 | Nov 14, 2007 | Nov 14, 2007 | Neumin Production Company | Cherokee | Pettit #1 | 11,400 | 07331316 |
| 646558 | Sep 27, 2007 | Sep 27, 2007 | Neumin Production Company | Calhoun | Gallinipper Unit #2804 | 12,500 | 05731758 |
| 646554 | Sep 27, 2007 | Sep 27, 2007 | Neumin Production Company | Jackson | Matson #1 | 9,500 | 23933428 |
| 645208 | Aug 30, 2007 | Aug 30, 2007 | Neumin Production Company | Gregg | Le Tourneau #1 | 11,100 | 18331965 |
| 645208Amendment | Aug 30, 2007 | Aug 30, 2007 | Neumin Production Company | Gregg | Le Tourneau #1 | 11,500 | 18331965 |
| 644809 | Aug 23, 2007 | Aug 23, 2007 | Neumin Production Company | Gregg | Dickson, J. M. #3 | 11,250 | 18331962 |
| 643190 | Aug 8, 2007 | Aug 8, 2007 | Neumin Production Company | Freestone | Jenny McElroy #1 Gas Unit #5 | 12,500 | 16133966 |
| 639936 | Jul 21, 2007 | Jul 21, 2007 | Neumin Production Company | Upshur | Gage, Roy #1 | 12,500 | 45931332 |
| 641304 | Jul 5, 2007 | Jul 5, 2007 | Neumin Production Company | Calhoun | Gallinipper Unit #3704 | 13,200 | 05731744 |
| 641005 | Jul 3, 2007 | Jul 3, 2007 | Neumin Production Company | Calhoun | State Tract 11 #1 | 8,750 | 05731743 |
| 639331 | Jun 22, 2007 | Jun 22, 2007 | Neumin Production Company | Gregg | J.M. Dickson #1 | 11,250 | 18331943 |
| 639331Amendment | Jun 22, 2007 | Jun 22, 2007 | Neumin Production Company | Gregg | Dickson, J. M. #1 | 11,250 | 18331943 |
| 639011 | May 19, 2007 | May 19, 2007 | Neumin Production Company | Upshur | Davis #1 | 11,200 | 45931382 |
| 637154 | Apr 16, 2007 | Apr 16, 2007 | Neumin Production Company | Freestone | Jenny McElroy "A" #4 | 12,500 | 16133875 |
| 636154 | Apr 3, 2007 | Apr 3, 2007 | Neumin Production Company | Calhoun | State Tract 10 #1 | 10,300 | 05731737 |
| 636154Amendment | Apr 3, 2007 | Apr 3, 2007 | Neumin Production Company | Calhoun | State Tract 10 #1 | 10,300 | 05731737 |
| 636154Amendment | Apr 3, 2007 | Apr 3, 2007 | Neumin Production Company | Calhoun | State Tract 10 #1 | 10,300 | 05731737 |
| 634213 | Mar 2, 2007 | Mar 2, 2007 | Neumin Production Company | Freestone | McElroy, Jenny "A" #3 | 12,500 | 16133837 |
| 634114 | Mar 1, 2007 | Mar 1, 2007 | Neumin Production Company | Calhoun | State Tract 36 South #5 | 13,500 | 05731735 |
| 634114Amendment | Mar 1, 2007 | Mar 1, 2007 | Neumin Production Company | Calhoun | Gallinipper Unit #3605 | 13,500 | 05731735 |
| 633307 | Feb 9, 2007 | Feb 9, 2007 | Neumin Production Company | Nacogdoches | Lacy Hunt #5 | 10,500 | 34732486 |
| 631749 | Jan 11, 2007 | Jan 11, 2007 | Neumin Production Company | Nacogdoches | Lacy Hunt #4 | 10,500 | 34732463 |
| 631749Amendment | Jan 11, 2007 | Jan 11, 2007 | Neumin Production Company | Nacogdoches | Lacy Hunt #4 | 10,500 | 34732463 |
| 630310 | Dec 12, 2006 | Dec 12, 2006 | Neumin Production Company | Freestone | Jenny McElroy "A" #2 | 12,500 | 16133791 |
| 629061 | Nov 16, 2006 | Nov 16, 2006 | Neumin Production Company | Calhoun | State Tract 36 South #4 | 13,000 | 05731726 |
| 629061Amendment | Nov 16, 2006 | Nov 16, 2006 | Neumin Production Company | Calhoun | Gallinipper Unit #3604 | 13,000 | 05731726 |
| 628921 | Nov 13, 2006 | Nov 13, 2006 | Neumin Production Company | Nacogdoches | Lacy Hunt #3 | 9,500 | 34732430 |
| 628921Amendment | Nov 13, 2006 | Nov 13, 2006 | Neumin Production Company | Nacogdoches | Lacy Hunt #3 | 10,500 | 34732430 |
| 626245 | Sep 20, 2006 | Sep 20, 2006 | Neumin Production Company | Upshur | Roy Gage #1 | 12,500 | 45931332 |
| 625634 | Sep 8, 2006 | Sep 8, 2006 | Neumin Production Company | Upshur | Hubre Johnson #1 | 12,200 | 45931327 |
| 623906 | Aug 8, 2006 | Aug 8, 2006 | Neumin Production Company | Nacogdoches | Lacy Hunt #2 | 9,000 | 34732358 |
| 623906Amendment | Aug 8, 2006 | Aug 8, 2006 | Neumin Production Company | Nacogdoches | Lacy Hunt #2 | 9,500 | 34732358 |
| 623906Amendment | Aug 8, 2006 | Aug 8, 2006 | Neumin Production Company | Nacogdoches | Lacy Hunt #2 | 9,500 | 34732358 |
| 620967 | Jun 14, 2006 | Jun 14, 2006 | Neumin Production Company | Freestone | Jenny McElroy #1 | 12,800 | 16133617 |
| 616447 | Mar 24, 2006 | Mar 24, 2006 | Neumin Production Company | Calhoun | State Tract 36 #5 | 13,000 | 05731721 |
| 616447Amendment | Mar 24, 2006 | Mar 24, 2006 | Neumin Production Company | Calhoun | State Tract 36 #3 | 13,000 | 05731721 |
| 616447Amendment | Mar 24, 2006 | Mar 24, 2006 | Neumin Production Company | Calhoun | Gallinipper Unit #3603 | 13,000 | 05731721 |
| 615004 | Feb 28, 2006 | Feb 28, 2006 | Neumin Production Company | Jackson | Kubecka #1 | 11,000 | 23933363 |
| 615004Amendment | Feb 28, 2006 | Feb 28, 2006 | Neumin Production Company | Jackson | Kubecka #1 | 11,000 | 23933363 |
| 614938 | Feb 28, 2006 | Feb 28, 2006 | Neumin Production Company | Calhoun | State Tract 36 #2 | 13,000 | 05731718 |
| 614938Amendment | Feb 28, 2006 | Feb 28, 2006 | Neumin Production Company | Calhoun | State Tract 36 #2 | 13,000 | 05731718 |
| 605896 | Sep 6, 2005 | Sep 6, 2005 | Neumin Production Company | Calhoun | State Tract 28 #1 | 13,000 | 05731706 |
| 605896Amendment | Sep 6, 2005 | Sep 6, 2005 | Neumin Production Company | Calhoun | State Tract 28 #1 | 13,000 | 05731706 |
| 605893 | Sep 6, 2005 | Sep 6, 2005 | Neumin Production Company | Calhoun | State Tract 27 #4 | 13,000 | 05731705 |
| 605893Amendment | Sep 6, 2005 | Sep 6, 2005 | Neumin Production Company | Calhoun | State Tract 27 #4 | 13,000 | 05731705 |
| 605893Amendment | Sep 6, 2005 | Sep 6, 2005 | Neumin Production Company | Calhoun | State Tract 27 #4 | 13,000 | 05731705 |
| 558107 | Feb 23, 2005 | Feb 23, 2005 | Neumin Production Company | Colorado | Ammann #1 | 4,700 | 08932404 |
| 557425 | Feb 8, 2005 | Feb 8, 2005 | Neumin Production Company | Lavaca | Bonorden #1 | 4,000 | 28533130 |
| 549269 | Aug 6, 2004 | Aug 6, 2004 | Neumin Production Company | Victoria | Dean #1 | 6,000 | 46933859 |
| 549269Amendment | Aug 6, 2004 | Aug 6, 2004 | Neumin Production Company | Victoria | Dean #1 | 6,000 | 46933859 |
| 548845 | Jul 28, 2004 | Jul 28, 2004 | Neumin Production Company | Refugio | Shelton #1 | 6,000 | 39132618 |
| 547594 | Jun 29, 2004 | Jun 29, 2004 | Neumin Production Company | De Witt | Peterson Burge #1 | 14,000 | 12331981 |
| 547594Amendment | Jun 29, 2004 | Jun 29, 2004 | Neumin Production Company | De Witt | Peterson Burge #1 | 15,000 | 12331981 |
| 547594Amendment | Jun 29, 2004 | Jun 29, 2004 | Neumin Production Company | De Witt | Peterson Burge #1 | 15,000 | 12331981 |
| 543572 | Mar 23, 2004 | Mar 23, 2004 | Neumin Production Company | Harris | Battlestein et al G.U. #2 | 6,000 | 20132677 |
| 543572Amendment | Mar 23, 2004 | Mar 23, 2004 | Neumin Production Company | Harris | Battlestein et al G.U. #2 | 6,000 | 20132677 |
| 543294 | Mar 16, 2004 | Mar 16, 2004 | Neumin Production Company | Calhoun | State Tract 99 #4 | 9,500 | 05731676 |
| 543214 | Mar 15, 2004 | Mar 15, 2004 | Neumin Production Company | Calhoun | State Tract 100 #1 | 9,500 | 05731675 |
| 539375 | Dec 15, 2003 | Dec 15, 2003 | Neumin Production Company | Wharton | Fucik #1 | 6,500 | 48134596 |
| 537802 | Nov 19, 2003 | Nov 19, 2003 | Neumin Production Company | Montgomery | Keystone Mills #3W | 13,000 | 33931054 |
| 535122 | Aug 8, 2003 | Aug 8, 2003 | Neumin Production Company | Harris | Spahr et Al #1 | 6,200 | 20132666 |
| 535122Amendment | Aug 8, 2003 | Aug 8, 2003 | Neumin Production Company | Harris | Loewe #1 | 6,200 | 20132666 |
| 535122Amendment | Aug 8, 2003 | Aug 8, 2003 | Neumin Production Company | Harris | Spahr #1 | 6,200 | 20132666 |
| 533091 | Aug 4, 2003 | Aug 4, 2003 | Neumin Production Company | Jackson | Appling Point GU "A" #1 | 12,224 | 23933153 |
| 533896 | Jul 9, 2003 | Jul 9, 2003 | Neumin Production Company | Harris | Battlestein et al G. U. #1 | 7,990 | 20132648 |
| 533439 | Jun 23, 2003 | Jun 23, 2003 | Neumin Production Company | Harris | Mabel Grimes Heirs #1 | 6,500 | 20132664 |
| 533439Amendment | Jun 23, 2003 | Jun 23, 2003 | Neumin Production Company | Harris | Mabel Grimes Heirs #1 | 6,500 | 20132664 |
| 533064 | Jun 12, 2003 | Jun 12, 2003 | Neumin Production Company | Calhoun | State Tract 89 #2 | 10,500 | 05731648 |
| 531050 | Apr 23, 2003 | Apr 23, 2003 | Neumin Production Company | Calhoun | State Tract 79 #3 | 9,500 | 05731644 |
| 531050Amendment | Apr 23, 2003 | Apr 23, 2003 | Neumin Production Company | Calhoun | State Tract 79 #3 | 9,500 | 05731644 |
| 530974 | Apr 21, 2003 | Apr 21, 2003 | Neumin Production Company | Harris | Frey Trust #1 | 6,100 | 20132657 |
| 530974Amendment | Apr 21, 2003 | Apr 21, 2003 | Neumin Production Company | Harris | Frey Trust #1 | 6,100 | 20132657 |
| 530350 | Apr 4, 2003 | Apr 4, 2003 | Neumin Production Company | Calhoun | State Tract 99 #3 | 10,500 | 05731643 |
| 530350Amendment | Apr 4, 2003 | Apr 4, 2003 | Neumin Production Company | Calhoun | State Tract 99 #3 | 10,500 | 05731643 |
| 528014 | Feb 3, 2003 | Feb 3, 2003 | Neumin Production Company | Wharton | Wendel #1 | 10,000 | 48134511 |
| 525952 | Nov 27, 2002 | Nov 27, 2002 | Neumin Production Company | Harris | Battlestein #1 | 7,500 | 20132648 |
| 525739 | Nov 25, 2002 | Nov 25, 2002 | Neumin Production Company | Calhoun | State Tract 90 #6 | 10,550 | 05731538 |
| 524442 | Oct 11, 2002 | Oct 11, 2002 | Neumin Production Company | Harris | W. Houston Land Development Etal #1 | 7,500 | 20132644 |
| 523087 | Aug 23, 2002 | Aug 23, 2002 | Neumin Production Company | Calhoun | State Tract 99 #2 | 9,500 | 05731632 |
| 521547 | Jul 2, 2002 | Jul 2, 2002 | Neumin Production Company | Calhoun | State Tract 89 #1 | 10,000 | 05731629 |
| 517549 | Feb 14, 2002 | Feb 14, 2002 | Neumin Production Company | Wharton | Lichnovsky et Al #1 | 9,000 | 48134434 |
| 515349 | Nov 14, 2001 | Nov 14, 2001 | Neumin Production Company | Calhoun | State Tract 64 #1 | 11,000 | 05731620 |
| 511625 | Jul 24, 2001 | Jul 24, 2001 | Neumin Production Company | Jackson | Appling Point GU "A" #1 | 13,500 | 23933153 |
| 510845 | Jul 3, 2001 | Jul 3, 2001 | Neumin Production Company | Colorado | Stovall #4 | 5,000 | 08932185 |
| 507289 | Apr 23, 2001 | Apr 23, 2001 | Neumin Production Company | Refugio | Williams #1 | 6,500 | 39132391 |