| 878026 | Mar 17, 2022 | Mar 17, 2022 | Union Gas Operating Company | Victoria | Watts-Gisler #2 | 10,160 | 46933827 |
| 857032 | Sep 17, 2019 | Sep 17, 2019 | Union Gas Operating Company | Hardin | Petty D #1 | 12,400 | 19933623 |
| 857032Amendment | Sep 17, 2019 | Sep 17, 2019 | Union Gas Operating Company | Hardin | Petty D #1 | 12,400 | 19933623 |
| 857032Amendment | Sep 17, 2019 | Sep 17, 2019 | Union Gas Operating Company | Hardin | Petty D #1H | 12,400 | 19933623 |
| 812256 | Nov 24, 2015 | Nov 24, 2015 | Union Gas Operating Company | Bee | Bolland Ranch #2 | 4,500 | 02533959 |
| 807289 | Jun 9, 2015 | Jun 9, 2015 | Union Gas Operating Company | Bee | Bolland Ranch #1 | 4,500 | 02533949 |
| 798971 | Oct 24, 2014 | Oct 24, 2014 | Union Gas Operating Company | Hardin | BP Fee #2 | 14,000 | 19933506 |
| 792719 | Aug 4, 2014 | Aug 4, 2014 | Union Gas Operating Company | Hardin | Petty C #2 | 13,000 | 19933490 |
| 726892 | Oct 27, 2011 | Oct 27, 2011 | Union Gas Operating Company | Hardin | Petty C #1 | 13,000 | 19933338 |
| 725743 | Oct 7, 2011 | Oct 7, 2011 | Union Gas Operating Company | Hardin | Petty #5 | 13,000 | 19933334 |
| 708793 | Jan 24, 2011 | Jan 24, 2011 | Union Gas Operating Company | Hardin | Petty #10 | 12,800 | 19933284 |
| 694135 | Apr 9, 2010 | Apr 9, 2010 | Union Gas Operating Company | Austin | Hale #1 | 8,500 | 01531000 |
| 693407 | Mar 25, 2010 | Mar 25, 2010 | Union Gas Operating Company | Lavaca | Mary Ann Menning, et Al #1 | 9,800 | 28533568 |
| 691983 | Mar 2, 2010 | Mar 2, 2010 | Union Gas Operating Company | Victoria | Schulte #1 | 13,500 | 46934188 |
| 686491 | Feb 18, 2010 | Feb 18, 2010 | Union Gas Operating Company | Jasper | BP Johnson A-21 #1 | 12,000 | 24130801 |
| 688836 | Dec 22, 2009 | Dec 22, 2009 | Union Gas Operating Company | Goliad | Bethke #2 | 11,100 | 17534151 |
| 688099 | Dec 3, 2009 | Dec 3, 2009 | Union Gas Operating Company | McMullen | Fox Creek Ranch #1 | 9,800 | 31133576 |
| 684790 | Sep 17, 2009 | Sep 17, 2009 | Union Gas Operating Company | Newton | Tiger #1 | 13,000 | 35130830 |
| 684512 | Aug 26, 2009 | Aug 26, 2009 | Union Gas Operating Company | Lavaca | Borchers #1 | 11,500 | 28533552 |
| 684512Amendment | Aug 26, 2009 | Aug 26, 2009 | Union Gas Operating Company | Lavaca | Borchers #1 | 11,500 | 28533552 |
| 681868 | Jun 8, 2009 | Jun 8, 2009 | Union Gas Operating Company | Lavaca | Teltschick #2 | 11,000 | 28533549 |
| 677400Amendment | Apr 30, 2009 | Apr 30, 2009 | Union Gas Operating Company | Lavaca | Teltschick #1 | 10,798 | 28531256 |
| 675603Amendment | Mar 27, 2009 | Mar 27, 2009 | Union Gas Operating Company | Anderson | Billy Jack #1 | 16,800 | 00132673 |
| 675163 | Dec 16, 2008 | Dec 16, 2008 | Union Gas Operating Company | Hardin | Curry #1 | 12,500 | 19933197 |
| 675603 | Dec 1, 2008 | Dec 1, 2008 | Union Gas Operating Company | Anderson | Billy Jack #1 | 16,000 | 00132673 |
| 675126 | Nov 20, 2008 | Nov 20, 2008 | Union Gas Operating Company | Jasper | Hankamer #1 | 3,800 | 24130783 |
| 673790 | Oct 27, 2008 | Oct 27, 2008 | Union Gas Operating Company | Waller | Lasalle Cattle Company #1 | 5,500 | 47331183 |
| 670369 | Sep 19, 2008 | Sep 19, 2008 | Union Gas Operating Company | Hardin | BP Fee #2 | 14,000 | 19933506 |
| 669078 | Sep 5, 2008 | Sep 5, 2008 | Union Gas Operating Company | Newton | Bevil #1 | 13,000 | 35130822 |
| 667055 | Aug 6, 2008 | Aug 6, 2008 | Union Gas Operating Company | Newton | Texas A&m University #1 | 13,000 | 35130819 |
| 667055Amendment | Aug 6, 2008 | Aug 6, 2008 | Union Gas Operating Company | Newton | Texas A&m University #1 | 13,300 | 35130819 |
| 667014 | Aug 6, 2008 | Aug 6, 2008 | Union Gas Operating Company | Hardin | Hamill #1 | 13,000 | 19933043 |
| 666868 | Aug 5, 2008 | Aug 5, 2008 | Union Gas Operating Company | Goliad | Bethke #1 | 11,600 | 17534109 |
| 666868Amendment | Aug 5, 2008 | Aug 5, 2008 | Union Gas Operating Company | Goliad | Bethke #1 | 11,600 | 17534109 |
| 663973 | Jun 26, 2008 | Jun 26, 2008 | Union Gas Operating Company | Jasper | BP Castillo A-6 #2 | 3,600 | 24130766 |
| 663941 | Jun 24, 2008 | Jun 24, 2008 | Union Gas Operating Company | Jasper | BP Kirby A-901 #1 | 4,500 | 24130765 |
| 663957 | Jun 23, 2008 | Jun 23, 2008 | Union Gas Operating Company | Newton | BP Stark A-370 #1 | 13,000 | 35130815 |
| 663793 | Jun 21, 2008 | Jun 21, 2008 | Union Gas Operating Company | Hardin | BP A-52 #2 | 13,500 | 19933160 |
| 663463 | Jun 9, 2008 | Jun 9, 2008 | Union Gas Operating Company | Hardin | Petty "a" #8 Gas Unit #9 | 15,000 | 19933153 |
| 662415 | Jun 7, 2008 | Jun 7, 2008 | Union Gas Operating Company | De Witt | McAlister #1 | 3,600 | 12332220 |
| 662415Amendment | Jun 7, 2008 | Jun 7, 2008 | Union Gas Operating Company | De Witt | McAlister #1 | 3,600 | 12332220 |
| 662415Amendment | Jun 7, 2008 | Jun 7, 2008 | Union Gas Operating Company | De Witt | McAlister #1 | 3,600 | 12332220 |
| 662403 | Jun 7, 2008 | Jun 7, 2008 | Union Gas Operating Company | De Witt | Kokernot Heirs #1 | 5,800 | 12332219 |
| 656799 | Mar 14, 2008 | Mar 14, 2008 | Union Gas Operating Company | Hardin | Rice University #2 | 13,000 | 19933130 |
| 632326 | Jan 25, 2007 | Jan 25, 2007 | Union Gas Operating Company | Hardin | Petty "B" #1 | 11,500 | 19933057 |
| 630122 | Dec 7, 2006 | Dec 7, 2006 | Union Gas Operating Company | Hardin | BP A-52 #1 | 13,500 | 19933055 |
| 630122Amendment | Dec 7, 2006 | Dec 7, 2006 | Union Gas Operating Company | Hardin | BP A-52 #1 | 13,500 | 19933055 |
| 626728 | Sep 28, 2006 | Sep 28, 2006 | Union Gas Operating Company | Jasper | BP Fee A-6 #2 | 13,000 | 24130732 |
| 625777 | Sep 12, 2006 | Sep 12, 2006 | Union Gas Operating Company | Hardin | Hamill #1 | 13,000 | 19933043 |
| 625777Amendment | Sep 12, 2006 | Sep 12, 2006 | Union Gas Operating Company | Hardin | Hamill #1 | 13,000 | 19933043 |
| 621148 | Jun 16, 2006 | Jun 16, 2006 | Union Gas Operating Company | Jasper | BP Kirby A-901 #1 | 4,500 | 24130727 |
| 620783 | Jun 12, 2006 | Jun 12, 2006 | Union Gas Operating Company | Hardin | Petty #202 | 13,100 | 19933036 |
| 620725 | Jun 12, 2006 | Jun 12, 2006 | Union Gas Operating Company | Jasper | Adj Minerals #1 | 4,000 | 24130726 |
| 620724 | Jun 12, 2006 | Jun 12, 2006 | Union Gas Operating Company | Jasper | BP Castillo A-6 #1 | 3,600 | 24130725 |
| 620130 | May 31, 2006 | May 31, 2006 | Union Gas Operating Company | Hardin | Parker Forestry #1 | 13,500 | 19933031 |
| 620129 | May 31, 2006 | May 31, 2006 | Union Gas Operating Company | Hardin | BP Burrill A-5 #1 | 14,000 | 19933032 |
| 619070 | May 11, 2006 | May 11, 2006 | Union Gas Operating Company | Jasper | Adj Minerals #2 | 4,000 | 24130724 |
| 617041 | Apr 5, 2006 | Apr 5, 2006 | Union Gas Operating Company | Hardin | Petty "A" #8 | 13,000 | 19933023 |
| 617041Amendment | Apr 5, 2006 | Apr 5, 2006 | Union Gas Operating Company | Hardin | Petty "A" #8 | 15,000 | 19933023 |
| 617040 | Apr 5, 2006 | Apr 5, 2006 | Union Gas Operating Company | Hardin | Petty "A" #7 | 13,000 | 19933022 |
| 617040Amendment | Apr 5, 2006 | Apr 5, 2006 | Union Gas Operating Company | Hardin | Petty "A" #7 | 13,000 | 19933022 |
| 617040Amendment | Apr 5, 2006 | Apr 5, 2006 | Union Gas Operating Company | Hardin | Petty "A" #7 | 14,500 | 19933022 |
| 615864 | Mar 15, 2006 | Mar 15, 2006 | Union Gas Operating Company | Hardin | Rice University #2 | 13,000 | 19933017 |
| 615826 | Mar 15, 2006 | Mar 15, 2006 | Union Gas Operating Company | Hardin | Rice University #1 | 13,000 | 19933016 |
| 615826Amendment | Mar 15, 2006 | Mar 15, 2006 | Union Gas Operating Company | Hardin | Rice University #1 | 13,000 | 19933016 |
| 615826Amendment | Mar 15, 2006 | Mar 15, 2006 | Union Gas Operating Company | Hardin | Rice University #1 | 13,263 | 19933016 |
| 615387 | Mar 7, 2006 | Mar 7, 2006 | Union Gas Operating Company | Hardin | BP Hampton A-30 #1 | 15,000 | 19933014 |
| 613587 | Feb 3, 2006 | Feb 3, 2006 | Union Gas Operating Company | Hardin | Petty #6 | 11,200 | 19933008 |
| 611854 | Jan 4, 2006 | Jan 4, 2006 | Union Gas Operating Company | Hardin | Petty #5 | 13,500 | 19933002 |
| 611854Amendment | Jan 4, 2006 | Jan 4, 2006 | Union Gas Operating Company | Hardin | Petty Gas Unit #5 | 13,000 | 19933002 |
| 611853 | Jan 4, 2006 | Jan 4, 2006 | Union Gas Operating Company | Hardin | Petty #4 | 13,500 | 19933001 |
| 611853Amendment | Jan 4, 2006 | Jan 4, 2006 | Union Gas Operating Company | Hardin | Petty #4 | 13,500 | 19933001 |
| 611266 | Dec 19, 2005 | Dec 19, 2005 | Union Gas Operating Company | Hardin | Petty #3 | 13,500 | 19932996 |
| 608853 | Nov 2, 2005 | Nov 2, 2005 | Union Gas Operating Company | Hardin | B.P. Nelson A-40 #2 | 12,500 | 19932991 |
| 608274 | Oct 20, 2005 | Oct 20, 2005 | Union Gas Operating Company | Hardin | Petty #2 | 14,000 | 19932989 |
| 608274Amendment | Oct 20, 2005 | Oct 20, 2005 | Union Gas Operating Company | Hardin | Petty #2 | 14,500 | 19932989 |
| 608198 | Oct 20, 2005 | Oct 20, 2005 | Union Gas Operating Company | Victoria | Jimmie #1 | 4,000 | 46933939 |
| 608198Amendment | Oct 20, 2005 | Oct 20, 2005 | Union Gas Operating Company | Victoria | Jimmie #1 | 3,900 | 46933939 |
| 602954 | Jul 1, 2005 | Jul 1, 2005 | Union Gas Operating Company | Newton | Teel #1 | 12,000 | 35130763 |
| 600626 | May 13, 2005 | May 13, 2005 | Union Gas Operating Company | Hardin | Petty #1 | 13,000 | 19932973 |
| 600626Amendment | May 13, 2005 | May 13, 2005 | Union Gas Operating Company | Hardin | Petty #1 | 13,000 | 19932973 |
| 560587 | Apr 15, 2005 | Apr 15, 2005 | Union Gas Operating Company | Jasper | BP Fee A-6 #1 | 15,000 | 24130715 |
| 560587Amendment | Apr 15, 2005 | Apr 15, 2005 | Union Gas Operating Company | Jasper | BP Fee A-6 #1 | 15,000 | 24130715 |
| 558039 | Feb 22, 2005 | Feb 22, 2005 | Union Gas Operating Company | Hardin | BP Rafferty A-45 #1 | 10,500 | 19932959 |
| 558038 | Feb 22, 2005 | Feb 22, 2005 | Union Gas Operating Company | Hardin | BP Rafferty A-45 #2 | 10,500 | 19932960 |
| 558037 | Feb 22, 2005 | Feb 22, 2005 | Union Gas Operating Company | Hardin | BP Rafferty A-45 #3 | 10,500 | 19932961 |
| 555445 | Dec 29, 2004 | Dec 29, 2004 | Union Gas Operating Company | Jasper | BP A-284 #1 | 12,000 | 24130712 |
| 554833 | Dec 14, 2004 | Dec 14, 2004 | Union Gas Operating Company | Hardin | BP Brooks A-4 #3 | 4,100 | 19932949 |
| 553501 | Nov 9, 2004 | Nov 9, 2004 | Union Gas Operating Company | Hardin | Bertrand-Nelson #1 | 9,000 | 19932945 |
| 552861 | Oct 26, 2004 | Oct 26, 2004 | Union Gas Operating Company | Hardin | BP Brooks A-4 #2 | 16,500 | 19932941 |
| 548556 | Jul 21, 2004 | Jul 21, 2004 | Union Gas Operating Company | Victoria | Dreyer, William #4 | 11,000 | 46933856 |
| 544433 | Apr 14, 2004 | Apr 14, 2004 | Union Gas Operating Company | Victoria | Watts-Gisler #2 | 11,500 | 46933827 |
| 544009 | Apr 2, 2004 | Apr 2, 2004 | Union Gas Operating Company | Hardin | Nelson, B.P. A-40 #1 | 15,000 | 19932909 |
| 541962 | Feb 11, 2004 | Feb 11, 2004 | Union Gas Operating Company | Victoria | Watts-Gisler #3 | 11,500 | 46933809 |
| 537535 | Oct 14, 2003 | Oct 14, 2003 | Union Gas Operating Company | Goliad | Bammert #3 | 12,000 | 17533585 |
| 536997 | Sep 30, 2003 | Sep 30, 2003 | Union Gas Operating Company | Goliad | Kickendahl #1R | 13,000 | 17533581 |
| 536940 | Sep 29, 2003 | Sep 29, 2003 | Union Gas Operating Company | Goliad | Windberg, Dalhart #3 | 14,000 | 17533580 |
| 536939 | Sep 29, 2003 | Sep 29, 2003 | Union Gas Operating Company | Goliad | Georgia Hoff, et Al #5 | 12,000 | 17533579 |
| 536296 | Sep 10, 2003 | Sep 10, 2003 | Union Gas Operating Company | Goliad | Hausmann, et. Al. #B 1 | 3,000 | 17533569 |
| 536249 | Sep 9, 2003 | Sep 9, 2003 | Union Gas Operating Company | Goliad | Hausman #2 | 12,000 | 17533568 |