| 803532 | Feb 17, 2015 | Feb 17, 2015 | Winn Exploration Co., Inc. | Brazoria | Webb Gas Unit #1 | 9,800 | 03933259 |
| 796133 | Sep 29, 2014 | Sep 29, 2014 | Winn Exploration Co., Inc. | Washington | Mr. Mac's #1 | 7,500 | 47731023 |
| 781143 | Apr 1, 2014 | Apr 1, 2014 | Winn Exploration Co., Inc. | De Witt | Zengerle Gas Unit #1 | 8,100 | 12332133 |
| 718974 | Jun 30, 2011 | Jun 30, 2011 | Winn Exploration Co., Inc. | Kleberg | BP Oil Unit #1 | 9,800 | 27332569 |
| 701980 | Sep 13, 2010 | Sep 13, 2010 | Winn Exploration Co., Inc. | De Witt | Belitz Gas Unit #2 | 20,000 | 12332363 |
| 698257 | Jul 8, 2010 | Jul 8, 2010 | Winn Exploration Co., Inc. | De Witt | Rogene Green #1 | 13,000 | 12332341 |
| 684587 | Aug 28, 2009 | Aug 28, 2009 | Winn Exploration Co., Inc. | Nueces | Isensee #1 | 15,000 | 35533965 |
| 684587Amendment | Aug 28, 2009 | Aug 28, 2009 | Winn Exploration Co., Inc. | Nueces | Isensee #1 | 15,000 | 35533965 |
| 677383 | Jan 20, 2009 | Jan 20, 2009 | Winn Exploration Co., Inc. | De Witt | Hix Green #4 | 14,000 | 12332280 |
| 677383Amendment | Jan 20, 2009 | Jan 20, 2009 | Winn Exploration Co., Inc. | De Witt | Mueller Gas Unit Hix Green #4 | 14,000 | 12332280 |
| 676240 | Dec 18, 2008 | Dec 18, 2008 | Winn Exploration Co., Inc. | De Witt | Poetter #1 | 15,000 | 12332274 |
| 673309 | Oct 22, 2008 | Oct 22, 2008 | Winn Exploration Co., Inc. | De Witt | Simpson #1 | 14,000 | 12332262 |
| 673309Amendment | Oct 22, 2008 | Oct 22, 2008 | Winn Exploration Co., Inc. | De Witt | Simpson #1 | 14,000 | 12332262 |
| 670058 | Sep 18, 2008 | Sep 18, 2008 | Winn Exploration Co., Inc. | De Witt | Green Gas Unit #3 | 14,000 | 12332251 |
| 670058Amendment | Sep 18, 2008 | Sep 18, 2008 | Winn Exploration Co., Inc. | De Witt | Green Gas Unit #3 | 14,000 | 12332251 |
| 666751 | Aug 2, 2008 | Aug 2, 2008 | Winn Exploration Co., Inc. | De Witt | Feller #1 | 17,000 | 12332241 |
| 661748 | May 29, 2008 | May 29, 2008 | Winn Exploration Co., Inc. | De Witt | Lundschen #1 | 13,000 | 12332216 |
| 660256 | May 6, 2008 | May 6, 2008 | Winn Exploration Co., Inc. | Jim Hogg | Kenedy Foundaton #1 | 19,000 | 24732426 |
| 659996 | May 2, 2008 | May 2, 2008 | Winn Exploration Co., Inc. | De Witt | Buch Gas Unit #1 | 11,000 | 12332211 |
| 659886 | May 1, 2008 | May 1, 2008 | Winn Exploration Co., Inc. | De Witt | Osborn #1 | 13,000 | 12332210 |
| 659137 | Apr 21, 2008 | Apr 21, 2008 | Winn Exploration Co., Inc. | De Witt | Hix Green #3 | 13,000 | 12332206 |
| 643382Amendment | Apr 21, 2008 | Apr 21, 2008 | Winn Exploration Co., Inc. | Grimes | Paskett #1 | 26,000 | 18530719 |
| 658146 | Apr 10, 2008 | Apr 10, 2008 | Winn Exploration Co., Inc. | Bee | Page Gas Unit #1 | 14,000 | 02533565 |
| 649853 | Nov 26, 2007 | Nov 26, 2007 | Winn Exploration Co., Inc. | Live Oak | Duwel #1 | 15,000 | 29734755 |
| 649853Amendment | Nov 26, 2007 | Nov 26, 2007 | Winn Exploration Co., Inc. | Live Oak | Duwel #1 | 15,000 | 29734755 |
| 649653 | Nov 20, 2007 | Nov 20, 2007 | Winn Exploration Co., Inc. | San Patricio | Hilliard #1 | 14,000 | 40932880 |
| 649653Amendment | Nov 20, 2007 | Nov 20, 2007 | Winn Exploration Co., Inc. | San Patricio | Hilliard #1 | 14,000 | 40932880 |
| 648451 | Oct 31, 2007 | Oct 31, 2007 | Winn Exploration Co., Inc. | Lavaca | Baker #1 | 15,000 | 28533437 |
| 648113 | Oct 24, 2007 | Oct 24, 2007 | Winn Exploration Co., Inc. | De Witt | Brown #1 | 15,000 | 12332183 |
| 647213 | Oct 8, 2007 | Oct 8, 2007 | Winn Exploration Co., Inc. | Val Verde | Leonard 32 #1 | 14,000 | 46530825 |
| 645910 | Sep 14, 2007 | Sep 14, 2007 | Winn Exploration Co., Inc. | De Witt | Musselman Ranches #1 | 13,000 | 12332179 |
| 645287 | Sep 4, 2007 | Sep 4, 2007 | Winn Exploration Co., Inc. | De Witt | Green Gas Unit #2 | 13,000 | 12332177 |
| 643882 | Aug 29, 2007 | Aug 29, 2007 | Winn Exploration Co., Inc. | Val Verde | Bencomo 75 #1 | 14,500 | 46530823 |
| 643382 | Aug 9, 2007 | Aug 9, 2007 | Winn Exploration Co., Inc. | Grimes | Pasket #1 | 22,000 | 18530719 |
| 642048 | Aug 1, 2007 | Aug 1, 2007 | Winn Exploration Co., Inc. | De Witt | Cassidy #1 | 12,500 | 12332167 |
| 642033 | Jul 16, 2007 | Jul 16, 2007 | Winn Exploration Co., Inc. | De Witt | Sinast Gas Unit #3 | 13,700 | 12332166 |
| 641225 | Jul 3, 2007 | Jul 3, 2007 | Winn Exploration Co., Inc. | Grimes | Pirtlaw #1 | 16,000 | 18530717 |
| 641225Amendment | Jul 3, 2007 | Jul 3, 2007 | Winn Exploration Co., Inc. | Grimes | Pirtlaw #1 | 16,500 | 18530717 |
| 639344 | May 24, 2007 | May 24, 2007 | Winn Exploration Co., Inc. | De Witt | Gary-England Gas Unit #1 | 13,000 | 12332160 |
| 637230 | Apr 23, 2007 | Apr 23, 2007 | Winn Exploration Co., Inc. | De Witt | 4L Ranch Gas Unit #1 | 13,000 | 12332150 |
| 634176 | Mar 2, 2007 | Mar 2, 2007 | Winn Exploration Co., Inc. | De Witt | Voelkel #1 | 10,000 | 12332147 |
| 633607 | Feb 16, 2007 | Feb 16, 2007 | Winn Exploration Co., Inc. | Crockett | Marley #1 | 8,000 | 10540236 |
| 633607Amendment | Feb 16, 2007 | Feb 16, 2007 | Winn Exploration Co., Inc. | Crockett | Marley #1 | 8,990 | 10540236 |
| 630603 | Dec 18, 2006 | Dec 18, 2006 | Winn Exploration Co., Inc. | De Witt | Sinast Gas Unit #2 | 13,000 | 12332138 |
| 628285 | Oct 31, 2006 | Oct 31, 2006 | Winn Exploration Co., Inc. | De Witt | Zengerle Gas Unit #1 | 14,000 | 12332133 |
| 627110 | Oct 6, 2006 | Oct 6, 2006 | Winn Exploration Co., Inc. | De Witt | Janssen #1 | 12,000 | 12332125 |
| 627110Amendment | Oct 6, 2006 | Oct 6, 2006 | Winn Exploration Co., Inc. | De Witt | Janssen #1 | 12,000 | 12332125 |
| 626463 | Sep 25, 2006 | Sep 25, 2006 | Winn Exploration Co., Inc. | De Witt | Waskow #1 | 11,800 | 12332124 |
| 624156 | Aug 10, 2006 | Aug 10, 2006 | Winn Exploration Co., Inc. | De Witt | Nordheim Unit #6 | 11,500 | 12332112 |
| 624085Amendment | Aug 9, 2006 | Aug 9, 2006 | Winn Exploration Co., Inc. | Victoria | Kuester #1 | 17,000 | 46934008 |
| 623087 | Jul 25, 2006 | Jul 25, 2006 | Winn Exploration Co., Inc. | Goliad | Hamman & Anderson #8 | 14,000 | 17533941 |
| 621340 | Jun 21, 2006 | Jun 21, 2006 | Winn Exploration Co., Inc. | De Witt | Clark Gas Unit II #1 | 12,000 | 12332105 |
| 619453 | May 18, 2006 | May 18, 2006 | Winn Exploration Co., Inc. | De Witt | Knandel Gas Unit #2 | 11,700 | 12332100 |
| 617492 | Apr 12, 2006 | Apr 12, 2006 | Winn Exploration Co., Inc. | De Witt | Salge Gas Unit #1 | 15,000 | 12332095 |
| 617492Amendment | Apr 12, 2006 | Apr 12, 2006 | Winn Exploration Co., Inc. | De Witt | Salge Gas Unit #1 | 15,000 | 12332095 |
| 615164 | Mar 3, 2006 | Mar 3, 2006 | Winn Exploration Co., Inc. | De Witt | Mueller #1 | 12,000 | 12332086 |
| 613894 | Feb 9, 2006 | Feb 9, 2006 | Winn Exploration Co., Inc. | De Witt | Knandell #1 | 12,000 | 12332083 |
| 613894Amendment | Feb 9, 2006 | Feb 9, 2006 | Winn Exploration Co., Inc. | De Witt | Knandel Gas Unit #1 | 10,700 | 12332083 |
| 612311 | Jan 13, 2006 | Jan 13, 2006 | Winn Exploration Co., Inc. | De Witt | Green Gas Unit #1 | 13,000 | 12332081 |
| 610850 | Dec 12, 2005 | Dec 12, 2005 | Winn Exploration Co., Inc. | De Witt | Sinast Gas Unit #1 | 13,000 | 12332072 |
| 610850Amendment | Dec 12, 2005 | Dec 12, 2005 | Winn Exploration Co., Inc. | De Witt | Sinast Gas Unit #1 | 13,000 | 12332072 |
| 609432 | Nov 15, 2005 | Nov 15, 2005 | Winn Exploration Co., Inc. | De Witt | Clark Gas Unit #1 | 12,000 | 12332050 |
| 609030 | Nov 4, 2005 | Nov 4, 2005 | Winn Exploration Co., Inc. | De Witt | Nordeim Unit #5 | 11,300 | 12332066 |
| 607733 | Oct 12, 2005 | Oct 12, 2005 | Winn Exploration Co., Inc. | De Witt | Lemmons Gas Unit #2 | 12,500 | 12332062 |
| 607733Amendment | Oct 12, 2005 | Oct 12, 2005 | Winn Exploration Co., Inc. | De Witt | Lemmons Gas Unit #2 | 12,500 | 12332062 |
| 605515 | Aug 26, 2005 | Aug 26, 2005 | Winn Exploration Co., Inc. | Goliad | River Ranch #32 | 17,000 | 17533826 |
| 604350 | Aug 3, 2005 | Aug 3, 2005 | Winn Exploration Co., Inc. | De Witt | Clark #1 | 12,000 | 12332050 |
| 604350Amendment | Aug 3, 2005 | Aug 3, 2005 | Winn Exploration Co., Inc. | De Witt | Clark Gas Unit #1 | 12,000 | 12332050 |
| 602229 | Jun 17, 2005 | Jun 17, 2005 | Winn Exploration Co., Inc. | De Witt | Lemmons #1 | 10,000 | 12332045 |
| 602229Amendment | Jun 17, 2005 | Jun 17, 2005 | Winn Exploration Co., Inc. | De Witt | Lemmons Gas Unit #1 | 10,000 | 12332045 |
| 601454 | Jun 1, 2005 | Jun 1, 2005 | Winn Exploration Co., Inc. | De Witt | Nordheim Unit #4 | 11,000 | 12332039 |
| 601454Amendment | Jun 1, 2005 | Jun 1, 2005 | Winn Exploration Co., Inc. | De Witt | Nordheim Unit #4 | 11,000 | 12332039 |
| 558547Amendment | Mar 4, 2005 | Mar 4, 2005 | Winn Exploration Co., Inc. | Houston | Kleinschmidt #1 | 17,000 | 22531045 |
| 558238 | Feb 25, 2005 | Feb 25, 2005 | Winn Exploration Co., Inc. | De Witt | Nordheim Unit #3 | 10,100 | 12332018 |
| 558238Amendment | Feb 25, 2005 | Feb 25, 2005 | Winn Exploration Co., Inc. | De Witt | Nordheim Unit #3 | 11,000 | 12332018 |
| 557629 | Feb 14, 2005 | Feb 14, 2005 | Winn Exploration Co., Inc. | McMullen | Woehst #1 | 10,000 | 31133788 |
| 557629Amendment | Feb 14, 2005 | Feb 14, 2005 | Winn Exploration Co., Inc. | McMullen | Bridges #1 | 10,000 | 31133788 |
| 556743 | Feb 7, 2005 | Feb 7, 2005 | Winn Exploration Co., Inc. | De Witt | Nordheim Unit #1 | 10,400 | 12331972 |
| 552704 | Oct 26, 2004 | Oct 26, 2004 | Winn Exploration Co., Inc. | De Witt | Nordheim Unit #2 | 11,500 | 12331999 |
| 549866 | Aug 20, 2004 | Aug 20, 2004 | Winn Exploration Co., Inc. | De Witt | England #1 | 10,400 | 12331989 |
| 549866Amendment | Aug 20, 2004 | Aug 20, 2004 | Winn Exploration Co., Inc. | De Witt | England #1 | 11,000 | 12331989 |
| 549321 | Aug 12, 2004 | Aug 12, 2004 | Winn Exploration Co., Inc. | Stephens | County Line "A" #A 6 | 4,400 | 42935764 |
| 548886 | Jul 29, 2004 | Jul 29, 2004 | Winn Exploration Co., Inc. | Cherokee | Chronister #3 | 6,300 | 07331106 |
| 548679 | Jul 23, 2004 | Jul 23, 2004 | Winn Exploration Co., Inc. | De Witt | Belitz #1 | 10,300 | 12331984 |
| 545019 | May 13, 2004 | May 13, 2004 | Winn Exploration Co., Inc. | De Witt | Nordheim #1 | 11,500 | 12331972 |
| 537498 | Oct 15, 2003 | Oct 15, 2003 | Winn Exploration Co., Inc. | Maverick | Winn Fee #31 | 8,800 | 32332703 |
| 536704 | Sep 29, 2003 | Sep 29, 2003 | Winn Exploration Co., Inc. | Bee | Dugat #2 | 4,000 | 02533247 |
| 534123 | Jul 21, 2003 | Jul 21, 2003 | Winn Exploration Co., Inc. | Stephens | County Line 21 #A 2 | 4,150 | 42935530 |
| 531724 | May 8, 2003 | May 8, 2003 | Winn Exploration Co., Inc. | Stephens | County Line 21 #A 47 | 3,300 | 42936003 |
| 524537 | Oct 11, 2002 | Oct 11, 2002 | Winn Exploration Co., Inc. | Bee | Borrum, L. F. #1 | 7,500 | 02533190 |
| 524537Amendment | Oct 11, 2002 | Oct 11, 2002 | Winn Exploration Co., Inc. | Bee | Borroum, L. F. #1 | 11,500 | 02533190 |
| 522590 | Aug 20, 2002 | Aug 20, 2002 | Winn Exploration Co., Inc. | Stephens | County Line "A" #A 6 | 4,400 | 42935764 |
| 522535 | Aug 19, 2002 | Aug 19, 2002 | Winn Exploration Co., Inc. | Stephens | County Line "a" Unit #4 | 6,725 | 42935752 |
| 522476 | Aug 2, 2002 | Aug 2, 2002 | Winn Exploration Co., Inc. | Cherokee | Chronister #2 | 6,000 | 07331040 |
| 522476Amendment | Aug 2, 2002 | Aug 2, 2002 | Winn Exploration Co., Inc. | Cherokee | Chronister #2 | 6,400 | 07331040 |
| 522475 | Aug 2, 2002 | Aug 2, 2002 | Winn Exploration Co., Inc. | Cherokee | Chronister #1 | 6,000 | 07331039 |
| 522475Amendment | Aug 2, 2002 | Aug 2, 2002 | Winn Exploration Co., Inc. | Cherokee | Chronister #1 | 6,400 | 07331039 |
| 520902 | Jun 17, 2002 | Jun 17, 2002 | Winn Exploration Co., Inc. | Stephens | Law #1 | 4,600 | 42935963 |
| 520901 | Jun 17, 2002 | Jun 17, 2002 | Winn Exploration Co., Inc. | Stephens | County Line 7 #A 49 | 4,600 | 42935962 |
| 518077 | Mar 5, 2002 | Mar 5, 2002 | Winn Exploration Co., Inc. | Stephens | County Line 22 #A 46 | 4,600 | 42935947 |