| 890024 | Apr 28, 2023 | Apr 28, 2023 | Hamman Oil & Refining Company | Fort Bend | Davis, T. W. #318 | 5,000 | 15733285 |
| 890023 | Apr 28, 2023 | Apr 28, 2023 | Hamman Oil & Refining Company | Fort Bend | Davis, T. W. #312 | 5,000 | 15733284 |
| 890022 | Apr 28, 2023 | Apr 28, 2023 | Hamman Oil & Refining Company | Fort Bend | Davis #317 | 5,000 | 15733283 |
| 859910 | Jan 13, 2020 | Jan 13, 2020 | Hamman Oil & Refining Company | Burleson | Cotton Unit #1 | 4,000 | 05134330 |
| 859740 | Dec 11, 2019 | Dec 11, 2019 | Hamman Oil & Refining Company | Milam | C.M. Rackel #3 | 4,000 | 33135092 |
| 839886 | May 17, 2018 | May 17, 2018 | Hamman Oil & Refining Company | Fort Bend | T. W. Davis #306 | 5,000 | 15733243 |
| 839881 | May 16, 2018 | May 16, 2018 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #35 | 5,000 | 15733248 |
| 839917 | May 14, 2018 | May 14, 2018 | Hamman Oil & Refining Company | Fort Bend | T. W. Davis #308 | 5,000 | 15733247 |
| 839910 | May 14, 2018 | May 14, 2018 | Hamman Oil & Refining Company | Fort Bend | T. W. Davis #310 | 5,000 | 15733246 |
| 839908 | May 14, 2018 | May 14, 2018 | Hamman Oil & Refining Company | Fort Bend | T. W. Davis #309 | 5,000 | 15733245 |
| 839899 | May 14, 2018 | May 14, 2018 | Hamman Oil & Refining Company | Fort Bend | T. W. Davis #307 | 5,000 | 15733244 |
| 829658 | Aug 17, 2017 | Aug 17, 2017 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #34 | 5,000 | 15733229 |
| 828454 | Jul 10, 2017 | Jul 10, 2017 | Hamman Oil & Refining Company | Fort Bend | T. W. Davis #304 | 5,000 | 15733227 |
| 828555 | Jul 6, 2017 | Jul 6, 2017 | Hamman Oil & Refining Company | Fort Bend | T. W. Davis #305 | 5,000 | 15733228 |
| 828453 | Jul 6, 2017 | Jul 6, 2017 | Hamman Oil & Refining Company | Fort Bend | T. W. Davis #303 | 5,000 | 15733226 |
| 828452 | Jul 6, 2017 | Jul 6, 2017 | Hamman Oil & Refining Company | Fort Bend | T. W. Davis #301 | 5,000 | 15733225 |
| 800701 | Nov 24, 2014 | Nov 24, 2014 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #33 | 5,000 | 15733194 |
| 800639 | Nov 21, 2014 | Nov 21, 2014 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #29 | 5,000 | 15733193 |
| 797194 | Oct 10, 2014 | Oct 10, 2014 | Hamman Oil & Refining Company | Fort Bend | Cockrell #1 | 5,000 | 15733160 |
| 788511 | Jul 2, 2014 | Jul 2, 2014 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #299 | 4,000 | 15733126 |
| 788510 | Jul 2, 2014 | Jul 2, 2014 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #298 | 4,000 | 15733125 |
| 788468 | Jul 2, 2014 | Jul 2, 2014 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #32 | 4,000 | 15733122 |
| 788467 | Jul 2, 2014 | Jul 2, 2014 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #31 | 4,000 | 15733121 |
| 788465 | Jul 2, 2014 | Jul 2, 2014 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #30 | 4,000 | 15733120 |
| 788463 | Jul 2, 2014 | Jul 2, 2014 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #28 | 4,000 | 15733119 |
| 777389 | Jan 31, 2014 | Jan 31, 2014 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #17 | 2,794 | 15730259 |
| 775176 | Jan 16, 2014 | Jan 16, 2014 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #27 | 5,000 | 15733021 |
| 775175 | Dec 19, 2013 | Dec 19, 2013 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #26 | 5,000 | 15733020 |
| 775173 | Dec 19, 2013 | Dec 19, 2013 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #24 | 5,000 | 15733018 |
| 775174 | Dec 16, 2013 | Dec 16, 2013 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #25 | 5,000 | 15733019 |
| 766387 | Jul 19, 2013 | Jul 19, 2013 | Hamman Oil & Refining Company | Jim Hogg | KMF-Gibbs Lands #1 | 7,000 | 24732450 |
| 747975 | Sep 26, 2012 | Sep 26, 2012 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #297 | 5,000 | 15732841 |
| 747970 | Sep 26, 2012 | Sep 26, 2012 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #296 | 5,000 | 15732840 |
| 747967 | Sep 26, 2012 | Sep 26, 2012 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #295 | 5,000 | 15732839 |
| 747964 | Sep 26, 2012 | Sep 26, 2012 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #294 | 5,000 | 15732838 |
| 747961 | Sep 26, 2012 | Sep 26, 2012 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #23 | 5,000 | 15732837 |
| 747959 | Sep 26, 2012 | Sep 26, 2012 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #22 | 5,000 | 15732836 |
| 747957 | Sep 26, 2012 | Sep 26, 2012 | Hamman Oil & Refining Company | Fort Bend | E. Bryan Fee #21 | 5,000 | 15732835 |
| 738096 | May 12, 2012 | May 12, 2012 | Hamman Oil & Refining Company | Burleson | Cotton, E.A. #4X | 2,800 | 05130030 |
| 738096Amendment | May 12, 2012 | May 12, 2012 | Hamman Oil & Refining Company | Burleson | Cotton, E.A. #4X | 3,706 | 05130030 |
| 737440 | Apr 18, 2012 | Apr 18, 2012 | Hamman Oil & Refining Company | Milam | C. M. Rackel #2 | 4,000 | 33134206 |
| 734563 | Mar 21, 2012 | Mar 21, 2012 | Hamman Oil & Refining Company | Fort Bend | Davis, T.W. #293 | 5,000 | 15732809 |
| 734497 | Mar 14, 2012 | Mar 14, 2012 | Hamman Oil & Refining Company | Fort Bend | Davis, T. W. #292 | 5,000 | 15732808 |
| 734495 | Mar 14, 2012 | Mar 14, 2012 | Hamman Oil & Refining Company | Fort Bend | Davis, T. W. #291 | 5,000 | 15732807 |
| 734494 | Mar 14, 2012 | Mar 14, 2012 | Hamman Oil & Refining Company | Fort Bend | Davis #290 | 5,000 | 15732806 |
| 730750 | Jan 12, 2012 | Jan 12, 2012 | Hamman Oil & Refining Company | Fort Bend | Apache Fee #1 | 6,500 | 15732802 |
| 727988 | Nov 19, 2011 | Nov 19, 2011 | Hamman Oil & Refining Company | Fort Bend | Davis #289 | 5,000 | 15732797 |
| 727986 | Nov 19, 2011 | Nov 19, 2011 | Hamman Oil & Refining Company | Fort Bend | Davis #288 | 5,000 | 15732796 |
| 727983 | Nov 19, 2011 | Nov 19, 2011 | Hamman Oil & Refining Company | Fort Bend | Davis, T.W. #287 | 5,000 | 15732795 |
| 721161 | Aug 3, 2011 | Aug 3, 2011 | Hamman Oil & Refining Company | Jim Wells | Horky #1 | 5,250 | 24932534 |
| 719451 | Jul 8, 2011 | Jul 8, 2011 | Hamman Oil & Refining Company | Harris | Josey #6 | 6,990 | 20132626 |
| 719432 | Jul 7, 2011 | Jul 7, 2011 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #281 | 5,000 | 15732742 |
| 719427 | Jul 7, 2011 | Jul 7, 2011 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #286 | 5,000 | 15732741 |
| 718840 | Jun 29, 2011 | Jun 29, 2011 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #282 | 5,000 | 15732737 |
| 718843 | Jun 25, 2011 | Jun 25, 2011 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #285 | 5,000 | 15732735 |
| 718842 | Jun 25, 2011 | Jun 25, 2011 | Hamman Oil & Refining Company | Fort Bend | Davis #284 | 5,000 | 15732739 |
| 718841 | Jun 25, 2011 | Jun 25, 2011 | Hamman Oil & Refining Company | Fort Bend | Davis #283 | 5,000 | 15732738 |
| 718839 | Jun 25, 2011 | Jun 25, 2011 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #280 | 5,000 | 15732736 |
| 713901 | Apr 25, 2011 | Apr 25, 2011 | Hamman Oil & Refining Company | Hardin | BP A-4 #1 | 11,000 | 19933294 |
| 710370 | Mar 8, 2011 | Mar 8, 2011 | Hamman Oil & Refining Company | Wharton | BCR State Unit #1 | 8,200 | 48135083 |
| 702526 | Sep 28, 2010 | Sep 28, 2010 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #277 | 5,000 | 15732611 |
| 701669 | Sep 7, 2010 | Sep 7, 2010 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #279 | 5,000 | 15732609 |
| 701667 | Sep 7, 2010 | Sep 7, 2010 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #278 | 5,000 | 15732608 |
| 700783 | Aug 18, 2010 | Aug 18, 2010 | Hamman Oil & Refining Company | Wharton | Vineyard Unit #1 | 9,000 | 48135159 |
| 694821 | Jun 2, 2010 | Jun 2, 2010 | Hamman Oil & Refining Company | Wharton | Shotwell #1 | 5,000 | 48135154 |
| 696121 | May 21, 2010 | May 21, 2010 | Hamman Oil & Refining Company | Fort Bend | Davis, T.W. #275 | 5,000 | 15732603 |
| 696118 | May 21, 2010 | May 21, 2010 | Hamman Oil & Refining Company | Fort Bend | Davis, T.W. #276 | 5,000 | 15732602 |
| 684687 | Sep 16, 2009 | Sep 16, 2009 | Hamman Oil & Refining Company | Goliad | Berclair Saltwater Disposal #1 | 4,000 | 17534148 |
| 683623 | Aug 11, 2009 | Aug 11, 2009 | Hamman Oil & Refining Company | Fort Bend | Davis, T. W. #274 | 6,000 | 15732575 |
| 683622 | Aug 11, 2009 | Aug 11, 2009 | Hamman Oil & Refining Company | Fort Bend | Davis, T. W. #272 | 6,000 | 15732576 |
| 683621 | Aug 11, 2009 | Aug 11, 2009 | Hamman Oil & Refining Company | Fort Bend | Davis, T. W. #271 | 6,000 | 15732574 |
| 683626 | Aug 10, 2009 | Aug 10, 2009 | Hamman Oil & Refining Company | Fort Bend | Davis #273 | 6,000 | 15732577 |
| 682379 | Jul 3, 2009 | Jul 3, 2009 | Hamman Oil & Refining Company | Fort Bend | Teletower #1 | 8,500 | 15732573 |
| 681951 | Jun 23, 2009 | Jun 23, 2009 | Hamman Oil & Refining Company | Wharton | BCR State Unit #1 | 9,000 | 48135083 |
| 681565 | May 27, 2009 | May 27, 2009 | Hamman Oil & Refining Company | Fort Bend | Mahlmann Heirs #2 | 7,000 | 15732572 |
| 681319 | May 19, 2009 | May 19, 2009 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #269 | 6,000 | 15732570 |
| 681318 | May 19, 2009 | May 19, 2009 | Hamman Oil & Refining Company | Fort Bend | Davis #270 | 6,000 | 15732571 |
| 681313 | May 18, 2009 | May 18, 2009 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #268 | 6,000 | 15732569 |
| 679571 | Mar 19, 2009 | Mar 19, 2009 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #266 | 6,000 | 15732567 |
| 679570 | Mar 19, 2009 | Mar 19, 2009 | Hamman Oil & Refining Company | Fort Bend | Davis #267 | 6,000 | 15732566 |
| 679569 | Mar 19, 2009 | Mar 19, 2009 | Hamman Oil & Refining Company | Fort Bend | Davis #265 | 6,000 | 15732568 |
| 676001 | Dec 12, 2008 | Dec 12, 2008 | Hamman Oil & Refining Company | Fort Bend | Davis #261 | 6,000 | 15732557 |
| 676004 | Dec 11, 2008 | Dec 11, 2008 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #264 | 6,000 | 15732560 |
| 676003 | Dec 11, 2008 | Dec 11, 2008 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #263 | 6,000 | 15732559 |
| 676002 | Dec 11, 2008 | Dec 11, 2008 | Hamman Oil & Refining Company | Fort Bend | Davis #262 | 6,000 | 15732558 |
| 674089 | Nov 5, 2008 | Nov 5, 2008 | Hamman Oil & Refining Company | Goliad | Wilkinson #3 | 4,000 | 17534127 |
| 674088 | Nov 5, 2008 | Nov 5, 2008 | Hamman Oil & Refining Company | Goliad | Wilkinson #2 | 4,000 | 17534126 |
| 674086 | Nov 3, 2008 | Nov 3, 2008 | Hamman Oil & Refining Company | Goliad | Wilkinson #1 | 4,000 | 17534125 |
| 668815 | Sep 2, 2008 | Sep 2, 2008 | Hamman Oil & Refining Company | Fort Bend | Davis #260 | 6,000 | 15732535 |
| 668814 | Sep 2, 2008 | Sep 2, 2008 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #259 | 6,000 | 15732534 |
| 668812 | Sep 2, 2008 | Sep 2, 2008 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #258 | 6,000 | 15732533 |
| 668810 | Sep 2, 2008 | Sep 2, 2008 | Hamman Oil & Refining Company | Fort Bend | T.W. Davis #257 | 6,000 | 15732532 |
| 666505 | Aug 28, 2008 | Aug 28, 2008 | Hamman Oil & Refining Company | Fort Bend | Frank Krenek Unit #1A | 13,390 | 15732189 |
| 667254 | Aug 9, 2008 | Aug 9, 2008 | Hamman Oil & Refining Company | Jim Wells | Horky #1 | 10,000 | 24932534 |
| 667254Amendment | Aug 9, 2008 | Aug 9, 2008 | Hamman Oil & Refining Company | Jim Wells | Horky #1 | 5,641 | 24932534 |
| 666696 | Aug 2, 2008 | Aug 2, 2008 | Hamman Oil & Refining Company | Jim Hogg | Austin F #14 | 7,000 | 24732429 |
| 666695 | Aug 2, 2008 | Aug 2, 2008 | Hamman Oil & Refining Company | Jim Hogg | Austin E #13 | 11,000 | 24732430 |
| 657608 | Apr 29, 2008 | Apr 29, 2008 | Hamman Oil & Refining Company | Fort Bend | Davis, T W #255 | 5,000 | 15732512 |
| 657630 | Apr 25, 2008 | Apr 25, 2008 | Hamman Oil & Refining Company | Fort Bend | Davis, T. W. #254 | 5,000 | 15732513 |
| 657606 | Apr 25, 2008 | Apr 25, 2008 | Hamman Oil & Refining Company | Fort Bend | Davis, T.W. #256 | 5,000 | 15732511 |