| Lambert M. F. #14442-391-31289 | Hilcorp Energy Company only | RefugioGreta (4400) | ActiveOil | 4,535 | Jul 26, 2024 | 4 | Jul 2026 |
| J.M. O Brien JLB #1HHZ42-391-33276 | South Texas Operating Company only | RefugioGreta (4400) | ActiveOil | 4,383 | Oct 10, 2022 | 1 | Jul 2026 |
| O Connor #1HHZ42-391-33267 | Greta Operating Company LLC only | RefugioGreta (4400) | ActiveOil | 4,324 | May 10, 2022 | 2 | Jul 2026 |
| JFB Heard - Htex #1H #1HHZ42-391-33209 | Greta Operating Company LLC only | RefugioGreta (4400) | ActiveOil | 4,542 | Jul 9, 2019 | 1 | Jul 2026 |
| JFB Heard - Htex #2H #2HHZ42-391-33210 | Greta Operating Company LLC only | RefugioGreta (4400) | ActiveOil | 4,398 | Jul 9, 2019 | 1 | Jul 2026 |
| Thomas O Connor #1742-391-33151 | Greta Operating Company LLC only | RefugioGreta (3490) | ActiveGas | 6,328 | Feb 15, 2018 | 2 | Jul 2026 |
| J.M. O Brien J #642-391-32721 | Greta Operating Company LLC only | RefugioGreta (4400) | Shut inOil | 6,300 | Nov 13, 2015 | 3 | Jul 2026 |
| J.F.B. Heard-Arco #342-391-31179 | Greta Operating Company LLC only | RefugioGreta (4400) | ActiveOil | 6,250 | Oct 7, 2014 | 6 | Jul 2026 |
| Heard J. F. B. #842-391-00867 | Dorchester Operating Company LLC only | RefugioGreta (C-1-a North) | Temporarily abandonedGas | 4,382 | Oct 10, 2013 | 1 | Jul 2026 |
| J. M. O Brien a #742-391-00957 | Dewbre Petroleum Corporation only | RefugioGreta (L- 3) | PluggedGas | 4,395 | Aug 22, 2013 | 1 | Jul 2026 |
| Obrien J.M. -a- East 101 Ac. 6 #1242-391-33004 | Dewbre Petroleum Corporation only | RefugioGreta (4400) | ActiveOil | 4,500 | Oct 24, 2011 | 1 | Jul 2026 |
| Lambert M. F. #1442-391-01209 | Hilcorp Energy Company only | RefugioGreta (4400) | Shut inOil | 5,158 | Mar 9, 2011 | 1 | Jul 2026 |
| Tom O Connor #1042-391-30334 | Greta Operating Company LLC only | RefugioGreta Deep (5850) | Shut inOil | 5,900 | Feb 9, 2011 | 3 | Jul 2026 |
| Lambert Gas Unit #H10942-391-31263 | Hilcorp Energy Company only | RefugioGreta (L-15) | Temporarily abandonedGas | 5,890 | Oct 18, 2010 | 5 | Jul 2026 |
| Heard Fannie V.W. #3042-391-31837 | Dorchester Operating Company LLC only | RefugioGreta (C-2) | Temporarily abandonedGas | 4,519 | Sep 7, 2010 | 2 | Jul 2026 |
| O Connor Tom #442-391-00986 | Dorchester Operating Company LLC only | RefugioGreta (O-4) | Temporarily abandonedGas | 4,420 | Aug 2, 2010 | 2 | Jul 2026 |
| O Connor Thomas #842-391-32572 | Dorchester Operating Company LLC only | RefugioGreta (4400) | ActiveOil | 6,304 | Jun 16, 2010 | 5 | Jul 2026 |
| O Brien J.M. #312A42-391-31278 | Dorchester Operating Company LLC only | RefugioGreta (C-2) | Temporarily abandonedGas | 4,503 | Feb 25, 2010 | 2 | Jul 2026 |
| Heard Fannie V. W. #2542-391-31167 | Dorchester Operating Company LLC only | RefugioGreta (4400) | Shut inOil | 4,490 | Nov 20, 2009 | 2 | Jul 2026 |
| Lambert M. F. #1542-391-01210 | Hilcorp Energy Company only | RefugioTom Oconnor (5450 Sand) | Shut inOil | 6,507 | Oct 28, 2009 | 5 | Jul 2026 |
| Heard Claude E. et al #2842-391-00642 | Hilcorp Energy Company only | RefugioGreta (L- 8) | Temporarily abandonedGas | 6,500 | Oct 1, 2009 | 6 | Jul 2026 |
| J.M. O Brien #6642-391-30427 | Acock/Anaqua Operating Co. LP only | RefugioGreta (L- 3) | PluggedGas | 4,522 | Jun 8, 2009 | 3 | Nov 2012 |
| O Brien J.M. #40342-391-01052 | Acock/Anaqua Operating Co. LP only | RefugioGreta (L- 2) | PluggedGas | 4,388 | May 7, 2009 | 2 | Nov 2012 |
| Obrien J.M. #5242-391-01055 | Acock/Anaqua Operating Co. LP only | RefugioGreta (L- 4) | PluggedGas | 4,387 | May 7, 2009 | 2 | Mar 2017 |
| O Brien J. M. B #21442-391-31910 | Dorchester Operating Company LLC only | RefugioGreta Deep (5360) | PluggedGas | 7,375 | Jul 28, 2008 | 4 | Sep 2021 |
| O Brien J.M. #10942-391-32512 | Acock/Anaqua Operating Co. LP only | RefugioGreta (L-12) | PluggedGas | 7,000 | Jul 21, 2008 | 6 | Jul 2026 |
| O Brien J. M. #10742-391-30324 | Dorchester Operating Company LLC only | RefugioGreta (4400) | Shut inOil | 7,000 | Apr 10, 2008 | 1 | Jul 2026 |
| W. J. Fox a #4942-391-32797 | Hilcorp Energy Company only | RefugioGreta (4400) | Shut inOil | 7,004 | Apr 7, 2008 | 3 | Jul 2026 |
| Lambert M. F. #8342-391-01188 | Hilcorp Energy Company only | RefugioGreta (4400) | Shut inOil | 5,930 | Mar 19, 2007 | 5 | Jul 2026 |
| F.V.W. Heard #642-391-30594 | Greta Operating Company LLC only | RefugioGreta (0-5-B) | PluggedGas | 6,503 | Aug 2, 2005 | 2 | Jul 2026 |
| Heard Fannie V W #2942-391-31758 | Acock/Anaqua Operating Co. LP only | RefugioGreta (C-2) | PluggedGas | 6,500 | Oct 11, 2004 | 4 | Jul 2026 |
| Lambert M. F. #u 8642-391-01127 | Hilcorp Energy Company only | RefugioGreta (4400) | PluggedGas | 6,341 | Aug 27, 2003 | 3 | Jun 2023 |
| O Connor Thomas (Amoco) #242-391-00973 | Greta Operating Company LLC only | RefugioGreta (5270) | Temporarily abandonedGas | 6,100 | Aug 20, 2003 | 4 | Jul 2026 |
| O Connor Thomas #742-391-31731 | Primrose Operating Company only | RefugioGreta (0-5-B) | PluggedGas | 6,300 | Aug 18, 2003 | 3 | Jul 2014 |
| Heard Fannie V.W. #2442-391-30390 | Dorchester Operating Company LLC only | RefugioGreta (C-5) | Temporarily abandonedGas | 4,450 | Feb 26, 2003 | 2 | Jul 2026 |
| O Brien J. J. a #942-391-30261 | Greta Operating Company LLC only | RefugioGreta (F-1 West) | PluggedGas | 7,981 | Oct 23, 2002 | 3 | Jul 2026 |
| O Brien J. J. #c 442-391-30262 | Greta Operating Company LLC only | RefugioGreta (5800) | ActiveOil | 6,500 | Jun 14, 2002 | 2 | Jul 2026 |
| Heard J.F.B. #2742-391-31756 | Dorchester Operating Company LLC only | RefugioGreta (O-4) | Temporarily abandonedGas | 4,585 | Mar 19, 2002 | 3 | Jul 2026 |
| Obrien J. M. #30242-391-01027 | Dorchester Operating Company LLC only | RefugioGreta (O-4) | ActiveInjection | 4,400 | Mar 18, 2002 | 2 | Jul 2026 |
| Heard Fannie V. W. #1342-391-00797 | Dorchester Operating Company LLC only | RefugioGreta (4400) | PluggedOil | 5,920 | Mar 14, 2002 | 5 | Jan 2006 |
| Heard F. V. W. #2242-391-30183 | Dorchester Operating Company LLC only | RefugioGreta (O-4) | Temporarily abandonedGas | 7,400 | Mar 14, 2002 | 3 | Jul 2026 |
| Obrien J. M. #30842-391-30209 | Dorchester Operating Company LLC only | RefugioGreta (O-4) | Temporarily abandonedGas | 4,450 | Mar 14, 2002 | 2 | Jul 2026 |
| O Brien J.M. D&e E #142-391-00929 | Greta Operating Company LLC only | RefugioGreta (L-15) | PluggedGas | 4,080 | Jul 10, 2001 | 2 | May 2024 |
| O Brien J. M. D & E (P) #142-391-00936 | Acock/Anaqua Operating Co. LP only | RefugioGreta (L-15) | PluggedGas | 4,405 | Jun 14, 2001 | 3 | May 2013 |
| O Brien J. M. J-1 (AR) #142-391-00854 | Acock/Anaqua Operating Co. LP only | RefugioGreta (O-6) | PluggedOil | 4,385 | Jun 1, 2001 | 2 | Aug 2013 |
| O Brien J. M. a (AM) #142-391-00883 | Acock/Anaqua Operating Co. LC only | RefugioGreta (O-1) | PluggedGas | 4,252 | Jun 1, 2001 | 4 | Jul 2002 |
| O Brien J. M. BP (AM) #142-391-01040 | Acock/Anaqua Operating Co. LP only | RefugioGreta (1250) | PluggedGas | 4,000 | Mar 30, 2001 | 1 | Jul 2020 |
| O Brien J. J. #642-391-30376 | Greta Operating Company LLC only | RefugioGreta (L-10) | Temporarily abandonedGas | 6,516 | Mar 22, 2000 | 5 | Jul 2026 |
| Heard J. F. B. - Tex #942-391-00898 | Greta Operating Company LLC only | RefugioGreta (L-13) | ActiveGas | 5,235 | Mar 10, 2000 | 1 | Jul 2026 |
| Heard-Tex #242-391-00891 | Greta Operating Company LLC only | RefugioGreta (O-1) | Temporarily abandonedGas | 4,447 | Oct 12, 1999 | 1 | Jul 2026 |