| JM Obrien a #942-391-32649 | Greta Operating Company LLC only | Refugio, TXGreta (6200 South) | Not on scheduleGas | 6,300 | Sep 11, 2024 | — | — |
| J.M. O Brien JLB #1HHZ42-391-33276 | South Texas Operating Company only | Refugio, TXGreta (4400) | ActiveOil | 4,800 | Oct 10, 2022 | — | — |
| O Connor #1HHZ42-391-33267 | Greta Operating Company LLC only | Refugio, TXGreta (4400) | ActiveOil | 4,600 | May 10, 2022 | — | — |
| Welder Minnie S. Estate #g 842-469-34471 | Beaver Oil & Gas Operating LLC only | Victoria, TXLonnie Glasscock (Greta Str.) | ActiveOil | 3,600 | Jun 22, 2021 | — | — |
| West Ranch -a- #912HZ42-239-33939 | Hilcorp Energy Company only | Jackson, TXWest Ranch (Greta) | Shut inOil | 7,300 | Feb 12, 2020 | — | — |
| West Ranch -a- #913HHZ42-239-33938 | Hilcorp Energy Company only | Jackson, TXWest Ranch (Greta) | ActiveOil | 7,400 | Feb 3, 2020 | — | — |
| West Ranch -a- Psa #908HHZ42-239-33936 | Hilcorp Energy Company only | Jackson, TXWest Ranch (Greta) | ActiveOil | 7,300 | Aug 2, 2019 | — | — |
| JFB Heard - Htex #1H #1HHZ42-391-33209 | Greta Operating Company LLC only | Refugio, TXGreta (4400) | ActiveOil | 4,500 | Jul 9, 2019 | — | — |
| JFB Heard - Htex #2H #2HHZ42-391-33210 | Greta Operating Company LLC only | Refugio, TXGreta (4400) | ActiveOil | 4,500 | Jul 9, 2019 | — | — |
| West Ranch -a- #904HHZ42-239-33934 | Hilcorp Energy Company only | Jackson, TXWest Ranch (Greta) | ActiveOil | 8,000 | May 1, 2019 | — | — |
| West Ranch -a- #902HHZ42-239-33924 | Hilcorp Energy Company only | Jackson, TXWest Ranch (Greta) | ActiveOil | 8,000 | Jan 25, 2019 | — | — |
| West Ranch -a- #900HHZ42-239-33923 | Hilcorp Energy Company only | Jackson, TXWest Ranch (Greta) | ActiveOil | 8,000 | Dec 31, 2018 | — | — |
| West Ranch a #539HHZ42-239-32960 | Vintage Petroleum Inc. only | Jackson, TXWest Ranch (Greta) | Not on scheduleOil | 6,422 | Jul 19, 2018 | — | — |
| West Ranch -a- #538HHZ42-239-32961 | Hilcorp Energy Company only | Jackson, TXWest Ranch (Greta) | Not on scheduleOil | 6,400 | Feb 28, 2018 | — | — |
| Thomas O Connor #1742-391-33151 | Acock/Anaqua Operating Co. LP only | Refugio, TXGreta (4400) | Not on scheduleGas | 6,500 | Feb 15, 2018 | — | — |
| Welder Heirs TC #142-391-33178 | Charro Operating L.L.C. only | Refugio, TXGreta North (6440) | PluggedGas | 7,200 | Aug 30, 2017 | — | — |
| O Brien J. M. J #642-391-32721 | Acock/Anaqua Operating Co. LP only | Refugio, TXGreta Deep (5700) | Not on scheduleOil | 6,500 | Nov 13, 2015 | — | — |
| Thomas O Connor #1642-391-33128 | Greta Operating Company LLC only | Refugio, TXGreta Deep (5600) | ActiveOil | 6,300 | Nov 12, 2014 | — | — |
| Thomas O Connor #1542-391-33110 | Greta Operating Company LLC only | Refugio, TXGreta (6400) | Shut inOil | 6,500 | Jun 24, 2014 | — | — |
| Fagan #2242-391-33087 | Allegiant Resources LLC only | Refugio, TXMcFaddin (Greta 4200) | ActiveOil | 5,900 | Oct 31, 2013 | — | — |
| Heard J. F. B. #842-391-00867 | Dorchester Operating Company LLC only | Refugio, TXGreta (4400) | Not on scheduleGas | 4,382 | Oct 10, 2013 | — | — |
| Obrien J.M. -a- East 101 Ac. 6 #742-391-00957 | Dewbre Petroleum Corporation only | Refugio, TXGreta (4400) | PluggedGas | 4,395 | Aug 22, 2013 | — | — |
| Hunter #11R42-409-32999 | Anderson Oil Ltd. only | San Patricio, TXWhite Point E. (Greta 4900 W.) | PluggedOil | 5,600 | Apr 23, 2013 | — | — |
| Rob Welder #142-409-32978 | Welder Exploration & Prod. Inc. only | San Patricio, TXPlymouth (Greta Stringer) | PluggedOil | 7,000 | Aug 3, 2012 | — | — |
| Obrien J.M. -a- East 101 Ac. 6 #1242-391-33004 | Dewbre Petroleum Corporation only | Refugio, TXGreta (4400) | ActiveOil | 5,000 | Oct 24, 2011 | — | — |
| Fox W. J. #2942-391-01110 | Hilcorp Energy Company only | Refugio, TXGreta (G-5) | Not on scheduleOil | 6,083 | May 27, 2011 | — | — |
| Martin O Connor -M- #142-391-32985 | T-C Oil Company LLC only | Refugio, TXTivoli (Greta Second) | PluggedOil | 7,500 | May 12, 2011 | — | — |
| J. J. O Brien #b 842-391-32971 | Greta Operating Company LLC only | Refugio, TXGreta (5780) | ActiveGas | 6,500 | Nov 12, 2010 | — | — |
| Lambert M. F. H #H10942-391-31263 | Pennzoil Exploration & Prod. Co. only | Refugio, TXGreta Deep (5800) | Not on scheduleGas | 6,000 | Oct 18, 2010 | — | — |
| Heard Fannie V. W. #3042-391-31837 | Dorchester Operating Company LLC only | Refugio, TXGreta (4400) | Not on scheduleGas | 4,919 | Sep 7, 2010 | — | — |
| Oconnor Thos. #442-391-00986 | Acock/Anaqua Operating Co. LP only | Refugio, TXGreta (4400) | Not on scheduleGas | 4,420 | Aug 2, 2010 | — | — |
| Obrien J. M. #6642-391-30427 | Sun Expl. & Prod. Co.-Houston only | Refugio, TXGreta (4400) | PluggedGas | 4,522 | Jun 8, 2009 | — | — |
| M.V. O Connor Estate E #542-391-32906 | Charro Operating L.L.C. only | Refugio, TXGreta (F-2-A) | PluggedGas | 5,700 | May 26, 2009 | — | — |
| M.V. O Connor Estate E #2042-391-32907 | Charro Operating L.L.C. only | Refugio, TXGreta (5270) | PluggedGas | 5,700 | May 26, 2009 | — | — |
| Obrien J. M. #40342-391-01052 | Primrose Operating Company only | Refugio, TXGreta (4400) | PluggedGas | 4,388 | May 7, 2009 | — | — |
| Vidauri F #3442-391-32889 | Charro Operating L.L.C. only | Refugio, TXGreta North (6300 Frio) | PluggedGas | 7,700 | Dec 8, 2008 | — | — |
| Lambert M. F. #8542-391-01235 | Hilcorp Energy Company only | Refugio, TXGreta Deep (5800) | Not on scheduleGas | 6,300 | Sep 11, 2008 | — | — |
| O Brien J. M. #10942-391-32512 | Primrose Operating Company only | Refugio, TXGreta Deep (5700 Seg. N) | PluggedGas | 7,000 | Jul 21, 2008 | — | — |
| Hunter #1142-409-32888 | Anderson Oil Ltd. only | San Patricio, TXWhite Point E. (Greta 4900 W.) | PluggedOil | 6,200 | Apr 23, 2008 | — | — |
| W. J. Fox a #4942-391-32797 | Hilcorp Energy Company only | Refugio, TXGreta West (5800) | Not on scheduleOil | 9,000 | Apr 7, 2008 | — | — |
| Gripp #142-469-34073 | New Century Exploration Inc. only | Victoria, TXEloise W. (Greta 5400) | PluggedGas | 7,600 | Dec 8, 2007 | — | — |
| Heard Fannie V. W. #3442-391-32478 | Cambrian Management Ltd. only | Refugio, TXGreta (5900) | Not on scheduleGas | 8,500 | Dec 6, 2007 | — | — |
| O Brien J. M. E #642-391-32757 | Greta Operating Company LLC only | Refugio, TXGreta W. (6300) | ActiveGas | 7,000 | Feb 15, 2007 | — | — |
| Martin O Connor-E- #142-391-32732 | T-C Oil Company LLC only | Refugio, TXTivoli (Greta Second) | PluggedGas | 7,500 | Jun 2, 2006 | — | — |
| West Ranch -a- #4742-239-02402 | Hilcorp Energy Company only | Jackson, TXWest Ranch (Greta) | Not on scheduleGas | 5,138 | Aug 15, 2005 | — | — |
| Heard F.V.W. #642-391-30594 | Fina Oil & Chemical Company only | Refugio, TXGreta Deep (5620) | PluggedGas | 6,503 | Aug 2, 2005 | — | — |
| Fox W. J. -a- #a 4042-391-01306 | Hilcorp Energy Company only | Refugio, TXGreta (L- 3) | Not on scheduleGas | 1,960 | Dec 28, 2004 | — | — |
| Heard F. V. W. #3742-391-32595 | Dorchester Operating Company LLC only | Refugio, TXGreta West (F-5) | PluggedOil | 6,300 | Oct 27, 2004 | — | — |
| Heard F. V. W. -a- #342-391-00943 | Josey Lenoir M. Inc. only | Refugio, TXGreta Deep (5900) | Not on scheduleGas | 5,930 | Oct 12, 2004 | — | — |
| Bennett J.M. R #242-239-03066 | Angel Operating LLC only | Jackson, TXWest Ranch (Greta) | Not on scheduleGas | 7,125 | Aug 17, 2004 | — | — |