| Stevens #142-019-30215 | Foundation Energy Management LLC | BanderaWildcat | PluggedOil | 11,000 | Jun 21, 2007 | 1 | — |
| Kuderer Oil Unit 1 #742-199-00547 | Foundation Energy Management LLC | HardinVillage Mills East (Q) | PluggedOil | 7,035 | Mar 30, 2006 | 5 | Aug 2016 |
| Kuderer I #242-199-00071 | Foundation Energy Management LLC | HardinVillage Mills East (Q) | PluggedOil | 7,250 | Mar 27, 2006 | 3 | Apr 2026 |
| Trusty Oil Unit #142-199-00075 | Foundation Energy Management LLC | HardinVillage Mills East (P) | PluggedOil | 7,220 | Feb 1, 2006 | 4 | Dec 2000 |
| Kuderer Oil Unit I #442-199-00549 | Foundation Energy Management LLC | HardinVillage Mills East (P) | PluggedOil | 6,625 | Sep 14, 2005 | 1 | Mar 2016 |
| Cunningham Mary J. #742-199-32531 | Foundation Energy Management LLC | HardinSilsbee North (Yegua 2C) | PluggedOil | 7,725 | Jul 29, 2005 | 8 | Mar 2014 |
| Mott Julia Gas Unit #5 #942-123-32001 | Foundation Energy Management LLC | De WittYoakum (Wilcox 7450) | ActiveGas | 10,400 | Oct 26, 2004 | 1 | Apr 2026 |
| Guitar Consolidated #90142-227-03795 | Foundation Energy Management LLC | HowardWould Have (Clearfork) | PluggedOil | 5,999 | Jul 19, 2004 | 1 | Nov 2019 |
| Mott Julia Gas Unit 2A #6HHZ42-123-31970 | Foundation Energy Management LLC | De WittYoakum (Edwards) | ActiveGas | 14,393 | Apr 14, 2004 | 1 | Apr 2026 |
| Arco et al #242-199-32510 | Foundation Energy Management LLC | HardinSour Lake | PluggedGas | 6,300 | Sep 2, 2003 | 2 | Dec 2011 |
| Smolik Albert #3HZ42-285-31592 | Foundation Energy Management LLC | LavacaWord N. (Edwards) | ActiveGas | 14,144 | Apr 23, 2003 | 2 | Apr 2026 |
| Mott Julia Gas Unit #1HHZ42-123-30351 | Foundation Energy Management LLC | De WittYoakum (Edwards) | ActiveGas | 14,500 | Mar 3, 2003 | 1 | Apr 2026 |
| Elliott F. P. Fee #4E42-199-31281 | Foundation Energy Management LLC | HardinSilsbee (U) | ActiveOil | 8,211 | Jul 8, 2002 | 4 | Apr 2026 |
| Guitar Consolidated #130142-227-35048 | Foundation Energy Management LLC | HowardWould Have (Clearfork) | PluggedOil | 10,600 | Jan 8, 2001 | 2 | Nov 2019 |
| Carter W. R. et UX #142-199-00529 | Foundation Energy Management LLC | HardinVillage Mills East (O) | PluggedOil | 7,300 | Jun 22, 2000 | 4 | Aug 2013 |
| Karl #1HHZ42-123-31883 | Foundation Energy Management LLC | De WittYoakum (Edwards) | ActiveGas | 14,182 | May 2, 2000 | 1 | Apr 2026 |
| Gallsworthy Jimmiebel #142-199-00061 | Foundation Energy Management LLC | HardinVillage Mills East (V-1) | PluggedOil | 7,223 | Mar 14, 2000 | 3 | Mar 2016 |
| Carter W. R. #242-199-00530 | Foundation Energy Management LLC | HardinVillage Mills East (T-1) | PluggedOil | 7,220 | Feb 10, 2000 | 6 | Aug 2013 |
| Julia Mott Gas Unit No. 2A #4HHZ42-123-80042 | Foundation Energy Management LLC | De WittYoakum (Edwards) | ActiveGas | 10,170 | Jan 28, 2000 | 1 | Apr 2026 |
| Crain Gas Unit No. 2 #242-123-30786 | Foundation Energy Management LLC | De WittMeyersville North (Wilcox J) | PluggedGas | 9,500 | Oct 21, 1999 | 2 | Nov 2018 |
| Geldard Bertha #342-199-00269 | Foundation Energy Management LLC | HardinSilsbee (2) | Shut inOil | 8,150 | Aug 6, 1999 | 2 | Jan 2001 |
| Brooks G. W. Fee #5242-199-00273 | Foundation Energy Management LLC | HardinSilsbee (2) | ActiveOil | 7,909 | May 21, 1999 | 1 | Apr 2026 |
| Rea T. K. #242-193-30256 | Foundation Energy Management LLC | HamiltonPottsville (Marble Falls) | PluggedGas | 3,025 | Apr 14, 1999 | 1 | Mar 2019 |
| Brooks G W #1242-199-00227 | Foundation Energy Management LLC | HardinSilsbee (X) | Shut inOil | 8,150 | Feb 22, 1999 | 1 | Feb 2014 |
| Nelson O. C. Fee #242-199-00187 | Foundation Energy Management LLC | HardinSilsbee North (Yegua 8) | PluggedGas | 7,879 | Jul 1, 1997 | 1 | Apr 1999 |
| Nelson O. C. Fee #542-199-00190 | Foundation Energy Management LLC | HardinSilsbee North (Yegua 4-B) | PluggedOil | 7,718 | Jul 1, 1997 | 1 | Apr 1999 |
| Parker James F. #542-457-00353 | Foundation Energy Management LLC | TylerFred East (8200 -C- Sand) | ActiveOil | 8,933 | Mar 14, 1997 | 1 | Feb 2026 |
| Albert Smolik Unit 1 #542-285-32364 | Foundation Energy Management LLC | LavacaWord N. (Edwards) | ActiveGas | 14,035 | Mar 25, 1996 | 1 | Apr 2026 |
| Kuderer Oil Unit I #342-199-00548 | Foundation Energy Management LLC | HardinVillage Mills East (O) | PluggedOil | 6,615 | Dec 8, 1995 | 4 | Mar 2016 |
| Burrell Opal #142-483-31141 | Foundation Energy Management LLC | WheelerGraystone (Morrow SD) | PluggedGas | 16,344 | Oct 23, 1995 | 2 | Jun 2014 |
| Chevron Fee #342-199-32703 | Foundation Energy Management LLC | HardinSour Lake | ActiveOil | 4,550 | Jun 12, 1995 | 1 | Apr 2026 |
| Elliott F. P. Fee #7SW42-199-32698 | Foundation Energy Management LLC | HardinSilsbee West | ActiveInjection | 5,400 | Aug 17, 1994 | 1 | Apr 2016 |
| Sun Pipe Line Co. Fee #542-199-32688 | Foundation Energy Management LLC | HardinSour Lake | PluggedOil | 6,200 | Jan 6, 1994 | 1 | Apr 2026 |
| Rosedale #142-199-32541 | Foundation Energy Management LLC | HardinSour Lake | PluggedOil | 6,700 | Jun 15, 1989 | 1 | Sep 2005 |
| McCaig #142-199-32528 | Foundation Energy Management LLC | HardinSour Lake | PluggedOil | 7,500 | Feb 16, 1989 | 1 | Aug 2013 |
| Carpenter Unit #242-199-32523 | Foundation Energy Management LLC | HardinSour Lake | Shut inOil | 6,500 | Jan 25, 1989 | 2 | Apr 2026 |
| Sun Pipe Line Co. Fee #442-199-32519 | Foundation Energy Management LLC | HardinSour Lake | ActiveOil | 5,055 | Jan 6, 1989 | 1 | Apr 2026 |
| Holliday R.C. Unit #142-373-30719 | Foundation Energy Management LLC | PolkTsunami (Jackson 3190) | PluggedOil | 4,200 | Sep 28, 1988 | 2 | Apr 1993 |
| Chevron Fee #242-199-32494 | Foundation Energy Management LLC | HardinSour Lake | ActiveOil | 6,200 | Sep 14, 1988 | 1 | Apr 2026 |
| Carpenter Unit #142-199-32490 | Foundation Energy Management LLC | HardinSour Lake | ActiveOil | 5,182 | Aug 10, 1988 | 3 | Apr 2026 |
| Flag-Redfern #242-199-32489 | Foundation Energy Management LLC | HardinSour Lake | PluggedOil | 6,600 | Aug 9, 1988 | 1 | Jul 2003 |
| Flag-Redfern #142-199-32487 | Foundation Energy Management LLC | HardinSour Lake | PluggedOil | 5,700 | Aug 4, 1988 | 1 | Jul 2003 |
| Parks J.W. -a- #10942-429-35063 | Foundation Energy Management LLC | StephensParks (Duffer) | PluggedGas | 4,700 | Jul 22, 1988 | 1 | Aug 2024 |
| Mayes Unit #2 #142-373-30710 | Foundation Energy Management LLC | PolkTsunami (Jackson 3190) | PluggedOil | 4,200 | Jun 20, 1988 | 1 | May 1993 |
| Amoco-Berryman #142-199-32483 | Foundation Energy Management LLC | HardinSour Lake | Shut inOil | 6,000 | Jun 7, 1988 | 1 | Feb 2023 |
| Gauss et al #2ST42-199-32482 | Foundation Energy Management LLC | HardinSour Lake | Shut inOil | 6,000 | May 24, 1988 | 2 | Apr 2019 |
| Chevron Fee #1ST42-199-32473 | Foundation Energy Management LLC | HardinSour Lake | Shut inOil | 6,053 | May 17, 1988 | 3 | Apr 2026 |
| Sun Pipe Line Co. Fee #342-199-32472 | Foundation Energy Management LLC | HardinSour Lake | ActiveOil | 5,563 | Apr 8, 1988 | 1 | Apr 2026 |
| Mobil Fee Unit #142-199-32465 | Foundation Energy Management LLC | HardinSour Lake | ActiveOil | 7,763 | Mar 24, 1988 | 1 | Apr 2026 |
| Arco et al #142-199-32464 | Foundation Energy Management LLC | HardinSour Lake | PluggedOil | 7,500 | Mar 10, 1988 | 1 | May 2011 |