| Wilson P Unit 3 #342-325-34244 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | ActiveOil | 980 | Sep 13, 2019 | 1 | Aug 2026 |
| Friess a #742-137-32239 | Texas Secondary Oil Corporation | EdwardsTurney | ActiveOil | 660 | Apr 22, 2019 | 1 | Aug 2026 |
| Olje Group #442-137-32238 | Texas Secondary Oil Corporation | EdwardsWardlaw | Drilled | 600 | Feb 13, 2019 | 1 | — |
| Friess a #642-137-32236 | Texas Secondary Oil Corporation | EdwardsTurney | ActiveOil | 660 | Feb 1, 2019 | 1 | Aug 2026 |
| Evans Geo. N. -B- #2742-029-38326 | Texas Secondary Oil Corporation | BexarSomerset | ActiveOil | 1,240 | Oct 10, 2014 | 1 | Aug 2026 |
| Knopp Edna Mae #1M42-325-34098 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | ActiveOil | 900 | Jul 23, 2014 | 1 | Aug 2026 |
| Aztec Wilson K #842-325-34067 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | Drilled | 1,100 | Oct 11, 2013 | 1 | — |
| Aztec Wilson K #942-325-34068 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | Drilled | 1,100 | Oct 11, 2013 | 1 | — |
| Aztec GE #1742-325-33854 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | ActiveOil | 1,000 | Mar 7, 2012 | 1 | Aug 2026 |
| Knopp Edna Mae #6HHZ42-325-33719 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | ActiveOil | 621 | Jan 24, 2011 | 1 | Aug 2026 |
| Aztec-Schmidt S #1242-325-33715 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | ActiveOil | 900 | Dec 23, 2010 | 1 | Aug 2026 |
| Robert Matula #642-311-34036 | Texas Secondary Oil Corporation | McMullenDebby (Mirando UP) | Drilled | 1,300 | Mar 25, 2008 | 1 | — |
| Matula Robert #1A42-311-31449 | Texas Secondary Oil Corporation | McMullenDebby (Gov T Wells) | Temporarily abandonedGas | 1,300 | Oct 18, 1993 | 2 | Nov 2017 |
| Knopp Edna Mae #a 1142-325-33568 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | PluggedOil | 400 | May 11, 1993 | 1 | Aug 2026 |
| Lark #2242-297-33939 | Texas Secondary Oil Corporation | Live OakJacob | ActiveOil | 1,100 | Mar 7, 1990 | 1 | Aug 2026 |
| Lark #2042-297-33916 | Texas Secondary Oil Corporation | Live OakJacob | ActiveOil | 1,090 | Nov 2, 1989 | 1 | Aug 2026 |
| Wood Robert W. et al -a- #1342-325-33508 | Texas Secondary Oil Corporation | MedinaAdams (Buda) | ActiveOil | 1,600 | May 16, 1989 | 1 | Aug 2026 |
| Wood Robert W. et al -a- #1442-325-33509 | Texas Secondary Oil Corporation | MedinaAdams (Buda) | ActiveOil | 1,600 | May 16, 1989 | 1 | Aug 2026 |
| Wood Robert W. et al -a- #1542-325-33510 | Texas Secondary Oil Corporation | MedinaAdams (Buda) | ActiveOil | 1,600 | May 16, 1989 | 1 | Aug 2026 |
| Lark #1942-297-33872 | Texas Secondary Oil Corporation | Live OakJacob | ActiveOil | 1,090 | Jan 13, 1989 | 1 | Aug 2026 |
| Lark #1842-297-33844 | Texas Secondary Oil Corporation | Live OakJacob | ActiveOil | 1,090 | Sep 7, 1988 | 1 | Aug 2026 |
| Schmidt Ira G. Mrs. #942-325-33470 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | ActiveOil | 850 | Jul 27, 1988 | 1 | Aug 2026 |
| Wood Robert W. et al -a- #1142-325-33467 | Texas Secondary Oil Corporation | MedinaAdams (Buda) | ActiveOil | 1,600 | Jun 27, 1988 | 1 | Aug 2026 |
| Wood Robert W. et al -a- #942-325-33468 | Texas Secondary Oil Corporation | MedinaAdams (Buda) | ActiveOil | 1,594 | Jun 27, 1988 | 1 | Aug 2026 |
| Wood Robert W. et al -a- #1242-325-33469 | Texas Secondary Oil Corporation | MedinaAdams (Buda) | ActiveOil | 1,610 | Jun 27, 1988 | 1 | Aug 2026 |
| Knopp Edna Mae #b 942-325-33462 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | PluggedOil | 550 | Jun 7, 1988 | 1 | Aug 2026 |
| Knopp Edna Mae #b 842-325-33463 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | PluggedOil | 550 | Jun 7, 1988 | 1 | Aug 2026 |
| Knopp Edna Mae #b 1042-325-33464 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | PluggedOil | 550 | Jun 7, 1988 | 1 | Aug 2026 |
| Knopp Edna Mae #a 1242-325-33465 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | PluggedOil | 250 | Jun 7, 1988 | 1 | Aug 2026 |
| Bendele Helen Etal #1442-325-33466 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | ActiveOil | 849 | May 25, 1988 | 1 | Aug 2026 |
| Lark #1642-297-33810 | Texas Secondary Oil Corporation | Live OakJacob | ActiveOil | 1,150 | Feb 18, 1988 | 1 | Aug 2026 |
| Knopp Edna Mae #a 242-325-33445 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | PluggedOil | 650 | Nov 18, 1987 | 1 | Aug 2026 |
| Knopp Edna Mae #a 1042-325-33446 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | PluggedOil | 650 | Nov 18, 1987 | 1 | Aug 2026 |
| Knopp Edna Mae #a 842-325-33447 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | PluggedOil | 650 | Nov 18, 1987 | 1 | Aug 2026 |
| Knopp Edna Mae #a 742-325-33448 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | PluggedOil | 650 | Nov 18, 1987 | 1 | Aug 2026 |
| Knopp Edna Mae #a 642-325-33449 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | PluggedOil | 650 | Nov 18, 1987 | 1 | Aug 2026 |
| Lark #1242-297-33788 | Texas Secondary Oil Corporation | Live OakJacob | ActiveOil | 1,120 | Oct 13, 1987 | 2 | Aug 2026 |
| Lark #1542-297-33789 | Texas Secondary Oil Corporation | Live OakJacob | ActiveOil | 1,130 | Oct 13, 1987 | 1 | Aug 2026 |
| Lark #1442-297-33785 | Texas Secondary Oil Corporation | Live OakJacob | ActiveOil | 1,120 | Sep 22, 1987 | 1 | Aug 2026 |
| Lark #1342-297-33754 | Texas Secondary Oil Corporation | Live OakJacob | ActiveOil | 1,140 | May 27, 1987 | 1 | Aug 2026 |
| Lark #1142-297-33711 | Texas Secondary Oil Corporation | Live OakJacob | PluggedOil | 1,200 | Aug 21, 1986 | 1 | Aug 2026 |
| Schmidt G.E. #142-325-80664 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | ActiveOil | 1,020 | May 23, 1986 | 1 | Aug 2026 |
| Lark #942-297-33687 | Texas Secondary Oil Corporation | Live OakJacob | PluggedOil | 1,200 | May 6, 1986 | 1 | Aug 2026 |
| Lark #742-297-33666 | Texas Secondary Oil Corporation | Live OakJacob | PluggedOil | 1,200 | Feb 19, 1986 | 1 | Aug 2026 |
| Lark #542-297-33663 | Texas Secondary Oil Corporation | Live OakJacob | PluggedOil | 1,200 | Feb 14, 1986 | 1 | Aug 2026 |
| Lark #642-297-33664 | Texas Secondary Oil Corporation | Live OakJacob | PluggedOil | 1,200 | Feb 14, 1986 | 1 | Aug 2026 |
| Lark #442-297-33658 | Texas Secondary Oil Corporation | Live OakJacob | ActiveOil | 1,110 | Jan 21, 1986 | 1 | Aug 2026 |
| Lark #342-297-33659 | Texas Secondary Oil Corporation | Live OakJacob | PluggedOil | 1,200 | Jan 21, 1986 | 1 | Aug 2026 |
| Rogers -B- #27A42-325-33305 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | PluggedOil | 500 | Jan 17, 1986 | 1 | Aug 2026 |
| Rogers -B- #26A42-325-33306 | Texas Secondary Oil Corporation | MedinaTaylor-Ina | ActiveOil | 465 | Jan 17, 1986 | 1 | Aug 2026 |