| Bronaugh #142-227-35600 | Extex Operating Company only | HowardSpraberry (Trend Area) | PluggedOil | 10,500 | Sep 24, 2019 | 4 | Jan 2023 |
| Denny-Hodges Unit #4542-485-45642 | Extex Operating Company only | Wichita | Not on schedule | 5,200 | Mar 31, 2014 | 1 | — |
| Denny-Hodges Unit #4742-485-45643 | Extex Operating Company only | Wichita | Not on schedule | 5,200 | Mar 31, 2014 | 1 | — |
| Denny-Hodges Unit #4842-485-45644 | Extex Operating Company only | Wichita | Not on schedule | 5,200 | Mar 31, 2014 | 1 | — |
| Graham #342-485-45633 | Extex Operating Company only | Wichita | Not on schedule | 5,200 | Mar 7, 2014 | 1 | — |
| Munger #442-485-45634 | Extex Operating Company only | Wichita | Not on schedule | 5,200 | Mar 5, 2014 | 1 | — |
| Kempner Unit #5242-485-45630 | Extex Operating Company only | Wichita | Not on schedule | 5,200 | Mar 4, 2014 | 1 | — |
| Kempner Unit #5042-485-45628 | Extex Operating Company only | Wichita | Not on schedule | 5,200 | Feb 21, 2014 | 1 | — |
| Graham #242-485-45623 | Extex Operating Company only | Wichita | Not on schedule | 5,200 | Feb 19, 2014 | 1 | — |
| Munger #242-485-45624 | Extex Operating Company only | Wichita | Not on schedule | 5,200 | Feb 19, 2014 | 1 | — |
| Munger #342-485-45625 | Extex Operating Company only | Wichita | Not on schedule | 5,200 | Feb 19, 2014 | 1 | — |
| Mangold Kma Waterflood Unit #102142-485-45614 | Extex Operating Company only | Wichita | Not on schedule | 5,200 | Feb 10, 2014 | 1 | — |
| Lowry #3742-485-45615 | Extex Operating Company only | Wichita | Not on schedule | 5,200 | Feb 10, 2014 | 1 | — |
| Lowry #3942-485-45616 | Extex Operating Company only | Wichita | Not on schedule | 5,200 | Feb 10, 2014 | 1 | — |
| Love, J. W., Etal #1642-485-45602 | Extex Operating Company only | Wichita | Not on schedule | 5,400 | Feb 6, 2014 | 1 | — |
| Burnside, A.W. #1142-485-45597 | Extex Operating Company only | Wichita | Not on schedule | 5,400 | Feb 5, 2014 | 1 | — |
| Burnside, A. W. #1242-485-45598 | Extex Operating Company only | Wichita | Not on schedule | 5,400 | Feb 5, 2014 | 1 | — |
| Love, J. W., Etal #1542-485-45601 | Extex Operating Company only | Wichita | Not on schedule | 5,400 | Feb 5, 2014 | 1 | — |
| Mangold Kma Waterflood Unit #40542-485-45505 | Extex Operating Company only | WichitaK-M-A | Not on schedule | 4,500 | Aug 21, 2013 | 1 | — |
| Fain Estate #242-485-45390 | Extex Operating Company only | Wichita | Not on schedule | 4,000 | Dec 18, 2012 | 1 | — |
| Mangold Kma Waterflood Unit #101842-485-45382 | Extex Operating Company only | WichitaK-M-A | Not on schedule | 4,000 | Nov 29, 2012 | 3 | — |
| Munger-Moncrief Kma Unit #10542-485-45312 | Extex Operating Company only | WichitaK-M-A | Not on schedule | 4,500 | Jun 29, 2012 | 1 | — |
| Douglas Mineral Trust G #1542-485-45304 | Extex Operating Company only | WichitaCash (Strawn 3820) | Not on schedule | 4,000 | Jun 15, 2012 | 1 | — |
| Munger-Moncrief Kma Unit #10342-485-45278 | Extex Operating Company only | WichitaK-M-A | Not on schedule | 4,000 | May 25, 2012 | 1 | — |
| Munger-Moncrief Kma Unit #10242-485-45281 | Extex Operating Company only | WichitaK-M-A | Not on schedule | 4,500 | May 25, 2012 | 1 | — |
| Moncrief-Munger Kma Unit #9942-485-45225 | Extex Operating Company only | WichitaK-M-A | Not on schedule | 4,500 | Apr 11, 2012 | 1 | — |
| Veal #10 A42-079-30188 | Extex Operating Company only | CochranLevelland | ActiveWater Supply | 5,050 | Jun 1, 2011 | 1 | Apr 2026 |
| Mangold Kma Waterflood Unit #101642-485-44977 | Extex Operating Company only | Wichita | Not on schedule | 4,000 | Nov 18, 2010 | 1 | — |
| Veal #18W42-079-00099 | Extex Operating Company only | CochranLevelland | PluggedOil | 4,997 | Oct 29, 2010 | 1 | Apr 2026 |
| Mangold Kma Waterflood Unit #101642-485-44470 | Extex Operating Company only | Wichita | Not on schedule | 4,000 | Jun 9, 2008 | 1 | — |
| Moncrief-Munger Kma Unit #9742-485-44166 | Extex Operating Company only | Wichita | Not on schedule | 4,500 | Oct 6, 2006 | 1 | — |
| Moncrief-Munger Kma Unit #9642-485-44167 | Extex Operating Company only | Wichita | Not on schedule | 4,500 | Oct 6, 2006 | 1 | — |
| Koonce #150142-317-34695 | Extex Operating Company only | MartinSpraberry (Trend Area) | PluggedOil | 10,500 | Jun 12, 2006 | 1 | Oct 2025 |
| UNIV5 BFU3 #742-461-35016 | Extex Operating Company only | UptonSheep Mountain (Consolidated) | PluggedOil | 10,800 | Feb 14, 2006 | 2 | Nov 2022 |
| Rodriguez Minerals #242-479-39264 | Extex Operating Company only | Webb | Not on schedule | 7,500 | Sep 2, 2005 | 1 | — |
| Universitysix #270142-461-34845 | Extex Operating Company only | UptonSheep Mountain (Consolidated) | PluggedOil | 10,800 | May 10, 2005 | 2 | Mar 2021 |
| Magnum Levelland Unit #1WS42-079-32927 | Extex Operating Company only | CochranLevelland | ActiveWater Supply | 1,515 | Mar 4, 1998 | 1 | Apr 2026 |
| Magnum Levelland Unit #20242-079-30256 | Extex Operating Company only | CochranLevelland | PluggedOil | 5,000 | Jan 12, 1998 | 1 | Apr 2026 |
| Magnum Levelland Unit #40242-079-30254 | Extex Operating Company only | CochranLevelland | ActiveOil | 4,990 | Jan 9, 1998 | 1 | Apr 2026 |
| Magnum Levelland Unit #20542-079-32917 | Extex Operating Company only | CochranLevelland | Shut inOil | 5,050 | Nov 4, 1997 | 2 | Apr 2026 |
| Magnum Levelland Unit #20442-079-32918 | Extex Operating Company only | CochranLevelland | PluggedOil | 5,200 | Nov 4, 1997 | 2 | Apr 2026 |
| Magnum Levelland Unit #20342-079-32919 | Extex Operating Company only | CochranLevelland | Shut inOil | 5,050 | Nov 4, 1997 | 1 | Apr 2026 |
| Magnum Levelland Unit #40642-079-32910 | Extex Operating Company only | CochranLevelland | PluggedOil | 5,100 | Sep 11, 1997 | 1 | Apr 2026 |
| Magnum Levelland Unit #40742-079-32911 | Extex Operating Company only | CochranLevelland | ActiveInjection | 5,050 | Sep 11, 1997 | 1 | Apr 2026 |
| Magnum Levelland Unit #40842-079-32912 | Extex Operating Company only | CochranLevelland | PluggedOil | 5,100 | Sep 11, 1997 | 1 | Apr 2026 |
| Magnum Levelland Unit #50142-079-32907 | Extex Operating Company only | CochranLevelland | PluggedOil | 5,100 | Aug 28, 1997 | 1 | Apr 2026 |
| Magnum Levelland Unit #40542-079-32908 | Extex Operating Company only | CochranLevelland | Shut inOil | 5,025 | Aug 28, 1997 | 1 | Apr 2026 |
| Magnum Levelland Unit #40442-079-32909 | Extex Operating Company only | CochranLevelland | ActiveOil | 5,050 | Aug 28, 1997 | 1 | Apr 2026 |
| Boyd Mallet Unit #9842-079-32896 | Extex Operating Company only | CochranSlaughter | Shut inOil | 5,090 | Dec 13, 1996 | 1 | Apr 2026 |
| Boyd Mallet Unit #9642-079-32897 | Extex Operating Company only | CochranSlaughter | ActiveInjection | 5,100 | Dec 10, 1996 | 1 | Apr 2026 |