| Oppenheimer 188 O-10-46967 | Crescent Energy Operating, LLC only | Wolfbone (Trend Area) | Reeves | 6 | 1.25M | 2.43M | Sep 2015 – Jul 2026 |
| Heimple -B- O-3-2281 | Quail Creek Oil Corporation only | Hull | Liberty | 6 | 654K | 443K | by Jan 1993 – Aug 2026 |
| Halff & Oppenheimer O-1-1364 | Bigfoot Oil LLC only | Pearsall (Navarro Sand) | Frio | 19 | 480K | 38.3K | by Jan 1993 – Sep 2025 |
| Heimple -A- O-3-2280 | Quail Creek Oil Corporation only | Hull | Liberty | 4 | 241K | 70.1K | by Jan 1993 – Aug 2026 |
| Veitenheimer, A. -B- O-13-19988 | Peterson Oil and Gas LLC only | Arrowhead (Caddo) | Clay | 7 | 137K | 3.34K | by Jan 1993 – Aug 2025 |
| Oppenheimer O-1-12716 | Bigfoot Oil LLC only | Pearsall (Austin Chalk) | Frio | 1 | 102K | 504K | by Jan 1993 – Feb 2017 |
| Oppenheimer Unit O-1-16758 | Blackbrush O & G, LLC only | Pearsall (Buda, S.) | Frio | 2 | 91.5K | 212K | Sep 2012 – Jul 2017 |
| John Oppenheimer Unit O-1-17686 | Blackbrush O & G, LLC only | Pearsall (Buda, S.) | Frio | 1 | 74.5K | 279K | Apr 2013 – Dec 2017 |
| Dym-Vietenheimer O-13-32530 | Covenant Operating, LLC only | Tally (Strawn) | Clay | 1 | 52.6K | 0 | Mar 2013 – Aug 2026 |
| Oppenheimer A O-1-16210 | Blackbrush O & G, LLC only | Pearsall (Buda, S.) | Frio | 2 | 51K | 630K | May 2011 – Aug 2026 |
| Swickheimer Estate O-2-7866 | American Int'l Energy Corp. only | Alkek (3490) | Goliad | 1 | 50.5K | 88.2K | Mar 1993 – Dec 1998 |
| Oppenheimer, Jessie D. O-1-96 | Watson Energy Investments, LLC only | Big Foot | Frio | 9 | 50.4K | 71.4K | by Jan 1993 – Apr 2022 |
| Veitenheimer -B- O-13-10753 | Macha Enterprises, Inc. only | Clay County Regular | Clay | 7 | 41.2K | 24 | by Jan 1993 – Apr 2023 |
| Oppenheimer AB Unit O-1-18154 | Blackbrush O & G, LLC only | Pearsall (Buda, S.) | Frio | 1 | 36.4K | 380K | Sep 2014 – Aug 2026 |
| Heimple -B- O-3-9200 | Quail Creek Oil Corporation only | Hull (Cook Mountain) | Liberty | 1 | 31.9K | 11.2K | by Jan 1993 – Jul 2006 |
| Halff & Oppenheimer -C- O-1-4586 | Maverick Energy Group, Inc. only | Pearsall (Austin Chalk) | Frio | 5 | 27.1K | 236K | Oct 1993 – Sep 2015 |
| Oppenheimer-Calvert Unit O-1-14398 | Blackbrush O & G, LLC only | Pearsall (Buda, S.) | Frio | 1 | 21.7K | 354K | Jan 2002 – Feb 2017 |
| Hargesheimer, E. O-13-16823 | Peterson Oil and Gas LLC only | Mackoy (4400 Sand) | Grayson | 1 | 16K | 32 | by Jan 1993 – Nov 2025 |
| Veitenheimer, P. O-13-21373 | Peterson Oil and Gas LLC only | Arrowhead (Caddo) | Clay | 1 | 14.6K | 2.71K | by Jan 1993 – Aug 2025 |
| Elmore O-13-22018 | Veitenheimer Oil Co. only | Archer City, SW. (5100 Sd.) | Archer | 1 | 8.47K | 21 | by Jan 1993 – Aug 2026 |
| Veitenheimer O-13-27193 | Big Rock Oil LLC only | Arrowhead (Caddo) | Clay | 1 | 7.23K | 142 | by Jan 1993 – Sep 2014 |
| Westheimer O-3-23006 | Marwell Petroleum, Inc. only | McCrary (3RD Yegua) | Fort Bend | 1 | 6.28K | 128 | Jun 1996 – Sep 2004 |
| Oppenheimer A O-1-16520 | Blackbrush O & G, LLC only | Briscoe Ranch (Eagleford) | Frio | 1 | 4.21K | 168K | Mar 2013 – Oct 2024 |
| Meisenheimer, Ettielou O-6-1017 | Hereford, J. A. Industries, Inc. only | Nacogdoches | Nacogdoches | 13 | 4K | 116 | by Jan 1993 – Apr 2019 |
| Veitenheimer O-13-22473 | Kampresco Energy, LLC only | Deer Creek (Israel 5000) | Clay | 3 | 3.93K | 8.05K | by Jan 1993 – Aug 2026 |
| Weinheimer, E. A. O-3-23676 | Dominion Oklahoma Texas E&P, Inc only | El Maton (Frio 9,500) | Matagorda | 1 | 3.62K | 43K | Mar 1999 – Mar 2001 |
| Veitenheimer, A. "C" O-13-21886 | Peterson Oil and Gas LLC only | Scaling Ranch, S (Ellen) | Clay | 2 | 3.13K | 21 | by Jan 1993 – Mar 2024 |
| Irby O-13-33169 | Veitenheimer Oil Co. only | Archer County Regular | Archer | 9 | 3.07K | 0 | Feb 2015 – Apr 2021 |
| Veitenheimer, A. -C- O-13-23488 | Heydrick Petroleum Company only | Arrowhead (Caddo) | Clay | 6 | 2.41K | 21 | by Jan 1993 – Apr 1997 |
| Heidenheimer O-3-6303 | Clover Production Company only | Sour Lake | Hardin | 2 | 2.16K | 12 | May 1993 – Aug 2004 |
| Heimple -B- O-3-24878 | Quail Creek Oil Corporation only | Merchant (Consolidated) | Liberty | 1 | 1.96K | 749 | Aug 2006 – Aug 2007 |
| Luig Ordner O-13-33816 | Veitenheimer Oil Co. only | Archer County Regular | Archer | 1 | 1.32K | 0 | May 2018 – Mar 2019 |
| Meisenheimer, George O-6-4329 | Hereford, J. A. Industries, Inc. only | Nacogdoches | Nacogdoches | 6 | 709 | 115 | by Jan 1993 – Apr 2019 |
| Halff & Oppenheimer O-1-13936 | S & L Oil Field Services only | Pearsall (Austin Chalk) | Frio | 1 | 651 | 3.01K | Jan 1995 – Mar 1995 |
| Halff & Oppenheimer O-1-14165 | Bigfoot Oil LLC only | Pearsall (Buda Lime) | Frio | 1 | 642 | 84.7K | Apr 1998 – Sep 2011 |
| George O-13-33186 | Veitenheimer Oil Co. only | Archer County Regular | Archer | 1 | 334 | 0 | Apr 2015 – Dec 2016 |
| Oppenheimer, J. D. O-1-3865 | Vac-U-Lift Production Co.,inc. only | Charlotte, SW. (Olmos, Up.) | Frio | 1 | 217 | 4 | by Jan 1993 – Jun 1996 |
| Meisenheimer O-6-10902 | Henderson Industries, Inc. only | Nacogdoches | Nacogdoches | 7 | 185 | 15 | by Jan 1993 – Jul 1994 |
| Oppenheimer O-1-13694 | Mortimer Exploration Company only | Comanche Creek (Erskine Sd.) | Zavala | 1 | 61 | 1 | by Jan 1993 – Jan 1993 |
| Oppenheimer B O-1-18070 | Blackbrush O & G, LLC only | Pearsall (Buda, S.) | Frio | 1 | 40 | 5.35K | Mar 2014 – Jun 2015 |
| Swickheimer Estate O-2-7002 | Phylko Energy Corporation only | Alkek (3485) | Goliad | 1 | 35 | 1 | by Jan 1993 – Jan 1993 |
| Veitenheimer, Adolph O-13-17835 | Church Exploration, Inc only | Archer County Regular | Archer | 5 | 3 | 3 | Feb 1993 – Jul 1993 |
| Bernheimer, Kermit L. O-11-13304 | Duke, M. L. only | Tri-WE (Reef) | Scurry | 1 | 0 | 0 | — |
| Meisenheimer -M- O-3-11865 | Salty Dog Service Company, LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 0 | 0 | — |
| Swickheimer, Lula M. O-2-6982 | Q. V. Services of Texas, L.P. only | Alkek (Frio SD) | Goliad | 1 | 0 | 0 | — |
| Swickheimer, Georgia Lee, et Al O-2-6810 | Phylko Energy Corporation only | Alkek, West (Frio 3320) | Goliad | 1 | 0 | 0 | — |
| Halff - Oppenheimer O-1-14198 | Pedeco, Inc. only | Pearsall (Austin Chalk) | Frio | 1 | 0 | 0 | — |
| Halff & Oppenheimer "B" O-1-3859 | Lawbar Petroleum, Inc. only | Pearsall (Austin Chalk) | Frio | 1 | 0 | 0 | — |
| Heimple -C- O-3-2282 | Quail Creek Oil Corporation only | Hull | Liberty | 1 | 0 | 0 | — |
| Swickheimer O-2-12312 | Vantage Operating, LLC only | Alkek, West (Frio 3320) | Goliad | 1 | 0 | 0 | — |