| Fowler State Unit 1720 G-10-285590 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 370K | 2.54M | Jun 2017 – Apr 2026 |
| Pilgreen G-2-179361 | Fowler Oil & Gas LLC only | Speaks, SW (Middle Wilcox-Cons.) | Lavaca | 1 | 289K | 6.78M | Jul 2000 – Mar 2026 |
| Fowler 193/194 A G-10-295679 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Ward | 1 | 259K | 624K | Jul 2023 – Apr 2026 |
| Fowler 193/194 B G-10-298785 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Ward | 1 | 239K | 589K | Nov 2024 – Apr 2026 |
| Kolar, Ed G-2-139118 | Fowler Oil & Gas LLC only | Vienna (Wilcox, Middle U) | Lavaca | 1 | 229K | 3.76M | Jan 1993 – Mar 2026 |
| Fowler State Unit 1720 G-10-285591 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 221K | 2.35M | May 2018 – Apr 2026 |
| Kolar, Ed G-2-143866 | Fowler Oil & Gas LLC only | Vienna (Wilcox, Middle U) | Lavaca | 1 | 204K | 4.9M | Jan 1993 – Mar 2026 |
| Fowler 193/194 C G-10-298715 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Ward | 1 | 197K | 482K | Nov 2024 – Apr 2026 |
| Kolar, Ed G-2-148410 | Fowler Oil & Gas LLC only | Vienna (Wilcox, Middle U) | Lavaca | 1 | 193K | 3.48M | Dec 1993 – Mar 2026 |
| Kolar, Ed G-2-145603 | Fowler Oil & Gas LLC only | Vienna (Wilcox, Middle U) | Lavaca | 1 | 170K | 2.43M | Jan 1993 – Mar 2026 |
| Kolar, Ed G-2-129394 | Fowler Oil & Gas LLC only | Vienna (Wilcox, Middle U) | Lavaca | 1 | 160K | 3.65M | Jan 1993 – Mar 2026 |
| Kolar, Ed G-2-147341 | Fowler Oil & Gas LLC only | Vienna (Wilcox, Middle U) | Lavaca | 1 | 156K | 2.46M | Sep 1993 – Mar 2026 |
| Migl-Quinn G-2-173089 | Fowler Oil & Gas LLC only | Speaks, SW (Middle Wilcox-Cons.) | Lavaca | 1 | 146K | 4.35M | Oct 1998 – Sep 2025 |
| Stovall G-2-200146 | Fowler Oil & Gas LLC only | Crandall Rubie (Wilcox Cons.) | Lavaca | 1 | 143K | 3.95M | Jun 2003 – Mar 2026 |
| Pilgreen G-2-174660 | Fowler Oil & Gas LLC only | Speaks, SW (Middle Wilcox-Cons.) | Lavaca | 1 | 125K | 5.29M | Sep 1998 – Jun 2010 |
| Fowler 34-193 G-10-279367 | Anadarko E&P Onshore LLC only | Sandbar (Bone Spring) | Ward | 1 | 106K | 461K | Jul 2015 – Feb 2025 |
| Neuhaus G-2-231359 | Fowler Oil & Gas LLC only | Vienna (Wilcox, Middle U) | Lavaca | 1 | 91.2K | 2.37M | Sep 2007 – Mar 2026 |
| Fowler G-3-281747 | Geosouthern Operating II, LLC only | Giddings (Austin Chalk, Gas) | Washington | 1 | 78.9K | 5.59M | Dec 2016 – Apr 2026 |
| Pilgreen G-2-191829 | Fowler Oil & Gas LLC only | Speaks, SW (Middle Wilcox-Cons.) | Lavaca | 1 | 60.7K | 1.37M | Mar 2001 – Mar 2026 |
| Migl-Quinn G-2-174765 | Fowler Oil & Gas LLC only | Speaks, SW (Middle Wilcox-Cons.) | Lavaca | 1 | 45.5K | 9.96M | Jan 1999 – Mar 2026 |
| Crandall, Rubie G-2-269032 | Fowler Oil & Gas LLC only | Crandall Rubie (Wilcox Cons.) | Lavaca | 1 | 45K | 521K | Aug 2012 – Mar 2026 |
| Barnes, Leon G-2-174748 | Fowler Oil & Gas LLC only | Gata (Wilcox 12500) | Lavaca | 1 | 39.2K | 4.83M | Sep 1999 – Mar 2026 |
| Pilgreen G-2-182525 | Fowler Oil & Gas LLC only | Speaks, SW (Middle Wilcox-Cons.) | Lavaca | 1 | 35.9K | 3.43M | Nov 2000 – Sep 2010 |
| Kuester G-2-144275 | Fowler Oil & Gas LLC only | Kasper, S. (Knave) | De Witt | 1 | 24.9K | 3.54M | Jan 1993 – Mar 2026 |
| Upchurch G-2-169365 | Fowler Oil & Gas LLC only | Speaks, SW. (Rainbow) | Lavaca | 1 | 24.9K | 3.53M | Jun 1998 – Mar 2026 |
| Barnes, Leon G-2-174746 | Fowler Oil & Gas LLC only | Gata (Wilcox 12500) | Lavaca | 1 | 21.3K | 3.03M | Aug 1999 – Mar 2026 |
| Barnes, Leon G-2-174114 | Fowler Oil & Gas LLC only | Gata (Wilcox 12500) | Lavaca | 1 | 18.4K | 2.7M | Apr 1999 – Feb 2004 |
| Migl-Mitchell G-2-181491 | Fowler Oil & Gas LLC only | Speaks, SW (Middle Wilcox-Cons.) | Lavaca | 1 | 16.3K | 1.88M | Nov 2000 – Mar 2026 |
| Stamper-Fowler G-13-252141 | Oakridge Oil and Gas, LP only | Jack County Regular (Gas) | Jack | 1 | 16K | 276K | Oct 2008 – Apr 2026 |
| Stamper-Fowler G-13-255453 | Oakridge Oil and Gas, LP only | JMG Mag (Miss) | Jack | 1 | 14.8K | 106K | Jul 2009 – Apr 2021 |
| Fowler G-6-143992 | Lance Oil & Gas Productions only | Rodessa (Hill North) | Cass | 1 | 13.1K | 861K | Jan 1993 – Apr 2026 |
| Sibley Estate G-2-269091 | Fowler Oil & Gas LLC only | Esperanza (Wilcox 7800) | Lavaca | 1 | 11.9K | 159K | Apr 2012 – Jan 2014 |
| Fowler "A" G-5-164050 | Linn Operating, Inc. only | Oletha (Cotton Valley Sand) | Limestone | 1 | 9.74K | 661K | Apr 1997 – Mar 2017 |
| Pilgreen G-2-177125 | Fowler Oil & Gas LLC only | Speaks, SW (Middle Wilcox-Cons.) | Lavaca | 1 | 9.4K | 1.23M | Nov 1999 – Feb 2007 |
| Eaves G-2-173469 | Fowler Oil & Gas LLC only | Speaks, SW. (Rainbow) | Lavaca | 1 | 9.22K | 17.8M | Nov 1998 – Aug 2018 |
| Kolar, E. E. G-2-4605 | Fowler Oil & Gas LLC only | Vienna (Wilcox, Middle U) | Lavaca | 1 | 8.32K | 536K | Jan 1993 – Oct 2011 |
| Jacobs Ranch G-2-276118 | Fowler Oil & Gas LLC only | The Rapture (Wilcox) | Lavaca | 1 | 8.3K | 1.85M | Oct 2014 – Mar 2026 |
| Pilgreen G-2-199470 | Fowler Oil & Gas LLC only | Speaks, SW (Middle Wilcox-Cons.) | Lavaca | 1 | 7.91K | 194K | Mar 2003 – Mar 2023 |
| Fowler G-13-201889 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 7.25K | 675K | Apr 2004 – Apr 2026 |
| Pilgreen G-2-251964 | Fowler Oil & Gas LLC only | Speaks, SW. (Rainbow) | Lavaca | 1 | 6.86K | 2.13M | Dec 2008 – Aug 2019 |
| Pilgreen G-2-192593 | Fowler Oil & Gas LLC only | Speaks, SW. (Wilcox 9560) | Lavaca | 1 | 6.77K | 534K | Nov 2001 – Jul 2016 |
| Barnes, Leon G-2-253217 | Fowler Oil & Gas LLC only | Gata (Wilcox 11,800 Sand) | Lavaca | 1 | 6.59K | 802K | Jul 2009 – Mar 2026 |
| Fowler G-13-193980 | Bedrock Production, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 6.52K | 368K | Jan 2003 – Nov 2017 |
| Stamper Fowler G-13-284648 | Oakridge Oil and Gas, LP only | Kadane (Marble Falls) | Jack | 1 | 6.06K | 158K | Jul 2018 – Apr 2026 |
| Fowler, A. G-13-92056 | Eagleridge Operating, LLC only | Boonsville (Bend Congl., Gas) | Jack | 1 | 5.98K | 315K | Jan 1993 – Oct 2017 |
| Fowler G-13-192705 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 5.77K | 413K | Oct 2002 – Jan 2026 |
| Fowler G-13-149074 | Gonzenbach Oil & Gas, LLC only | Jupiter (Conglomerate 3RD) | Jack | 1 | 5.7K | 382K | Apr 1994 – Feb 2017 |
| Barton, Fowler G-6-234378 | West Mountain Operating Co, Inc. only | Cayuga (Woodbine) | Anderson | 1 | 4.88K | 36.6K | Feb 2007 – Apr 2009 |
| Migl-Quinn G-2-186761 | Fowler Oil & Gas LLC only | Speaks, SW. (Rainbow) | Lavaca | 1 | 3.83K | 2.72M | Jul 2000 – Apr 2019 |
| Jacobs Ranch G-2-238225 | Fowler Oil & Gas LLC only | The Rapture (Wilcox) | Lavaca | 1 | 3.81K | 819K | Jul 2008 – Mar 2026 |