| Donner O-3-25531 | Iron Jaw Operating LLC only | Hartburg, NW. (7100) | Newton | 2 | 165K | 554 | Aug 2010 – Jul 2025 |
| Champion Int'l. Unit A-565 O-6-14101 | Rockstar Production, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 165K | 1.2M | May 2001 – Aug 2026 |
| Temple A-420 G-6-157254 | Swift Energy Company only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 163K | 1.63M | Oct 1995 – Apr 2001 |
| Arco Fee Unit A-228 G-6-153489 | Enervest Operating, L.L.C. only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 163K | 2.16M | May 1994 – Nov 2001 |
| Donner Unit G-6-147163 | Atlas Operating LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 163K | 4.92M | May 1993 – Apr 2026 |
| Champion O-6-13287 | Berenergy Corporation only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 162K | 1.91M | Jan 1994 – Aug 1995 |
| Champion Int'l. Unit a-20 NO.2 G-6-148677 | Sonat Exploration Company -Tyler only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 161K | 784K | Dec 1993 – May 1994 |
| Champion Int'l Unit A-1175 G-6-155820 | Union Pacific Resources Company only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 159K | 833K | Jul 1995 – Jan 1999 |
| Arco Fee O-6-13251 | Rme Petroleum Company only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 158K | 910K | Aug 1993 – Jun 2000 |
| Champion Int'l. Unit A-1148 O-6-13406 | Atlas Operating LLC only | Brookeland (Austin Chalk, 8800) | Newton | 2 | 158K | 1.06M | Mar 1995 – Jun 2026 |
| Champion Int'l. Unit A-796 O-6-14109 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 156K | 1.15M | Jul 2001 – Aug 2026 |
| Donner-Brown 567 O-6-14006 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 154K | 1.44M | Apr 2000 – Aug 2026 |
| Barrow Unit A-928 O-6-14280 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 154K | 1.21M | Dec 2003 – Aug 2026 |
| Kirby Lumber Company O-3-10947 | Iron Jaw Operating LLC only | Call, SE. (Wilcox) | Newton | 2 | 153K | 40.3K | by Jan 1993 – Jun 2025 |
| Champion Int'l. Unit A-1164 G-6-151948 | Swift Energy Company only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 149K | 967K | Jun 1994 – Feb 1999 |
| Donner-Brown Unit A-148 G-6-156716 | Atlas Operating LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 149K | 2.72M | Apr 1995 – Jun 2026 |
| Texaco Fee Ami O-6-13074 | Anadarko E&P Company LP only | Brookeland (Austin Chalk, 8800) | Newton | 3 | 148K | 1.85M | Mar 1993 – Sep 2000 |
| Champion Int'l. Unit A-460 G-6-151953 | Swift Energy Company only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 148K | 908K | Aug 1994 – Feb 1999 |
| Texaco Ami Unit 1 O-6-13113 | Lodel Energy Resources Corporati only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 147K | 1.08M | by Jan 1993 – Mar 2025 |
| Champion Int'l Unit A-411 G-6-159533 | Texas Oil and Gas Operating, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 146K | 1.45M | May 1996 – Sep 2000 |
| Hankamer-Tram O-3-26892 | Well-Co Solutions, LLC only | Sabine Tram (Wilcox 2) | Newton | 2 | 144K | 344K | Feb 2016 – Jan 2026 |
| Champion Unit 1 O-6-13315 | Swift Energy Company only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 144K | 484K | Nov 1993 – May 2004 |
| Hamill Unit A-118 G-6-155391 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 144K | 2M | Jul 1995 – Aug 2026 |
| Mel K. O-3-23255 | Prime Operating Company only | Bon Weir (11,100) | Newton | 2 | 144K | 425K | May 1997 – Oct 2018 |
| Champion a-334 Unit G-6-152455 | Union Pacific Resources Company only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 143K | 1.21M | Jul 1994 – Dec 1998 |
| Donner-Brown Unit A-11 G-6-156394 | Swift Energy Operating, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 141K | 1.91M | Jul 1995 – May 2006 |
| Temple-Inland Unit A-923 O-6-14056 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 139K | 1.91M | Dec 2000 – Jul 2026 |
| Pure Resources O-3-24918 | HD Operating Co, LLC only | Newton | Newton | 1 | 139K | 206K | Mar 2005 – Jul 2026 |
| Champion Int'l Unit a-2O No. 2 O-6-13345 | Swift Energy Company only | Brookeland (Austin Chalk, 8800) | Newton | 2 | 139K | 1.04M | Jun 1994 – Jun 1997 |
| Arco Donaho O-3-18206 | Neches Transport Inc. only | Ada Call, E. (Y-6) | Newton | 2 | 137K | 1.91K | by Jan 1993 – Mar 2009 |
| Jones, C.S. Unit A-93 G-6-159092 | Prize Exploration & Prod, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 136K | 1.15M | Mar 1996 – Sep 1999 |
| Brown-Donner Unit A-567 O-6-13853 | Rockstar Production, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 136K | 994K | Jan 1998 – Aug 2026 |
| Champion Int'l Unit A-1138 G-6-150308 | Sonat Exploration Company -Tyler only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 135K | 528K | May 1994 – Feb 1995 |
| Nicholas G-3-256722 | Hilcorp Energy Company only | Hartburg, S.E. (Yegua Cons.) | Newton | 1 | 132K | 4.34M | Feb 2010 – May 2012 |
| Kirby Lumber Corp. -D- #1 O-3-136 | Foundation Energy Management LLC only | Bancroft, North (Wilcox) | Newton | 2 | 131K | 25.1K | by Jan 1993 – Oct 2016 |
| Newton C O-3-24701 | HD Operating Co, LLC only | Newton | Newton | 2 | 130K | 327K | Apr 2005 – Aug 2026 |
| BP Black Stone a-253 West Unit G-3-264937 | Zarvona Energy LLC only | Magnolia Springs (Austin Chalk) | Newton | 1 | 128K | 1.67M | Jan 2012 – Aug 2026 |
| Smartt O-3-26865 | Will-Drill Production Co., Inc. only | Quicksand Creek (Wilcox 10,500) | Newton | 1 | 128K | 59.2K | Apr 2013 – Aug 2026 |
| Hankamer Foundation O-3-27663 | Forza Operating, LLC only | Sabine Tram, E (8000, E) | Newton | 1 | 127K | 153K | Nov 2019 – Oct 2024 |
| Texas A&m University G-3-248058 | Union Gas Operating Company only | Bleakwood, South (Middle Wilcox) | Newton | 1 | 127K | 3.13M | Dec 2008 – Jun 2023 |
| Champion Int'l Unit A-802 O-6-13424 | Prize Exploration & Prod, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 126K | 1.05M | Mar 1995 – May 1998 |
| New Lum / Black Stone G-3-280165 | Square Mile Energy, L.L.C. only | Long Prairie (12300) | Newton | 1 | 119K | 3.57M | Oct 2015 – Aug 2026 |
| Smith, Morgan O-3-24868 | HD Operating Co, LLC only | Newton | Newton | 1 | 118K | 520K | Jun 2006 – Aug 2026 |
| Newton "D" O-3-24974 | HD Operating Co, LLC only | Newton | Newton | 1 | 118K | 312K | Feb 2007 – Jul 2026 |
| Gray, James O-3-25086 | HD Operating Co, LLC only | James Gray (Wilcox 13350) | Newton | 2 | 115K | 206K | Sep 2006 – Jul 2026 |
| Hankamer O-3-24603 | Petro-Guard Production,l.l.c. only | Hartburg (Hackberry 1ST) | Newton | 1 | 115K | 69.7K | Oct 2004 – Jun 2015 |
| Athena G-3-301705 | Theron Energy Operating, LLC only | Magnolia Springs (Austin Chalk) | Newton | 1 | 114K | 474K | Apr 2026 – Aug 2026 |
| Cougar O-3-25040 | Prime Operating Company only | Camptown (5630 Sand) | Newton | 1 | 114K | 18.2K | Aug 2007 – Apr 2022 |
| Champion Int'l. Unit A-1159 G-6-148572 | Sonat Exploration Company -Tyler only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 113K | 717K | Oct 1993 – Feb 1995 |
| Gsu Unit A-543 G-6-151952 | Swift Energy Company only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 113K | 1.32M | Jun 1994 – Feb 1999 |