| Phillips, J.W. O-8-12707 | Davco Oil LLC only | J. S. Lewis (Marble Falls) | Brown | 21 | 92.2K | 586K | by Jan 1993 – Jul 2026 |
| Mayo, Joe Unit #2 O-13-22070 | Cobra Oil & Gas Corporation only | Joy, N.W. (Marble Falls) | Clay | 1 | 92K | 43.4K | by Jan 1993 – Aug 2026 |
| Lake Pasture O-8-28433 | Jeff Dooley Operating, LLC only | Green (Marble Falls) | Stephens | 3 | 91.4K | 420K | Sep 1997 – Aug 2026 |
| Richards Ranch G-13-250083 | Newark E&P Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 89.3K | 546K | Feb 2009 – Jul 2013 |
| Kilgust O-8-30960 | FX Energy Operating, LLC only | Oran (Marble Falls) | Palo Pinto | 7 | 87.3K | 1.61M | Feb 2012 – Mar 2024 |
| Rumage O-13-32775 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 8 | 87K | 1.99M | Nov 2013 – Aug 2026 |
| Briscoe O-13-33661 | Caribou Operating, Inc. only | Antelope,s.e. (Marble Falls) | Jack | 7 | 86.7K | 3.14M | Oct 2016 – Jul 2026 |
| Fall O-11-69119 | Crossroads Operating, LLC only | Sharon Ridge (Clear Fork) | Scurry | 4 | 85.4K | 1.5K | Apr 2007 – Aug 2026 |
| Holcomb O-13-28599 | Karper Oil & Gas Corporation only | Karran, North (Marble Falls) | Young | 1 | 84.2K | 1.07M | Jul 1993 – Aug 2020 |
| Fitzgerald O-13-32283 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 4 | 83.8K | 1.71M | May 2012 – Aug 2026 |
| Windfall Unit O-1-13948 | TC Oil and Gas, LLC only | Pilgrim (Austin Chalk) | Gonzales | 1 | 83.1K | 122 | Jan 1995 – Nov 2019 |
| Sittin' Duck O-8-27170 | S.B. Street Operating, Inc. only | Crystal Falls (Miss.) | Stephens | 1 | 82.3K | 139K | May 1994 – Aug 2026 |
| Brown, R. A. O-8-26800 | Safari Resources, LLC only | Crystal Falls (Miss.) | Stephens | 2 | 81.7K | 7.85K | by Jan 1993 – Jul 2026 |
| Moczgyemba V.T. O-2-6787 | Legend Natural Gas II, LP only | Falls City (Poth A) | Karnes | 1 | 79.7K | 5.72K | by Jan 1993 – May 2006 |
| Holcomb "A" O-13-23361 | Gannett Operating LLC only | Karran, North (Marble Falls) | Young | 4 | 79.5K | 254K | by Jan 1993 – Jul 2016 |
| McFall, Anna, et Al O-13-13948 | Wise Production Company only | M P S (Ellenburger) | Montague | 3 | 78.6K | 619K | by Jan 1993 – Aug 2026 |
| Walter Ranch O-13-32823 | White Knight Production LLC only | KRS (Marble Falls) | Palo Pinto | 7 | 76.9K | 1.33M | Aug 2013 – May 2021 |
| Moczygemba, V.T. O-2-6676 | Legend Natural Gas II, LP only | Falls City (Lma) | Karnes | 2 | 76.1K | 6.19K | by Jan 1993 – May 2006 |
| Barnett O-8-31239 | Bulwark Oil & Gas, LLC only | Oran (Marble Falls) | Palo Pinto | 6 | 74K | 1.52M | Jun 2013 – Aug 2026 |
| Falls City Unit O-2-9048 | Britanco, L.L.C. only | Falls City (Wilcox Cons.) | Karnes | 25 | 72.7K | 0 | Jun 2006 – Aug 2026 |
| Barnett No. 4 Unit O-13-28961 | Itx Corporation only | Barnett (Marble Falls, Oil) | Young | 1 | 72K | 471K | May 1995 – Aug 2026 |
| Hasten O-13-32725 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 5 | 70.8K | 1.48M | Oct 2013 – Aug 2026 |
| Halsell Ranch O-13-31827 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 8 | 69.5K | 1.81M | Oct 2010 – Jul 2026 |
| Stephen, Paul O-8-24265 | Palo Pinto Bond Company, LLC only | Strawn, NW. (Marble Falls) | Palo Pinto | 10 | 69.1K | 247K | by Jan 1993 – Mar 2018 |
| C. Lewis O-13-33359 | G & F Oil, Inc. only | KRS (Marble Falls) | Jack | 6 | 68.9K | 1.2M | Jun 2015 – Jul 2026 |
| Sparkman O-13-33262 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Clay | 1 | 68.6K | 634K | Nov 2014 – Aug 2026 |
| Hamman O-13-32157 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 7 | 68K | 1.97M | Mar 2012 – Apr 2021 |
| Truitt "A" O-13-28645 | Willowbend Investments, Inc. only | Denton Creek (Marble Falls) | Montague | 1 | 67K | 18.2K | Jun 1993 – Aug 2026 |
| Donnell, Sallie R. O-13-28747 | S.B. Street Operating, Inc. only | Murray (Marble Falls) | Young | 1 | 66.1K | 96.4K | Feb 1994 – Jun 2023 |
| Clark Estate "B" 6 O-13-28978 | Karper Oil & Gas Corporation only | Karran, North (Marble Falls) | Young | 1 | 65.6K | 778K | Jun 1995 – Jun 2026 |
| Davis O-8-27018 | Safari Resources, LLC only | Crystal Falls (Miss.) | Stephens | 1 | 63.6K | 7.94K | Sep 1993 – Jan 2024 |
| Dunlap, J.G. O-8-11771 | Itx Corporation only | Veale (Marble Falls) | Stephens | 2 | 62.7K | 258K | by Jan 1993 – Aug 2026 |
| Triangle J O-13-32462 | Newark E&P Operating, LLC only | KRS (Marble Falls) | Jack | 2 | 62.5K | 771K | Mar 2013 – Nov 2015 |
| Zeiske O-8-31920 | JQL Energy, LLC only | Santa Anna (Marble Falls) | Coleman | 8 | 59.1K | 0 | Nov 2015 – Aug 2026 |
| Oran 445 O-8-31628 | FX Energy Operating, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 58.4K | 481K | Oct 2013 – Aug 2022 |
| Falls Co. -A- O-13-788 | Robinson Oil Co. only | Archer County Regular | Archer | 8 | 57.8K | 27 | by Jan 1993 – Aug 2026 |
| Moczygemba, V.T. O-2-5951 | Legend Natural Gas II, LP only | Falls City (Lmaum) | Karnes | 1 | 57.1K | 2.44K | by Jan 1993 – Jun 2005 |
| Falls City Unit O-2-5365 | Legend Natural Gas II, LP only | Falls City (Uol) | Karnes | 2 | 56.5K | 2.28K | by Jan 1993 – May 2006 |
| Higginbotham O-8-27284 | Eastland Operating, L.L.C. only | Rebecca (Marble Falls) | Eastland | 7 | 55.7K | 23.5K | Sep 1994 – Aug 2026 |
| Moczygemba, V. T. O-2-5349 | Legend Natural Gas II, LP only | Falls City (Lfa) | Karnes | 1 | 55.2K | 1.48K | by Jan 1993 – Apr 2006 |
| Zieske O-8-13444 | Johnson & Morris only | Santa Anna, E. (Marble Falls) | Coleman | 7 | 55K | 20 | by Jan 1993 – Aug 2026 |
| Moczygemba, V. T. O-2-5363 | Legend Natural Gas II, LP only | Falls City (Uol) | Karnes | 1 | 53K | 1.28K | by Jan 1993 – Jan 2006 |
| Holcomb "F" O-13-25412 | Hill, R.M. Operating Inc. only | Karran, North (Marble Falls) | Young | 1 | 52.1K | 110K | by Jan 1993 – Apr 2001 |
| Morrison, Patsy "G" O-8-24678 | Cooper Oil & Gas, LLC only | Morrison (Marble Falls) | Throckmorton | 2 | 50.5K | 27.5K | by Jan 1993 – Aug 2026 |
| Falls City Unit O-2-6646 | Legend Natural Gas II, LP only | Falls City (Maguglin Upper) | Karnes | 1 | 50.3K | 2.07K | by Jan 1993 – Oct 2005 |
| Oneal, B.G. Etal O-8-5286 | Ridge Oil Company only | Oneal (Marble Falls) | Stephens | 7 | 49.2K | 531K | by Jan 1993 – Aug 2026 |
| Turner, Mary-3-4-5-6 O-13-28348 | Paratus Petroleum LLC only | Lost Valley (Marble Falls) | Jack | 4 | 48.8K | 615K | by Jan 1993 – Aug 2026 |
| Sanders "A" O-8-26696 | Stober Oil and Gas Services, LLC only | Crystal Falls (Miss.) | Stephens | 1 | 48K | 52.9K | by Jan 1993 – Apr 2018 |
| Fallon O-3-11875 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 47.5K | 69.9K | by Jan 1993 – Aug 2026 |
| Walker, G. B. O-8-11488 | Itx Corporation only | Veale (Marble Falls) | Stephens | 3 | 47.2K | 240K | by Jan 1993 – Aug 2026 |