| Richards, F. M. & L. L. G-3-135554 | Famcor Oil, Inc. only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 95.9K | 1.63M | by Jan 1993 – Feb 2009 |
| Richardson G-3-199691 | Noble Energy Inc only | Bobcat Run (Nodosaria) | Orange | 1 | 90.6K | 3.48M | Feb 2004 – Nov 2006 |
| Richards Ranch G-13-250083 | Newark E&P Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 89.3K | 546K | Feb 2009 – Jul 2013 |
| Richards G-3-146554 | Crimson Exploration Oper., Inc. only | Round Mott (Yegua) | Wharton | 1 | 75.6K | 2.52M | Sep 1993 – Sep 1999 |
| Richardson G-13-277632 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Cooke | 1 | 58.6K | 1.16M | Jul 2010 – Aug 2026 |
| Richards, F. M. & L. L. G-3-135553 | Oretta Holdings LLC only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 50.7K | 771K | by Jan 1993 – Dec 2006 |
| Richards G-3-235133 | Oretta Holdings LLC only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 45.4K | 921K | Mar 2008 – May 2023 |
| Richardson Unit G-3-207368 | Hughes Oil Operating, LLC only | Hardin, SW. (H. Daniel Sand) | Liberty | 1 | 44.6K | 3.98M | Dec 2004 – Jun 2014 |
| Richardson G-13-274319 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Cooke | 1 | 43.9K | 217K | Jun 2007 – Mar 2020 |
| Richards G-3-243018 | Oretta Holdings LLC only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 41.6K | 319K | Sep 2008 – May 2015 |
| Richards Ranch G-13-237984 | FX Energy Operating, LLC only | Newark, East (Barnett Shale) | Jack | 1 | 32.6K | 481K | Jul 2007 – Sep 2017 |
| Richardson G-13-274906 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Cooke | 1 | 29K | 232K | Jun 2007 – Mar 2014 |
| Richards G-3-229332 | Oretta Holdings LLC only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 26.6K | 375K | Jun 2007 – Jun 2023 |
| Richardson 3 G-14-194054 | Unbridled Resources, LLC only | Allison Parks (Granite Wash) | Wheeler | 1 | 26.4K | 330K | Feb 2003 – Jun 2024 |
| Richardson B Unit G-13-273912 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Cooke | 1 | 26K | 196K | Apr 2011 – Feb 2014 |
| Richardson Unit 1 G-6-216990 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 22K | 1.91M | Dec 2005 – Aug 2026 |
| Richardson B Unit G-13-273911 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Cooke | 1 | 21.4K | 924K | Mar 2011 – Aug 2026 |
| Richardson Unit 1 G-6-138002 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 21.4K | 1.97M | by Jan 1993 – Aug 2026 |
| Richardson G-3-196777 | Noble Energy Inc only | Bobcat Run, S. (12,100) | Orange | 1 | 20K | 432K | Apr 2003 – Dec 2003 |
| Richardson Unit 1 G-6-140720 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 18.8K | 1.91M | by Jan 1993 – Aug 2026 |
| Richardson, V. W. G-14-190041 | Natural Gas Anadarko Company only | Pan Petro (Cleveland) | Ochiltree | 1 | 18.1K | 158K | Jul 2002 – Aug 2026 |
| Richardson Unit 1 G-6-176177 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 18K | 1.97M | Jan 2000 – Aug 2026 |
| Richardson Unit 1 G-6-263824 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 17.2K | 1.17M | Feb 2012 – Aug 2026 |
| Richardson, J.D. G-6-154475 | Elms Oil Company only | White Oak (Cotton Valley Sand) | Upshur | 1 | 16.3K | 901K | Mar 1995 – Aug 2015 |
| Richards Ranch G-13-279486 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 16K | 296K | Sep 2015 – Aug 2026 |
| Richardson G-3-222789 | Noble Energy Inc only | Bobcat Run (Hackberry) | Orange | 1 | 15.9K | 314K | Nov 2006 – May 2009 |
| Richards Ranch G-13-279339 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 15.5K | 215K | Nov 2015 – Aug 2026 |
| Richardson Unit 1 G-6-145287 | Lacy Operations, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 13.2K | 1.13M | Apr 1993 – Sep 2002 |
| Richards Ranch G-13-278779 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 11.3K | 205K | Oct 2015 – Aug 2026 |
| Richardson G-6-143053 | Riverstone Energy Operating, LLC only | Bethany (Page Sand) | Harrison | 1 | 11.1K | 947K | by Jan 1993 – Jan 2008 |
| Richards, Stan G-13-228476 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 10.6K | 1.08M | Mar 2007 – Aug 2026 |
| Richardson Unit 1 G-6-132000 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 10.5K | 1.51M | by Jan 1993 – Jul 2016 |
| Richardson Unit 1 G-6-255149 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 9.74K | 1.45M | Feb 2010 – Aug 2026 |
| Ivey-Richardson G-3-112105 | Parten Operating Inc. only | Fort Trinidad, W. (Glen Rose,up) | Madison | 1 | 9.5K | 899K | by Jan 1993 – Aug 2026 |
| Harrelson G-8-200950 | Braka Operating, L.L.C. only | Richardson (Marble Falls) | Eastland | 1 | 8.26K | 91.8K | Nov 2003 – Aug 2026 |
| Richardson Unit 1 G-6-76946 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 7.85K | 1.1M | by Jan 1993 – Apr 2022 |
| Richardson G-6-208941 | Brookston Energy, Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 7.74K | 214K | Dec 2004 – Aug 2026 |
| Richards, G. L. G-4-199384 | Escudo Oil & Gas, LLC only | Sullivan City (Vicksburg, 80-L) | Starr | 1 | 7.03K | 1.26M | Feb 2004 – Dec 2022 |
| Richardson G-6-206320 | Brookston Energy, Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 5.81K | 459K | Sep 2004 – Aug 2026 |
| Richards Ranch "a" Unit G-13-211734 | FX Energy Operating, LLC only | Newark, East (Barnett Shale) | Jack | 1 | 5.66K | 236K | Jul 2005 – Oct 2009 |
| Richardson Unit 1 G-6-234803 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 5.57K | 1.52M | Mar 2008 – Aug 2026 |
| Richardson G-6-207880 | Brookston Energy, Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 5.51K | 430K | Oct 2004 – Aug 2026 |
| Richards, J. P. G-3-135503 | Jet Oil Producers, Inc. only | Cold Springs | San Jacinto | 1 | 5.5K | 264K | by Jan 1993 – Aug 1997 |
| Richardson, Marie G-5-95666 | Proline Energy Resources Inc only | Teague (CV-Bossier Cons.) | Freestone | 1 | 5.44K | 1.88M | by Jan 1993 – Mar 2022 |
| Richardson Virginia Unit G-13-231648 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 4.88K | 2.31M | May 2007 – Aug 2026 |
| Richardson G-6-226970 | Brookston Energy, Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 4.85K | 192K | Sep 2006 – Sep 2025 |
| Richardson G-6-36195 | Princess Three Operating, LLC only | Minden (Travis Peak Cons.) | Rusk | 1 | 4.57K | 288K | by Jan 1993 – May 2015 |
| Richardson Virginia Unit G-13-247620 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 4.47K | 2.27M | Feb 2007 – Aug 2026 |
| Richardson Heirs G-3-280356 | H.E.R. Operating, LLC only | Buna, North (Yegua #4) | Jasper | 1 | 4.14K | 10.1K | Oct 2014 – Jan 2022 |
| Richards, W. R. et al "A" G-13-150491 | Texxol Operating Company, Inc. only | Jack County Regular (Gas) | Jack | 1 | 4.09K | 1.51M | Jul 1994 – Aug 2026 |