| Mitchell G-14-229587 | Unbridled Resources, LLC only | Frye Ranch (Consolidated) | Wheeler | 1 | 8.55K | 1.48M | May 2007 – Aug 2024 |
| Robertson "B" O-11-10446 | Mitchell Energy Corporation only | Forbes (Glorieta) | Crosby | 2 | 8.47K | 2.1K | by Jan 1993 – Feb 1996 |
| Mitchell 5B G-9-156397 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 8.47K | 1.5M | Oct 1995 – Aug 2026 |
| Sloan, Harold O-13-27896 | Mitchell Energy Corporation only | Ethel Conner (Miss.) | Jack | 1 | 8.43K | 9.33K | by Jan 1993 – Aug 1998 |
| Mitchell O-6-12750 | Hopewell Operating, Inc. only | Waskom (Rodessa 4800) | Harrison | 1 | 8.36K | 185 | by Jan 1993 – Jul 2004 |
| Hall Ranch O-9-11436 | O'Dell, Mitchell only | Brady Mountain (Canyon) | Concho | 1 | 8.29K | 21 | by Jan 1993 – Aug 2026 |
| Lake Creek Unit G-3-160642 | Mitchell Energy Corporation only | Lake Creek (J) | Montgomery | 1 | 8.17K | 153K | Oct 1996 – Dec 1996 |
| Mitchell -A- O-8-31496 | Mission Energy Inc. only | Taylor County Regular | Taylor | 1 | 8.16K | 12.1K | May 2013 – Jun 2026 |
| Mitchell, G. P. O-10-20223 | Blackbeard Operating, LLC only | Paladin (Penn.) | Winkler | 1 | 8.16K | 21 | by Jan 1993 – Oct 2022 |
| Chase, Ray O-14-2481 | Mitchell Ehrlich Oil & Gas, LLC only | Farnsworth-Conner (Des Moines) | Ochiltree | 4 | 8.11K | 120K | by Jan 1993 – Dec 2017 |
| Mitchell C Unit G-13-273838 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 8K | 1.02M | Jun 2011 – Aug 2026 |
| Frost, Eola G. G-3-108388 | Mitchell Energy Corporation only | Lake Creek, E. (Wilcox "G") | Montgomery | 1 | 7.94K | 238K | by Jan 1993 – Jun 1997 |
| Mitchell 31 G-9-215328 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 7.82K | 532K | Feb 2005 – Aug 2026 |
| Mitchell Estate O-2-4522 | McGowan Working Partners, Inc. only | Lolita (Bennview Zone) | Jackson | 1 | 7.74K | 23.4K | by Jan 1993 – Nov 2011 |
| Baldwin Heirs O-6-12769 | Cass Energy LLC only | Haynes (Mitchell) | Cass | 2 | 7.73K | 21 | by Jan 1993 – Aug 2026 |
| Baldwin, Addie No. 15 O-6-12714 | Cass Energy LLC only | Haynes (Mitchell) | Cass | 1 | 7.73K | 21 | by Jan 1993 – Aug 2026 |
| Mitchell -A- O-10-27529 | Robertson Resources, Inc. only | Monahans, NE. (Penn Detrital,up) | Winkler | 1 | 7.72K | 10.3K | by Jan 1993 – Nov 2000 |
| Baldwin, Addie No. 17 O-6-12716 | Cass Energy LLC only | Haynes (Mitchell) | Cass | 1 | 7.68K | 21 | by Jan 1993 – Aug 2026 |
| Winslow Gas Unit "C" G-3-152368 | Mitchell Energy Corporation only | Pinehurst (Wilcox G) | Montgomery | 1 | 7.61K | 104K | Sep 1994 – Nov 1996 |
| Mitchell 45 G-10-215462 | WPX Energy Permian, LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Loving | 1 | 7.52K | 246K | Nov 2005 – Feb 2015 |
| Mitchell-Williams Trust G-5-193278 | Valence Operating Company only | Loper (Cotton Valley Lime) | Freestone | 1 | 7.5K | 764K | Nov 2002 – Mar 2020 |
| Price, Guy & Annabelle O-11-10667 | Mitchell Energy Corporation only | Forbes (Glorieta) | Crosby | 4 | 7.49K | 4.33K | by Jan 1993 – Feb 1996 |
| Mitchell State 10 G-9-158252 | BRP Energy, LLC only | Pakenham (Thrusted) | Terrell | 1 | 7.44K | 1.61M | Apr 1996 – Jul 2024 |
| McClung, B. W. Etal O-13-10034 | Mitchell Energy Corporation only | Alvord (Caddo Conglomerate) | Wise | 2 | 7.4K | 21.4K | by Jan 1993 – Aug 1999 |
| Mitchell 11 G-9-214234 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 7.33K | 818K | Mar 2001 – Aug 2026 |
| Sparks, Joe O-6-12490 | Whatley, O.B. Oil Company, Inc. only | Haynes (Mitchell) | Cass | 1 | 7.31K | 21 | by Jan 1993 – May 2000 |
| Mitchell "a" 735 G-14-223899 | Presidio Petroleum LLC only | Peery (Cleveland) | Ochiltree | 1 | 7.21K | 585K | Aug 2006 – Jun 2025 |
| Mitchell "a" 735 G-14-64947 | Presidio Petroleum LLC only | Peery (Cleveland) | Ochiltree | 1 | 7.15K | 1.01M | by Jan 1993 – Aug 2023 |
| Copeland-Mitchell "G" O-8-30229 | Delta Oil & Gas Ltd. only | Caddo, North (Duffer) | Stephens | 1 | 7.15K | 41.3K | Nov 2008 – Aug 2019 |
| Mitchell 4 G-9-158517 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 7.14K | 574K | Apr 1996 – Aug 2026 |
| Robertson "C" O-11-11562 | Mitchell Energy Corporation only | Forbes (Glorieta) | Crosby | 2 | 7.11K | 589 | by Jan 1993 – Feb 1996 |
| Mitchell "A" O-10-44109 | Ruckus Energy Operating, LLC only | G. P. M. (Glorieta) | Winkler | 1 | 7.01K | 2.73K | May 2011 – May 2015 |
| Mitchell 7 G-9-150019 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 7.01K | 1.57M | May 1994 – Aug 2026 |
| Blair, Mary "A" O-13-28201 | Mitchell Energy Corporation only | Wolfe (Strawn) | Jack | 1 | 7K | 21 | by Jan 1993 – Nov 1997 |
| Blake, Celia Dee O-14-7547 | Mitchell Ehrlich Oil & Gas, LLC only | Bradford (Tonkawa) | Lipscomb | 1 | 6.99K | 9.35K | Nov 2004 – Oct 2014 |
| McDonald School Land O-6-12890 | Whatley, O.B. Oil Company, Inc. only | Haynes (Mitchell) | Cass | 1 | 6.92K | 21 | by Jan 1993 – Jan 2012 |
| Holland Estates O-14-8579 | Mitchell Ehrlich Oil & Gas, LLC only | Perryton, N. E. (Marmaton) | Ochiltree | 1 | 6.89K | 19.4K | May 2011 – Jan 2017 |
| Mitchell 1A G-9-140019 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 6.85K | 1.99M | by Jan 1993 – Aug 2026 |
| Mitchell Estate O-2-880 | Trinidad Resources, LLC only | Lolita (Marginulina Zone) | Jackson | 4 | 6.8K | 1.4K | by Jan 1993 – Jul 2025 |
| Butler, Lillie K. G-3-170623 | Mitchell Energy Corporation only | Lake Creek, E. (Wilcox "G") | Montgomery | 1 | 6.66K | 127K | Sep 1998 – Feb 1999 |
| Mitchell 4 G-9-198187 | Hilcorp Energy Company only | Pakenham (Thrusted) | Terrell | 1 | 6.58K | 996K | Aug 2003 – Aug 2026 |
| Lee-Mitchell "a" Gas Unit G-3-244972 | Lavaca River Operating Co., LLC only | Lissie, South (Yegua 6900) | Wharton | 1 | 6.58K | 828K | Jan 2009 – Jan 2016 |
| Mitchell -B- O-8-31542 | Mission Energy Inc. only | Taylor County Regular | Taylor | 1 | 6.57K | 12.1K | Jun 2013 – Sep 2025 |
| Mitchell 2 G-9-150837 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 6.52K | 710K | Aug 1994 – Aug 2026 |
| Mitchell "C" O-1-11137 | Koko Skadi, LLC only | Somerset | Bexar | 1 | 6.49K | 20 | by Jan 1993 – Jul 2026 |
| Mitchell 1A G-9-150257 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 6.46K | 1.89M | Jun 1994 – Aug 2026 |
| Mitchell Unit G-13-226738 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Parker | 1 | 6.43K | 1.42M | Feb 2007 – Aug 2026 |
| Mitchell 11 G-9-161649 | Hilcorp Energy Company only | Nstb (Wolfcamp) | Terrell | 1 | 6.41K | 1.23M | Aug 1996 – Aug 2026 |
| Pinehurst O-3-23823 | Mitchell Energy Company L.P. only | Pinehurst (Middle Wilcox) | Montgomery | 1 | 6.41K | 374K | Aug 1999 – Sep 2001 |
| Mitchell Ranch G-13-231715 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Hood | 1 | 6.4K | 748K | Nov 2006 – Aug 2026 |