| Mitchell -20- O-10-27259 | U S Energy Corp. of Amer. Inc. only | Halley, South (Penn.) | Winkler | 1 | 6.37K | 131K | by Jan 1993 – Aug 2026 |
| Mitchell 2 G-9-155597 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 6.34K | 1.09M | Jul 1995 – Aug 2026 |
| Henderson, R.L. O-5-3226 | Mitchell Energy Corporation only | Alabama Ferry (Woodbine-Dexter) | Leon | 1 | 6.31K | 2.67K | by Jan 1993 – Jun 1993 |
| Mitchell 5B G-9-161309 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 6.28K | 1.15M | Aug 1996 – Aug 2026 |
| Kelsey, Annie D, Gas Unit G-6-162748 | Mitchell Energy Company L.P. only | Lassater (Cotton Valley) | Marion | 1 | 6.26K | 72.1K | Oct 1996 – Apr 1999 |
| Industrial Site O-14-8572 | Mitchell Ehrlich Oil & Gas, LLC only | Pshigoda, N. (Des Moines) | Ochiltree | 1 | 6.25K | 27.7K | Dec 2011 – Mar 2017 |
| Mitchell 68 G-9-143742 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 6.24K | 2.41M | by Jan 1993 – Aug 2026 |
| Mitchell Pasture O-3-15766 | Ramrod Oil and Gas (U.S.A.) Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 6.22K | 15.8K | by Jan 1993 – Dec 1995 |
| Mitchell, Sue O-13-21723 | Quatro Oil and Gas, Inc. only | K-M-A (1300) | Wichita | 4 | 6.13K | 33 | by Jan 1993 – Feb 2019 |
| Price, George "A" O-6-12671 | Whatley, Audie Floyd Estate Of only | Haynes (Mitchell) | Cass | 1 | 6.12K | 20 | by Jan 1993 – Jul 2021 |
| Mitchell 6 G-9-144723 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 6.09K | 1.08M | Mar 1993 – Aug 2026 |
| Gage, C. L. "G" O-13-28256 | Mitchell Energy Corporation only | Boonsville, South (Atoka) | Wise | 1 | 6.06K | 37.1K | by Jan 1993 – May 1998 |
| Robinson, Elmer O-13-23538 | Mitchell Energy Corporation only | Chico, West (Conglomerate 5700) | Wise | 3 | 5.99K | 394K | by Jan 1993 – Jul 1998 |
| Mitchell G-6-124935 | Brookston Energy, Inc. only | Waskom (Bell Zone) | Harrison | 1 | 5.99K | 1.39M | by Jan 1993 – Aug 2026 |
| Boyd Heirs O-13-21066 | Mitchell Energy Corporation only | Kramberger (Atoka Congl.) | Jack | 1 | 5.96K | 32.4K | by Jan 1993 – Oct 1998 |
| Columbus Field Unit G-3-129342 | Mitchell Energy Corporation only | Columbus ( 7-E) | Colorado | 1 | 5.83K | 438K | by Jan 1993 – Mar 1999 |
| Pinehurst Gas Unit G-3-131367 | Mitchell Energy Corporation only | Pinehurst (Middle Wilcox) | Montgomery | 1 | 5.82K | 337K | by Jan 1993 – Mar 1994 |
| Mitchell 1A G-9-141739 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 5.79K | 1.84M | by Jan 1993 – Aug 2026 |
| Mitchell 6 G-9-196803 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 5.74K | 1.82M | Mar 2003 – Aug 2026 |
| Columbus Field Unit G-3-129078 | Mitchell Energy Company L.P. only | Columbus ( 6-C, South) | Colorado | 1 | 5.72K | 446K | Jul 1994 – Aug 2001 |
| Mitchell Unit 1 G-9-176877 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 5.72K | 1.03M | Mar 2000 – Aug 2026 |
| Bemis, W. N. Estate "B" O-6-12501 | Whatley, O.B. Oil Company, Inc. only | Haynes (Mitchell) | Cass | 1 | 5.66K | 21 | by Jan 1993 – Nov 1999 |
| Mitchell 8 G-9-198792 | Hilcorp Energy Company only | Pakenham (Thrusted) | Terrell | 1 | 5.62K | 1.6M | Jul 2003 – Aug 2026 |
| Mitchell 'A' O-14-1360 | Shamrock Texas Partners L.P. only | Panhandle Wheeler County Field | Wheeler | 2 | 5.52K | 12K | by Jan 1993 – Jul 2006 |
| Mitchell/Quinney Unit O-1-14307 | Greenwerks Outdoor Services LLC only | Stockdale (Carrizo) | Wilson | 4 | 5.5K | 43 | Jun 2000 – Feb 2023 |
| Hughes-Crawford O-13-28846 | Mitchell Energy Corporation only | Morris (Consolidated Congl.) | Wise | 1 | 5.48K | 286K | Aug 1994 – Jan 1999 |
| Mitchell-Baldinger G-13-264324 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 5.48K | 1.76M | Jan 2012 – Feb 2026 |
| Killough O-5-3702 | Mitchell Energy Company L.P. only | Ici (Georgetown) | Robertson | 1 | 5.37K | 0 | Aug 2000 – Feb 2001 |
| Mitchell G-6-105462 | Comstock Oil & Gas, Inc. only | Waskom (Cotton Valley) | Harrison | 1 | 5.36K | 118K | by Jan 1993 – Dec 2003 |
| Bywaters "B" O-6-12591 | Whatley, O.B. Oil Company, Inc. only | Haynes (Mitchell) | Cass | 1 | 5.34K | 21 | by Jan 1993 – Aug 1998 |
| Copeland-Mitchell 'L' O-8-31904 | Delta Oil & Gas Ltd. only | Caddo (Conglomerate) | Stephens | 1 | 5.24K | 13.3K | Feb 2015 – Aug 2026 |
| Carter, R. L. G-9-177129 | O'Dell, Mitchell only | Millersview, W. (Cross Cut SD) | Concho | 1 | 5.22K | 189K | May 2000 – Aug 2026 |
| SMS -181- O-8-28205 | Mitchell Energy Corporation only | Swenson (Caddo) | Throckmorton | 1 | 5.14K | 12.1K | Jun 1997 – Feb 1999 |
| Mitchell 11 G-9-217161 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 5.13K | 798K | Feb 2006 – Aug 2026 |
| Mitchell, Rosa L. G-10-94682 | White Rock Oil & Gas, LLC only | Puckett (Ellenburger) | Pecos | 1 | 5.12K | 43.6M | by Jan 1993 – Aug 2026 |
| The Philip Jenkins G-14-177865 | Mitchell Ehrlich Oil & Gas, LLC only | Shirley (Chester) | Hutchinson | 1 | 5.09K | 131K | Jun 2000 – Mar 2002 |
| Mitchell 4 G-9-149452 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 5.09K | 775K | Mar 1994 – Aug 2026 |
| Mitchell 68 G-9-142934 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 5.07K | 2.39M | by Jan 1993 – Aug 2026 |
| Copeland-Mitchell "L" O-8-23452 | Delta Oil & Gas Ltd. only | Stephens County Regular | Stephens | 1 | 5.02K | 48.3K | by Jan 1993 – Jan 2015 |
| Mitchell O-14-3097 | EOG Resources, Inc. only | Peery (Cleveland) | Lipscomb | 2 | 5.02K | 4.43K | by Jan 1993 – Nov 1999 |
| Copeland-Mitchell "K" O-8-23086 | Delta Oil & Gas Ltd. only | Cimarron (Conglomerate) | Stephens | 1 | 4.99K | 113K | by Jan 1993 – Feb 2022 |
| Mitchell-Baldinger G-13-264852 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 4.91K | 1.56M | Jan 2012 – Aug 2026 |
| Smith -YY- O-14-8488 | Mitchell Ehrlich Oil & Gas, LLC only | Perryton, N. E. (Marmaton) | Ochiltree | 1 | 4.88K | 4.04K | Nov 2011 – Dec 2017 |
| Pinehurst O-3-23225 | Mitchell Energy Corporation only | Pinehurst (Middle Wilcox) | Montgomery | 1 | 4.87K | 63.1K | Jul 1996 – Nov 1998 |
| Gordon, Tulane G-3-171535 | Mitchell Energy Company L.P. only | Frelsburg (Z-20) | Colorado | 1 | 4.85K | 143K | Dec 1998 – Jan 2001 |
| Dierschke O-9-15148 | O'Dell, Mitchell only | Low & Behold (Crosscut 1) | Concho | 1 | 4.84K | 2.18K | Jan 2001 – Aug 2026 |
| McMurrey-Mitchell Unit G-8-137585 | Kornye-Tillman Company only | Big Hole (Atoka "C") | Palo Pinto | 1 | 4.84K | 608K | by Jan 1993 – Aug 2026 |
| Lackey, Mark W. O-5-3711 | Mitchell Energy Company L.P. only | Alabama Ferry (Woodbine-Dexter) | Leon | 1 | 4.72K | 1.89K | Sep 2000 – Mar 2001 |
| Bemis, J. R. No. 20 O-6-12592 | Whatley, O.B. Oil Company, Inc. only | Haynes (Mitchell) | Cass | 1 | 4.68K | 21 | by Jan 1993 – Mar 2004 |
| Wooster O-14-9082 | Mitchell Ehrlich Oil & Gas, LLC only | Perryton, West (Marmaton) | Ochiltree | 1 | 4.68K | 0 | Jul 2013 – Sep 2016 |