| Chapman A. -B- NCT-3 O-14-2686 | Diamond S Energy Company only | Panhandle Gray County Field | Gray | 10 | 75.3K | 18.2K | by Jan 1993 – Aug 2026 |
| Sarita Field Oil & Gas Unit O-4-6091 | Exxon Mobil Corporation only | Sarita ( 9-B) | Kenedy | 2 | 75.3K | 70.9K | by Jan 1993 – Dec 2004 |
| Church-Claud Holder G-6-291955 | Buckhorn Operating LLC only | Brachfield, S.E. (Cotton Valley) | Panola | 1 | 75.2K | 3.49M | Sep 2021 – Aug 2026 |
| State Tract 74 O-3-22226 | Fieldwood Onshore LLC only | Umbrella Point (F-10) | Chambers | 1 | 75.2K | 126K | Dec 1993 – Nov 2008 |
| Fields Waterflood Unit O-13-28508 | Bonfire Operating LLC only | Clay County Regular | Clay | 6 | 75.2K | 112K | Feb 1993 – Jun 2025 |
| Hill O-14-2469 | Red Line Company, Ltd. only | Panhandle Carson County Field | Carson | 4 | 74.9K | 265K | by Jan 1993 – Aug 2026 |
| Vicars, J. F. O-14-557 | OL' Boys Operations LLC only | Panhandle Gray County Field | Gray | 15 | 74.9K | 173K | by Jan 1993 – Aug 2026 |
| Hodge, E. J. O-3-2147 | Neches Transport Inc. only | Hillister, E. (Cockfield Fifth) | Tyler | 3 | 74.7K | 83 | by Jan 1993 – Aug 2026 |
| First National Bank O-3-23014 | Sue-Ann Operating, L.C. only | Midfields (Betts, L.) | Matagorda | 2 | 74.5K | 98.5K | Jul 1996 – Mar 2003 |
| University -36- O-10-32759 | Oilfield Management, Inc. (A) only | Hutex (Devonian) | Andrews | 1 | 74.4K | 29.8K | by Jan 1993 – Feb 2000 |
| JB O-3-21382 | Northfield Enterprises, Inc. only | Kurten (Buda) | Brazos | 1 | 74.3K | 62.3K | by Jan 1993 – Jun 2022 |
| O'Brien O-14-4065 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 4 | 74.2K | 87.2K | by Jan 1993 – Aug 2026 |
| Harrah, W. W. O-14-564 | Large Operating LLC only | Panhandle Gray County Field | Gray | 13 | 74.2K | 214K | by Jan 1993 – Jul 2026 |
| Norwood Heirs-Lafleur Unit B O-3-25316 | Orangefield Operating Corporatio only | Orange (5400) | Orange | 1 | 74.2K | 9.25K | Oct 2007 – Jan 2018 |
| Sneed O-14-6843 | Lasater & Co, Inc. only | Panhandle Moore County Field | Moore | 2 | 74.2K | 282K | by Jan 1993 – Aug 2026 |
| McAllen Fieldwide Unit G-4-178287 | Merit Energy Company only | McAllen-Pharr (Consolidated) | Hidalgo | 1 | 74K | 8.52M | Jul 2000 – Aug 2026 |
| Mayfield-Alford O-7-8641 | Linder, John Operating Co., LLC only | East Texas | Rusk | 2 | 73.9K | 1.82K | by Jan 1993 – Aug 2026 |
| Morse, J. S. -A- O-14-437 | Rio Petroleum, Inc. only | Panhandle Gray County Field | Gray | 5 | 73.8K | 130K | by Jan 1993 – Aug 2026 |
| Chapman, A. -a- NCT-1 O-14-1532 | Diamond S Energy Company only | Panhandle Gray County Field | Gray | 3 | 73.8K | 67.2K | by Jan 1993 – Aug 2026 |
| Jordan, D. O-14-120 | Red Line Company, Ltd. only | Panhandle Carson County Field | Carson | 22 | 73.7K | 111K | by Jan 1993 – Aug 2026 |
| Fielding Unit O-11-68446 | Rogers, S. K. Oil, Inc. only | Hamilton (Wolfcamp) | Hockley | 1 | 73.6K | 7.33K | Jun 2002 – Jul 2021 |
| Morse -B- O-14-187 | Bradley Operating Co. only | Panhandle Gray County Field | Gray | 6 | 73.5K | 2.73K | by Jan 1993 – Aug 2026 |
| Siercovich, et al Unit O-3-23537 | Orangefield East Corp only | Franks (Schenck Sand) | Galveston | 1 | 73.5K | 39K | Jun 1998 – Aug 2026 |
| Pringey, L. H. O-13-15937 | Jones, L. E. Operating, Inc. only | Cosefield, S. (Canyon D) | Cooke | 1 | 73.4K | 36 | by Jan 1993 – Jul 2026 |
| Pomona-Walker O-14-1406 | PNG Production, LLC only | Panhandle Wheeler County Field | Wheeler | 7 | 73.2K | 276K | by Jan 1993 – Aug 2026 |
| Fields Unit G-2-272432 | EOG Resources, Inc. only | De Witt (Eagle Ford Shale) | De Witt | 1 | 73.1K | 834K | Feb 2014 – Aug 2024 |
| Bull, Bruce O-14-282 | Pantera Energy Company only | Panhandle Gray County Field | Gray | 5 | 73K | 102K | by Jan 1993 – Aug 2026 |
| Matagorda Island 519-L Gas Unit G-3-109101 | Fieldwood Energy LLC only | Matagorda Isl. BLK 519-L (15600) | Matgrda IS-LB | 1 | 72.7K | 71.1M | by Jan 1993 – Apr 2014 |
| Birdwell O-6-12475 | JHS Oilfield Services LLC only | Waskom (Rodessa 4800) | Harrison | 1 | 72.4K | 84.1K | by Jan 1993 – Aug 2026 |
| Persimmon Creek "F" O-3-21343 | Northfield Enterprises, Inc. only | Kurten (Buda) | Robertson | 2 | 72K | 20.9K | by Jan 1993 – Jul 2010 |
| Fielder O-3-25044 | Aspect Energy, LLC only | Stowell (Sullivan) | Jefferson | 1 | 71.9K | 201K | Apr 2007 – Apr 2012 |
| Waterfield "C" G-14-266624 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 71.9K | 1.26M | Sep 2011 – Aug 2026 |
| McConnell, Girtha O-14-137 | Red Line Company, Ltd. only | Panhandle Carson County Field | Carson | 8 | 71.7K | 322K | by Jan 1993 – Aug 2026 |
| Mills, Nona Field Unit O-3-3202 | Western Energy Group, LLC only | Nona Mills | Hardin | 14 | 71.7K | 67.7K | Sep 1998 – Mar 2020 |
| Fielder 34 O-11-70006 | SDX Resources, Inc. only | Deroen (Mississippian) | Dawson | 1 | 71.1K | 30.8K | Jan 2013 – Jul 2026 |
| Holmes, A. O-14-309 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 1 | 70.9K | 177 | by Jan 1993 – Aug 2026 |
| Pegasus Field Unit #3 G-9-146659 | XTO Energy Inc. only | Pegasus (Devonian) | Midland | 1 | 70.2K | 1.1M | Aug 1993 – Oct 1994 |
| Stovall G-3-244794 | Traton Operating Company only | Midfields,west (-E-) | Matagorda | 1 | 70K | 470K | Apr 2008 – May 2012 |
| Waterfield, J.B. O-14-9188 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 69.7K | 780K | Apr 2014 – Aug 2026 |
| Treadaway Unit O-11-63653 | Vanguard Operating, LLC only | Brownfield, S. (Fusselman) | Terry | 1 | 69.6K | 2.36K | by Jan 1993 – Apr 2009 |
| Coffield -A- O-10-31062 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 69.5K | 281K | by Jan 1993 – Feb 2023 |
| Parker, James E. & H. T. O-14-2009 | Helton Petroleum only | Panhandle Gray County Field | Gray | 1 | 69.2K | 95 | by Jan 1993 – Jul 2026 |
| Fletcher-Curry O-10-36649 | Endeavor Energy Resources L.P. only | Warfield, E. (Devonian) | Midland | 1 | 68.9K | 992K | Mar 2001 – Feb 2016 |
| Waterfield 'C' G-14-276493 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 68.9K | 1.38M | Sep 2014 – Aug 2026 |
| Jenney O-14-3981 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 10 | 68.9K | 35.9K | by Jan 1993 – Aug 2026 |
| Barrett O-14-253 | Oilwell Operators, Inc. only | Panhandle Gray County Field | Gray | 4 | 68.8K | 310K | by Jan 1993 – Aug 2026 |
| Archer, W. C. O-14-568 | Exxcel Production Company only | Panhandle Gray County Field | Gray | 12 | 68.3K | 487K | by Jan 1993 – Aug 2026 |
| Faulkner, Siler O-14-390 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 10 | 68.1K | 132K | by Jan 1993 – Aug 2026 |
| Ware, R. C., Etal O-14-49 | Bce-Mach III LLC only | Panhandle Carson County Field | Carson | 53 | 68.1K | 353K | by Jan 1993 – Jul 2022 |
| Castleberry, W. N. O-14-686 | Exxcel Production Company only | Panhandle Gray County Field | Gray | 6 | 67.9K | 53.7K | by Jan 1993 – Aug 2026 |