| McAllen Fieldwide Unit G-4-163912 | Merit Energy Company only | McAllen-Pharr (Consolidated) | Hidalgo | 1 | 47.1K | 9.5M | Nov 1996 – Aug 2026 |
| Waterfield 112 G-14-270445 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 46.8K | 1.05M | Aug 2012 – Aug 2026 |
| Crawar Field Unit O-10-51283 | Pitts Energy Co. only | Crawar (San Andres Cons.) | Ward | 7 | 46.7K | 70.1K | Feb 2019 – Aug 2026 |
| RB Powell O-14-7008 | J. W. Resources Inc. only | Panhandle Moore County Field | Moore | 6 | 46.6K | 205K | Jan 1995 – Jun 2026 |
| Langham O-14-5423 | Oilwell Operators, Inc. only | Panhandle Gray County Field | Gray | 5 | 46.6K | 572K | by Jan 1993 – Aug 2026 |
| Magic O-14-5585 | Large Operating LLC only | Panhandle Carson County Field | Carson | 3 | 46.5K | 122K | by Jan 1993 – Jun 2022 |
| Sarita Field Oil & Gas Unit O-4-12733 | Exxon Mobil Corporation only | Sarita ( 5-D) | Kenedy | 2 | 46.4K | 49.1K | Mar 1998 – Oct 2005 |
| Burnett -A- O-14-100 | Borger Resources 3 LLC only | Panhandle Carson County Field | Carson | 6 | 46.3K | 901K | by Jan 1993 – Aug 2026 |
| Boney, T. J. NCT-1 O-14-1799 | Large Operating LLC only | Panhandle Carson County Field | Carson | 17 | 46.1K | 41.9K | by Jan 1993 – Dec 2021 |
| Sarita Field O&G Unit G-4-255423 | Hilcorp Energy Company only | Sarita Shallow (Mio-Frio Cons.) | Kenedy | 1 | 46.1K | 1.2M | Dec 2009 – Mar 2026 |
| Pharr Fieldwide Unit G-4-257975 | Merit Energy Company only | McAllen-Pharr (Consolidated) | Hidalgo | 1 | 45.9K | 4.12M | May 2010 – Aug 2026 |
| Webb -a- Battery #5 O-14-1718 | Red Line Company, Ltd. only | Panhandle Gray County Field | Gray | 6 | 45.8K | 46.9K | by Jan 1993 – Aug 2026 |
| Bogan O-14-3843 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 11 | 45.7K | 65.5K | by Jan 1993 – Aug 2026 |
| Boren "A" O-11-14276 | BBS Oil Field Services Inc only | Post (Glorieta) | Garza | 6 | 45.6K | 324 | by Jan 1993 – Jul 2026 |
| Egbert O-13-728 | Sissom Oil Field Services, LLC only | Archer County Regular | Archer | 1 | 45.6K | 290 | by Jan 1993 – Aug 2026 |
| Bobcat Bottoms Ranch BB O-3-26104 | Northfield Enterprises, Inc. only | Giddings (Buda) | Robertson | 1 | 45.4K | 10.7K | Dec 2011 – Aug 2026 |
| State Tract 98 G-3-167542 | Newfield Exploration Company only | Umbrella Point, W. (Lox B) | Chambers | 1 | 45.4K | 7.12M | Sep 1997 – Mar 2003 |
| Amacker O-9-9581 | Oilfield Management, Inc. (A) only | Amacker-Tippett, SW (Wolfcamp) | Upton | 1 | 45.4K | 120K | by Jan 1993 – May 2012 |
| Jones-Westerfield 4002 O-8-29671 | Heights Energy Corporation only | Hodne's Hill (Penn) | Nolan | 1 | 45.3K | 9.39K | Feb 2006 – Feb 2015 |
| Christopher #3 O-3-22153 | Northfield Enterprises, Inc. only | Caldwell, NE (Georgetown) | Brazos | 1 | 45.2K | 51.4K | May 1993 – Nov 2000 |
| Hardy, Rufus -B- O-3-24052 | Enhanced Energy Partners Corp only | Raccoon Bend (Cockfield Lower) | Waller | 2 | 45.2K | 165 | Nov 2005 – Jul 2023 |
| Spring Valley Ranch "L" O-3-24769 | Northfield Enterprises, Inc. only | Giddings (Austin Chalk-3) | Robertson | 1 | 45.1K | 8.3K | Aug 2005 – Jun 2006 |
| Pegasus Field Unit #3 G-9-145840 | XTO Energy Inc. only | Pegasus (Devonian) | Upton | 1 | 45K | 921K | Jun 1993 – Oct 1994 |
| Bird, Beulah "A" O-11-64226 | BBS Oil Field Services Inc only | Post (Glorieta) | Garza | 4 | 45K | 333 | by Jan 1993 – Jul 2026 |
| Perkins O-14-3979 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 6 | 44.9K | 580K | by Jan 1993 – Aug 2026 |
| Brockreid O-13-29716 | Sissom Oil Field Services, LLC only | Goetze (Gunsight) | Wichita | 9 | 44.8K | 0 | Dec 1999 – Aug 2026 |
| Jones Ranch 10 O-11-68667 | Formation Resour Field Svcs, LLC only | Block a-7 (Devonian) | Gaines | 1 | 44.8K | 3.57K | Jan 2004 – Aug 2008 |
| Derosa-Saunders O-14-522 | Red Line Company, Ltd. only | Panhandle Gray County Field | Gray | 3 | 44.8K | 265 | by Jan 1993 – Aug 2026 |
| McConnell, J. C. O-14-6668 | S & W Oil & Gas, LLC only | Panhandle Carson County Field | Carson | 3 | 44.8K | 235K | by Jan 1993 – Aug 2026 |
| Coffield -E- O-3-10227 | Rusk Energy Operating LLC only | Chriesman | Burleson | 3 | 44.7K | 128K | by Jan 1993 – Aug 2026 |
| Vaniman, F. A. O-14-567 | Red Line Company, Ltd. only | Panhandle Gray County Field | Gray | 6 | 44.7K | 245K | by Jan 1993 – Aug 2026 |
| Parks Field Unit No. 2 G-10-242954 | XTO Energy Inc. only | Parks (Devonian) | Midland | 1 | 44.7K | 1.5M | Aug 2008 – Jan 2026 |
| Douglas O-14-35 | S & W Oil & Gas, LLC only | Panhandle Carson County Field | Carson | 4 | 44.4K | 127K | by Jan 1993 – Aug 2026 |
| Binkley, M. M. Estate O-14-1433 | Top O'Texas Energy, L.P. only | Panhandle Wheeler County Field | Wheeler | 6 | 44.4K | 39 | by Jan 1993 – Aug 2026 |
| Sammons -A- O-14-1653 | Lionheart Energy Corporation only | Panhandle Wheeler County Field | Wheeler | 2 | 44.4K | 6.61K | by Jan 1993 – Aug 2026 |
| Sneed O-14-5870 | Kodiak Operating, LLC only | Panhandle Moore County Field | Moore | 10 | 44.3K | 1.45M | by Jan 1993 – Aug 2026 |
| Morton O-14-6380 | Burk Royalty Co., Ltd. only | Panhandle Moore County Field | Moore | 6 | 44.2K | 102K | by Jan 1993 – Mar 2002 |
| Sarita Field Oil & Gas Unit O-4-6964 | Exxon Mobil Corporation only | Sarita ( 5-G & H, E) | Kenedy | 4 | 44.2K | 64.2K | by Jan 1993 – Aug 2004 |
| Taylor Estate, Etal O-13-1551 | Muirfield Exploration, Ltd. only | Clay County Regular | Clay | 22 | 44.1K | 61 | by Jan 1993 – Aug 2026 |
| Keystone Ranch -A- O-1-5204 | Oilfield Cleantech Water Rec LLC only | Pearsall (Austin Chalk) | Frio | 5 | 44.1K | 413K | by Jan 1993 – Mar 2015 |
| Hunter O-14-2007 | S & W Oil & Gas, LLC only | Panhandle Carson County Field | Carson | 4 | 44.1K | 335K | by Jan 1993 – Aug 2026 |
| McAllen Fieldwide Unit G-4-195267 | Merit Energy Company only | McAllen-Pharr (Consolidated) | Hidalgo | 1 | 44K | 3.49M | Aug 2002 – Aug 2005 |
| University H O-10-34745 | Oilfield Management, Inc. (A) only | Hutex, N. (Wolfcamp) | Andrews | 1 | 44K | 213K | Nov 1995 – Oct 2006 |
| Garner -A- O-14-146 | Black's Oil & Gas only | Panhandle Carson County Field | Carson | 8 | 44K | 112K | by Jan 1993 – Jul 2026 |
| Smith, Nanie O-3-11454 | Orangefield Operating Corporatio only | Orange | Orange | 3 | 43.9K | 29 | by Jan 1993 – Jun 2025 |
| East, Mrs. S.K. "B" G-4-222804 | Newfield Exploration Company only | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 43.9K | 6.61M | Sep 2006 – Feb 2011 |
| McAllen Fieldwide Unit G-4-244843 | Merit Energy Company only | McAllen-Pharr (Consolidated) | Hidalgo | 1 | 43.8K | 6.16M | Nov 2008 – Aug 2026 |
| N. Padre Island 883L/899L Unit G-4-180199 | Fieldwood Energy LLC only | Npi 883-L (Frio Sand) | N Padre IS-LB | 1 | 43.7K | 6.81M | Oct 2000 – Sep 2012 |
| Fieldon O-6-12729 | Southwest Operating, Inc.-Tyler only | Pittsburg (Sub-Clarksville -B-) | Camp | 1 | 43.6K | 2.34K | by Jan 1993 – Sep 2025 |
| Phillips O-14-1403 | Top O'Texas Energy, L.P. only | Panhandle Wheeler County Field | Wheeler | 4 | 43.5K | 28 | by Jan 1993 – Aug 2026 |