| Seeligson Unit O-4-6280 | Sue-Ann Operating, L.C. | Seeligson (Combined Zones) | 200 | 1.3M | 6.67M | Jan 1993 – Apr 2026 |
| Wardner, G.P. O-4-12618 | Urban Oil & Gas Group, LLC | Stratton (Consolidated) | 52 | 855K | 6.61M | May 1996 – Apr 2026 |
| Borregos, K. R. & Seeligson O-4-6544 | EOG Resources, Inc. | Borregos (Combined Zones) | 197 | 550K | 3.47M | Jan 1993 – Feb 2024 |
| Seeligson Unit O-4-12564 | Sue-Ann Operating, L.C. | Seeligson (Consolidated) | 3 | 259K | 775K | May 1996 – Apr 2026 |
| Morgan, Rand O-4-12662 | Wyatt Energy, LLC | Rand Morgan (5350) | 1 | 187K | 223K | Mar 1997 – Sep 2013 |
| Adams O-4-11573 | Trailblazer Oil & Gas LLC | Magnolia City, N. (Marg-Logan) | 4 | 143K | 85.6K | Jan 1993 – Jan 2016 |
| Blundell, F. L. O-4-10153 | Sun Exploration, Inc. | Captain Lucey (5970 Sand) | 1 | 125K | 37.8K | Jan 1993 – Apr 2026 |
| Bernsen, Leon O-4-8393 | Sun Exploration, Inc. | Bernsen (Alice 5000) | 3 | 107K | 20.6K | Jan 1993 – Mar 2026 |
| King Ranch West Borregos O-4-8241 | Exxon Mobil Corporation | Elpar (F-07, E) | 16 | 107K | 2.47M | Jan 1993 – Feb 2001 |
| Roger Hoffman G U "A" O-4-13283 | Urban Oil & Gas Group, LLC | Ben Bolt (5950) | 2 | 102K | 503K | Jan 2005 – Apr 2026 |
| Canales, A. T. O-4-12826 | Forest Oil Corporation | T.-C.-B. (LWR Frio-UP Vxbg) | 2 | 90.2K | 494K | Mar 1999 – Jun 2011 |
| Seeligson, A.A. "A" O-4-10334 | Chandler Oil & Gas, LLC | Premont (Barnsdall Sand) | 2 | 89.3K | 72 | Jan 1993 – Jul 2023 |
| Isham O-4-2222 | Eliteenergyholdings LLC | Premont (McCartney Sand) | 2 | 87.7K | 72 | Jan 1993 – Apr 2026 |
| Blucher, C.F.H. "B" O-4-14242 | Logas Energy, LLC | T-C-B (Vxbg Consolidated) | 1 | 82.5K | 0 | Jan 2024 – Apr 2026 |
| Seeligson, A. A. O-4-2795 | Mobil Producing TX. & N.M. Inc. | Seeligson (Zone 22-5) | 8 | 80.1K | 710K | Jan 1993 – Apr 1996 |
| Canales, P O-4-12365 | Sue-Ann Operating, L.C. | Seeligson (Consolidated) | 8 | 76.7K | 1.14M | Oct 1994 – Apr 2026 |
| Laughlin, C.M. "A" O-4-10349 | Crossroads Petroleum L.L.C. | Premont, NW. (2630) | 2 | 73.7K | 41.6K | Jan 1993 – Oct 2022 |
| Richter, Max O-4-8981 | First Paragon Properties, L.L.C. | Richter (5100) | 1 | 71.5K | 21 | Jan 1993 – Apr 2026 |
| Moore Kimbrough O-4-12607 | Sun Exploration, Inc. | Fred's (5000) | 1 | 69K | 426K | Sep 1996 – Apr 2026 |
| Hoffman, R. "D" G-4-131693 | Ocean Energy, Inc. | Ben Bolt, W. (Yegua, Lo.) | 1 | 67.8K | 1.77M | Jan 1993 – Aug 2001 |
| Perez-Duerkson Unit O-4-10778 | Welderxp Ltd. | Laughlin-Kibbe (5300) | 1 | 65.9K | 71 | Jan 1993 – Sep 2011 |
| Adams O-4-12340 | Trailblazer Oil & Gas LLC | Magnolia City, N. (Seg a 3770) | 2 | 64.1K | 40.8K | May 1994 – Jan 2016 |
| King Ranch Morgan O-4-8039 | Exxon Mobil Corporation | Elpar (F-47) | 4 | 63.2K | 214K | Jan 1993 – Mar 2005 |
| Hoffman, R. GU G-4-143435 | Ocean Energy, Inc. | Ben Bolt, W. (Yegua, Lo.) | 1 | 58K | 1.96M | Jan 1993 – Sep 2002 |
| Steele O-4-11114 | Jetta Operating Company, Inc. | Premont, East (Zone 18-A) | 1 | 53.6K | 32.7K | Jan 1993 – Feb 2019 |
| Barbon-Hendricks O-4-9501 | Guinn Operating Company, LLC | Alfred, West (3170) | 2 | 49.2K | 2.96K | Jan 1993 – Apr 2026 |
| Gafford, H. B. O-4-9728 | Marwell Petroleum Ltd Partnrship | Hobby (F-30) | 1 | 47.8K | 20 | Jan 1993 – Apr 2026 |
| Adams-Houghton O-4-12520 | Trailblazer Oil & Gas LLC | Magnolia City, N. (Marg-Logan) | 2 | 46.7K | 1.88K | Jan 1996 – Feb 2020 |
| Roger Hoffman et al G U G-4-206711 | Urban Oil & Gas Group, LLC | Ben Bolt (Hockley) | 1 | 45.4K | 1.22M | Jul 2004 – Mar 2026 |
| Hendricks O-4-14229 | Cimarron Engineering, LLC | Alice, SE. (Scheel) | 1 | 45.1K | 0 | Jul 2023 – Apr 2026 |
| Seeligson, A. A.-A- O-4-10221 | L.T.D. Explorations Inc. | Premont (Laughlin Sand) | 1 | 45.1K | 72 | Jan 1993 – Apr 2026 |
| Lacey, John O-4-8873 | Guinn Operating Company, LLC | Alfred, West (3170) | 2 | 43.7K | 3.15K | Jan 1993 – Apr 2026 |
| Seeligson, A.A. O-4-12454 | Sue-Ann Operating, L.C. | Seeligson (Consolidated) | 9 | 43.6K | 264K | Apr 1995 – Apr 2026 |
| Hinze O-4-14021 | Yordes Energy, LLC | Quinto Creek (5140) | 1 | 41.6K | 3.84K | Feb 2017 – Aug 2025 |
| Shaeffer Ranch -A- O-4-4407 | Slawson Exploration Company, Inc | Rowena, North (Hockley) | 8 | 41.5K | 1.72M | Jan 1993 – Sep 1995 |
| Shumate & McGill O-4-6450 | H & P Exploration Co. | Tom Graham (3750) | 2 | 37.6K | 28 | Jan 1993 – Aug 2018 |
| Canales, A. T. O-4-9669 | Kerr-McGee Corporation | T-C-B (8025) | 1 | 37.5K | 347K | Jan 1993 – Feb 1999 |
| Canales, A. T. G-4-153978 | Oryx Energy Company | Tijerina-Canales-Blucher ( 8100) | 1 | 35.5K | 343K | Mar 1995 – Jan 1997 |
| King Ranch O-4-12062 | Atasca Resources, Inc. | T.-C.-B. (7380) | 1 | 34.6K | 168K | Jan 1993 – Jan 2003 |
| Canales, A.T. O-4-13655 | Remora Operating, LLC | T-C-B (Vxbg Consolidated) | 2 | 33.9K | 206K | Jul 2011 – Apr 2026 |
| Adams O-4-11899 | Galindo Brothers, Inc. | Magnolia City, N. (Frio 4900) | 2 | 33.7K | 44.4K | Jan 1993 – Apr 2004 |
| Coastal Corp. O-4-13145 | Green Exploration Company | Magnolia City, W. (5400) | 1 | 33.7K | 124K | Mar 2003 – Oct 2017 |
| Canales, A. T. O-4-8461 | Remora Operating, LLC | Zone 21-B Trend (Oil) | 7 | 33.3K | 228K | Jan 1993 – Nov 2016 |
| Canales, A.T. O-4-12656 | Kerr-McGee Corporation | Tijerina-Canales-Blucher ( 8100) | 1 | 33K | 161K | Feb 1997 – Feb 1999 |
| King Ranch Borregos O-4-14127 | EOG Resources, Inc. | Borregos (Combined Zones) | 2 | 31.1K | 47.8K | Nov 2018 – Mar 2024 |
| Boggan Unit No. 1 O-4-13711 | Sandalwood Exploration, L.P. | Magnolia City, N (D-02) | 1 | 30.6K | 897 | Jun 2012 – Sep 2016 |
| Morgan R. Properties G-4-149386 | Munson Operating, Inc. | Rand Morgan (5350) | 1 | 29.3K | 465K | Apr 1994 – Feb 1997 |
| Hoffman, R. "D" G-4-187233 | Devon Energy Production Co, L.P. | Ben Bolt, W. (Yegua, Middle) | 1 | 29K | 1.36M | Aug 2001 – Apr 2008 |
| Jordan O-4-10489 | Ellsworth, H. P. O&G Properties | La Gloria (6500 Stray) | 2 | 28.5K | 135K | Jan 1993 – Jun 2018 |
| Mobil - Arco O-4-11392 | Dewbre Petroleum Corporation | Premont, East (Valentine) | 1 | 28.3K | 24.7K | Jan 1993 – Feb 2003 |