| Morgans Bluff Hackberry Unit O-3-20480 | Olipdp II, LLC | Morgan Bluff (Hackberry) | 19 | 6.14M | 10.5M | Jan 1993 – Apr 2026 |
| Polk, J. V. -B- O/A O-3-3415 | Torrent Oil LLC | Port Neches | 22 | 1.21M | 318K | Jan 1993 – Feb 2026 |
| Stark, W. H. -B- O-3-3417 | Torrent Oil LLC | Port Neches | 27 | 960K | 325K | Jan 1993 – Feb 2026 |
| Rose City South Unit O-3-19237 | Brown, Geo. R Partnership,lp,the | Rose City, South | 13 | 779K | 847K | Jan 1993 – Nov 2002 |
| Port of Orange - Riverside O-3-26701 | Olipdp II, LLC | South Phoenix Lake (Hackberry) | 1 | 760K | 2.54M | Jul 2014 – Apr 2026 |
| SW Riverside Unit O-3-27002 | Olipdp II, LLC | Southwest Riverside (Hackberry) | 1 | 678K | 1.47M | Jun 2014 – Apr 2026 |
| Dupont O-3-25829 | Olipdp II, LLC | Dupont (Mid Hackberry) | 2 | 675K | 2.55M | Apr 2011 – Apr 2026 |
| Port of Orange-Brown O-3-25047 | Olipdp II, LLC | South Phoenix Lake (Hackberry) | 1 | 616K | 2.25M | Sep 2006 – Apr 2026 |
| Dupont O-3-26077 | Olipdp II, LLC | Dupont, East (Mid Hackberry) | 1 | 613K | 1.68M | Apr 2011 – Apr 2026 |
| Port of Orange-Stark Foundation O-3-25002 | Olipdp II, LLC | Adams Bayou (Hackberry) | 1 | 566K | 1.2M | Sep 2006 – Apr 2026 |
| Burnt Orange O-3-24448 | Dartex Energy Corporation | Orange | 5 | 467K | 20 | May 2003 – Nov 2018 |
| Alexander No. 2 Oil Unit O-3-25662 | Hilcorp Energy Company | Maple Gap (EY1) | 1 | 324K | 547K | Aug 2010 – Apr 2026 |
| Alexander No. 3 Oil Unit O-3-26259 | Hilcorp Energy Company | Maple Gap (EY1) | 1 | 320K | 493K | Oct 2012 – Apr 2026 |
| Stark O-3-24494 | Kodiak Oil & Gas, Inc. | Port Neches | 8 | 318K | 0 | Jan 2004 – Apr 2026 |
| Port Neches (Marg. Area 1) O-3-22096 | Torrent Oil LLC | Port Neches (Marg Area 1) | 14 | 278K | 71K | Sep 1993 – Sep 2017 |
| Kuhn, H. J. -Tract #1 O-3-3411 | Torrent Oil LLC | Port Neches | 11 | 240K | 61.4K | Jan 1993 – Jan 2026 |
| Rose City North Unit O-3-14275 | Brown, Geo. R Partnership,lp,the | Rose City, North | 13 | 240K | 378K | Jan 1993 – Nov 2002 |
| Hager, Gulf Lee Fee O-3-3261 | Orangefield East Corp | Orange | 27 | 216K | 29 | Jan 1993 – Apr 2026 |
| LB A-724 O-3-26017 | Hilcorp Energy Company | Maple Gap (EY1) | 1 | 205K | 262K | Jun 2012 – Apr 2022 |
| Gulf Fee O-3-3228 | Orangefield Operating Corporatio | Orange | 16 | 200K | 32.8K | Jan 1993 – Oct 2025 |
| Kuhn, H. J. -Tract #2 O-3-3412 | Torrent Oil LLC | Port Neches | 15 | 192K | 88.5K | Jan 1993 – Feb 2017 |
| BP America 'A-101' O-3-24979 | Upstream Exploration LLC | Adams Ranch, W.(nodosaria 2ND) | 1 | 191K | 127K | Dec 2006 – Aug 2017 |
| Moore, Lutcher O-3-3246 | Kilmarnock Oil Company, Inc. | Orange | 8 | 170K | 21 | Jan 1993 – Apr 2026 |
| Sampson-Clark Gas Unit O-3-21651 | Hilcorp Energy Company | Vidor Ames (Hartburg) | 1 | 167K | 514K | Jan 1993 – May 2012 |
| Winfree, William O-3-3286 | Kilmarnock Oil Company, Inc. | Orange | 5 | 154K | 21 | Jan 1993 – Apr 2026 |
| Gordon, W. D. O-3-3251 | Kilmarnock Oil Company, Inc. | Orange | 6 | 151K | 21 | Jan 1993 – Apr 2026 |
| Winfree O-3-3253 | Kilmarnock Oil Company, Inc. | Orange | 5 | 131K | 21 | Jan 1993 – Apr 2026 |
| Sun Oil Company, Etal O-3-3232 | Orangefield Operating Corporatio | Orange | 10 | 129K | 13.6K | Jan 1993 – Oct 2025 |
| Port of Orange-Riverside O-3-25746 | XTO Energy Inc. | Phoenix Lake (Hackberry 10,530) | 1 | 127K | 561K | Aug 2011 – Jul 2014 |
| Miller-Vidor Properties O-3-21538 | Petex | Pine Forest (Walton Sand) | 1 | 117K | 132K | Jan 1993 – Apr 2026 |
| Polk-Kuhn-Glass O-3-3414 | Torrent Oil LLC | Port Neches | 7 | 112K | 38.4K | Jan 1993 – Jun 2007 |
| Donner Gas Unit O-3-25236 | Forza Operating, LLC | Doty, E. (Nodosaria 7930) | 1 | 110K | 191K | Jul 2008 – Aug 2013 |
| McLean, Marrs "A" O-3-15296 | Kilmarnock Oil Company, Inc. | Orange | 6 | 110K | 21 | Jan 1993 – Apr 2026 |
| Federal Royalty O-3-3278 | Kilmarnock Oil Company, Inc. | Orange | 6 | 108K | 21 | Jan 1993 – Apr 2026 |
| Polk, J. V. -a- NCT-1 O-3-3416 | Torrent Oil LLC | Port Neches | 18 | 107K | 54K | Jan 1993 – Dec 2025 |
| Donda O-3-24737 | 84 Energy LLC | Boise (Frio 9600) | 1 | 106K | 18.6K | Mar 2005 – Jul 2025 |
| Cow Bayou State -A- O-3-3277 | Kilmarnock Oil Company, Inc. | Orange | 6 | 99.9K | 21 | Jan 1993 – Apr 2026 |
| Corbello -A- O-3-3243 | Kilmarnock Oil Company, Inc. | Orange | 3 | 98.4K | 21 | Jan 1993 – Apr 2026 |
| Stark Foundation O-3-18109 | McGowan Working Partners, Inc. | Shannon, N. (Nodosaria) | 1 | 98.3K | 1.02M | Jan 1993 – Jun 2006 |
| Chesson -C- O-3-3276 | Kilmarnock Oil Company, Inc. | Orange | 5 | 91.5K | 21 | Jan 1993 – Apr 2026 |
| Peveto, F.T. "B" O-3-3230 | Orangefield Operating Corporatio | Orange | 13 | 89.7K | 338 | Jan 1993 – Oct 2025 |
| Paraffine O-3-3283 | Kilmarnock Oil Company, Inc. | Orange | 2 | 88.7K | 21 | Jan 1993 – Apr 2026 |
| Manuel, Carl H. et Al O-3-22603 | Tri-C Resources, Inc. | Bobcat Run (7800 Falwell) | 1 | 81.1K | 507K | Nov 1994 – Aug 1998 |
| Brown, E. W. O-3-3322 | Houston Oil Prod Enterprises,inc | Phoenix Lake | 1 | 78.2K | 398 | Jan 1993 – Apr 2026 |
| Michel -B- O-3-11047 | Orangefield Operating Corporatio | Orange | 3 | 77K | 29 | Jan 1993 – Aug 2023 |
| Fitzhugh et Al O-3-25072 | Olipdp II, LLC | Morgan Bluff (Hackberry) | 1 | 76.2K | 1.19M | Jul 2007 – Apr 2026 |
| Norwood Heirs-Lafleur Unit B O-3-25316 | Orangefield Operating Corporatio | Orange (5400) | 1 | 74.2K | 9.25K | Oct 2007 – Jan 2018 |
| McGuire, Adelia O-3-3287 | Kilmarnock Oil Company, Inc. | Orange | 3 | 68.3K | 21 | Jan 1993 – Apr 2026 |
| Norwood Heirs-Lafleur Unit O-3-25368 | Orangefield Operating Corporatio | Orange (5400) | 1 | 66.5K | 21.2K | Oct 2008 – Aug 2025 |
| Koster-Vastar O-3-24435 | Hilcorp Energy Company | Red Line (Hartburg, Upper) | 1 | 62K | 30.2K | Sep 2003 – Dec 2019 |