| State Tract 659-L NW/4 O-2-6468 | White Marlin Operating Co, LLC | Matagorda Block 629 (4450 SD) | 3 | 1.76M | 204K | Jan 1993 – Jul 2026 |
| State Lease 629-L SW/4 O-2-6488 | White Marlin Operating Co, LLC | Matagorda Block 629 (4450 SD) | 3 | 1.4M | 255K | Jan 1993 – Jul 2026 |
| S.T. 560-L (SW) Unit O-2-9427 | Hall-Houston Expl. II, L.P. | Matagorda 560-L (7250 Sand) | 1 | 425K | 1.04M | Nov 2008 – Nov 2015 |
| State Tract 562-L O-2-7602 | Tri-Union Development Corp. | Matagorda Block 562-L (6470) | 1 | 212K | 193K | Jan 1993 – Mar 2008 |
| S.T. 560-L (SW) Unit O-2-10406 | Hall-Houston Expl. II, L.P. | Matagorda Block 560-L (6900) | 1 | 192K | 199K | Jul 2012 – Sep 2015 |
| State Tract 630-L, NW/4 O-2-6429 | Fairways Offshore Expl., Inc. | Block 630-L (5200) | 1 | 80.3K | 6 | Jan 1993 – Oct 2010 |
| S.T. 560-L (SW) Unit O-2-9342 | Hall-Houston Expl. II, L.P. | Wildcat | 2 | 75K | 924K | Apr 2008 – Sep 2010 |
| State Tract 563-L O-2-6865 | Tri-Union Development Corp. | Matagorda Block 563-L (6936) | 1 | 70.7K | 158K | Jan 1993 – Mar 2008 |
| State Tract 563 O-2-7970 | Tri-Union Development Corp. | Matagorda Block 563-L (6517) | 1 | 47.7K | 45.3K | May 1994 – Mar 2008 |
| S.T. 560-L (SW) Unit O-2-9415 | Hall-Houston Expl. II, L.P. | Matagorda 560-L (7900 Sand) | 1 | 41.9K | 1.41M | Aug 2008 – Jul 2026 |
| State Tract 563-L O-2-7335 | Tri-Union Development Corp. | Matagorda Block 563-L (6820) | 1 | 28.8K | 48.3K | Jan 1993 – Mar 2008 |
| State Tract 629-L SE/4 O-2-8043 | Fairways Offshore Expl., Inc. | Block 630-L (4950) | 1 | 11.5K | 14.3K | Mar 1995 – Oct 2010 |
| State Tract 629-L, SE/4 O-2-6392 | Fairways Offshore Expl., Inc. | Block 630-L (Catahoula Bar) | 1 | 10.1K | 153K | Jan 1993 – Oct 2010 |
| State Tract 631L O-2-9096 | Hunt Petroleum (Aec), Inc. | MI 631L (Rob. L21) | 1 | 4.37K | 85.7K | Jul 2006 – May 2007 |
| State Tract 659-L NW/4 O-2-6498 | White Marlin Operating Co, LLC | Matagorda Block 629 (Playa C) | 1 | 1.55K | 0 | Jan 1993 – Jul 2026 |
| State Tract 562-L G-2-115596 | Tri-Union Development Corp. | Matagorda Block 562-L (6300) | 1 | 0 | 0 | Jan 1993 – Mar 2007 |
| State Tract 563-L G-2-114520 | Reunion Energy Company | Matagorda Block 563-L (6517) | 1 | 0 | 127K | Jan 1993 – Apr 1994 |
| State Tract 596-L NE/4 G-2-104886 | American Coastal Energy, Inc. | Sherman Offshore, SW. (3900 | 1 | 0 | 0 | Jan 1993 – May 2008 |
| State Tract 563-L G-2-113813 | Tri-Union Development Corp. | Matagorda Block 563-L (5110) | 1 | 0 | 72.5K | Jan 1993 – Mar 2007 |
| State Tract 563-L G-2-111601 | Tri-Union Development Corp. | Matagorda Block 563-L (5110) | 1 | 0 | 0 | Jan 1993 – Mar 2007 |
| State Tract 596-L NE/4 G-2-104885 | American Coastal Energy, Inc. | Sherman Offshore, SW. (2950) | 1 | 0 | 478K | Jan 1993 – May 2008 |
| State Tract 596-L NE/4 G-2-79121 | Gulf Energy Exploration Corp. | Sherman Offshore, SW. (3950) | 1 | 0 | 11.8K | Jan 1993 – Oct 2009 |
| State Tract 631L G-2-226392 | XTO Offshore Inc. | MI 631L (Rob. L21) | 1 | 0 | 279K | Nov 2006 – Jul 2010 |
| State Tract 562-L G-2-240058 | Hall-Houston Expl. II, L.P. | Lady, East (2250) | 1 | 0 | 2.13M | Jan 2007 – Jul 2011 |
| S.T. 594-L (SE) Unit G-2-254937 | Hall-Houston Expl. II, L.P. | Matagorda BLK 594-L (2600) | 1 | 0 | 432K | Apr 2008 – Apr 2015 |
| S.T. 594-L (SE) Unit G-2-255237 | Hall-Houston Expl. II, L.P. | Matagorda BLK 594-L (2300) | 1 | 0 | 3.95M | Mar 2008 – Apr 2015 |
| State Tract 596-L NE/4 G-2-255449 | Gulf Energy Exploration Corp. | Sherman Offshore (1700) | 1 | 0 | 268K | Oct 2009 – Jul 2026 |
| S. T. 625-L G-2-265193 | Great Bay Operations, LLC | Wildcat | 1 | 0 | 0 | Nov 2010 – Aug 2015 |
| S.T. 594-L (SE) Unit G-2-267961 | Hall-Houston Expl. II, L.P. | Matagorda BLK 594-L (2400) | 1 | 0 | 1.37M | Sep 2011 – Apr 2015 |
| S.T. 594-L (SE) Unit G-2-279169 | Hall-Houston Expl. II, L.P. | Matagorda BLK 594-L (2100) | 1 | 0 | 1.08M | Jan 2014 – Jul 2015 |
| S. T. 560-L S/2 NW/4 G-2-225756 | Hall-Houston Expl. II, L.P. | Wildcat | 1 | 0 | 232K | Aug 2006 – Nov 2010 |
| State Tract 631-L G-2-204066 | Hunt Petroleum (Aec), Inc. | MI 631L (Siph. D Sand) | 1 | 0 | 1.43M | Mar 2003 – Jul 2006 |
| State Tract 659-L NW/4 G-2-106163 | Fairways Offshore Expl., Inc. | Six-Sixty (4400) | 1 | 0 | 0 | Jan 1993 – Jul 2010 |
| State Tract 632-L G-2-197468 | Hunt Petroleum (Aec), Inc. | MI 632 (Miocene 2X) | 1 | 0 | 1.55M | Feb 2003 – May 2007 |
| State Tract 631-L G-2-196820 | XTO Offshore Inc. | MI 631L (Rob. L 20) | 1 | 0 | 402K | Mar 2003 – Jul 2010 |
| State Tract 659-L NW/4 G-2-106162 | Fairways Offshore Expl., Inc. | Six-Sixty (5200 SD) | 1 | 0 | 0 | Jan 1993 – Jul 2010 |
| State Tract 629-L, SE/4 G-2-101908 | Fairways Spec. Sales & Serv Inc | Block 630-L (4950) | 1 | 0 | 172K | Jan 1993 – May 1995 |
| State Block 483-L G-3-81915 | Vamos Oil & Gas, LLC | Matagorda Island 483-L (Massive) | 1 | 0 | 553K | Jan 1993 – Jul 2026 |
| State Tract 520-L NE/4 G-3-94584 | Atinum Energy, Inc. | EL Gordo (12070) | 1 | 0 | 750K | Jan 1993 – Dec 2012 |
| State Tract 485-L G-3-98871 | Torch Operating Company | Matagorda Island Block 485-L (B) | 1 | 0 | 0 | Jan 1993 – Nov 1993 |
| State Tract 485-L G-3-98872 | Torch Operating Company | Matagorda Island BLK 485-L (C-2) | 1 | 0 | 0 | Jan 1993 – Nov 1993 |
| State Tract 485-L G-3-103727 | Capco Offshore of Texas, Inc. | Matagorda Island Blk. 485-L (X) | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| State Tract 485-L G-3-103728 | Capco Offshore of Texas, Inc. | Matagorda Island Blk. 485-L (Z) | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Matagorda Island 519-L Gas Unit G-3-109101 | Fieldwood Energy LLC | Matagorda Isl. BLK 519-L (15600) | 1 | 0 | 71.1M | Jan 1993 – Mar 2022 |
| State Tract 526-L, SW/4 G-3-109221 | Seagull Energy E&P Inc. | Cavallo (8300) | 1 | 0 | 0 | Jan 1993 – Jul 1999 |
| State Tract 526-L, SW/4, Gom G-3-109328 | Seagull Energy E&P Inc. | Cavallo (7000) | 1 | 0 | 0 | Jan 1993 – Jul 1999 |
| Texas Gulf #57686 G-3-116061 | Black Elk Energy Offshore OP LLC | Cove (MB Zone) | 1 | 0 | 0 | Jan 1993 – Sep 2024 |
| Texas Gulf 57686 G-3-116062 | Black Elk Energy Offshore OP LLC | Cove (MA Zone) | 1 | 0 | 10.4K | Jan 1993 – Sep 2024 |
| Matagorda Island 519-L Gas Unit G-3-119123 | Fieldwood Energy LLC | Matagorda Isl. BLK 519-L (15600) | 1 | 0 | 47.8M | Jan 1993 – Jun 2022 |
| State Tract 520-L, SW/4 G-3-78444 | American Coastal Energy, Inc. | EL Gordo (12800) | 1 | 0 | 0 | Jan 1993 – Feb 1999 |