| Galveston 215 G-3-208232 | Emerald Gather and Trans, LLC | Galveston 220-L (5790) | 1 | 2.36M | 3.26M | Oct 2004 – Jul 2026 |
| S. T. 186-L S/2 SE/4 O-3-25894 | Emerald Gather and Trans, LLC | St 186L S\2 SE\4 (Rob-L) | 1 | 1.35M | 1.29M | Jan 2012 – Aug 2026 |
| S.T. 214-L S/2 NW/4 G-3-283659 | Emerald Gather and Trans, LLC | Galveston 220-L (5790) | 1 | 331K | 513K | May 2017 – Jul 2026 |
| S.T. 307-L S/2 SE/4 G-3-183750 | Seneca Resources Corporation | Cyclone (Rob Chambersi 3) | 1 | 119K | 9.99M | Mar 2001 – Jan 2007 |
| State Tract 306-L NE/4 G-3-199884 | Tri-C Resources, LLC | Dolphin Prospect (Rob M 8100) | 1 | 44.7K | 9.19M | Jul 2004 – May 2009 |
| Galveston Block 278-L(mf-106411) G-3-226926 | Hall-Houston Expl. II, L.P. | Galveston 278-L (Miocene Cons.) | 1 | 25.4K | 1.69M | Jul 2007 – Dec 2008 |
| Galveston 150-L Unit No. 1 G-3-156790 | Samedan Oil Corp. -Offshore Div. | Galveston 150-L (5800) | 1 | 22.3K | 6.15M | May 1996 – Nov 1998 |
| S.T. 278-L S/2 (Rutherford Unit) G-3-229797 | Hall-Houston Expl. II, L.P. | Dolphin Prospect (Rob M 8100) | 1 | 17.9K | 4.24M | Jul 2007 – Sep 2012 |
| S. T. 310-L S/2/NE/4 G-3-159858 | Walter Oil & Gas Corporation | Cyclone (Rob 43 6350 Res. A) | 1 | 17.5K | 8.11M | May 1996 – Apr 2011 |
| S.T. 278/279-L Unit G-3-229914 | Tri-C Resources, LLC | Dolphin Prospect (Rob M 8100) | 1 | 14.9K | 4.94M | Jan 2008 – Dec 2009 |
| S. T. 310-L S/2 NE/4 G-3-160339 | Walter Oil & Gas Corporation | Cyclone (Rob 43 6350 Res. A) | 1 | 14.5K | 6.04M | Jun 1996 – Apr 2011 |
| S.T. 218-L S/2 SE/4 G-3-229316 | Apex Oil & Gas, Inc. | Galveston Block 218-L (Rob M-1) | 1 | 13.1K | 2.29M | Jun 2006 – Nov 2008 |
| S. L. 98157 G-3-180116 | Dynamic Offshore Res. NS, LLC | San Luis Pass ("D" Sand) | 1 | 12.8K | 2.34M | Aug 2000 – Jun 2009 |
| State Tract 310-L G-3-70284 | Fairways Spec. Sales & Serv Inc | Galveston Block 310-L (Mio) | 1 | 11.5K | 1.06M | by Jan 1993 – Dec 2002 |
| S. T. 310-L N/2 NE/4 G-3-229086 | Hall-Houston Expl. II, L.P. | Galveston 310-L (Miocene) | 1 | 10.9K | 3.7M | Mar 2007 – Aug 2013 |
| S. T. 307-L S2 SE/4 G-3-192646 | Walter Oil & Gas Corporation | Cyclone (Robulus 43) | 1 | 9.61K | 5.42M | Nov 2002 – Dec 2010 |
| S.T. 307-L N/2 NW/4 G-3-255489 | Black Pool Energy, LP | Galveston 307-L (Lower Cris 54) | 1 | 8.75K | 2.04M | Sep 2009 – Apr 2016 |
| S. L. 98156 G-3-178811 | Spinnaker Exploration Co.,l.l.c. | San Luis Pass ("D" Sand) | 1 | 8.41K | 876K | Jun 2000 – Aug 2002 |
| S.L. 98157 G-3-170909 | Samedan Oil Corp. -Offshore Div. | San Luis Pass ("B" Sand) | 1 | 3.67K | 657K | Oct 1998 – Feb 2000 |
| State Lease M-96872 G-3-165043 | Shell Offshore Inc. | Putski (Marg. A) | 1 | 2.98K | 487K | Jul 1997 – Oct 1997 |
| S.T. 218-L S/2 SE/4 G-3-246824 | Hall-Houston Expl. III, L.P. | Galveston Block 218-L (RL-5SAND) | 1 | 2.71K | 653K | Nov 2008 – Mar 2010 |
| S.T. 307-L N/2 SW/4 G-3-255491 | Black Pool Energy, LP | Galveston 307-L (7000 Sand) | 1 | 2.52K | 870K | Sep 2009 – Jan 2013 |
| S.T. 307-L N/2 SW/4 G-3-255492 | Black Pool Energy, LP | Galveston 307-L (Upper Cris 54) | 1 | 2.39K | 1.4M | Sep 2009 – Apr 2016 |
| S.T. 307-L S/2 SW/4 G-3-183803 | Seneca Resources Corporation | Cyclone (Robulus 43) | 1 | 2.01K | 734K | Apr 2001 – Dec 2006 |
| State Tract 278-L, NW/4 G-3-148375 | Enserch Exploration, Inc | Freeport (Miocene 6900) | 1 | 1.63K | 449K | Dec 1993 – Aug 1996 |
| State Tract 278-L, NW/4 G-3-144922 | Pg&e Resources Offshore Company | Freeport (Miocene 7400) | 1 | 264 | 232K | Feb 1993 – Nov 1993 |
| State Tract 278-L, NW14 G-3-123517 | Pg&e Resources Offshore Company | Freeport (Miocene 7900) | 1 | 80 | 4.84K | Feb 1993 – Feb 1993 |
| State Tract 220-L #77244 G-3-127750 | Apache Corporation | Galveston 220-L (5790) | 1 | 54 | 13.6K | by Jan 1993 – May 1993 |
| S. L. 098156 G-3-192309 | Spinnaker Exploration Co.,l.l.c. | San Luis Pass ("a", FB a Sand) | 1 | 9 | 7.45K | Dec 2002 – Dec 2002 |
| St Tract 245-L (SL 66970) G-3-121421 | Apache Corporation | Block 245 (5960) | 1 | 3 | 59.3K | by Jan 1993 – Feb 1993 |
| State Tract 245-L #66970 NE/4 G-3-70627 | Apache Corporation | Block 245 (5960) | 1 | 0 | 0 | — |
| S.T. 215-L S/2 NE/4 G-3-272437 | Emerald Gather and Trans, LLC | Wildcat | 1 | 0 | 0 | — |
| S.T. 310-L N/2 NE/4 G-3-274885 | Hall-Houston Expl. II, L.P. | Galveston 310-L (RL Sand) | 1 | 0 | 182K | Sep 2013 – Nov 2013 |
| State Tract 334-L G-3-70526 | Rutherford Oil Corporation | Galveston Block 310-L (Mio) | 1 | 0 | 0 | — |
| State Tract 278-L, NW/4 G-3-149950 | Enserch Exploration, Inc | Wildcat | 1 | 0 | 0 | — |
| State Tract 334-L G-3-64709 | Rutherford Oil Corporation | Galveston Block 310-L (Mio) | 1 | 0 | 0 | — |
| S.L. 98157 G-3-170277 | Samedan Oil Corp. -Offshore Div. | Wildcat | 1 | 0 | 0 | — |
| State Tract 310-L G-3-60065 | Rutherford Oil Corporation | Galveston Block 310-L (Mio) | 1 | 0 | 0 | — |
| State Tract 278-L, NW14 G-3-123580 | Pg&e Resources Offshore Company | Freeport (Miocene 7700) | 1 | 0 | 0 | — |
| Galveston 215 G-3-196708 | Northstar Gulfsands, LLC | Wildcat | 1 | 0 | 0 | — |
| State Tract 310-L (NE/4) G-3-104594 | Flash Gas & Oil Southwest, Inc. | Sooner 1 (Miocene, U. 3000) | 1 | 0 | 0 | — |
| State Lease 310-L (NE/4) G-3-102868 | Flash Gas & Oil Southwest, Inc. | Sooner 1 (Miocene, U. 3000) | 1 | 0 | 0 | — |
| State Tract 102-L NE/4 G-3-85294 | Mesa Operating Co. | Galveston 102-L(miocene) | 1 | 0 | 0 | — |
| State Tract 102-L NE/4 G-3-85293 | Mesa Operating Co. | Galveston 102-L(miocene) | 1 | 0 | 0 | — |
| State Tract 102-L NE/4 G-3-83743 | Mesa Operating Co. | Galveston 102-L(miocene) | 1 | 0 | 0 | — |
| State Tract 310-L G-3-72132 | Rutherford Oil Corporation | Galveston Block 310-L (Mio) | 1 | 0 | 0 | — |