| Petty Gas Unit G-3-216298 | Burk Royalty Co., Ltd. only | Olive (Wilcox B) | Hardin | 1 | 505K | 2.5M | Mar 2006 – Aug 2026 |
| Cox Bay State Tract No. 59 G-2-128647 | Remora Operating, LLC only | Maude B. Traylor (F-41-61, Deep) | Calhoun | 1 | 132K | 3.52M | by Jan 1993 – Sep 2020 |
| Quinn, B. E. Estate O-3-25426 | Indian Exploration, Inc. only | Blue Marsh (Wilcox B) | Newton | 1 | 82K | 0 | Dec 2009 – Aug 2026 |
| Kuester, Charles G-2-132739 | Petroglyph Operating Company Inc only | Helen Gohlke, W. (Wilcox B-2) | Victoria | 1 | 27.5K | 444K | by Jan 1993 – Aug 1998 |
| Worsham Gas Unit G-2-177614 | Aldine Oil and Gas, LP only | Austin, W. (Upper Wilcox B) | Goliad | 1 | 26.7K | 2.9M | Nov 1999 – Aug 2026 |
| Kuester, Charles O-2-8401 | Mosaic Oil LLC only | Helen Gohlke, W. (Wilcox B-2) | Victoria | 1 | 25.8K | 196K | Aug 1998 – May 2013 |
| Mixson O-3-23318 | MBX Operating LLC only | Buna (Wilcox B) | Jasper | 1 | 21.8K | 188K | Aug 1997 – Aug 2004 |
| Foster, J. R. G-4-70892 | Devon Louisiana Corporation only | Hagist Ranch(wilcox Basal House) | Duval | 1 | 13.6K | 405K | by Jan 1993 – Jul 2004 |
| Exxon Mineral Fee O-3-20429 | Exxon Corp. only | Jacks Creek (Wilcox B) | Tyler | 1 | 13.1K | 24.4K | by Jan 1993 – Mar 1996 |
| Wilcox Oil Unit 1 O-3-27428 | Rusk Energy Operating LLC only | Jacks Creek (Wilcox B) | Tyler | 1 | 12.6K | 105K | Oct 2018 – Aug 2026 |
| Cox B O-11-67973 | Giebel Petroleum Ltd. only | Giebel (Cfa) | Andrews | 1 | 11.9K | 56.1K | Aug 1998 – Mar 2004 |
| Foster, J.R. G-4-126991 | Devon Energy Production Co, L.P. only | Hagist Ranch(wilcox Basal House) | Duval | 1 | 9.69K | 570K | by Jan 1993 – Jun 2007 |
| DCR 262 G-4-141879 | Hilcorp Energy Company only | D C R 79, South (Wilcox B) | Duval | 1 | 7.93K | 1.2M | by Jan 1993 – Sep 2009 |
| Borchers A-108 G-2-225866 | Hunt Oil Company only | Benbow (Lower Wilcox B) | Lavaca | 1 | 7.83K | 740K | Jan 2007 – Sep 2008 |
| Lindy "O" O-3-17647 | Vega Operating Company only | Melinda (Wilcox B) | Washington | 2 | 4.64K | 5.51K | by Jan 1993 – Jan 1994 |
| Lindy "I" O-3-17361 | Kouatli, Aiman M. only | Melinda (Wilcox B) | Washington | 1 | 3.27K | 5.45K | by Jan 1993 – Feb 2001 |
| El Paso Natural Gas G-2-141292 | Hunter Petroleum Inc. only | Clegg (Wilcox B) | Live Oak | 1 | 1.7K | 221K | by Jan 1993 – Oct 1996 |
| Lindy "C" O-3-21319 | Vega Operating Company only | Melinda (Wilcox B) | Washington | 1 | 1.68K | 41.3K | by Jan 1993 – Jan 1994 |
| McNeill G-2-197200 | Tidal Petroleum, Inc. only | Helen Gohlke, W. (Wilcox B-2) | Victoria | 1 | 1.21K | 221K | Jul 2003 – Jul 2007 |
| Holm-State Gas Unit #1 G-2-129731 | Hunter Petroleum Inc. only | Clegg (Wilcox B) | Live Oak | 1 | 1.14K | 571K | by Jan 1993 – Nov 1996 |
| Benner, Wm. G-2-192568 | Mountain V Texas, LLC only | Provident City (Wilcox B) | Lavaca | 1 | 1.11K | 250K | Nov 2002 – Aug 2014 |
| Lindy "E" O-3-17284 | Vega Operating Company only | Melinda (Wilcox B) | Washington | 1 | 1.1K | 3.8K | by Jan 1993 – Jul 1993 |
| Hagist Gas Unit 2 G-4-92256 | Devon Energy Production Co, L.P. only | Hagist Ranch(wilcox Basal House) | Duval | 1 | 1.06K | 344K | by Jan 1993 – May 2007 |
| Kuester G-2-205691 | Tidal Petroleum, Inc. only | Helen Gohlke, W. (Wilcox B-2) | Victoria | 1 | 987 | 47.5K | Nov 2004 – May 2008 |
| Kuester, Charles G-2-2036 | Remora Management, LLC only | Helen Gohlke ( Wilcox B-2) | Victoria | 1 | 706 | 8.29K | May 2001 – May 2010 |
| El Paso Natural Gas G-2-76281 | Hunter Petroleum Inc. only | Clegg (Wilcox B) | Live Oak | 1 | 661 | 265K | by Jan 1993 – Mar 1996 |
| Hagist Gas Unit 1 G-4-101923 | Devon Louisiana Corporation only | Hagist Ranch(wilcox Basal House) | Duval | 1 | 582 | 384K | by Jan 1993 – Nov 2003 |
| M. G. M. Unit G-2-85680 | Midstates Corporation only | Clegg (Wilcox B) | Live Oak | 1 | 511 | 79.7K | by Jan 1993 – May 1994 |
| Foster-Smith 206 G-4-233647 | Hilcorp Energy Company only | Hagist Ranch(wilcox Basal House) | Duval | 1 | 511 | 228K | Jul 2007 – Aug 2026 |
| Borchers Estate G-2-170751 | Hallwood Petroleum, Inc. only | Benbow (Lower Wilcox B) | Lavaca | 1 | 376 | 174K | Sep 1998 – Mar 2000 |
| Kuester O-2-8898 | Tidal Petroleum, Inc. only | Helen Gohlke, W. (Wilcox B-2) | Victoria | 1 | 306 | 0 | Sep 2004 – Oct 2004 |
| Sherman, JO Ann G-2-169226 | Texaco E & P Inc. only | Austin (Upper Wilcox B) | Goliad | 1 | 231 | 18.9K | Apr 1998 – May 1998 |
| Cox B G-9-68026 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 221 | 155K | by Jan 1993 – Jul 2026 |
| McDermott Heirs G-4-147764 | Tri-C Resources, Inc. only | Hal Lopeno (Wilcox B-7) | Zapata | 1 | 210 | 120K | Nov 1993 – Oct 1996 |
| Cox B G-9-68027 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 158 | 165K | by Jan 1993 – Jun 2012 |
| Kuester G-2-203363 | Tidal Petroleum, Inc. only | Helen Gohlke ( Wilcox B-2) | Victoria | 1 | 140 | 27.2K | Mar 2004 – May 2005 |
| O'Connor Ranch G-2-241858 | Proline Energy Resources Inc only | Austin, W. (Upper Wilcox B) | Goliad | 1 | 138 | 399K | Aug 2006 – Jul 2024 |
| Lindy "H" O-3-17360 | Vega Operating Company only | Melinda (Wilcox B) | Washington | 1 | 127 | 20 | by Jan 1993 – Jan 1994 |
| Lindy "B" O-3-17359 | Vega Operating Company only | Melinda (Wilcox B) | Washington | 1 | 120 | 193 | Feb 1993 – Jul 1993 |
| McNeill G-2-199977 | Tidal Petroleum, Inc. only | Helen Gohlke, W. (Wilcox B-2) | Victoria | 1 | 110 | 45.2K | Sep 2003 – Nov 2005 |
| Hendricks Estate Unit G-2-111993 | A.j.& M. Oil Company only | Clegg (Wilcox B) | Live Oak | 1 | 71 | 16.9K | by Jan 1993 – Sep 1993 |
| Zengerle, Wayne O. et UX O-2-9390 | Lucky Lad Energy, LLC only | Arneckeville (Wilcox B) | De Witt | 1 | 43 | 331 | Feb 2010 – Mar 2011 |
| Foster, J. R. G-4-119565 | Cliffwood Production Co. only | Hagist Ranch(wilcox Basal House) | Duval | 1 | 24 | 16.2K | by Jan 1993 – Apr 2000 |
| Matthew-Kuester G-2-2034 | Hackberry Oil & Gas LLC only | Helen Gohlke ( Wilcox B-2) | De Witt | 1 | 4 | 13.4K | by Jan 1993 – Aug 1998 |
| Lindy "G" O-3-17498 | Salty Dog Service Company, LLC only | Melinda (Wilcox B) | Washington | 1 | 0 | 0 | — |
| Lindy "F" O-3-19262 | Vega Operating Company only | Melinda (Wilcox B) | Washington | 1 | 0 | 0 | — |
| Hagist Ranch G-1-35242 | Cannan, Morris only | Loma Alta (Wilcox B) | McMullen | 1 | 0 | 0 | — |
| Borchers, Vivian G-2-115899 | Hydrocarbon Operating, Inc. only | Benbow (Lower Wilcox B) | Lavaca | 1 | 0 | 0 | — |
| O'Connor Ranch G-2-248909 | Milagro Exploration, LLC only | Austin, W. (Upper Wilcox B) | Goliad | 1 | 0 | 5.92K | Sep 2005 – Feb 2008 |
| Baker, Earl G-2-78309 | Rutherford Oil Corporation only | Clegg (Wilcox B) | Live Oak | 1 | 0 | 0 | — |