| Texaco- Exxon Tomas Fee O-4-11838 | Ragars Oil & Gas Co. only | Govt. Wells, N. | Duval | 7 | 411K | 606 | by Jan 1993 – Aug 2026 |
| Exxon-Yates Ranch Fee "D" G-4-140865 | Hilcorp Energy Company only | Bold Forbes (9550) | Duval | 1 | 343K | 20.3M | by Jan 1993 – Apr 2009 |
| Exxon-Yates Ranch Fee "D" G-4-141285 | Remora Operating, LLC only | Bold Forbes (9550) | Duval | 1 | 255K | 10.8M | by Jan 1993 – Jul 2026 |
| Exxon-Yates Ranch Fee 'D' G-4-141941 | Exxon Corp. only | Bold Forbes (9550) | Duval | 1 | 143K | 7.25M | by Jan 1993 – Feb 1997 |
| Texaco Fee 207 O-4-12941 | Mountain V Texas, LLC only | Govt. Wells, N. | Duval | 5 | 120K | 20.1K | May 2000 – Jul 2026 |
| Killam Mineral Fee Sect. 189 "A" O-4-12496 | Killam Oil Co., Ltd. only | Cedro Hill | Duval | 2 | 103K | 0 | Sep 1997 – Aug 2026 |
| Killam Mineral Fee Sect. 189 "B" O-4-12497 | Killam Oil Co., Ltd. only | Cedro Hill | Duval | 4 | 91.3K | 0 | Sep 1997 – Aug 2026 |
| Exxon-Yates Ranch Fee "D" G-4-161710 | Remora Operating, LLC only | Bold Forbes (9800) | Duval | 1 | 87.2K | 6.51M | Dec 1996 – Sep 2009 |
| Exxon Fee O-4-12154 | Chapco, Inc. only | Piedras Pintas Dome | Duval | 2 | 86.2K | 4.98K | by Jan 1993 – Jan 2026 |
| Badgley, A. H. Fee O-4-2861 | Hilcorp Energy Company only | Seven Sisters | Duval | 8 | 63.2K | 19 | by Jan 1993 – Aug 2026 |
| Exxon Yates Ranch Fee "D" O-4-9796 | Remora Operating, LLC only | Strake (3700) | Duval | 4 | 62.9K | 102K | by Jan 1993 – Jul 2026 |
| Exxon-Yates Ranch Fee "D" G-4-145446 | Exxon Corp. only | Bold Forbes (9550) | Duval | 1 | 46.1K | 3.1M | Apr 1993 – Sep 1996 |
| Killam Mineral Fee Sect. 132 "A" O-4-12495 | Killam Oil Co., Ltd. only | Cedro Hill | Duval | 10 | 45.7K | 0 | Sep 1997 – Aug 2026 |
| Miller, M. M. & Sons Fee O-4-9557 | Miller, M. M. & Sons only | Longhorn (Pettus) | Duval | 1 | 33K | 240K | by Jan 1993 – Apr 2000 |
| Exxon-Yates Ranch Fee "D" G-4-156988 | Exxon Mobil Corporation only | Bold Forbes (9800) | Duval | 1 | 32.4K | 2.23M | Aug 1995 – Aug 2001 |
| Exxon-Yates Ranch Fee "D" G-4-160687 | Remora Operating, LLC only | Strake Deep (Carrizo -R-) | Duval | 1 | 31.4K | 713K | Nov 1996 – Jul 2026 |
| Mobil Fee O-4-10571 | Newman Operating Company only | Hoffman (2540 Argo) | Duval | 1 | 27K | 111 | by Jan 1993 – May 2014 |
| McAfee-Box G-4-181607 | TC Oil and Gas, LLC only | San Diego SW (Yegua 5900) | Duval | 1 | 16.8K | 1.14M | Feb 2001 – Apr 2004 |
| Exxon-Yates Ranch Fee "D" G-4-251149 | Remora Operating, LLC only | Strake Deep (Carrizo -R-) | Duval | 1 | 14.9K | 853K | Aug 2009 – Jul 2016 |
| Exxon-Yates Ranch Fee "D" G-4-187679 | Hilcorp Energy Company only | Strake Deep (Carrizo P-2) | Duval | 1 | 10K | 1.68M | Sep 2001 – Aug 2009 |
| Mobil Fee G-4-171730 | Safari Production Company, Inc. only | Destino (Slick B) | Duval | 1 | 9.1K | 187K | Dec 1998 – Nov 2020 |
| Lichtenberger Fee G-4-168921 | Remora Operating, LLC only | Seven Sisters, NE. (10000) | Duval | 1 | 5.22K | 584K | May 1998 – Apr 2003 |
| Miller Fee O-4-12305 | Miller, M. M. & Sons only | Longhorn, West (3700) | Duval | 1 | 4.52K | 146K | Feb 1994 – Apr 2000 |
| Arco et al-Humble Fee G-4-48643 | Columbus Energy, LLC only | Seven Sisters, East ( 9500) | Duval | 1 | 3.85K | 3.6M | by Jan 1993 – Aug 2026 |
| Killam Mineral Fee Sec. 189 'D' O-4-14173 | Killam Oil Co., Ltd. only | Cedro Hill | Duval | 2 | 3.68K | 0 | Mar 2022 – Jun 2024 |
| Arco et al Humble Fee Gas Unit G-4-248270 | Columbus Energy, LLC only | Seven Sisters, E. (Reagan B) | Duval | 1 | 1.34K | 1.95M | Feb 2009 – Jun 2018 |
| Texaco Fee O-4-12940 | Saxet Energy, Ltd. only | Govt. Wells, N. (1275) | Duval | 1 | 1.33K | 29.6K | Feb 2000 – Mar 2002 |
| Lichtenberger Fee O-4-12977 | Hilcorp Energy Company only | Labbe (2360) | Duval | 1 | 1.08K | 43.8K | Nov 2000 – Feb 2003 |
| Mobil Fee G-4-152598 | Safari Production Company, Inc. only | Destino (Wx. Ronnie Sd.) | Duval | 1 | 769 | 2.21M | Dec 1994 – Aug 2026 |
| Mobil Fee G-4-137913 | Safari Production Company, Inc. only | Destino (Wx. Ronnie Sd.) | Duval | 1 | 699 | 2.56M | by Jan 1993 – Aug 2026 |
| Miller Fee O-4-9274 | Miller, M. M. & Sons only | Longhorn (Hiawatha) | Duval | 1 | 636 | 2.27K | by Jan 1993 – Oct 1993 |
| Humble Fee Gas Unit G-4-221133 | Columbus Energy, LLC only | Seven Sisters, E.(2ND Massive) | Duval | 1 | 462 | 112K | Mar 2006 – Sep 2008 |
| Exxon-Lichtenberger Fee G-4-264228 | Remora Operating, LLC only | Seven Sisters, East ( 9500) | Duval | 1 | 452 | 176K | Oct 2011 – Dec 2025 |
| Miller Fee G-4-183146 | M. M. Miller & Sons, Ltd. only | Longhorn | Duval | 1 | 427 | 77.9K | Apr 2001 – Mar 2004 |
| Exxon - Lichtenberger Fee G-4-194492 | Hilcorp Energy Company only | Seven Sisters, E. (House AB) | Duval | 1 | 388 | 255K | Apr 2003 – Jun 2011 |
| Lichtenberger Fee G-4-194263 | Remora Operating, LLC only | Labbe (2360) | Duval | 1 | 337 | 127K | Mar 2003 – Nov 2014 |
| Exxon - Lichtenberger Fee G-4-109428 | Remora Operating, LLC only | Seven Sisters, E. (House AB) | Duval | 1 | 323 | 1.33M | by Jan 1993 – Feb 2017 |
| Mobil Fee G-4-208223 | Safari Production Company, Inc. only | Destino (Slick B) | Duval | 1 | 301 | 202K | Dec 2004 – Aug 2026 |
| M. M. Miller & Sons Fee G-4-198226 | M. M. Miller & Sons, Ltd. only | Longhorn, West (3700) | Duval | 1 | 191 | 146K | Dec 2003 – Oct 2016 |
| Mobil Fee G-4-148343 | Safari Production Company, Inc. only | Destino (Wx. Ronnie Sd.) | Duval | 1 | 178 | 3.74M | Jan 1994 – Aug 2026 |
| Exxon-Lichtenberger Fee G-4-262006 | Remora Operating, LLC only | Seven Sisters, E. (Reagan) | Duval | 1 | 174 | 70.5K | Jul 2011 – Dec 2025 |
| Arco Etal Humble Fee Gas Unit G-4-101266 | Columbus Energy, LLC only | Seven Sisters, E. (Howell Sand) | Duval | 1 | 164 | 19.2M | by Jan 1993 – Aug 2026 |
| Exxon Fee G-4-139822 | Hawk Exploration and Production only | Piedras Pintas Dome | Duval | 1 | 101 | 140 | by Jan 1993 – Jan 1993 |
| Miller Fee "E" G-4-123655 | Miller, M. M. & Sons only | Longhorn, West (Cole, Middle) | Duval | 1 | 73 | 15.1K | by Jan 1993 – Nov 1995 |
| Hahl, C.W. Fee G-4-150431 | Genesis Oper. Development,l.l.c. only | Government Wells, N. (11500) | Duval | 1 | 53 | 1.14M | Jul 1994 – Oct 1999 |
| Conoco Fee S/T G-4-199661 | Newfield Exploration Company only | Destino (Lower House) | Duval | 1 | 44 | 12.8M | Nov 2003 – Sep 2009 |
| Humble Fee Gas Unit G-4-197743 | Columbus Energy, LLC only | Seven Sisters, E. (House AB) | Duval | 1 | 41 | 1.57M | Oct 2003 – Jan 2022 |
| Humble Fee Gas Unit G-4-220102 | Columbus Energy, LLC only | Seven Sisters, E. (House AB) | Duval | 1 | 35 | 1.8M | Feb 2006 – Aug 2026 |
| Arco et al Humble Fee Gas Unit G-4-285507 | Columbus Energy, LLC only | Seven Sisters, E. (Reagan) | Duval | 1 | 12 | 765K | Jul 2018 – Aug 2026 |
| Lichtenberger Fee G-4-181381 | Remora Operating, LLC only | Labbe (Hockley, Up.) | Duval | 1 | 9 | 442K | Feb 2001 – Apr 2009 |