| Kerr-McGee G-3-230364 | Wagner Oil Company only | Buye (Lower Cook Mtn. 3) | Liberty | 1 | 643K | 4.19M | May 2007 – Apr 2026 |
| Kerr-McGee G-3-222830 | Ballard Exploration Company,inc. only | Buye (Lower Cook Mtn. 3) | Liberty | 1 | 562K | 10.5M | Jul 2006 – Apr 2026 |
| Rasmussen G-3-146188 | Kerr-McGee Oil & Gas Onshore LP only | Second Shot (Yegua) | Wharton | 1 | 246K | 6.25M | Aug 1993 – Jun 1999 |
| Slick, T.B. Estate B-266 G-4-155693 | Kerr-McGee Oil & Gas Onshore LLC only | Rincon (Vicksburg 6190) | Starr | 1 | 234K | 6.37M | Jul 1995 – Nov 2003 |
| Arco Fee Diamond Gas Unit G-3-132731 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Jasper | 1 | 157K | 1.46M | Jan 1993 – Sep 2005 |
| Arco East Diamond G-3-131616 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Jasper | 1 | 137K | 1.06M | Jan 1993 – Jan 2005 |
| Ray, George A. G-2-185398 | Paleo Oil Company LLC only | Kerr (Luling) | Bee | 1 | 96.4K | 6.75M | Aug 2001 – Nov 2021 |
| Arriola G-3-182768 | Kerr-McGee Oil & Gas Onshore LLC only | Arriola, S. (Vicksburg 6070) | Hardin | 1 | 95.2K | 2.79M | Jul 2001 – Jun 2005 |
| Arco Fee Silsbee G-3-121495 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Hardin | 1 | 77.4K | 392K | Jan 1993 – Feb 2005 |
| Arco Fee Silsbee G-3-125915 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Hardin | 1 | 76.8K | 589K | Jan 1993 – Jan 2006 |
| University 18-30 G-10-109916 | Kerr-McGee Oil & Gas Onshore LP only | Quito, East (Cherry Canyon) | Ward | 1 | 76.4K | 1.93M | Jan 1993 – Apr 2014 |
| Kerr et al GU G-4-247130 | Dewbre Petroleum Corporation only | La Sal Vieja (Deep) | Willacy | 1 | 70.1K | 1.64M | Jan 2009 – Apr 2026 |
| Kerr-McGee G-3-211128 | Ballard Exploration Company,inc. only | Buye (Lower Cook Mtn. 3) | Liberty | 1 | 65.5K | 2.63M | Jun 2005 – May 2013 |
| White, J. T. -C- G-3-88555 | Kerr-McGee Oil & Gas Onshore LLC only | Elwood (Vicksburg) | Chambers | 1 | 63.7K | 1.69M | Jan 1993 – Oct 2002 |
| Ray, George A. G-2-181073 | Paleo Oil Company LLC only | Kerr (Massive) | Bee | 1 | 61.4K | 3.42M | Aug 2000 – Dec 2005 |
| Slick, T. B. Estate A-527 G-4-169306 | Kerr-McGee Oil & Gas Onshore LLC only | Rincon (87B Vicksburg) | Starr | 1 | 56.5K | 2.34M | Jun 1998 – Mar 2001 |
| Ray, George A. G-2-183627 | Paleo Oil Company LLC only | Kerr (Luling) | Bee | 1 | 52.5K | 5.39M | Apr 2001 – Apr 2026 |
| Barrow Ranch G-3-204043 | Kerr-McGee Oil & Gas Onshore LP only | Barrow Ranch (Hack A) | Chambers | 1 | 52K | 1.64M | Aug 2004 – Aug 2005 |
| Lasater, Garland G-4-178996 | Kerr-McGee Oil & Gas Onshore LP only | Gyp Hill, West (Frio 8000) | Brooks | 1 | 51.7K | 4.56M | Aug 2000 – Jun 2007 |
| Arco Fee Ellery G-3-131617 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Hardin | 1 | 50.9K | 218K | Jan 1993 – Apr 2005 |
| Kerr McGee Fitzhugh G-3-177232 | Rutherford Oil Corporation only | Taylors Bayou (Hackberry III) | Jefferson | 1 | 50.5K | 5.64M | Jan 2000 – Apr 2004 |
| Garcia, I.Y. G-4-147109 | Kerr-McGee Oil & Gas Onshore LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 47.8K | 3.06M | Sep 1993 – Sep 2000 |
| Alvarez-Hinojosa Gas Unit G-4-163149 | Kerr-McGee Oil & Gas Onshore LLC only | Frost, North (Vicksburg 7100) | Starr | 1 | 44.6K | 717K | Apr 1997 – Jun 2000 |
| Arco Fee Diamond G-3-136831 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Jasper | 1 | 44.1K | 284K | Jan 1993 – Jun 2004 |
| Arco Fee Silsbee G-3-130306 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Hardin | 1 | 38.6K | 369K | Jan 1993 – Dec 2004 |
| Hebert & Broussard G-3-186758 | Kerr-McGee Oil & Gas Onshore LLC only | Willow Slough (Nod. B-3) | Chambers | 1 | 37.9K | 2.95M | Oct 2001 – Jul 2002 |
| Slick Estate -C- G-4-167973 | Kerr-McGee Oil & Gas Onshore LP only | Borosa, E. (8270 Vicksburg) | Starr | 1 | 34.9K | 1.69M | Apr 1998 – Nov 2009 |
| Yturria L & L Co. "C" G-4-150151 | Kerr-McGee Oil & Gas Onshore LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 34K | 2.88M | Feb 1994 – Sep 2000 |
| Lasater, Garland G-4-177674 | Kerr-McGee Oil & Gas Onshore LP only | Gyp Hill, West (Frio 8000) | Brooks | 1 | 33.4K | 2.37M | May 2000 – Feb 2007 |
| Herman, A.G. Gas Unit G-4-160515 | Kerr-McGee Oil & Gas Onshore LLC only | Frost (Vicksburg 7300) | Starr | 1 | 32.9K | 1.25M | May 1996 – Nov 1999 |
| Ray, George A. G-2-192638 | Devon Energy Production Co, L.P. only | Kerr (Massive) | Bee | 1 | 31.8K | 2.05M | Nov 2002 – Mar 2006 |
| Arco Fee Silsbee G-3-123268 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Hardin | 1 | 30.2K | 229K | Jan 1993 – Jan 2005 |
| De Garcia, B. G. G-4-162392 | Kerr-McGee Oil & Gas Onshore LLC only | Frost (Ashby Sand) | Starr | 1 | 29.4K | 535K | Feb 1997 – Oct 1998 |
| University 18-31 G-10-104521 | Kerr-McGee Oil & Gas Onshore LP only | Quito, East (Cherry Canyon) | Ward | 1 | 29.2K | 611K | Jan 1993 – Apr 2014 |
| Colby-Claypool G-3-84495 | Kerr-McGee Oil & Gas Onshore LLC only | Elwood (Vicksburg) | Chambers | 1 | 28.2K | 2.36M | Jan 1993 – Jul 2003 |
| Scherp, Peter Van G-4-125959 | Kerr-McGee Oil & Gas Onshore LP only | Jeffress (Vicksburg U, FB-2) | Hidalgo | 1 | 28K | 2.55M | Jan 1993 – Dec 2006 |
| Hermann, A. G. Gas Unit G-4-162219 | Kerr-McGee Oil & Gas Onshore LLC only | Frost (Vicksburg 7300) | Starr | 1 | 25.3K | 549K | Feb 1997 – Jun 1999 |
| Montalvo, N. R. G-4-195853 | Kerr-McGee Oil & Gas Onshore LLC only | Sun, North (7020 Sand) | Starr | 1 | 23.9K | 250K | Jul 2003 – Feb 2005 |
| Bolling, Marjorie G-2-150626 | Kerr-McGee Oil & Gas Onshore LP only | Sneezy (Yegua) | Jackson | 1 | 20.6K | 1.69M | Jul 1994 – May 2002 |
| Garcia-Yturria -a- Gas Unit G-4-158339 | Kerr-McGee Oil & Gas Onshore LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 19.1K | 2.5M | Apr 1996 – Nov 2003 |
| Hankamer, et Al G-3-125954 | Kerr-McGee Oil & Gas Onshore LP only | Buna, West (Wilcox) | Jasper | 1 | 18.7K | 143K | Jan 1993 – Feb 2004 |
| Garcia L & L Co. "C" G-4-147610 | Kerr-McGee Oil & Gas Onshore LLC only | Frost (Rincon 2A, Seg. II) | Starr | 1 | 18.6K | 2.42M | Dec 1993 – Feb 2000 |
| Garcia, I.Y. G-4-144534 | Kerr-McGee Oil & Gas Onshore LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 18.4K | 1.24M | Jan 1993 – Jan 2001 |
| Herbert & Broussard G-3-191577 | Kerr-McGee Oil & Gas Onshore LLC only | Elwood (Discorbis) | Chambers | 1 | 17.7K | 1.33M | Oct 2002 – Jan 2004 |
| Speer, Geo. H. State -D- G-4-176266 | Kerr-McGee Oil & Gas Onshore LLC only | Lyda (Vicksburg Lower) | Starr | 1 | 17.5K | 651K | Feb 2000 – May 2004 |
| University 18-31 G-10-101145 | Kerr-McGee Oil & Gas Onshore LP only | Quito, East (Cherry Canyon) | Ward | 1 | 17.3K | 940K | Jan 1993 – Jun 2011 |
| De Garza, C. L. G-4-183145 | Kerr-McGee Oil & Gas Onshore LLC only | Sun, North (Rincon 6650) | Starr | 1 | 16K | 1.75M | May 2001 – May 2002 |
| White Estate "A" G-3-190881 | Kerr-McGee Oil & Gas Onshore LP only | Elwood (Discorbis) | Chambers | 1 | 16K | 2.68M | Aug 2002 – Jan 2006 |
| BP/Kerr-McGee G-3-219170 | Phoenix Hydrocarbons Operating only | Esperson Dome | Liberty | 1 | 15.7K | 1.08M | Aug 2006 – May 2022 |
| Trahan G-3-187967 | Kerr-McGee Oil & Gas Onshore LP only | Raywood (E. Cook Mtn. 11,500) | Liberty | 1 | 15.7K | 1.25M | Jan 2002 – Dec 2004 |