| Champion, A. A. G-4-140985 | Kerr-McGee Oil & Gas Onshore LP only | Frost (Flores, Upper) | Starr | 1 | 3.13K | 202K | by Jan 1993 – Aug 1999 |
| Hidalgo-Willacy G-4-139146 | Kerr-McGee Oil & Gas Onshore LP only | Texan Gardens (V Sand) | Hidalgo | 1 | 3.08K | 315K | by Jan 1993 – Sep 2005 |
| Alvarez-Hinojosa Gas Unit G-4-132885 | Kerr-McGee Corporation only | Frost (Vicksburg Mass.) | Starr | 1 | 2.91K | 494K | by Jan 1993 – Apr 1999 |
| Garcia, I. Y. G-4-185726 | Kerr-McGee Oil & Gas Onshore LLC only | Flores (Vicksburg, Lower) | Starr | 1 | 2.9K | 218K | Oct 2001 – Nov 2003 |
| Rogers Heirs O-7-8021 | Kerr-McGee Oil & Gas Onshore LLC only | East Texas | Gregg | 3 | 2.89K | 40 | by Jan 1993 – Aug 1994 |
| Degarcia-Champion Unit G-4-197093 | Kerr-McGee Oil & Gas Onshore LP only | Rincon (Vicksburg Cons.) | Starr | 1 | 2.88K | 41.1K | Aug 2003 – Apr 2005 |
| Degarcia-Champion Unit O-4-13167 | Kerr-McGee Oil & Gas Onshore LLC only | Rincon (Vicksburg Cons.) | Starr | 1 | 2.87K | 50K | May 2003 – Jul 2003 |
| Speer, George H. St. "B" G-4-166737 | Kerr-McGee Oil & Gas Onshore LLC only | Sun (D-3-G) | Starr | 1 | 2.87K | 457K | Feb 1998 – Oct 2005 |
| McKinney, Amanda G-4-226215 | Kerr-McGee Oil & Gas Onshore LP only | Sun (H-1) | Starr | 1 | 2.87K | 45.2K | Jan 2007 – May 2007 |
| Orive, A. G-4-167586 | Kerr-McGee Oil & Gas Onshore LLC only | Frost (Rincon 6100) | Starr | 1 | 2.82K | 104K | Mar 1998 – Nov 1999 |
| Edinburg Improvement Assoc. G-4-150076 | Kerr-McGee Oil & Gas Onshore LP only | Texan Gardens (K Sand) | Hidalgo | 1 | 2.73K | 680K | May 1994 – May 1999 |
| Cage Ranch 648 G-4-179826 | Kerr-McGee Oil & Gas Onshore LP only | Cage Ranch (8400 Vicksburg) | Brooks | 1 | 2.52K | 214K | Oct 2000 – Oct 2002 |
| Speer, Geo. H. State -D- O-4-13232 | Kerr-McGee Oil & Gas Onshore LP only | Lyda (Vicksburg Lower) | Starr | 1 | 2.5K | 2.91K | Jun 2004 – Oct 2006 |
| Montalvo, N. R. O-4-13384 | Kerr-McGee Oil & Gas Onshore LP only | Sun, North (F-3-D) | Starr | 1 | 2.49K | 3.68K | Jul 2006 – Oct 2007 |
| Garcia, L&L -C- G-4-146358 | Kerr-McGee Oil & Gas Onshore LLC only | Frost (Rincon 2A, Seg. II) | Starr | 1 | 2.48K | 392K | Aug 1993 – Sep 2000 |
| Oryx Sun-Fee G-3-166342 | Kerr-McGee Oil & Gas Onshore LLC only | Seabreeze, N. (Marg 7) | Chambers | 1 | 2.47K | 614K | Sep 1997 – Mar 1998 |
| Degarcia, B.G. G-4-126083 | Kerr-McGee Oil & Gas Onshore LLC only | Frost (Vicksburg Mass.) | Starr | 1 | 2.38K | 332K | by Jan 1993 – Dec 1996 |
| De Garcia, B.G. G-4-141802 | Kerr-McGee Oil & Gas Onshore LLC only | Frost (Vicksburg 7700) | Starr | 1 | 2.37K | 157K | by Jan 1993 – Nov 1995 |
| Montalvo, E. A. Gas Unit G-4-14458 | Kerr-McGee Oil & Gas Onshore LLC only | Sun, North (Garza) | Starr | 1 | 2.32K | 214K | by Jan 1993 – Nov 2003 |
| TCR Speer-State G-4-171098 | Kerr-McGee Oil & Gas Onshore LP only | Sun (B Rincon) | Starr | 1 | 2.31K | 813K | Dec 1998 – Aug 2007 |
| Frost, J. M. Unit G-3-193966 | Kerr-McGee Oil & Gas Onshore LLC only | Fig Ridge (Uvigerina Sand) | Chambers | 1 | 2.29K | 1.5M | Feb 2003 – Mar 2004 |
| Garza Heirs O-4-13132 | Kerr-McGee Oil & Gas Onshore LLC only | Sun, North (D-2-G) | Starr | 1 | 2.2K | 41.4K | Nov 2002 – Jan 2004 |
| A. G. Hermann Gas Unit G-4-176597 | Kerr-McGee Oil & Gas Onshore LLC only | Frost, North (Vicksburg 7100) | Starr | 1 | 2.18K | 44.8K | Dec 1999 – Dec 2000 |
| Ray, George A. G-2-150354 | Pennzoil Exploration & Prod. Co. only | Kerr (8200) | Bee | 1 | 2.13K | 96.5K | Jan 1994 – Jul 1994 |
| Ray, George A. G-2-153123 | Paleo Oil Company LLC only | Kerr (7600) | Bee | 1 | 2.12K | 85.5K | Feb 1995 – Jul 2014 |
| Speer, Geo. H. G-4-186387 | Kerr-McGee Oil & Gas Onshore LP only | Lyda (Vicksburg Lower) | Starr | 1 | 2.1K | 562K | Dec 2001 – Nov 2007 |
| Olds, M. O. O-10-33128 | Kerr-McGee Corporation only | Martin (Clear Fork) | Andrews | 1 | 2.1K | 18.9K | by Jan 1993 – Jun 1994 |
| Kerrco's "Sterling Ranch" O-1-12834 | Ginco Operating Co. only | Pearsall (Austin Chalk) | Frio | 1 | 2.07K | 259 | by Jan 1993 – Aug 2001 |
| Chesley, Helen P. O-10-27394 | Kerr-McGee Corporation only | Fullerton (San Andres) | Andrews | 1 | 2.06K | 22 | by Jan 1993 – Oct 1994 |
| De Garcia, B. G. G-4-164909 | Kerr-McGee Oil & Gas Onshore LLC only | Frost (Ashby Sand) | Starr | 1 | 2K | 44.6K | Sep 1997 – May 1999 |
| Reilly Heirs G-4-216046 | Kerr-McGee Oil & Gas Onshore LP only | Alto Bonito (Yegua Consolidated) | Starr | 1 | 1.99K | 82.8K | Oct 2005 – Sep 2008 |
| Heard Gas Unit G-4-129407 | Kerr-McGee Oil & Gas Onshore LP only | Texan Gardens (S, West) | Hidalgo | 1 | 1.93K | 1.22M | by Jan 1993 – Aug 2007 |
| Speer, Geo. H. State -D- G-4-227057 | Kerr-McGee Oil & Gas Onshore LP only | Lyda (Rincon W) | Starr | 1 | 1.91K | 135K | Nov 2006 – Jun 2007 |
| Lowe & Bitler C A/C 2 O-10-12097 | Kerr-McGee Corporation only | Fullerton (San Andres) | Andrews | 1 | 1.84K | 2.06K | Apr 1993 – Oct 1994 |
| Lasater, Garland G-4-187928 | Kerr-McGee Oil & Gas Onshore LP only | Cage Ranch, N. (8750) | Brooks | 1 | 1.82K | 135K | Oct 2001 – Nov 2005 |
| Herman, A.G. Gas Unit G-4-151334 | Kerr-McGee Oil & Gas Onshore LLC only | Frost (Vicksburg 7300) | Starr | 1 | 1.81K | 68.5K | Aug 1994 – Aug 2001 |
| Garcia L & L Co. -C- G-4-188471 | Kerr-McGee Oil & Gas Onshore LLC only | Frost (K-3) | Starr | 1 | 1.79K | 30.7K | Apr 2002 – Sep 2003 |
| Ray, George A. G-2-137563 | Paleo Oil Company LLC only | Kerr (Reklaw) | Bee | 1 | 1.78K | 185K | by Jan 1993 – Sep 2000 |
| Kerr, R.L. G-5-94000 | Diversified Production LLC only | Personville, N (CV Consolidated) | Limestone | 1 | 1.77K | 619K | by Jan 1993 – Apr 2026 |
| Kerr Estate -A- O-9-5216 | Stephens, Autry C. only | Calvin (Dean) | Reagan | 1 | 1.76K | 24.4K | by Jan 1993 – Oct 1995 |
| Swallow Unit G-4-196830 | Kerr-McGee Oil & Gas Onshore LP only | Edinburg, E. (Frio 6200) | Hidalgo | 1 | 1.76K | 247K | May 2003 – Feb 2005 |
| A. G. Herman Gas Unit G-4-165276 | Kerr-McGee Oil & Gas Onshore LLC only | Frost (Rincon 4990) | Starr | 1 | 1.74K | 283K | Nov 1997 – Dec 1998 |
| Herman, A.G., Jr Gas Unit G-4-141914 | Kerr-McGee Oil & Gas Onshore LLC only | Frost (Rincon 6100) | Starr | 1 | 1.65K | 378K | by Jan 1993 – Jan 1997 |
| Trinity G-4-163057 | Kerr-McGee Oil & Gas Onshore LP only | Texan Gardens (5900) | Hidalgo | 1 | 1.64K | 249K | Apr 1997 – Aug 1999 |
| Helbing 23 G-9-140235 | Kerr-McGee Corporation only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 1.62K | 103K | by Jan 1993 – Jul 1996 |
| Champion, A. A. G-4-174298 | Kerr-McGee Oil & Gas Onshore LP only | Frost (Samano Sand FB-A) | Starr | 1 | 1.59K | 144K | Sep 1999 – Aug 2002 |
| Olds, M.O. O-10-28926 | Kerr-McGee Corporation only | Martin (Tubb) | Andrews | 3 | 1.58K | 7.4K | by Jan 1993 – Jan 1995 |
| Broussard, J. E. et Al G-3-89768 | Kerr-McGee Oil & Gas Onshore LLC only | Oyster Bayou (Frio 2-8200) | Chambers | 1 | 1.55K | 885K | by Jan 1993 – Feb 2003 |
| Canales, E.G. O-4-12757 | Kerr-McGee Corporation only | Tijerina-Canales-Blucher ( 7800) | Kleberg | 1 | 1.55K | 2.02K | Mar 1998 – Mar 1998 |
| Canales, E. G. O-4-12777 | Kerr-McGee Corporation only | Tijerina-Canales-Blucher ( 8500) | Kleberg | 1 | 1.51K | 22.7K | May 1998 – Sep 1998 |