| Frost National Bank -A- G-4-181428 | Kerr-McGee Oil & Gas Onshore LLC | Garcia (Vicksburg-Flores 5500) | Starr | 1 | 6.06K | 280K | Jan 2001 – Oct 2001 |
| Reynolds, Ellen O-7-7913 | Kerr-McGee Oil & Gas Onshore LLC | East Texas | Gregg | 2 | 5.43K | 2.45K | by Jan 1993 – Feb 1994 |
| Slick, T. B. Estate A G-4-161304 | Kerr-McGee Oil & Gas Onshore LLC | Rincon (Vicksburg 95) | Starr | 1 | 5.24K | 168K | Jul 1996 – Feb 1998 |
| De Garcia, B. G. G-4-166293 | Kerr-McGee Oil & Gas Onshore LLC | Frost (Rincon 2-A) | Starr | 1 | 5.23K | 112K | Jan 1998 – Aug 2000 |
| Hermann, A. G. Gas Unit O-4-12916 | Kerr-McGee Oil & Gas Onshore LLC | Frost, North (Vicksburg 7100) | Starr | 1 | 5.13K | 92K | Feb 2000 – Sep 2000 |
| WS C-1 Unit O-3-9037 | Kerr-McGee Oil & Gas Onshore LLC | Willow Slough (FB-B, C-1) | Chambers | 3 | 4.78K | 2.13K | by Jan 1993 – Aug 1995 |
| Scherpe, Peter Van G-4-55371 | Kerr-McGee Oil & Gas Onshore LLC | Jeffress (Vicksburg U) | Hidalgo | 1 | 4.76K | 331K | by Jan 1993 – Feb 2001 |
| Slick, T.B. Estate B1 G-4-138361 | Kerr-McGee Oil & Gas Onshore LLC | Frost, North (Ashby FB III) | Starr | 1 | 4.69K | 270K | by Jan 1993 – Jul 1999 |
| Garcia L & L Co. -C- G-4-167229 | Kerr-McGee Oil & Gas Onshore LLC | Frost (Flores, Upper) | Starr | 1 | 4.66K | 146K | Mar 1998 – Nov 1998 |
| Hermann, A.G. Gas Unit G-4-162868 | Kerr-McGee Oil & Gas Onshore LLC | Frost (Ashby Sand) | Starr | 1 | 4.11K | 121K | May 1997 – Sep 1998 |
| Hall, C. M. -A- G-4-185685 | Kerr-McGee Oil & Gas Onshore LLC | Lyda (Vicksburg Lower) | Starr | 1 | 4.1K | 504K | Oct 2001 – Jun 2004 |
| Speer, Geo. H. G-4-145724 | Kerr-McGee Oil & Gas Onshore LLC | Lyda (Vicksburg Lower) | Starr | 1 | 4.05K | 766K | Jun 1993 – Apr 1998 |
| De Garcia, B. G. G-4-141803 | Kerr-McGee Oil & Gas Onshore LLC | Frost (Rincon 6100) | Starr | 1 | 3.98K | 848K | by Jan 1993 – Sep 1997 |
| Conoco-Rincon Unit O-4-12287 | Kerr-McGee Oil & Gas Onshore LLC | Rincon (Vicksburg 6190) | Starr | 1 | 3.81K | 5.42K | Nov 1993 – Nov 1994 |
| Alvarez-Hinojosa Gas Unit G-4-185347 | Kerr-McGee Oil & Gas Onshore LLC | Frost (Vicksburg 9200) | Starr | 1 | 3.71K | 339K | Sep 2001 – Mar 2004 |
| Slick, T. B. -B- Est. O-4-2341 | Kerr-McGee Oil & Gas Onshore LLC | Rincon | Starr | 12 | 3.48K | 11K | by Jan 1993 – Feb 1995 |
| Laurel, C. G-4-182314 | Kerr-McGee Oil & Gas Onshore LLC | Sun, North (7020 Sand) | Starr | 1 | 3.46K | 772K | Apr 2001 – Aug 2002 |
| De Lopez, C. V. -B- G-4-142387 | Kerr-McGee Oil & Gas Onshore LLC | Kelsey (Vxkbg. Consol.) | Starr | 1 | 3.35K | 533K | by Jan 1993 – Jul 2000 |
| Garcia L & L "C" G-4-178323 | Kerr-McGee Oil & Gas Onshore LLC | Frost (Rincon 4990) | Starr | 1 | 3.14K | 209K | Mar 2000 – Mar 2002 |
| Garcia, I. Y. G-4-185726 | Kerr-McGee Oil & Gas Onshore LLC | Flores (Vicksburg, Lower) | Starr | 1 | 2.9K | 218K | Oct 2001 – Nov 2003 |
| Rogers Heirs O-7-8021 | Kerr-McGee Oil & Gas Onshore LLC | East Texas | Gregg | 3 | 2.89K | 40 | by Jan 1993 – Aug 1994 |
| Speer, George H. St. "B" G-4-166737 | Kerr-McGee Oil & Gas Onshore LLC | Sun (D-3-G) | Starr | 1 | 2.87K | 457K | Feb 1998 – Oct 2005 |
| Degarcia-Champion Unit O-4-13167 | Kerr-McGee Oil & Gas Onshore LLC | Rincon (Vicksburg Cons.) | Starr | 1 | 2.87K | 50K | May 2003 – Jul 2003 |
| Orive, A. G-4-167586 | Kerr-McGee Oil & Gas Onshore LLC | Frost (Rincon 6100) | Starr | 1 | 2.82K | 104K | Mar 1998 – Nov 1999 |
| Garcia, L&L -C- G-4-146358 | Kerr-McGee Oil & Gas Onshore LLC | 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 | 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 | 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 | 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 | Sun, North (Garza) | Starr | 1 | 2.32K | 214K | by Jan 1993 – Nov 2003 |
| Frost, J. M. Unit G-3-193966 | Kerr-McGee Oil & Gas Onshore LLC | 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 | 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 | Frost, North (Vicksburg 7100) | Starr | 1 | 2.18K | 44.8K | Dec 1999 – Dec 2000 |
| De Garcia, B. G. G-4-164909 | Kerr-McGee Oil & Gas Onshore LLC | Frost (Ashby Sand) | Starr | 1 | 2K | 44.6K | Sep 1997 – May 1999 |
| Herman, A.G. Gas Unit G-4-151334 | Kerr-McGee Oil & Gas Onshore LLC | 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 | Frost (K-3) | Starr | 1 | 1.79K | 30.7K | Apr 2002 – Sep 2003 |
| A. G. Herman Gas Unit G-4-165276 | Kerr-McGee Oil & Gas Onshore LLC | 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 | Frost (Rincon 6100) | Starr | 1 | 1.65K | 378K | by Jan 1993 – Jan 1997 |
| Broussard, J. E. et Al G-3-89768 | Kerr-McGee Oil & Gas Onshore LLC | Oyster Bayou (Frio 2-8200) | Chambers | 1 | 1.55K | 885K | by Jan 1993 – Feb 2003 |
| Frost, J. M. Unit G-3-201105 | Kerr-McGee Oil & Gas Onshore LLC | Fig Ridge (Uvig Upper Sand) | Chambers | 1 | 1.32K | 1.39M | Apr 2004 – Oct 2004 |
| Garcia L & L Company "C" G-4-149126 | Kerr-McGee Oil & Gas Onshore LLC | Frost (Flores K1) | Starr | 1 | 1.28K | 703K | Mar 1994 – Sep 1996 |
| A. G. Hermann Gas Unit G-4-176530 | Kerr-McGee Oil & Gas Onshore LLC | Frost (Vicksburg 6650) | Starr | 1 | 1.25K | 74.8K | Dec 1999 – May 2000 |
| Saenz, M.-State G-4-129243 | Kerr-McGee Oil & Gas Onshore LLC | Rincon, N. (Vicksburg 2) | Starr | 1 | 1.19K | 60.3K | by Jan 1993 – Oct 1995 |
| Slick Estate "C" G-4-173032 | Kerr-McGee Oil & Gas Onshore LLC | Borosa, E. (9850 Vicksburg) | Starr | 1 | 1.08K | 132K | May 1999 – Feb 2001 |
| De Garcia, B. G. G-4-114150 | Kerr-McGee Oil & Gas Onshore LLC | Frost (Vicksburg Mass.) | Starr | 1 | 1.06K | 197K | by Jan 1993 – Mar 1995 |
| Hall, C. M. G-4-12965 | Kerr-McGee Oil & Gas Onshore LLC | Rincon, North (F-2) | Starr | 1 | 1.01K | 251K | by Jan 1993 – Apr 1997 |
| White, J. T. -B- G-3-81325 | Kerr-McGee Oil & Gas Onshore LLC | Elwood (Vicksburg) | Chambers | 1 | 988 | 45.9K | by Jan 1993 – Feb 2002 |
| Solis Heirs O-4-13135 | Kerr-McGee Oil & Gas Onshore LLC | Garcia (Frost -B-) | Starr | 1 | 960 | 0 | Mar 2003 – Sep 2003 |
| Alvarez-Hinojosa Gas Unit G-4-163621 | Kerr-McGee Oil & Gas Onshore LLC | Frost (Vicksburg 6650) | Starr | 1 | 940 | 158K | Jun 1997 – Jul 1998 |
| Hermann, A. G. Gas Unit G-4-179426 | Kerr-McGee Oil & Gas Onshore LLC | Frost, North (Vicksburg 7100) | Starr | 1 | 795 | 33.8K | Oct 2000 – Jul 2001 |
| Jackson, Felix et Al G-3-160419 | Kerr-McGee Oil & Gas Onshore LLC | Oyster Bayou | Chambers | 1 | 770 | 609K | Oct 1996 – Jul 2003 |