| Chapotal Land Co. -B- G-4-191301 | Kerr-McGee Oil & Gas Onshore LP only | La Burrita Creek (Jackson) | Starr | 1 | 1.51K | 244K | Sep 2002 – Jun 2006 |
| Hall, J.F. State -A- G-4-135458 | Kerr-McGee Oil & Gas Onshore LP only | Lyda (Vicksburg Lower) | Starr | 1 | 1.51K | 775K | by Jan 1993 – May 2001 |
| Talley, C. A. Jr. G-2-170731 | Kerr-McGee Oil & Gas Onshore LP only | Jobar (Yegua) | Goliad | 1 | 1.43K | 211K | Aug 1998 – Feb 2003 |
| Frost, J. M. Unit G-3-201105 | Kerr-McGee Oil & Gas Onshore LLC only | Fig Ridge (Uvig Upper Sand) | Chambers | 1 | 1.32K | 1.39M | Apr 2004 – Oct 2004 |
| Frey G-4-161687 | Kerr-McGee Oil & Gas Onshore LP only | Texan Gardens (5700) | Hidalgo | 1 | 1.29K | 608K | Nov 1996 – May 1998 |
| Garcia L & L Company "C" G-4-149126 | Kerr-McGee Oil & Gas Onshore LLC only | 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 only | Frost (Vicksburg 6650) | Starr | 1 | 1.25K | 74.8K | Dec 1999 – May 2000 |
| Champion, A. A. G-4-239745 | Kerr-McGee Oil & Gas Onshore LP only | Borosa, S. (FB W Frio 4330) | Starr | 1 | 1.22K | 157K | Apr 2008 – Apr 2010 |
| Orive, A. G-4-175607 | Kerr-McGee Oil & Gas Onshore LP only | Rincon (Vicksburg Cons.) | Starr | 1 | 1.22K | 249K | Jan 2000 – Nov 2004 |
| Ray, George A. G-2-186181 | Devon Energy Production Co, L.P. only | Kerr (7950) | Bee | 1 | 1.21K | 125K | Jun 2001 – Jun 2002 |
| Lasater, Garland G-4-187882 | Kerr-McGee Oil & Gas Onshore LP only | Proctor (Vicksburg, Upper) | Brooks | 1 | 1.2K | 186K | Oct 2001 – Jun 2005 |
| Mitchell, A.F. G-4-161924 | Kerr-McGee Oil & Gas Onshore LP only | Foy (6300) | Hidalgo | 1 | 1.2K | 385K | Jan 1997 – Jun 2002 |
| Saenz, M.-State G-4-129243 | Kerr-McGee Oil & Gas Onshore LLC only | Rincon, N. (Vicksburg 2) | Starr | 1 | 1.19K | 60.3K | by Jan 1993 – Oct 1995 |
| Kerr O-8-15671 | JP Oil & Gas, LLC only | Mangum, North (3200) | Eastland | 4 | 1.08K | 9.68K | by Jan 1993 – May 2017 |
| Slick Estate "C" G-4-173032 | Kerr-McGee Oil & Gas Onshore LLC only | 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 only | Frost (Vicksburg Mass.) | Starr | 1 | 1.06K | 197K | by Jan 1993 – Mar 1995 |
| Yturria G-4-181450 | Kerr-McGee Oil & Gas Onshore LP only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 1.02K | 227K | Jan 2001 – Dec 2009 |
| Hall, C. M. G-4-12965 | Kerr-McGee Oil & Gas Onshore LLC only | Rincon, North (F-2) | Starr | 1 | 1.01K | 251K | by Jan 1993 – Apr 1997 |
| Champion, A. A. G-4-174044 | Kerr-McGee Oil & Gas Onshore LP only | Frost (Flores, Upper) | Starr | 1 | 1.01K | 361K | May 1999 – Jan 2008 |
| White, J. T. -B- G-3-81325 | Kerr-McGee Oil & Gas Onshore LLC only | Elwood (Vicksburg) | Chambers | 1 | 988 | 45.9K | by Jan 1993 – Feb 2002 |
| Solis Heirs O-4-13135 | Kerr-McGee Oil & Gas Onshore LLC only | Garcia (Frost -B-) | Starr | 1 | 960 | 0 | Mar 2003 – Sep 2003 |
| Alvarez-Hinojosa Gas Unit G-4-163621 | Kerr-McGee Oil & Gas Onshore LLC only | Frost (Vicksburg 6650) | Starr | 1 | 940 | 158K | Jun 1997 – Jul 1998 |
| Hidalgo - Willacy G-4-123298 | Kerr-McGee Oil & Gas Onshore LP only | Texan Gardens (R, South) | Hidalgo | 1 | 906 | 351K | by Jan 1993 – Oct 2005 |
| Walton, J. O-6-11296 | Kerr-McGee Corporation only | Chapel Hill, NE. (Travis Peak) | Smith | 1 | 875 | 24K | by Jan 1993 – Feb 1995 |
| Connell E O-11-67334 | Kerry Petroleum Company, Inc. only | Rocker -a-, NW. (San Andres) | Garza | 1 | 853 | 5 | Dec 1994 – Dec 1995 |
| Champion, A.A. O-4-13467 | Kerr-McGee Oil & Gas Onshore LP only | Rincon (Vicksburg Cons.) | Starr | 1 | 806 | 1.85K | Jan 2008 – Sep 2008 |
| Hermann, A. G. Gas Unit G-4-179426 | Kerr-McGee Oil & Gas Onshore LLC only | Frost, North (Vicksburg 7100) | Starr | 1 | 795 | 33.8K | Oct 2000 – Jul 2001 |
| Goss Trust G-3-192178 | Kerr-McGee Oil & Gas Onshore LP only | Iola (Georgetown) | Brazos | 1 | 786 | 14.9K | Oct 2002 – Feb 2005 |
| Ray, George A. G-2-198673 | Devon Energy Production Co, L.P. only | Kerr (7950) | Bee | 1 | 778 | 80.4K | Aug 2003 – May 2004 |
| Jackson, Felix et Al G-3-160419 | Kerr-McGee Oil & Gas Onshore LLC only | Oyster Bayou | Chambers | 1 | 770 | 609K | Oct 1996 – Jul 2003 |
| White Estate A G-3-192681 | Kerr-McGee Oil & Gas Onshore LLC only | Elwood (Vicksburg) | Chambers | 1 | 730 | 83.8K | Dec 2002 – May 2003 |
| Garza Heirs G-4-189675 | Kerr-McGee Oil & Gas Onshore LLC only | Sun, North (7020 Sand) | Starr | 1 | 729 | 141K | Jun 2002 – Oct 2002 |
| Ray G-2-262921 | Trinity River Energy Oper, LLC only | Kerr (8200) | Bee | 1 | 711 | 100K | Oct 2010 – Apr 2012 |
| Cage Ranch G-4-194974 | Kerr-McGee Oil & Gas Onshore LP only | Cage Ranch, NE. (8200) | Brooks | 1 | 709 | 51K | Dec 2002 – Feb 2003 |
| Parker, J. E. Estate -A- O-10-32013 | Kerr-McGee Oil & Gas Onshore LLC only | Martin (Clear Fork, LO) | Andrews | 2 | 701 | 4.14K | by Jan 1993 – Feb 1993 |
| Hidalgo - Willacy G-4-137590 | Kerr-McGee Oil & Gas Onshore LP only | Texan Gardens (R, FB-4) | Hidalgo | 1 | 664 | 245K | by Jan 1993 – Feb 2005 |
| Heard Gas Unit 2 G-4-194578 | Kerr-McGee Oil & Gas Onshore LP only | Texan Gardens (Heard Massive) | Hidalgo | 1 | 661 | 919K | Sep 2002 – Mar 2005 |
| Amyx G-4-161641 | Kerr-McGee Oil & Gas Onshore LP only | Texan Gardens (5900) | Hidalgo | 1 | 632 | 112K | Nov 1996 – Jul 1998 |
| Wilde O-9-15359 | Kerr-McGee Oil & Gas Onshore LP only | Roach (Fusselman) | Reagan | 1 | 612 | 13.1K | Jan 2003 – Jun 2005 |
| Cardenas, R.R. G-4-124829 | Kerr-McGee Oil & Gas Onshore LP only | Frost (Vicksburg Mass.) | Starr | 1 | 581 | 32K | by Jan 1993 – Jan 1995 |
| Hall, J. F. State G-4-179410 | Kerr-McGee Oil & Gas Onshore LLC only | Rincon, North (Vicksburg 8200) | Starr | 1 | 535 | 42.5K | Sep 2000 – Apr 2003 |
| Walker, P. et Al G-10-211743 | Kerr-McGee Oil & Gas Onshore LP only | Quito, East (Cherry Canyon) | Ward | 1 | 529 | 36.8K | Sep 2005 – Jan 2015 |
| Swallow Unit G-4-197677 | Kerr-McGee Oil & Gas Onshore LP only | Edinburg, E. (Frio 6200) | Hidalgo | 1 | 515 | 281K | Oct 2003 – Feb 2005 |
| A. G. Hermann Gas Unit G-4-178964 | Kerr-McGee Oil & Gas Onshore LLC only | Rincon (Vicksburg Cons.) | Starr | 1 | 503 | 115K | Aug 2000 – Feb 2003 |
| Kerr O-1-6212 | Reh Energy, Inc. only | Good Luck (San Miguel) | Dimmit | 1 | 487 | 16 | by Jan 1993 – Apr 1994 |
| Rupp, N. G-4-135253 | Kerr-McGee Oil & Gas Onshore LP only | Falfurrias (Rupp) | Brooks | 1 | 476 | 74.8K | Jun 1993 – Jul 1998 |
| Zamora Unit G-4-118256 | Kerr-McGee Oil & Gas Onshore LP only | Tabasco, North (R) | Hidalgo | 1 | 475 | 755K | by Jan 1993 – Feb 2007 |
| McKendrick, W. H. G-4-157835 | Kerr-McGee Oil & Gas Onshore LP only | Cerrito Creek (Lobo) | Webb | 1 | 383 | 73.4K | Mar 1996 – Jun 1996 |
| Kerr O-13-24214 | Gunsight Supply Co. only | Freddie (Congl. 5600) | Clay | 1 | 367 | 381 | by Jan 1993 – Sep 1993 |
| Walker, P. et Al G-10-211746 | Kerr-McGee Oil & Gas Onshore LP only | Quito, East (Cherry Canyon) | Ward | 1 | 361 | 24.4K | Sep 2005 – Jun 2015 |