| -L- Ranch Co. -B- O-2-875 | McGowan Working Partners, Inc. only | Lolita (Marginulina Zone) | Jackson | 7 | 276K | 146K | by Jan 1993 – Aug 2026 |
| West Ranch -A- G-2-212289 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 135K | 184K | May 2005 – Feb 2016 |
| Mitchell, Mary O-2-881 | McGowan Working Partners, Inc. only | Lolita (Marginulina Zone) | Jackson | 5 | 134K | 107K | by Jan 1993 – Aug 2026 |
| -L- Ranch Co. -A- O-2-874 | McGowan Working Partners, Inc. only | Lolita (Marginulina Zone) | Jackson | 12 | 96.3K | 98K | by Jan 1993 – Aug 2026 |
| Allen, J. H. -E- O-2-873 | McGowan Working Partners, Inc. only | Lolita (Marginulina Zone) | Jackson | 3 | 24.3K | 8.7K | by Jan 1993 – Aug 2011 |
| Mitchell Estate O-2-880 | Trinidad Resources, LLC only | Lolita (Marginulina Zone) | Jackson | 4 | 6.8K | 1.4K | by Jan 1993 – Jul 2025 |
| West Ranch State Oil & Gas Unit O-2-7729 | Hilcorp Energy Company only | West Ranch, South (Marginulina) | Jackson | 2 | 5.98K | 101K | by Jan 1993 – Oct 1994 |
| Jackson Estate O-2-8616 | J&G Oil & Gas only | Sandy Creek (Marginulina) | Jackson | 1 | 5.01K | 6.99K | Feb 2001 – Jun 2005 |
| West Ranch -A- G-2-214458 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 4.54K | 31.8K | Jul 2005 – May 2007 |
| Hudgins, T. J. O-2-8285 | Express Oil Co. only | Sandy Creek (Marginulina) | Jackson | 1 | 4.31K | 540 | Jun 1997 – Aug 2001 |
| -L- Ranch O-2-2971 | Miner, R. C. Oil, Inc. only | Lolita (Marginulina Zone) | Jackson | 2 | 4.24K | 71 | by Jan 1993 – May 2016 |
| Jackson Estate G-2-178462 | Miner, R. C. Inc. only | Sandy Creek (Marginulina) | Jackson | 1 | 2.02K | 18.4K | May 2000 – Feb 2001 |
| Donnelly, M.J. O-2-6141 | Rocinante only | El Toro, SW. (6100) | Jackson | 1 | 306 | 0 | May 2000 – Aug 2016 |
| Mo. Pacific Ry. O-2-872 | McGowan Working Partners, Inc. only | Lolita (Marginulina Zone) | Jackson | 2 | 206 | 57 | Jul 2001 – Jan 2004 |
| West Ranch -A- G-2-230810 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 199 | 163K | May 2005 – Aug 2008 |
| West Ranch -A- G-2-254815 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 115 | 2.16K | Dec 2009 – May 2012 |
| West Ranch -A- G-2-214357 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 58 | 288K | Jun 2005 – Aug 2008 |
| West Ranch -A- G-2-135481 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 25 | 375K | Mar 1996 – May 2012 |
| West Ranch -A- G-2-207955 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 18 | 208K | Aug 2004 – Aug 2006 |
| West Ranch -A- G-2-214060 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 11 | 91.7K | Jun 2005 – Mar 2008 |
| West Ranch -A- G-2-206745 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 7 | 235K | Oct 2004 – Jan 2008 |
| Strauss, Mike G-2-188894 | Sue-Ann Operating, L.C. only | Maurbro (Marginulina 5100) | Jackson | 1 | 7 | 53.4K | Jan 2002 – Sep 2002 |
| West Ranch -A- G-2-284677 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 2 | 125K | Dec 2017 – May 2024 |
| Robinson-Cardinal G-2-250567 | Zachry Exploration, LLC only | Briscoe (Catahoula 3050) | Jackson | 1 | 0 | 19K | Nov 2008 – Jun 2011 |
| Lazarus, Lillie O-2-889 | Wadsworth Oil Co. only | Lolita (Marginulina Zone) | Jackson | 1 | 0 | 0 | — |
| West Ranch -A- G-2-133734 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 236K | by Jan 1993 – Aug 2007 |
| West Ranch -A- G-2-139852 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 65.3K | Apr 2005 – Jul 2008 |
| West Ranch -A- G-2-206749 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 114K | Aug 2004 – Dec 2007 |
| West Ranch -A- G-2-214462 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 76.6K | Jul 2005 – May 2012 |
| West Ranch -A- G-2-220113 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 4.87K | Feb 2006 – Aug 2006 |
| West Ranch -A- G-2-230655 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 73.5K | Oct 2005 – Aug 2007 |
| West Ranch -A- G-2-51199 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 0 | — |
| West Ranch -A- G-2-155740 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 0 | — |
| West Ranch -A- G-2-212779 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 224K | Jun 2005 – Sep 2008 |
| West Ranch -A- G-2-214470 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 91.5K | Aug 2005 – Mar 2008 |
| Ten Cate O-2-4871 | McGowan Working Partners, Inc. only | Lolita (Marginulina Zone) | Jackson | 1 | 0 | 0 | — |
| West Ranch -A- G-2-108139 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 129K | by Jan 1993 – Feb 1997 |
| West Ranch -A- G-2-109076 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 26K | by Jan 1993 – May 1993 |
| West Ranch -A- G-2-206746 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 611K | Oct 2004 – Mar 2009 |
| West Ranch -A- G-2-214446 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 75.5K | Jul 2005 – Nov 2007 |
| West Ranch -A- G-2-229486 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 8.36K | Jan 2006 – Aug 2007 |
| West Ranch -A- G-2-250900 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 211K | Aug 2004 – Apr 2007 |
| West Ranch -A- G-2-43037 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 0 | — |
| West Ranch -A- G-2-110403 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 0 | — |
| West Ranch -A- G-2-132587 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 0 | — |
| West Ranch -A- G-2-141390 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 0 | — |
| West Ranch -A- G-2-214463 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 69.6K | Jul 2005 – Nov 2007 |
| West Ranch -A- G-2-233185 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 2.25K | Jan 2008 – May 2008 |
| West Ranch -A- G-2-271763 | Hilcorp Energy Company only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 0 | — |
| Dixon, G. L. G-2-4703 | Vector Corp., The only | West Ranch (Marginulina 5000) | Jackson | 1 | 0 | 0 | — |