| Jefferson Airplane G-3-256258 | Cimarex Energy Co. only | Perl (Yegua Middle EY) | Jefferson | 1 | 661K | 10.3M | Dec 2009 – Oct 2013 |
| Jefferson Airplane G-3-255234 | Cimarex Energy Co. only | Perl (Yegua Middle EY) | Jefferson | 1 | 446K | 7.55M | Nov 2009 – Jan 2011 |
| State Lease 60729 O-3-9726 | Jefferson Block 24 Oil & Gas LLC only | High Is. Blk. 24L (FB-a, HC) | High IS-LB | 2 | 430K | 284K | Jan 1993 – Apr 2008 |
| State Lease 60729 O-3-20448 | Jefferson Block 24 Oil & Gas LLC only | High Island Blk. 24-L (FB-a, HF) | High IS-LB | 1 | 397K | 258K | Jan 1993 – Jun 2016 |
| Jefferson Airplane G-3-256688 | Cimarex Energy Co. only | Perl (Yegua Middle EY) | Jefferson | 1 | 263K | 4.46M | Feb 2010 – Dec 2012 |
| Jefferson Land Co. a/C #1 O-3-9043 | Milestone Operating, Inc. only | Lovells Lake (Marg. 2) | Jefferson | 11 | 254K | 322K | Jan 1993 – Mar 2026 |
| Jefferson Land Company O-3-9052 | Milestone Operating, Inc. only | Lovells Lake (Frio 2) | Jefferson | 6 | 236K | 380K | Jan 1993 – Mar 2026 |
| Bridwell Archer Ranch -N- O-13-33691 | Bridwell Oil Co. only | Jefferson, NE. (Caddo Lime) | Archer | 7 | 164K | 89K | Nov 2017 – Apr 2026 |
| State Lease 59455 O-3-9707 | Jefferson Block 24 Oil & Gas LLC only | High Is. Blk. 24L(FB-C, CM-11) | High IS-LB | 1 | 156K | 136K | Jan 1993 – Sep 2001 |
| State Lease 59455 O-3-9695 | Jefferson Block 24 Oil & Gas LLC only | High Is. Blk. 24L (FB-C, GL) | High IS-LB | 3 | 145K | 333K | Jan 1993 – Apr 2001 |
| State Lease 103389 O-3-25415 | Jefferson Block 24 Oil & Gas LLC only | High Is.blk. 24-L (HD SD) | High IS-LB | 1 | 124K | 184K | Jul 2009 – Sep 2015 |
| Russell-Winch G-4-143764 | Arete Operating Company, LLC only | Belle Jeffers (7850) | Webb | 1 | 120K | 2.9M | Jan 1993 – Sep 2019 |
| Jeffers O-11-60947 | Texland Petroleum, L.P. only | Whitharral (Clear Fork, Lo.) | Hockley | 4 | 99.3K | 2.67K | Jan 1993 – Apr 2026 |
| High Island 24L SL 59455 O-3-23388 | Jefferson Block 24 Oil & Gas LLC only | High Is. Blk. 24L (FB-DD, HF) | High IS-LB | 2 | 99.2K | 610K | Nov 1997 – Apr 2009 |
| Garvey O-13-28935 | JDL Operating, LLC only | Jefferson, NE. (Caddo Lime) | Archer | 1 | 73.4K | 0 | Mar 1995 – Apr 2026 |
| Harmonson 80-1 O-13-34052 | B.O.L.D. Oil and Gas, LLC only | Jefferson, NE. (Caddo Lime) | Archer | 4 | 67.9K | 146K | Sep 2021 – Apr 2026 |
| Cowan-McKinney/Garvey Unit O-13-28112 | JDL Operating, LLC only | Jefferson, NE. (Caddo Lime) | Archer | 1 | 66.8K | 87.5K | Jan 1993 – Apr 2026 |
| State Lease 59454 O-3-20820 | Jefferson Block 24 Oil & Gas LLC only | High Is. Blk. 24L (FB-DD, HC) | High IS-LB | 1 | 56.6K | 191K | May 1993 – Jun 2016 |
| High Island 24-L, N/2, NW/4 O-3-26021 | Jefferson Block 24 Oil & Gas LLC only | High Is. Blk. 24L(FB-C, CM-11) | High IS-LB | 1 | 49.5K | 65.9K | Aug 2012 – Jun 2016 |
| High Island 24L SL 59455 G-3-250676 | Jefferson Block 24 Oil & Gas LLC only | High Is. Blk. 24L (FB-DD, HF) | High IS-LB | 1 | 46.8K | 812K | May 2009 – Mar 2013 |
| Andrews Longley O-13-34155 | JMH Production, LLC only | Jefferson, NE. (Caddo Lime) | Archer | 4 | 44.4K | 35.2K | Sep 2022 – Apr 2026 |
| High Island 24L SL59456 O-3-23759 | Jefferson Block 24 Oil & Gas LLC only | High Is. Blk. 24L (FB-E, HC) | High IS-LB | 1 | 42.1K | 141K | Nov 1999 – Jun 2016 |
| High Island 24L SL 59455 O-3-26154 | Jefferson Block 24 Oil & Gas LLC only | High Is. Blk. 24L (FB-DD, HF) | High IS-LB | 1 | 38.5K | 69.5K | Oct 2013 – Jun 2016 |
| Bridwell Archer Ranch -100- O-13-34256 | Bridwell Oil Co. only | Jefferson, NE. (Caddo Lime) | Archer | 2 | 36.2K | 55.4K | Feb 2024 – Apr 2026 |
| Cowan McKinney "R" O-13-28267 | JDL Operating, LLC only | Jefferson, NE. (Caddo Lime) | Archer | 1 | 35.4K | 80.6K | Jan 1993 – Feb 2018 |
| Westfork O-13-34268 | Bridwell Oil Co. only | Jefferson, NE. (Caddo Lime) | Archer | 2 | 34.2K | 36.6K | Mar 2024 – Apr 2026 |
| Jefferson Airplane G-3-258525 | Cimarex Energy Co. only | Perl (Yegua Middle EY) | Jefferson | 1 | 33.8K | 538K | Jun 2010 – Jan 2011 |
| El Gato "A" G-4-143354 | Marwell Petroleum Ltd Partnrship only | Belle Jeffers, East (Lobo) | Webb | 1 | 33.1K | 6.98M | Jan 1993 – Jan 2006 |
| Harmonson 140 O-13-34159 | B.O.L.D. Oil and Gas, LLC only | Jefferson, NE. (Caddo Lime) | Archer | 1 | 31.6K | 16.8K | Dec 2022 – Apr 2026 |
| Jefferson Land Company G-3-190567 | Milestone Operating, Inc. only | Lovells Lake (8700) | Jefferson | 1 | 31.5K | 587K | Aug 2002 – Sep 2005 |
| Jefferson Land Company G-3-196714 | Milestone Operating, Inc. only | Lovells Lake (8700) | Jefferson | 1 | 27.3K | 499K | Jul 2003 – Apr 2011 |
| Jefferson Land Company G-3-190366 | Milestone Operating, Inc. only | Lovells Lake(frio HACKBERRY9000) | Jefferson | 1 | 24.4K | 1.36M | Jul 2002 – Apr 2009 |
| Bridwell Archer Ranch -D- O-13-34383 | Bridwell Oil Co. only | Jefferson, NE. (Caddo Lime) | Archer | 2 | 19.3K | 23.4K | Apr 2025 – Apr 2026 |
| High Island 24-L, N/2, NW/4 G-3-244703 | Jefferson Block 24 Oil & Gas LLC only | High Is. Blk. 24-L (FJ Sand) | High IS-LB | 1 | 18.9K | 1.17M | Aug 2008 – Jul 2012 |
| El Gato "A" G-4-142884 | Marwell Petroleum Ltd Partnrship only | Belle Jeffers, East (Lobo) | Webb | 1 | 18.7K | 3.4M | Jan 1993 – Aug 2008 |
| Cowan & McKinney -E- O-13-1078 | JDL Operating, LLC only | Jefferson, NE. (Caddo Lime) | Archer | 5 | 18.1K | 11.1K | Jan 1993 – Apr 2026 |
| State Lease 59454 G-3-133033 | Jefferson Block 24 Oil & Gas LLC only | High Is. Blk. 24L (FB-D, HC) | High IS-LB | 1 | 18K | 1.55M | Jan 1993 – Jul 2015 |
| El Gato "A" G-4-142248 | Marwell Petroleum Ltd Partnrship only | Belle Jeffers, East (Lobo) | Webb | 1 | 16.5K | 3.18M | Jan 1993 – Aug 2008 |
| Jeffers 28A G-9-227761 | Upp Operating, LLC only | Sawyer (Canyon) | Schleicher | 1 | 16.4K | 817K | Nov 2006 – Apr 2026 |
| Jefferson Land Co. G-3-218755 | Milestone Operating, Inc. only | Lovells Lake(frio HACKBERRY9000) | Jefferson | 1 | 16.3K | 503K | Jun 2006 – Jan 2008 |
| El Gato G-4-144362 | Chesapeake Operating, Inc. only | Belle Jeffers, East (Lobo) | Webb | 1 | 16.2K | 2.21M | Jan 1993 – Jun 2005 |
| Ford, Emma O-6-5434 | McDonald Resources, LLC only | Rodessa (Jefferson-Gloyd) | Marion | 1 | 15.6K | 21 | Jan 1993 – Dec 2011 |
| Andrews Brushy O-13-34154 | JMH Production, LLC only | Jefferson, NE. (Caddo Lime) | Archer | 2 | 15K | 9.91K | Sep 2022 – Apr 2026 |
| Jefferson Land Company G-3-244400 | Milestone Operating, Inc. only | Lovells Lake, North (8400) | Jefferson | 1 | 14.3K | 763K | Oct 2008 – Feb 2011 |
| Warren-Hall O-6-11640 | McDonald Resources, LLC only | Rodessa (Jefferson-Dujie) | Marion | 1 | 13.2K | 617K | Jan 1993 – Mar 2026 |
| Jefferson Land Company G-3-251262 | Milestone Operating, Inc. only | Lovells Lake(frio HACKBERRY9000) | Jefferson | 1 | 13.1K | 465K | Aug 2009 – Feb 2011 |
| Jefferson O-1-14512 | Wagner Oil Company only | Cow Creek (6900) | McMullen | 1 | 13.1K | 11K | Mar 2004 – Feb 2007 |
| Hornady O-13-33873 | Bridwell Oil Co. only | Jefferson, NE. (Caddo Lime) | Archer | 1 | 11.5K | 19.4K | May 2019 – Apr 2026 |
| Russell - Winch G-4-172477 | Arete Operating Company II, LLC only | Belle Jeffers (7850) | Webb | 1 | 10.6K | 1.18M | Feb 1999 – Apr 2026 |
| Jeffers 28A G-9-236281 | Upp Operating, LLC only | Sawyer (Canyon) | Schleicher | 1 | 9.56K | 496K | Jun 2007 – Apr 2026 |