| Tubb, J. B. "D" -a/C -2 G-10-59161 | Lario Oil & Gas Company | Sand Hills (McKnight) | 1 | 67K | 530K | by Jan 1993 – Aug 2026 |
| McKnight, M. B. "A" G-10-224883 | Blackbeard Operating, LLC | Sand Hills (Wichita-Albany, Gas) | 1 | 59.7K | 213K | Jun 2006 – Jun 2023 |
| Tucker -A- G-10-51905 | Petx Operating LLC | Abell (Montoya) | 1 | 50.2K | 403K | Oct 2006 – Feb 2019 |
| Tubb, J. B. "D" G-10-76780 | Lario Oil & Gas Company | Sand Hills (Clear Fork 4070) | 1 | 46.2K | 226K | by Jan 1993 – Jul 2021 |
| Waddell TR A G-10-89796 | Blackbeard Operating, LLC | Sand Hills (Judkins) | 1 | 38.1K | 1.65M | by Jan 1993 – Aug 2026 |
| Waddell, W.N. et Al G-10-112899 | Burlington Res O & G Co-Midland | Sand Hills (Judkins) | 1 | 36K | 951K | by Jan 1993 – Oct 2013 |
| Self, M. B. G-10-83247 | Lizard Lick Transport, LLC | McKee (Clear Fork, Mid.) | 1 | 32.8K | 133K | Apr 1993 – Aug 2026 |
| Tubb, J. B. 'B' a/C 2 G-10-62673 | Formentera Operations LLC | Sand Hills (McKnight) | 1 | 32.4K | 1.31M | by Jan 1993 – Aug 2026 |
| Tubb, J. B. "D" G-10-127904 | Formentera Operations LLC | Sand Hills (Tubb) | 1 | 31.6K | 518K | by Jan 1993 – Aug 2026 |
| University "47" G-10-169033 | Formentera Operations LLC | Block 31 (Queen) | 1 | 30.9K | 316K | May 1998 – Aug 2026 |
| Tubb, J. B. G-10-127307 | Ring Energy, Inc. | Sand Hills (McKnight) | 1 | 30.3K | 1.06M | by Jan 1993 – Jun 2026 |
| Tubb, J. B. I G-10-205916 | Slant Operating, LLC | Sand Hills (Wichita Albany, S.) | 1 | 25.8K | 163K | Nov 2004 – Feb 2022 |
| M.B. McKnight G-10-261520 | Blackbeard Operating, LLC | Running W (Wichita-Albany) | 1 | 25.6K | 942K | Sep 2011 – Aug 2026 |
| Tubb, J. B. G-10-75635 | Lario Oil & Gas Company | Sand Hills (McKnight) | 1 | 24.8K | 981K | by Jan 1993 – Mar 2020 |
| Edwards, Janelle Etal G-10-163614 | Pitts Energy Co. | Crawar (Devonian, North) | 1 | 24K | 2.38M | Apr 1997 – Aug 2026 |
| McKnight "A" G-10-59639 | Burnett Oil Co., Inc. | Sand Hills (McKnight) | 1 | 21.9K | 621K | by Jan 1993 – Mar 2014 |
| Block 31 Unit G-10-203839 | Hilcorp Energy Company | Block 31 (Devonian) | 1 | 21.5K | 3.22M | May 2004 – Aug 2026 |
| Waddell TR A G-10-90635 | Blackbeard Operating, LLC | Sand Hills (Judkins) | 1 | 21.2K | 1.27M | by Jan 1993 – Aug 2026 |
| Waddell TR A G-10-90211 | Blackbeard Operating, LLC | Sand Hills (Judkins) | 1 | 20.1K | 837K | by Jan 1993 – Apr 2021 |
| Waddell TR A G-10-90077 | Blackbeard Operating, LLC | Sand Hills (Judkins) | 1 | 19.9K | 810K | by Jan 1993 – Aug 2026 |
| Tubb, J. B. "C" G-10-201683 | Formentera Operations LLC | Sand Hills (McKnight) | 1 | 19.2K | 391K | Jul 2003 – Jan 2023 |
| Waddell TR A G-10-201852 | Blackbeard Operating, LLC | Sand Hills (Judkins) | 1 | 18.7K | 1.28M | Mar 2003 – May 2023 |
| Tubb, J. B. D Acct. #2 G-10-76488 | Lario Oil & Gas Company | Sand Hills (Clear Fork 4070) | 1 | 18.1K | 695K | by Jan 1993 – Jun 2015 |
| Waddell, W. N. et al Tr. I G-10-181777 | Burlington Res O & G Co-Midland | Sand Hills (Tubb) | 1 | 16.9K | 224K | Mar 2001 – Mar 2003 |
| Tubb, J. B. a/C 1 G-10-76972 | Formentera Operations LLC | Sand Hills (McKnight) | 1 | 16.7K | 748K | by Jan 1993 – Aug 2026 |
| Block 31 Unit G-10-226603 | Hilcorp Energy Company | Block 31 (Devonian) | 1 | 16.4K | 4.9M | Jul 2006 – Aug 2026 |
| Tubb, J. B. C G-10-146748 | Formentera Operations LLC | Sand Hills (Tubb) | 1 | 16.4K | 376K | Aug 1993 – Dec 2015 |
| Block 31 Unit G-10-203826 | Hilcorp Energy Company | Block 31 (Devonian) | 1 | 16.2K | 5.02M | Feb 2004 – Aug 2026 |
| Estes G-10-244468 | Olsen Energy Inc. | Phoenix (Silurian) | 1 | 16.2K | 581K | Nov 2008 – Aug 2026 |
| Block 31 Unit G-10-203827 | Hilcorp Energy Company | Block 31 (Devonian) | 1 | 15.5K | 1.72M | Mar 2004 – Aug 2026 |
| Block 31 Unit G-10-279501 | Hilcorp Energy Company | Block 31 (Devonian) | 1 | 15K | 1.94M | Oct 2015 – Aug 2026 |
| Moss State "28" G-10-146036 | Schlagal, Inc. | Troporo (Devonian) | 1 | 14.9K | 270K | May 1993 – Aug 2005 |
| Waddell TR A G-10-201854 | Blackbeard Operating, LLC | Sand Hills (San Angelo) | 1 | 14.4K | 174K | Dec 2003 – Jan 2022 |
| Waddell TR A G-10-226228 | Blackbeard Operating, LLC | Running W (Tubb) | 1 | 14.1K | 618K | Dec 2006 – Feb 2021 |
| Block 31 Unit G-10-279532 | Hilcorp Energy Company | Block 31 (Devonian) | 1 | 13.9K | 4.14M | Oct 2015 – Aug 2026 |
| Block 31 Unit G-10-240433 | Hilcorp Energy Company | Block 31 (Devonian) | 1 | 13.8K | 7.81M | Aug 2007 – Aug 2026 |
| Waddell, W. N. Etal G-10-218515 | Burlington Res O & G Co-Midland | Sand Hills (Wolfcamp) | 1 | 13.6K | 551K | Jul 2006 – Feb 2013 |
| Block 31 Unit G-10-224150 | Hilcorp Energy Company | Block 31 (Devonian) | 1 | 13.4K | 1.79M | Nov 2005 – Aug 2026 |
| Edwards, W. P. G-10-167030 | Citation Oil & Gas Corp. | Waddell (Grayburg) | 1 | 13.1K | 574K | Aug 1997 – Dec 2015 |
| McKnight, M. B. G-10-66712 | Ring Energy, Inc. | Running W (Wichita-Albany) | 1 | 12.9K | 433K | by Jan 1993 – May 2005 |
| Waddell TR A G-10-208048 | Blackbeard Operating, LLC | Sand Hills (Wichita-Albany) | 1 | 12.7K | 372K | Jan 2005 – Dec 2020 |
| University 35 G-10-214565 | Formentera Operations LLC | Block 31 (Devonian) | 1 | 12.2K | 299K | Nov 2005 – Aug 2026 |
| Waddell, W. N. et al Tr. I G-10-183134 | Burlington Res O & G Co-Midland | Sand Hills (Tubb) | 1 | 12.1K | 211K | Nov 2000 – Apr 2014 |
| Tubb, J. B. G-10-178705 | Pitts Energy Co. | Crawar (Devonian) | 1 | 11.9K | 2.84M | Apr 2000 – Dec 2024 |
| Waddell, W. N. Etal G-10-248877 | Burlington Res O & G Co-Midland | Sand Hills (Tubb) | 1 | 11.8K | 349K | Aug 2008 – Nov 2012 |
| Waddell TR 1 G-10-147187 | Blackbeard Operating, LLC | Waddell (Grayburg) | 1 | 11.6K | 688K | Oct 1993 – Aug 2026 |
| Waddell TR A G-10-106188 | Blackbeard Operating, LLC | Sand Hills (Judkins) | 1 | 11.6K | 1.2M | Feb 1994 – Oct 2025 |
| Tubb, J. B. "A" G-10-149722 | Ring Energy, Inc. | Sand Hills (McKnight) | 1 | 11.5K | 725K | Apr 1994 – Aug 2026 |
| Waddell TR A G-10-281557 | Blackbeard Operating, LLC | Sand Hills (Clear Fork 4070) | 1 | 11.4K | 961K | Aug 2016 – Jan 2022 |
| Waddell TR A G-10-116738 | Blackbeard Operating, LLC | Sand Hills (Judkins) | 1 | 11K | 338K | by Jan 1993 – Nov 2022 |