| Guest, C. R., Unit O-6-4795 | HD Operating Co, LLC | Pittsburg (Sub-Clarksville -B-) | 1 | 24.1K | 0 | Nov 2007 – Jul 2024 |
| McGlothin, W. C., Est. O-6-10003 | HD Operating Co, LLC | Pittsburg (Sub-Clarksville) | 1 | 18.8K | 0 | Sep 1995 – Aug 2025 |
| McBee,wm.d.etal-H.freeman UNIT#2 O-6-1130 | Moss Petroleum Company | Newsome (Pittsburg 8200) | 1 | 17.9K | 20 | by Jan 1993 – Apr 2002 |
| Stewart-Reynolds O-6-13959 | HD Operating Co, LLC | Pittsburg (Sub-Clarksville) | 1 | 15.7K | 0 | Sep 1999 – May 2023 |
| Jordan, J. M. O-6-1139 | Pride Energy Company | Newsome (Sub-Clarksville) | 1 | 15.3K | 52 | by Jan 1993 – Jun 2026 |
| McMillan, A. J., Unit O-6-5021 | Merit Energy Company | Pittsburg (Sub-Clarksville -B-) | 1 | 13.1K | 21 | by Jan 1993 – Jan 1999 |
| Vaiden, C. C., Unit O-6-2866 | Moss Petroleum Company | Newsome (Sub-Clarksville) | 1 | 13K | 19 | by Jan 1993 – Mar 2002 |
| Barron "A" O-6-10886 | Fairway Resources Operating, LLC | Newsome (Pittsburg 8200) | 1 | 8.3K | 20 | by Jan 1993 – Oct 2004 |
| Garrett, W. R. O-6-13953 | HD Operating Co, LLC | Pittsburg (Sub-Clarksville) | 3 | 7.99K | 0 | Aug 1999 – Apr 2026 |
| Shrum, M.L. O-6-10495 | HD Operating Co, LLC | Pittsburg (Sub-Clarksville) | 2 | 7.29K | 9 | by Jan 1993 – Jun 2023 |
| Ferndale Club O-6-11401 | HD Operating Co, LLC | Pittsburg (Sub-Clarksville) | 2 | 7.16K | 0 | Oct 1999 – Jul 2023 |
| Strickland, Louie O-6-14105 | HD Operating Co, LLC | Pittsburg (Sub-Clarksville) | 1 | 6.89K | 0 | Jun 2001 – Jul 2026 |
| Spencer O-6-13022 | Blazer Resources, Inc. | Pittsburg | 1 | 6.51K | 176 | by Jan 1993 – Oct 2017 |
| Martin, H. R. Heirs O-6-1145 | Moss Petroleum Company | Newsome (Sub-Clarksville) | 1 | 4.06K | 19 | by Jan 1993 – Nov 1995 |
| Florence-Wessely O-6-12062 | Moss Petroleum Company | Newsome (Sub-Clarksville) | 1 | 3.31K | 19 | by Jan 1993 – Feb 1997 |
| Dinsmore O-6-16084 | Rose City Resources, LLC | Hidden Rock (Cotton Valley Lime) | 1 | 1.93K | 0 | Oct 2024 – Aug 2026 |
| Hardaway O-6-5558 | Marathon Oil Company | Pittsburg | 1 | 1.06K | 21 | by Jan 1993 – Nov 1995 |
| Anderson, Izella O-6-13976 | HD Operating Co, LLC | Pittsburg (Sub-Clarksville) | 2 | 638 | 0 | Mar 2000 – Mar 2025 |
| Lindley Unit O-6-11521 | Moss Petroleum Company | Newsome (Sub-Clarksville) | 1 | 613 | 12 | by Jan 1993 – Dec 1995 |
| Pittsburg Gas Unit 1 G-6-92525 | Valence Operating Company | Pittsburg (Smack Over) | 1 | 186 | 12.1M | by Jan 1993 – Feb 2020 |
| Pittsburg Gas Unit #1 G-6-128012 | Valence Operating Company | Pittsburg (Smack Over) | 1 | 133 | 6.92M | by Jan 1993 – Jun 2019 |
| Pittsburg Gas Unit No. 2 G-6-54568 | Valence Operating Company | Pittsburg (Smack Over) | 1 | 54 | 504K | by Jan 1993 – Jun 2010 |
| Pittsburg Gas Unit No. 3 G-6-54886 | Valence Operating Company | Pittsburg (Smack Over) | 1 | 7 | 1.9M | by Jan 1993 – Feb 2016 |
| Burke G-6-102900 | Dallas Production, Inc. | Pittsburg (Smack Over) | 1 | 4 | 977K | by Jan 1993 – Mar 1995 |
| Cason O-6-11130 | JKJ Oil Company | Newsome (Pittsburg 8200) | 1 | 1 | 1 | Mar 1994 – Mar 1994 |
| Shrum, L. G-6-97207 | Pg&e Resources Company | Pittsburg (Lower Smackover) | 1 | 0 | 0 | — |
| Hatley-Freeman Unit O-6-1137 | Samson Resources Company | Newsome (Sub-Clarksville) | 1 | 0 | 0 | — |
| Young-Johnson O-6-13926 | HD Operating Co, LLC | Pittsburg (Sub-Clarksville) | 1 | 0 | 0 | — |
| Walkers Creek O-6-13932 | Pilgrim's Pride Corporation | Wildcat | 1 | 0 | 0 | — |
| Vaiden O-6-10897 | Fairway Resources Operating, LLC | Newsome (Pittsburg 8200) | 1 | 0 | 0 | — |
| Johnson, S. A. O-6-1138 | Samson Lone Star LP | Newsome (Sub-Clarksville) | 1 | 0 | 5 | Oct 1993 – Nov 1994 |
| Messer, Leon O-6-10413 | Cottonwood Resources, Inc. | Newsome (Sub-Clarksville) | 1 | 0 | 0 | — |
| Beck-Cadman O-6-14049 | HD Operating Co, LLC | Pittsburg (Sub-Clarksville) | 1 | 0 | 0 | — |
| Townsend, I. C., Heirs O-6-5058 | Merit Energy Company | Pittsburg (Sub-Clarksville -B-) | 1 | 0 | 0 | — |
| Knight, H. D. Heirs O-6-4491 | Merit Energy Company | Pittsburg (Sub-Clarksville -B-) | 2 | 0 | 0 | — |
| W.M. Turner Heirs O-6-15321 | HD Operating Co, LLC | Pittsburg (Sub-Clarksville -B-) | 1 | 0 | 0 | — |
| Delhi Disposal G-6-112596 | Sulphur River Exploration, Inc. | Cherokee Trace (Cotton Valley) | 1 | 0 | 0 | — |
| Puckett O-6-4913 | Mitchell Energy Corporation | Pittsburg (Sub-Clarksville) | 1 | 0 | 0 | — |
| Hagen, Pearl O-6-4855 | Merit Energy Company | Pittsburg (Sub-Clarksville) | 1 | 0 | 0 | — |
| Steenson, W.W., Jr. O-6-13524 | Oil Management Corporation | Pittsburg (Sub-Clarksville -B-) | 1 | 0 | 0 | — |
| Florence, Mary O-6-1136 | Pride Energy Company | Newsome (Sub-Clarksville) | 1 | 0 | 0 | — |