| McLain 116 O-14-9244 | Mewbourne Oil Company only | Pan Petro (Cleveland) | Ochiltree | 1 | 87.4K | 657K | Nov 2014 – Apr 2026 |
| McLain a 100 O-14-8303 | Presidio Petroleum LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 86.8K | 634K | Dec 2010 – Apr 2026 |
| McLain-McGarraugh 116/125 O-14-9845 | Mewbourne Oil Company only | Pan Petro (Cleveland) | Ochiltree | 1 | 60.4K | 319K | Feb 2024 – Apr 2026 |
| McLain 99 A O-14-7670 | Presidio Petroleum LLC only | Pan Petro (Cleveland) | Ochiltree | 2 | 48.9K | 117K | Apr 2006 – Jun 2018 |
| McLain, Sam O-14-8713 | H & L Exploration Company, LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 40.2K | 233K | Jul 2011 – Apr 2026 |
| McLain -A- O-14-4285 | Apache Corporation only | Pan Petro (Morrow, Upper) | Ochiltree | 2 | 39.7K | 139K | Jan 1993 – Mar 2006 |
| McLain, Sam O-14-8104 | H & L Exploration Company, LLC only | Dutcher (Cleveland) | Ochiltree | 1 | 39.3K | 119K | Dec 2009 – Jun 2011 |
| McLain O-10-23742 | High Mountain Oil & Gas, LLC only | Abell (Permian-General) | Pecos | 1 | 39.2K | 52.7K | Jan 1993 – Apr 2026 |
| McLain O-14-7531 | J-Brex Company only | Pan Petro (Morrow, Upper) | Ochiltree | 1 | 29.3K | 836K | Aug 2004 – Apr 2026 |
| McLain 98 O-14-8415 | Presidio Petroleum LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 28.8K | 93.6K | Feb 2011 – Apr 2026 |
| McLain, Samuel O-14-2888 | Wildhorse Operating Company only | Dutcher (Cleveland) | Ochiltree | 2 | 24.2K | 60K | Jan 1993 – Apr 2011 |
| McLain O-14-3751 | Wildhorse Operating Company only | Pan Petro (Morrow, Upper) | Ochiltree | 2 | 20.5K | 9.54K | Jan 1993 – Aug 2013 |
| McLain O-14-4856 | Ranjan, Inc. only | Pan Petro (Morrow, Upper) | Ochiltree | 1 | 20.1K | 121K | Jan 1993 – Apr 2026 |
| McLain -B- G-14-21995 | Conocophillips Company only | Ellis Ranch (Keys) | Ochiltree | 1 | 11.6K | 476K | Jan 1993 – Apr 2017 |
| McLain "A" O-14-7489 | Presidio Petroleum LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 10.4K | 25.3K | Feb 2004 – Feb 2016 |
| McLain, Rufus Gas Unit G-6-229670 | Weatherly Oil & Gas, LLC only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 7.84K | 1.36M | Feb 2007 – Feb 2019 |
| McLain, Glen, et Al O-14-2832 | Wildhorse Operating Company only | Buler, North (Morrow, Upper) | Ochiltree | 1 | 7.5K | 15 | Aug 1993 – Aug 2023 |
| McLain O-14-5953 | Natural Gas Anadarko Company only | Lone Butte (Cleveland) | Ochiltree | 1 | 4.92K | 104K | Jan 1993 – Feb 2018 |
| McLain Gas Unit G-6-193878 | Weatherly Oil & Gas, LLC only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 3.12K | 673K | Feb 2003 – Sep 2019 |
| McLain G-13-240125 | Bedrock Production, LLC only | Newark, East (Barnett Shale) | Parker | 1 | 2.74K | 551K | Dec 2007 – Apr 2021 |
| McLain Gas Unit G-6-221445 | Weatherly Oil & Gas, LLC only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 2.31K | 184K | May 2006 – Sep 2017 |
| McLain "A" O-14-4948 | Apache Corporation only | Pan Petro (Morrow, Upper) | Ochiltree | 1 | 2.21K | 7.75K | Jan 1993 – May 1995 |
| McLain, Keith G-14-151920 | Courson Oil & Gas, Inc. only | Pan Petro (Cleveland) | Ochiltree | 1 | 2.09K | 267K | Oct 1994 – Apr 2026 |
| McLain Unit G-14-165348 | Complete Oil & Gas Services, LLC only | Pan Petro (Cleveland) | Hansford | 1 | 1.92K | 1.12M | Jan 1997 – Jan 2008 |
| McLain Unit G-14-163499 | Latigo Petroleum, LLC only | Hansford (Morrow, Lower) | Hansford | 1 | 1.85K | 918K | Mar 1997 – Mar 2026 |
| McLain -D- G-14-142903 | Courson Oil & Gas, Inc. only | Ellis Ranch (Morrow, Upper) | Ochiltree | 1 | 1.78K | 747K | Jan 1993 – Apr 2026 |
| McLain G-14-243624 | Presidio Petroleum LLC only | Buler, North (Morrow, Upper) | Ochiltree | 1 | 1.78K | 1.07M | Sep 2008 – Apr 2026 |
| McLain, Rufus Gas Unit G-6-224648 | Weatherly Oil & Gas, LLC only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 1.55K | 274K | Dec 2006 – May 2013 |
| McLain, Samuel, -D- G-14-21942 | United Oil & Shale LLC only | Buler (Mississippian) | Ochiltree | 1 | 1.51K | 1.23M | Jan 1993 – Aug 2015 |
| McLain -DH- G-14-21909 | Courson Oil & Gas, Inc. only | Pan Petro (Cleveland) | Ochiltree | 1 | 1.14K | 175K | Jan 1993 – Apr 2026 |
| McLain G-14-67110 | King Operating Corporation only | Ellis Ranch (Keys) | Ochiltree | 1 | 1.07K | 932K | Jan 1993 – Apr 2026 |
| McLain Gas Unit G-6-220646 | Weatherly Oil & Gas, LLC only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 1.02K | 130K | Feb 2006 – Sep 2017 |
| McLain, Rufus Gas Unit G-6-225235 | Weatherly Oil & Gas, LLC only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 601 | 211K | Dec 2006 – May 2013 |
| McLain, Rufus G-6-113297 | Weatherly Oil & Gas, LLC only | Naconiche Creek, W. (Pettit) | Nacogdoches | 1 | 582 | 344K | Jan 1993 – Nov 2015 |
| McLain, Keith G-14-21941 | Latigo Petroleum, LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 392 | 539K | Jan 1993 – Mar 2026 |
| McLain G-14-178838 | Mewbourne Oil Company only | Bernstein (Morrow, Upper) | Hansford | 1 | 354 | 663K | Jun 2000 – Apr 2026 |
| McLain, Samuel O-14-8344 | Wildhorse Operating Company only | Pan Petro (Cleveland) | Ochiltree | 1 | 338 | 501 | May 2011 – Jun 2018 |
| McLain Gas Unit G-14-22363 | Amoco Production Company only | Lips, West (Cleveland) | Hansford | 1 | 252 | 159K | Jan 1993 – Jan 1997 |
| McLain O-14-7377 | Natural Gas Anadarko Company only | Haywood (Atoka) | Ochiltree | 1 | 155 | 5.94K | Nov 2000 – Sep 2002 |
| McLain Unit G-14-235427 | Mewbourne Oil Company only | Hansford (Morrow, Lower) | Hansford | 1 | 98 | 421K | Feb 2008 – Apr 2026 |
| McLain Unit G-14-163496 | Latigo Petroleum, LLC only | Hansford (Morrow, Lower) | Hansford | 1 | 47 | 53.5K | May 1996 – Dec 1996 |
| Barr, W. E. O-9-12795 | McLain Exploration, Inc. only | Buffalo Bluff (Goen Sd.) | Runnels | 1 | 12 | 5 | Jan 1993 – May 1993 |
| McLain G-14-79082 | New Arch Energy, LLC only | Archer (Miss) | Hansford | 1 | 0 | 65.3K | Jan 1993 – Apr 2026 |
| McLain O-14-5796 | Midgard Energy Company only | Pan Petro (Cleveland) | Ochiltree | 1 | 0 | 0 | — |
| McLain, Dale G-14-43762 | Davis, Randy only | Pan Petro (Novi) | Ochiltree | 1 | 0 | 39K | May 1993 – Oct 2010 |
| McLain, Glen G-14-32272 | Wildhorse Operating Company only | Buler, North (Morrow, Lower) | Ochiltree | 1 | 0 | 244K | Jan 1993 – Sep 2023 |
| McLain, Keith G-14-22010 | Latigo Petroleum, LLC only | Ellis Ranch (Keys) | Ochiltree | 1 | 0 | 0 | — |
| McLain -DH- G-14-21997 | Courson Oil & Gas, Inc. only | Ellis Ranch (Keys) | Ochiltree | 1 | 0 | 338K | Jan 1993 – Apr 2026 |
| Singer G-1-141936 | McLain Exploration, Inc. only | Paisano Ranch (Gov't. Wells, UP) | McMullen | 1 | 0 | 47.3K | Jan 1993 – Nov 1996 |
| McLain Gas Unit G-6-193879 | Chesapeake Operating, Inc. only | Naconiche Creek (Pettit) | Nacogdoches | 1 | 0 | 0 | — |