| Winterbotham Zav O-1-15744 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 57 | 16M | 9.21M | Apr 2012 – Apr 2026 |
| Winterbotham-Commerce Unit O-1-19616 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 2 | 575K | 1.72M | Jul 2019 – Apr 2026 |
| KM-Winterbotham Unit Zav O-1-19418 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 1 | 515K | 247K | Nov 2018 – Apr 2026 |
| Winterbotham-TN Unit Zav O-1-19779 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 1 | 448K | 182K | Oct 2019 – Apr 2026 |
| TS-Winterbotham Unit Zav O-1-19754 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 1 | 381K | 266K | Sep 2019 – Apr 2026 |
| Winterbotham A-114 O-9-23095 | Walter Oil & Gas Corporation only | Dove Creek (Canyon -C-) | Irion | 1 | 91.1K | 143K | Apr 2025 – Mar 2026 |
| Winterbotham "E" O-9-7327 | Fortune Energy, Inc. only | Dove Creek (Canyon -C-) | Tom Green | 4 | 78K | 1.03M | Jan 1993 – Mar 2026 |
| Winterbotham 781 O-9-15008 | Toc Energy Resources, LLC only | Dove Creek (Canyon -C-) | Irion | 1 | 59.6K | 764 | Jun 2000 – Mar 2026 |
| Winterbotham -28- O-9-7023 | Eagle Capital Partners, LLC only | Dove Creek (Canyon -D-) | Tom Green | 5 | 57.4K | 263K | Jan 1993 – Aug 2021 |
| Winterbotham 'A' O-9-14398 | Walter Oil & Gas Corporation only | Buttes North (Upper Canyon A) | Irion | 1 | 48.4K | 387K | Mar 1996 – Apr 2026 |
| Winterbotham "H" O-9-8257 | H&P Oil & Gas LLC only | Dove Creek (Canyon -D-) | Tom Green | 1 | 40.6K | 757K | Jan 1993 – Mar 2026 |
| Winterbotham "B" O-9-8255 | Legacy Reserves Operating LP only | Dove Creek (Canyon -C-) | Irion | 2 | 39.4K | 539K | Jan 1993 – Jan 2011 |
| Winterbotham O-9-5952 | Fortune Energy, Inc. only | Las Perlas (Canyon Sd.) | Irion | 2 | 37.4K | 295K | Jan 1993 – Mar 2026 |
| Winterbotham "D" O-9-7959 | H&P Oil & Gas LLC only | Dove Creek (Canyon -D-) | Irion | 2 | 37.2K | 156K | Jan 1993 – Mar 2026 |
| Winterbotham "34" O-9-12485 | DSR Oil & Gas, Inc. only | Dove Creek (Canyon -B-) | Irion | 1 | 30.9K | 134K | Jan 1993 – May 2024 |
| Winterbotham "F" O-9-8522 | H&P Oil & Gas LLC only | Dove Creek (Canyon -D-) | Irion | 6 | 30.7K | 281K | Jan 1993 – Feb 2018 |
| Winterbotham "34" O-9-13539 | DSR Oil & Gas, Inc. only | Dove Creek (Canyon -D-) | Irion | 1 | 29K | 97.5K | Oct 1993 – May 2014 |
| Winterbotham, John M. O-3-10632 | Magnum Producing & Operating Co. only | Nelsonville (Moudry a-1, S.) | Austin | 1 | 28.4K | 92.1K | Jan 1993 – Jul 1999 |
| Winterbotham "C" O-9-10130 | H&P Oil & Gas LLC only | Dove Creek (Canyon -D-) | Irion | 4 | 27.6K | 273K | Jan 1993 – Mar 2026 |
| Winterbotham, J. M. O-9-7843 | OXY USA Inc. only | Dove Creek (Canyon -D-) | Irion | 2 | 24.1K | 154K | Jan 1993 – Mar 2014 |
| Winterbotham O-9-6023 | Hilcorp Energy Company only | Las Perlas (Canyon Sd.) | Irion | 2 | 24.1K | 427K | Jan 1993 – Apr 2026 |
| Winterbotham O-9-3682 | Schkade Exploration only | Dove Creek (San Angelo) | Irion | 8 | 22K | 99 | Jan 1993 – May 2015 |
| Winterbotham "C" O-9-12909 | Verdad Oil & Gas Corporation only | Dove Creek (Canyon -D-) | Irion | 1 | 21.1K | 146K | Jan 1993 – Jun 2015 |
| Winterbotham O-9-10392 | Legacy Reserves Operating LP only | Dove Creek (Canyon -D-) | Irion | 2 | 20.8K | 704K | Jan 1993 – Jun 2012 |
| Winterbotham O-9-4865 | Schkade Exploration only | Dove Creek, E. (Clear Fork 1075) | Tom Green | 7 | 20.6K | 97 | Jan 1993 – May 2015 |
| Winterbotham -D- O-9-6942 | Fortune Energy, Inc. only | Dove Creek (Canyon -D-) | Irion | 5 | 19.9K | 210K | Jan 1993 – Jul 2017 |
| Winterbotham "41" O-9-13327 | DSR Oil & Gas, Inc. only | Brooks (Canyon K) | Irion | 1 | 19.8K | 220K | Jan 1993 – Apr 2026 |
| Winterbotham "41" O-9-12670 | DSR Oil & Gas, Inc. only | Velrex (Henderson Upper) | Irion | 1 | 19.7K | 136K | Jan 1993 – Apr 2026 |
| Winterbotham "I" O-9-10590 | H&P Oil & Gas LLC only | Dove Creek (Canyon -D-) | Irion | 4 | 15.4K | 244K | Jan 1993 – Feb 2018 |
| Winterbotham '4A' O-9-15555 | Fortune Energy, Inc. only | Dove Creek (Cisco) | Irion | 1 | 15.2K | 135K | Jun 2004 – Feb 2018 |
| Winterbotham, -A- O-9-6027 | Fortune Energy, Inc. only | Las Perlas (Canyon Sd.) | Irion | 2 | 14.9K | 62.6K | Jan 1993 – Oct 2021 |
| Winterbotham "K" O-9-10810 | Legacy Reserves Operating LP only | Dove Creek (Canyon -C-) | Irion | 5 | 14.6K | 146K | Jan 1993 – Mar 2002 |
| Winterbotham "B" O-9-9945 | Walter Oil & Gas Corporation only | Buttes North (Upper Canyon A) | Irion | 3 | 12.9K | 478K | Jan 1993 – Apr 2026 |
| Winterbotham "B" O-9-7784 | H&P Oil & Gas LLC only | Dove Creek (Canyon -D-) | Irion | 2 | 12.7K | 267K | Jan 1993 – Mar 2026 |
| Winterbotham, J.M. Trust "B" O-9-11966 | OXY USA Inc. only | Dove Creek (Cisco) | Irion | 1 | 11.9K | 73.8K | Jan 1993 – Sep 2012 |
| Winterbotham "34" O-9-12547 | Mills, Pete only | Dove Creek (Canyon -C-) | Irion | 1 | 11.8K | 52.2K | Jan 1993 – May 1998 |
| Winterbotham "F" G-9-225735 | H&P Oil & Gas LLC only | Dove Creek (Cisco) | Irion | 1 | 11.8K | 222K | Jan 2007 – Mar 2026 |
| Winterbotham O-9-14430 | Cimarex Energy Co. of Colorado only | Buttes North (Upper Canyon A) | Irion | 1 | 11.4K | 184K | Jun 1996 – Jan 2013 |
| Winterbotham 33-1 O-9-12902 | OXY USA Inc. only | Dove Creek (Canyon -D-) | Irion | 1 | 11.1K | 50.9K | Jan 1993 – Sep 2021 |
| Winterbotham Trust "B" G-9-180940 | OXY USA EOR, LLC only | Brooks, South (Cisco 5600) | Irion | 1 | 11K | 549K | Jan 2001 – Dec 2019 |
| Winterbotham "F" O-9-13556 | Legacy Reserves Operating LP only | Dove Creek (Cisco) | Irion | 1 | 10.9K | 132K | Sep 1993 – Dec 2006 |
| Winterbotham -B- O-9-431 | COG Operating LLC only | Dove Spring (Canyon) | Irion | 1 | 10.8K | 48.3K | Jan 1993 – Nov 2014 |
| Winterbotham, John M. O-3-23718 | Magnum Producing, LP only | Nelsonville ( Wilcox 9,200) | Austin | 1 | 10.7K | 56.7K | Aug 1999 – Aug 2003 |
| Winterbotham "A" O-9-8241 | Legacy Reserves Operating LP only | Dove Creek (Canyon -D-) | Irion | 2 | 10.2K | 156K | Jan 1993 – May 2007 |
| Winterbotham -K- O-9-11716 | Hilcorp Energy Company only | Dove Creek (Canyon -D-) | Irion | 1 | 9.8K | 433K | Jan 1993 – Mar 2026 |
| Winterbotham G-9-131579 | Verdad Oil & Gas Corporation only | Dove Creek (Canyon -C-) | Irion | 1 | 9.45K | 725K | Jan 1993 – Dec 2024 |
| Winterbotham "27" O-9-10110 | Irion Corporation, The only | Brooks (Canyon K) | Irion | 4 | 8.2K | 372K | Jan 1993 – Mar 2014 |
| Winterbotham "K" O-9-15662 | TXP, Incorporated only | Dove Creek (Canyon -D-) | Irion | 1 | 6.82K | 119K | Feb 2005 – Mar 2026 |
| Winterbotham "B" O-9-14750 | COG Operating LLC only | Dove Creek (Canyon -B-) | Irion | 1 | 6.18K | 42.6K | Mar 1998 – Nov 2014 |
| Winterbotham "A" O-9-9609 | Hugoton Energy Corporation only | Buttes North (Upper Canyon B) | Irion | 1 | 6.09K | 49.3K | Jan 1993 – Mar 1996 |