| Winterbotham "F" G-9-225735 | H&P Oil & Gas LLC only | Dove Creek (Cisco) | Irion | 1 | 12K | 223K | Jan 2007 – Aug 2026 |
| Winterbotham Trust "B" G-9-180940 | OXY USA EOR, LLC only | Brooks, South (Cisco 5600) | Irion | 1 | 11K | 549K | Jan 2001 – Dec 2019 |
| Winterbotham G-9-131579 | Verdad Oil & Gas Corporation only | Dove Creek (Canyon -C-) | Irion | 1 | 9.45K | 725K | by Jan 1993 – Dec 2024 |
| Winterbotham 781 G-9-160901 | TXP, Incorporated only | Dove Creek (Canyon -C-) | Irion | 1 | 4.15K | 70K | Dec 1996 – Jun 2000 |
| Winterbotham Heirs G-9-161942 | Apex Operating Partners, LLC only | Brooks, South (Cisco 5600) | Irion | 1 | 3.29K | 1.59M | Jan 1997 – Jul 2026 |
| Winterbotham "780" G-9-137804 | Toc Energy Resources, LLC only | Dove Creek (Canyon -C-) | Irion | 1 | 3.05K | 952K | by Jan 1993 – Aug 2026 |
| Winterbotham "26" G-9-134483 | OXY USA Inc. only | Dove Creek (Canyon -B-) | Tom Green | 1 | 2.91K | 119K | by Jan 1993 – Dec 2013 |
| Winterbotham, J. M. Trust G-9-37812 | Hilcorp Energy Company only | Dove Creek (Canyon -B-) | Irion | 1 | 2.54K | 211K | by Jan 1993 – Aug 2026 |
| Winterbotham "A" G-9-118672 | Hugoton Energy Corporation only | Buttes North (Upper Canyon A) | Irion | 1 | 2.2K | 89.3K | by Jan 1993 – Mar 1996 |
| Winterbotham G-9-138238 | H&P Oil & Gas LLC only | Dove Creek (Cisco) | Irion | 1 | 2.12K | 203K | by Jan 1993 – Aug 2026 |
| Winterbotham "M" G-9-81837 | J & J Services Company only | Dove Creek (Cisco) | Irion | 1 | 1.64K | 16K | by Jan 1993 – Nov 1998 |
| Winterbotham "779" G-9-141053 | Toc Energy Resources, LLC only | Dove Creek (Canyon -C-) | Irion | 1 | 1.63K | 268K | by Jan 1993 – Feb 2016 |
| Winterbotham, J. M. G-9-141326 | Hilcorp Energy Company only | Brooks (Canyon K) | Irion | 1 | 1.61K | 129K | by Jan 1993 – Oct 2016 |
| Winterbotham 30 G-9-89725 | Allison Lease Services LLC only | Brooks, South (Cisco 5600) | Irion | 1 | 1.42K | 170K | by Jan 1993 – Aug 2026 |
| Winterbotham, J. M. G-9-227124 | Hilcorp Energy Company only | Dove Creek (Cisco) | Irion | 1 | 1.38K | 56.3K | Feb 2007 – Aug 2026 |
| Winterbotham "J" G-9-149751 | H&P Oil & Gas LLC only | Dove Creek (Canyon -C-) | Irion | 1 | 1.37K | 463K | Apr 1994 – Aug 2026 |
| Winterbotham "J" G-9-91782 | H&P Oil & Gas LLC only | Dove Creek (Canyon -C-) | Irion | 1 | 1.27K | 571K | by Jan 1993 – May 2026 |
| Winterbotham G-9-114040 | Legacy Reserves Operating LP only | Dove Creek (Canyon -D-) | Irion | 1 | 1.2K | 23.8K | by Jan 1993 – Dec 1994 |
| Winterbotham "29" G-9-120784 | Byrd Operating Company only | Brooks (Canyon K) | Irion | 1 | 1.1K | 82.7K | by Jan 1993 – Nov 2002 |
| Winterbotham "J" G-9-151729 | H&P Oil & Gas LLC only | Dove Creek (Canyon -C-) | Irion | 1 | 1.08K | 309K | Oct 1994 – Aug 2026 |
| Winterbotham G-9-123062 | Brothers Production Company Inc. only | Dove Creek (Cisco) | Irion | 1 | 1.02K | 27.7K | by Jan 1993 – Feb 1995 |
| Winterbotham "29" G-9-120785 | Byrd Operating Company only | Brooks (Canyon K) | Irion | 1 | 996 | 107K | by Jan 1993 – Sep 2003 |
| Winterbotham C G-9-187935 | Cimarex Energy Co. of Colorado only | Buttes North (Upper Canyon B) | Irion | 1 | 984 | 11.2K | Mar 2002 – Mar 2008 |
| Winterbotham G-9-112310 | H&P Oil & Gas LLC only | Dove Creek (Canyon -D-) | Irion | 1 | 903 | 115K | by Jan 1993 – Sep 2017 |
| Winterbotham "J" G-9-107569 | H&P Oil & Gas LLC only | Dove Creek (Canyon -C-) | Irion | 1 | 726 | 244K | by Jan 1993 – Aug 2026 |
| Winterbotham 29 G-9-153250 | Byrd Operating Company only | Brooks (Canyon K) | Irion | 1 | 644 | 35.6K | Jan 1995 – Aug 2000 |
| Winterbotham Heirs G-9-166838 | Apex Operating Partners, LLC only | Brooks, South (Cisco 5600) | Irion | 1 | 563 | 255K | Jul 1997 – Aug 2024 |
| Winterbotham 29 G-9-123204 | THP Operating LLC only | Brooks, South (Cisco 5600) | Irion | 1 | 539 | 119K | by Jan 1993 – Oct 2016 |
| Winterbotham "M" G-9-147383 | Legacy Reserves Operating LP only | Dove Creek (Canyon -D-) | Irion | 1 | 441 | 34.5K | Nov 1993 – Dec 1995 |
| Winterbotham "I" G-9-166210 | Legacy Reserves Operating LP only | Dove Creek (Canyon -D-) | Irion | 1 | 419 | 10.5K | Dec 1997 – Dec 2006 |
| Winterbotham 26 G-9-203095 | Toc Energy Resources, LLC only | Dove Creek, South (6500) | Tom Green | 1 | 397 | 160K | Jun 2004 – Jun 2019 |
| Winterbotham, George S. et Al G-1-80750 | Production Resources, Inc. only | Leona River (Escondido -C-) | Zavala | 1 | 393 | 230K | by Jan 1993 – Jun 2019 |
| Winterbotham "B" G-9-93674 | Legacy Reserves Operating LP only | Dove Creek (Canyon -C-) | Irion | 1 | 350 | 13.5K | by Jan 1993 – Nov 1994 |
| Winterbotham "J" G-9-108382 | Marathon Oil Company only | Dove Creek (Canyon -C-) | Irion | 1 | 277 | 115K | by Jan 1993 – Apr 1994 |
| Winterbotham "J" G-9-93904 | Boaz Energy II Operating, LLC only | Dove Creek (Canyon -D-) | Irion | 1 | 257 | 433K | by Jan 1993 – Sep 2015 |
| Winterbotham "E" G-9-154527 | Siana Oil & Gas only | Dove Creek (Canyon -D-) | Tom Green | 1 | 191 | 29.3K | May 1995 – Mar 2018 |
| Winterbotham -D- G-9-38831 | Hilcorp Energy Company only | Dove Creek (Canyon -D-) | Irion | 1 | 153 | 254K | by Jan 1993 – Aug 2026 |
| Winterbotham "E" G-9-154515 | Siana Oil & Gas only | Dove Creek (Canyon -D-) | Tom Green | 1 | 113 | 9.76K | May 1995 – Aug 2003 |
| Winterbotham "J" G-9-116008 | Hilcorp Energy Company only | Dove Creek (Cisco) | Irion | 1 | 102 | 425K | by Jan 1993 – Aug 2026 |
| Winterbotham "E" G-9-154528 | Siana Oil & Gas only | Dove Creek (Canyon -D-) | Tom Green | 1 | 62 | 52K | May 1995 – Nov 2017 |
| Winterbotham, George S. -B- G-1-84359 | Crimson Exploration Oper., Inc. only | Leona River (Escondido D-1) | Zavala | 1 | 60 | 51.9K | by Jan 1993 – Aug 2008 |
| Winterbotham, J. M. Estate G-1-82273 | Production Resources, Inc. only | Leona River, W. (Escondido D-1) | Zavala | 1 | 36 | 216K | by Jan 1993 – Sep 2019 |
| Winterbotham, J. M. G-9-282038 | Hilcorp Energy Company only | Dove Creek (Canyon Consolidated) | Irion | 1 | 20 | 4.97K | May 2017 – Jan 2021 |
| Winterbotham, George -B- G-1-82274 | Crimson Exploration Oper., Inc. only | Leona River (Escondido D-1) | Zavala | 1 | 20 | 20.7K | May 1994 – Sep 2002 |
| Winterbotham "F" G-9-78274 | Siana Oil & Gas only | Dove Creek (Canyon -B-) | Tom Green | 1 | 20 | 51.8K | by Jan 1993 – Sep 2015 |
| Winterbotham "K" G-9-144953 | TXP, Incorporated only | Dove Creek (Canyon -D-) | Irion | 1 | 17 | 31.3K | Apr 1993 – Aug 2001 |
| Winterbotham "B" G-9-85613 | OXY USA Inc. only | Dove Creek (Canyon -C-) | Irion | 1 | 16 | 56.2K | by Jan 1993 – Nov 2008 |
| Winterbotham 29 G-9-126860 | Parker & Parsley Development Co. only | Brooks, South (Cisco 5600) | Irion | 1 | 7 | 9.45K | by Jan 1993 – Jan 1995 |
| Winterbotham, Geo. S. G-1-84880 | Crimson Exploration Oper., Inc. only | Leona River (Escondido D-1) | Zavala | 1 | 0 | 37.9K | Mar 1999 – Dec 1999 |
| Winterbotham "B" G-9-276136 | Tejas Permian Operating, LLC only | Dove Creek (Canyon -B-) | Irion | 1 | 0 | 3.81K | Dec 2014 – Feb 2022 |