| Flowers /Canyon Sand/ Unit O-8-9713 | Citation Oil & Gas Corp. only | Flowers (Canyon Sand) | Stonewall | 354 | 4.54M | 1.2M | Jan 1993 – Jul 2026 |
| Flowers-Reistino Unit O-3-23079 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Robertson | 4 | 1.19M | 913K | Apr 1996 – Jul 2026 |
| West Flowers Unit O-8-11787 | Grayrock Energy II, LLC only | Flowers, W. (Canyon Sand) | Stonewall | 98 | 1.15M | 600K | Jan 1993 – Jul 2026 |
| East Flowers/Canyon/Unit O-8-10632 | R3 Operating Corporation only | Flowers (Canyon Sand) | Stonewall | 37 | 350K | 58K | Jan 1993 – Jul 2026 |
| Brinkley "A" O-8-4263 | Grayrock Energy II, LLC only | Flowers (Canyon Sand) | Stonewall | 52 | 303K | 190K | Jan 1993 – Jul 2026 |
| Flowers Plantation Unit O-3-22807 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Robertson | 1 | 212K | 53.7K | Aug 1995 – Feb 2000 |
| Roy Flowers O-14-9153 | Courson Oil & Gas, Inc. only | Pan Petro (Cleveland) | Ochiltree | 1 | 208K | 1.02M | Jun 2013 – Jul 2026 |
| Flowers 219 O-14-8770 | Presidio Petroleum LLC only | Pan Petro (Cleveland) | Ochiltree | 4 | 174K | 996K | Jul 2012 – Jul 2026 |
| Flowers 221 O-14-8683 | Presidio Petroleum LLC only | Pan Petro (Cleveland) | Ochiltree | 3 | 173K | 805K | Jun 2012 – Jul 2026 |
| Flowers 132 O-14-7979 | Holmes Exploration, LLC only | Stekoll (Cleveland) | Ochiltree | 1 | 142K | 505K | Mar 2009 – Mar 2012 |
| Flowers 132 O-14-8105 | Courson Oil & Gas, Inc. only | Pan Petro (Cleveland) | Ochiltree | 2 | 136K | 1.72M | Dec 2009 – Jul 2026 |
| Flowers Reistino 108 Unit O-3-26709 | Wildfire Energy Operating LLC only | Giddings (Eagleford) | Robertson | 1 | 130K | 29.1K | Jul 2014 – Jul 2026 |
| Rutherford O-8-30407 | Grayrock Energy II, LLC only | Flowers, W. (Canyon Sand) | Stonewall | 4 | 126K | 23.6K | Aug 2009 – Jul 2026 |
| Flowers O-8-30938 | Texas Royalty Corp. only | Flowers (Canyon Sand) | Stonewall | 4 | 121K | 0 | Feb 2012 – Jul 2026 |
| Flowers 'C' O-14-9375 | LE Norman Operating LLC only | Hemphill (Douglas) | Hemphill | 1 | 119K | 997K | May 2015 – Nov 2016 |
| Flowers "B" O-14-7474 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 2 | 105K | 376K | Dec 2003 – Nov 2021 |
| Annis O-8-4268 | Grayrock Energy II, LLC only | Flowers (Canyon Sand) | Stonewall | 11 | 92.8K | 7.76K | Jan 1993 – Jul 2026 |
| Seaberg, Sophia, Etal O-3-6207 | Bent Wing Energy, LLC only | Martha, South (Flowers) | — | 1 | 80.4K | 5.64K | Jan 1993 – Jul 2026 |
| Barclay, J. F., Etal O-3-5525 | Bent Wing Energy, LLC only | Martha, South (Flowers) | — | 1 | 79.3K | 4.75K | Jan 1993 – Jul 2026 |
| Flowers, Vernon M. O-14-9020 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 74.5K | 1.18M | Feb 2014 – Jul 2026 |
| Flowers 68 O-14-9158 | Presidio Petroleum LLC only | Allen-Parker (Marmaton) | Ochiltree | 1 | 65.1K | 189K | May 2014 – Jul 2026 |
| Flowers 123 O-14-9288 | Encino Operating, LLC only | Pan Petro (Cleveland) | Ochiltree | 2 | 64.8K | 280K | Dec 2014 – Jul 2026 |
| Anselin-Babcock O-3-6218 | Bent Wing Energy, LLC only | Martha, South (Flowers) | — | 4 | 64K | 15.8K | Jan 1993 – Jul 2026 |
| Brinkley, A. S. Jr. O-8-4267 | Grayrock Energy II, LLC only | Flowers (Canyon Sand) | Stonewall | 5 | 63.8K | 14K | Jan 1993 – Jul 2026 |
| Flowers Trust "A" O-14-7210 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 49.1K | 1.28M | Jun 1997 – Jul 2026 |
| Vernon Flowers O-14-5557 | Mmgl Txph, LLC only | Miami, N. (Douglas, Lo. -B-) | Roberts | 4 | 47.9K | 958K | Jan 1993 – Jul 2026 |
| Flowers Ccsl O-14-7829 | Bce-Mach II LLC only | Lard Ranch (Granite Wash) | Roberts | 1 | 46.6K | 480K | Nov 2007 – Jul 2026 |
| Flowers Trust O-14-4713 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 3 | 43.6K | 1.55M | Jan 1993 – Jul 2026 |
| Flowers "B" O-14-6298 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 42.3K | 1.67M | Jan 1993 – Jul 2026 |
| Flowers Trust "B" O-14-7209 | BP America Production Company only | Mendota, NW. (Granite Wash) | Roberts | 2 | 42K | 797K | Jun 1997 – Jul 2005 |
| Seaberg, C. F., -A- O-3-5507 | Bent Wing Energy, LLC only | Martha, South (Flowers) | — | 1 | 35.6K | 22 | Jan 1993 – Jul 2026 |
| Denison's O-8-26075 | Grayrock Energy II, LLC only | Flowers (Canyon Sand) | Stonewall | 2 | 32.9K | 667 | Jan 1993 – Jul 2026 |
| Flowers "A" O-14-7403 | LE Norman Operating LLC only | Hemphill (Douglas) | Hemphill | 1 | 30.8K | 132K | Oct 2001 – Jul 2019 |
| Oso Grande O-8-28721 | Naumann Oil & Gas, Inc. only | Flowers (Canyon Sand) | Stonewall | 1 | 28.2K | 31K | Jan 2000 – May 2015 |
| Flowers C 6 O-14-9013 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 24.2K | 1.17M | Jul 2012 – Jul 2026 |
| Flowers "C" O-14-6574 | Unit Petroleum Company only | Hemphill (Douglas-Oil) | Hemphill | 1 | 24.1K | 274K | Jan 1993 – Nov 2023 |
| Flat Top (165) O-8-23137 | Quail Well Service, Inc. only | Flowers (Canyon Sand) | Stonewall | 2 | 22.9K | 139 | Jan 1993 – Jul 2020 |
| Flowers, H. G. O-8-18885 | Ross Engineering, Inc. only | Flowers (Canyon Sand) | Stonewall | 3 | 22.9K | 20 | Jan 1993 – Jul 2003 |
| Flowers Trust "A" O-14-6329 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | — | 1 | 22K | 1.19M | Jan 1993 – Jul 2026 |
| Flowers, Clem O-14-4174 | BP America Production Company only | Dutcher (Cleveland) | Ochiltree | 2 | 20.7K | 172K | Jan 1993 – Oct 2007 |
| Oso Blanco O-8-28898 | North Fork Operating LP only | Flowers (Canyon Sand) | Stonewall | 1 | 20.5K | 0 | Nov 2000 – Jul 2026 |
| Flowers O-14-7478 | Latigo Petroleum, LLC only | Roadside (Atoka) | Ochiltree | 1 | 17.4K | 313K | Jan 2004 – Jul 2026 |
| Flowers, J.L. "A" O-14-4550 | H-S Exploration only | Paul Harbaugh (Cleveland) | Ochiltree | 1 | 17.2K | 19.5K | Jan 1993 – Jul 2026 |
| Flowers, Vernon M. Estate O-14-4778 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 15.9K | 405K | Jan 1993 – Jul 2026 |
| Flowers, J. B. 'A' O-11-67097 | Onaroll Operating LLC only | Sharon Ridge (Clear Fork) | Scurry | 1 | 15.9K | 119 | Apr 1993 – Jul 2026 |
| Flowers "A" O-14-6310 | Devon Energy Production Co, L.P. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 15.6K | 641K | Jan 1993 – Nov 2014 |
| Matthews O-8-31753 | Texas Royalty Corp. only | Flowers (Canyon Sand) | Stonewall | 2 | 14.7K | 0 | Dec 2013 – Apr 2025 |
| Flat Top Sec. 165 -B- O-8-6555 | Bettis, Boyle & Stovall only | Flowers (Canyon Sand) | Stonewall | 3 | 14.6K | 14 | Jan 1993 – Dec 2000 |
| Hight O-8-29952 | Naumann Oil & Gas, Inc. only | Flowers (Canyon Sand) | Stonewall | 1 | 13.5K | 0 | Jul 2007 – Jul 2026 |
| Flowers O-10-33814 | Smith Pipe of Abilene only | STM (Canyon Reef) | Scurry | 1 | 13.4K | 21.8K | May 1993 – Apr 1996 |