| TXL South Unit O-10-20726 | Formentera Operations LLC only | TXL (Tubb) | Ector | 718 | 21.4M | 42.3M | by Jan 1993 – Aug 2026 |
| Huntley South Unit O-11-64383 | Southwest Royalties, Inc. only | Huntley (3400) | Garza | 55 | 4.75M | 657K | by Jan 1993 – Aug 2026 |
| Ft. Stockton South Unit O-10-20364 | Durango Resources Corp. only | Fort Stockton | Pecos | 181 | 3.88M | 1.63M | by Jan 1993 – Jun 2026 |
| Merritt South Unit O-1-15618 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 9 | 2.91M | 2.78M | Oct 2011 – Aug 2026 |
| Richter South Unit O-2-10676 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 7 | 2.09M | 4.12M | Apr 2014 – Aug 2026 |
| Bullfrog 47 South Unit O-10-50989 | Diamondback E&P LLC only | Spraberry (Trend Area) | Howard | 4 | 2M | 4.48M | Dec 2017 – Aug 2026 |
| Korth South Unit A O-2-9784 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 5 | 1.72M | 4.27M | Sep 2012 – Aug 2026 |
| Cooper 27-26 South Unit O-10-51726 | Permian Resources Operating, LLC only | Wolfbone (Trend Area) | Reeves | 4 | 1.49M | 2.86M | Jan 2019 – Aug 2026 |
| Gaskin South Unit A O-2-9572 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 3 | 1.06M | 3.39M | Jan 2011 – Aug 2026 |
| Boydell South Unit O-10-40861 | Texland Petroleum, L.P. only | Boydell, S. (Clear Fork, Lo.) | Andrews | 31 | 995K | 506K | Aug 2011 – Aug 2026 |
| Rose City South Unit O-3-19237 | Brown, Geo. R Partnership,lp,the only | Rose City, South | Orange | 13 | 779K | 847K | by Jan 1993 – Nov 2002 |
| Bighorn South Unit 1-31 O-10-48550 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 1 | 688K | 4.4M | Dec 2016 – Aug 2026 |
| Big Wells South Unit 12 Dim O-1-18746 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 594K | 847K | Mar 2016 – Aug 2026 |
| Billy Hindes-South Unit O-1-16923 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Atascosa | 4 | 591K | 309K | May 2013 – Aug 2026 |
| Teewinot South Unit O-10-51801 | Apache Corporation only | Phantom (Wolfcamp) | Ward | 1 | 554K | 646K | Dec 2018 – Oct 2024 |
| Big Wells South Unit 17 Dim O-1-18879 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 3 | 524K | 1.33M | Oct 2016 – Aug 2026 |
| Chmelar South Unit O-5-4387 | Wildfire Energy Operating LLC only | Aguila Vado (Eagleford) | Burleson | 1 | 503K | 83.1K | May 2017 – Jul 2026 |
| Big Wells South Unit 15 Dim O-1-18884 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 497K | 1.38M | Oct 2016 – Aug 2026 |
| Matthews South Unit O-1-18569 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 2 | 467K | 288K | Oct 2015 – Aug 2026 |
| Big Wells South Unit 14 Dim O-1-18883 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 442K | 1.15M | Oct 2016 – Aug 2026 |
| Cannonade Ranch South Unit No. 1 O-1-18153 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 3 | 406K | 244K | Sep 2013 – Aug 2026 |
| Gibson South Unit 4 Dim O-1-19057 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 367K | 1.1M | Jun 2017 – Aug 2026 |
| EC South Unit O-1-19531 | Trailblazer Energy Resources,llc only | Eagleville (Eagle Ford-1) | Atascosa | 2 | 361K | 248K | Oct 2018 – Aug 2026 |
| Big Wells South Unit 11 Dim O-1-18742 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 354K | 495K | Mar 2016 – Aug 2026 |
| Ruby South Unit 1-39 O-10-45019 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 1 | 345K | 1.2M | Jul 2013 – May 2026 |
| Gibson South Unit 16 Dim O-1-18477 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 321K | 808K | Apr 2015 – Aug 2026 |
| Big Wells South Unit 2 Dim O-1-18255 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 302K | 590K | Jan 2015 – Aug 2026 |
| Ward South Unit O-8-14677 | Petex only | Stephens County Regular | Stephens | 5 | 297K | 9.2K | by Jan 1993 – Aug 2026 |
| Greenhorn South Unit 1-35 O-10-46199 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 2 | 296K | 1.74M | Dec 2014 – Aug 2026 |
| Gibson South Unit 15 Dim O-1-18450 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 294K | 688K | Apr 2015 – Aug 2026 |
| Big Wells South Unit 3 Dim O-1-18880 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 277K | 615K | Oct 2016 – Aug 2026 |
| Gibson South Unit 17 Dim O-1-18453 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 275K | 571K | Apr 2015 – Aug 2026 |
| Gibson South Unit 13 Dim O-1-18027 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 267K | 815K | Sep 2014 – Aug 2026 |
| Gawlik South Unit O-1-19970 | Warwick-Artemis, LLC only | Eagleville (Eagle Ford-1) | Wilson | 1 | 264K | 114K | Oct 2019 – Aug 2026 |
| Gibson South Unit 5 Dim O-1-19056 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 263K | 776K | Jun 2017 – Aug 2026 |
| University 1-24 South Unit O-10-48199 | Elevation Resources LLC only | Emma (Devonian) | Andrews | 1 | 262K | 668K | Aug 2016 – Jul 2026 |
| Gibson South Unit 11 Dim O-1-18025 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 261K | 829K | Sep 2014 – Aug 2026 |
| Big Wells South Unit 13 Dim O-1-18745 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 260K | 343K | Mar 2016 – Aug 2026 |
| Big Wells South Unit 4 Dim O-1-18881 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 249K | 514K | Oct 2016 – Aug 2026 |
| Big Wells South Unit 7 Dim O-1-19567 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 240K | 455K | Nov 2018 – Aug 2026 |
| Big Wells South Unit 16 Dim O-1-18894 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 237K | 851K | Oct 2016 – Aug 2026 |
| Gibson South Unit 18 Dim O-1-18445 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 228K | 551K | Apr 2015 – Aug 2026 |
| Gibson South Unit 8 Dim O-1-17447 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 217K | 370K | Feb 2014 – Aug 2026 |
| Big Wells South Unit 8 Dim O-1-19604 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 208K | 437K | Nov 2018 – Aug 2026 |
| Gibson South Unit 19 Dim O-1-18446 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 204K | 813K | Apr 2015 – Aug 2026 |
| Ludlum South Unit O-8-30493 | R2Q Operating LLC only | Auld (Cisco Sand) | Nolan | 1 | 202K | 0 | Feb 2010 – Aug 2026 |
| Gibson South Unit 12 Dim O-1-18026 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 188K | 466K | Sep 2014 – Aug 2026 |
| Big Wells South Unit I Dim O-1-18263 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 182K | 401K | Jan 2015 – Aug 2026 |
| Huntley South Unit O-11-64382 | Southwest Royalties, Inc. only | Huntley (Glorieta) | Garza | 11 | 161K | 16.7K | by Jan 1993 – Aug 2026 |
| Asherton South Unit O-1-17038 | FW Eagle Ford I, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 140K | 462K | Jan 2013 – Aug 2026 |