| TXL South Unit O-10-20726 | Formentera Operations LLC only | TXL (Tubb) | Ector | 718 | 21.3M | 42.2M | Jan 1993 – Apr 2026 |
| Huntley South Unit O-11-64383 | Southwest Royalties, Inc. only | Huntley (3400) | Garza | 55 | 4.74M | 641K | Jan 1993 – Apr 2026 |
| Ft. Stockton South Unit O-10-20364 | Durango Resources Corp. only | Fort Stockton | Pecos | 181 | 3.87M | 1.63M | Jan 1993 – Feb 2026 |
| Merritt South Unit O-1-15618 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 9 | 2.87M | 2.66M | Oct 2011 – Apr 2026 |
| Richter South Unit O-2-10676 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 7 | 2.08M | 4.02M | Apr 2014 – Apr 2026 |
| Bullfrog 47 South Unit O-10-50989 | Diamondback E&P LLC only | Spraberry (Trend Area) | Howard | 4 | 1.99M | 4.29M | Dec 2017 – Apr 2026 |
| Korth South Unit A O-2-9784 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 5 | 1.67M | 4.14M | Sep 2012 – Apr 2026 |
| Cooper 27-26 South Unit O-10-51726 | Permian Resources Operating, LLC only | Wolfbone (Trend Area) | Reeves | 4 | 1.47M | 2.77M | Jan 2019 – Apr 2026 |
| Boydell South Unit O-10-40861 | Texland Petroleum, L.P. only | Boydell, S. (Clear Fork, Lo.) | Andrews | 31 | 983K | 506K | Aug 2011 – Apr 2026 |
| Gaskin South Unit A O-2-9572 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 3 | 783K | 2.84M | Jan 2011 – Dec 2025 |
| Rose City South Unit O-3-19237 | Brown, Geo. R Partnership,lp,the only | Rose City, South | Orange | 13 | 779K | 847K | Jan 1993 – Nov 2002 |
| Bighorn South Unit 1-31 O-10-48550 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 1 | 684K | 4.36M | Dec 2016 – Apr 2026 |
| Snowcrest South Unit 1-33 G-10-282833 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 1 | 655K | 3.43M | Jan 2017 – Apr 2026 |
| Sievers 2-35 South Unit G-10-287434 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 1 | 629K | 2.55M | Apr 2019 – Apr 2026 |
| Big Wells South Unit 12 Dim O-1-18746 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 591K | 832K | Mar 2016 – Apr 2026 |
| Billy Hindes-South Unit O-1-16923 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Atascosa | 4 | 582K | 301K | May 2013 – Mar 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 | 521K | 1.29M | Oct 2016 – Apr 2026 |
| Big Wells South Unit 3 Dim O-1-18880 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 509K | 1.16M | Oct 2016 – Apr 2026 |
| Gran Torino South Unit G-3-281036 | Zarvona Energy LLC only | Beech Grove (Woodbine) | Jasper | 1 | 499K | 3.11M | May 2014 – Mar 2026 |
| Chmelar South Unit O-5-4387 | Wildfire Energy Operating LLC only | Aguila Vado (Eagleford) | Burleson | 1 | 497K | 81.7K | May 2017 – Mar 2026 |
| Big Wells South Unit 15 Dim O-1-18884 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 494K | 1.38M | Oct 2016 – Apr 2026 |
| Matthews South Unit O-1-18569 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 2 | 461K | 287K | Oct 2015 – Apr 2026 |
| Big Wells South Unit 16 Dim O-1-18894 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 446K | 1.28M | Oct 2016 – Apr 2026 |
| Big Wells South Unit 14 Dim O-1-18883 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 439K | 1.14M | Oct 2016 – Apr 2026 |
| Gibson South Unit 9 Dim G-1-300375 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 427K | 1.42M | Jun 2018 – Apr 2026 |
| Sievers 2-35 South Unit G-10-295683 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 1 | 412K | 2.11M | Oct 2023 – Apr 2026 |
| Cannonade Ranch South Unit No. 1 O-1-18153 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 3 | 405K | 231K | Sep 2013 – Apr 2026 |
| Gibson South Unit 20 Dim G-1-300373 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 381K | 1.44M | Jun 2018 – Apr 2026 |
| Gibson South Unit 6 Dim G-1-301225 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 377K | 890K | May 2018 – Apr 2026 |
| Sievers 2-35 South Unit G-10-295601 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 1 | 375K | 2.06M | Oct 2023 – Apr 2026 |
| Gibson South Unit 4 Dim O-1-19057 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 364K | 1.09M | Jun 2017 – Apr 2026 |
| EC South Unit O-1-19531 | Trailblazer Energy Resources,llc only | Eagleville (Eagle Ford-1) | Atascosa | 2 | 357K | 227K | Oct 2018 – Apr 2026 |
| Big Wells South Unit 11 Dim O-1-18742 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 352K | 463K | Mar 2016 – Apr 2026 |
| Gibson South Unit 10 Dim G-1-300374 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 350K | 1.4M | Jun 2018 – Apr 2026 |
| Ruby South Unit 1-39 O-10-45019 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 1 | 345K | 1.2M | Jul 2013 – Apr 2026 |
| Big Wells South Unit 10 Dim G-1-301226 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 336K | 590K | Nov 2018 – Apr 2026 |
| Gibson South Unit 16 Dim O-1-18477 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 318K | 791K | Apr 2015 – Apr 2026 |
| Big Wells South Unit 10 Dim G-1-301227 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 304K | 656K | Nov 2018 – Apr 2026 |
| Gibson South Unit 2 Dim G-1-300260 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 302K | 1.35M | Jun 2018 – Apr 2026 |
| Big Wells South Unit 2 Dim O-1-18255 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 297K | 586K | Jan 2015 – Apr 2026 |
| Ward South Unit O-8-14677 | Petex only | Stephens County Regular | Stephens | 5 | 296K | 9.2K | Jan 1993 – Apr 2026 |
| Greenhorn South Unit 1-35 O-10-46199 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 2 | 294K | 1.72M | Dec 2014 – Apr 2026 |
| Gibson South Unit 15 Dim O-1-18450 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 293K | 687K | Apr 2015 – Apr 2026 |
| Sievers 2-35 South Unit G-10-295682 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 1 | 292K | 1.18M | Oct 2023 – Apr 2026 |
| Gibson South Unit 1 Dim O-1-19493 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 283K | 922K | Jun 2018 – Apr 2026 |
| Gibson South Unit 0 Dim G-1-301064 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 278K | 912K | Jun 2018 – Apr 2026 |
| Gibson South Unit 17 Dim O-1-18453 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 273K | 563K | Apr 2015 – Apr 2026 |
| Greenhorn South Unit 1-35 G-10-283295 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 1 | 270K | 1.34M | Dec 2014 – Apr 2026 |
| Gibson South Unit 13 Dim O-1-18027 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 265K | 806K | Sep 2014 – Apr 2026 |