| Maraldo A403 O-2-10945 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 15 | 5.26M | 17.7M | Jan 2014 – Apr 2026 |
| Chop Suey 403 O-11-71214 | Burk Royalty Co., Ltd. only | Platang (San Andres) | Yoakum | 3 | 740K | 2.25M | Nov 2021 – Apr 2026 |
| Maraldo A403 G-2-250474 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 566K | 1.69M | Jun 2010 – Oct 2022 |
| Nutshell 403 O-11-71298 | Burk Royalty Co., Ltd. only | Platang (San Andres) | Yoakum | 3 | 555K | 919K | Oct 2022 – Apr 2026 |
| UL Lead King 344035-16 H O-10-52278 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Ward | 1 | 552K | 1.16M | Jul 2019 – Mar 2026 |
| UL Lead King 344035-16 C O-10-52286 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Ward | 1 | 523K | 1.2M | Jun 2019 – Mar 2026 |
| UL Lead King 344035-16 A O-10-52389 | WPX Energy Permian, LLC only | Two Georges (Bone Spring) | Ward | 1 | 500K | 1.04M | Jul 2019 – Mar 2026 |
| UL Lead King 344035-16 G O-10-51999 | WPX Energy Permian, LLC only | Two Georges (Bone Spring) | Ward | 1 | 467K | 939K | Jul 2019 – Mar 2026 |
| UL Lead King 344035-16 D O-10-52285 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Ward | 1 | 408K | 784K | Jul 2019 – Mar 2026 |
| UL Lead King 344035-16 E O-10-52435 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Ward | 1 | 407K | 803K | Jul 2019 – Mar 2026 |
| South Curtis Ranch 3403SP O-10-57440 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 374K | 1M | Mar 2021 – Apr 2026 |
| Adkins Tidwell 4403 Unit O-10-47593 | OXY USA Inc. only | Spraberry (Trend Area) | Howard | 3 | 355K | 204K | Jul 2015 – Apr 2026 |
| UL Lead King 344035-16 B O-10-52436 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Ward | 1 | 343K | 502K | Jul 2019 – Mar 2026 |
| UL Lead King 4035-16 O-10-48892 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Ward | 1 | 343K | 452K | Dec 2016 – Mar 2026 |
| South Curtis Ranch 3403LP O-10-57439 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 334K | 727K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3403AP O-10-57432 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 261K | 405K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3403DP O-10-57436 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 257K | 471K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3403BP O-10-57433 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 251K | 729K | Mar 2021 – Apr 2026 |
| UL Lead King 344035-16 F O-10-52338 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Ward | 1 | 234K | 646K | Jun 2019 – Mar 2026 |
| Red Hott Cat 4033D O-9-22207 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 189K | 1.46M | Aug 2023 – Mar 2026 |
| Red Hott Cat 4033H O-9-22215 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 187K | 840K | Aug 2023 – Mar 2026 |
| Red Hott Cat 4033C O-9-22206 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 168K | 582K | Aug 2023 – Mar 2026 |
| Red Hott Cat 4033G O-9-22216 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 167K | 1.41M | Aug 2023 – Mar 2026 |
| Red Hott Cat 4033A O-9-22204 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 145K | 552K | Aug 2023 – Mar 2026 |
| Red Hott Cat 4033B O-9-22205 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 138K | 471K | Aug 2023 – Mar 2026 |
| Red Hott Cat 4033F O-9-22214 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 133K | 511K | Aug 2023 – Jul 2025 |
| Red Hott Cat 4033E O-9-22213 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 131K | 826K | Aug 2023 – Mar 2026 |
| Brown H O-2-10328 | Trailblazer Oil & Gas LLC only | Norbee, S. E. (4030) | Bee | 1 | 52.6K | 171K | Jul 2012 – Mar 2025 |
| Rebel 403 O-11-70266 | Reatta Energy, Inc. only | Peg's Draw (Mississippian) | Lynn | 1 | 21.1K | 0 | Nov 2014 – Apr 2026 |
| EF 1403 O-8-28730 | Delta Oil & Gas Ltd. only | Moon, SE. (Marble Falls 3940) | Stephens | 1 | 11.8K | 121K | Jan 2000 – Feb 2016 |
| 8403 JV-P Boch O-11-65287 | BTA Oil Producers only | Boch (Spraberry) | Dawson | 1 | 4.43K | 2.09K | Jan 1993 – Oct 1995 |
| 7403 JV-D Howard "A" G-9-180609 | Libertad Operating LLC only | Ozona (Canyon Sand) | Crockett | 1 | 2.89K | 883K | Dec 2000 – Jan 2026 |
| Sweet, Louis Etal O-8-10283 | Sojourner Drilling Corporation only | Sweet (Cisco 4035) | Nolan | 1 | 2.11K | 113 | Jan 1993 – May 2002 |
| Duncan, Kenneth "A" O-8-15969 | Ross Engineering, Inc. only | Noodle, NW (Canyon Sd. 4030 | Jones | 1 | 1.32K | 6.53K | Jan 1993 – Mar 1997 |
| Schumaker, Alice et Al G-3-212070 | Faulconer, Vernon E., Inc. only | New Taiton (Frio 4030) | Wharton | 1 | 1.18K | 190K | Oct 2004 – Jun 2014 |
| 7403 JV-D Howard "A" G-9-185927 | Libertad Operating LLC only | Howard Draw (Clearfork) | Crockett | 1 | 1.07K | 1.09M | Sep 2001 – Feb 2026 |
| Stormont, et Al G-3-155761 | Eex Corporation only | Lost Fork (Frio 4030) | Jackson | 1 | 918 | 183K | Aug 1995 – Oct 1997 |
| Olivia Pardo O-2-10498 | Petrodome Operating, LLC only | Battle (4030) | Victoria | 1 | 375 | 0 | Nov 2012 – Apr 2013 |
| 7403 JV-D Howard "A" G-9-183482 | Libertad Operating LLC only | Ozona (Canyon Sand) | Crockett | 1 | 180 | 11.8K | May 2001 – Sep 2001 |
| Singer G-4-98866 | Black Bear Oil Corporation only | Tempas (Reklaw 4030-A) | Zapata | 1 | 92 | 75.7K | Dec 2001 – Apr 2016 |
| E F 1403 G-8-176248 | Delta Oil & Gas Ltd. only | Walker-Davis (Duffer 3990) | Stephens | 1 | 31 | 317K | Mar 2000 – Apr 2026 |
| Zboril-Bourland G-3-266656 | Faulconer, Vernon E., Inc. only | New Taiton (Frio 4030) | Wharton | 1 | 3 | 10.7K | Feb 2012 – Jun 2014 |
| State 403 Gas Unit G-4-60063 | Bristol Resources Corporation only | Red Fish Bay-Mus. IS (Common 10) | Nueces | 1 | 0 | 0 | — |
| Stanaland "403" O-8-28245 | Bexco Operating, Inc. only | Jayton, E. (Tannehill) | Stonewall | 1 | 0 | 0 | — |
| Slick, Earl F. et Al G-4-63232 | Rea Oil & Gas, Inc. only | Rincon, E. (Frio 4030) | Starr | 1 | 0 | 0 | — |
| Maraldo a 403 O-2-10736 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 3 | 0 | 0 | — |
| Glasscock 403 SWD O-10-46201 | Goodnight Midstream Permian, LLC only | McDowell (San Andres) | Glasscock | 1 | 0 | 0 | — |
| Gleneagles G-3-244449 | O'Tool Oil & Gas, LLC only | Lost Fork (Frio 4030) | Jackson | 1 | 0 | 195K | Oct 2008 – Oct 2012 |
| Geo-BP / Amoco et al Fee G-3-198750 | Geonatural Resources, Inc. only | Lost Fork (Frio 4030) | Jackson | 1 | 0 | 19.3K | Aug 2003 – May 2004 |
| Ilse-Miller Gas Unit G-3-187133 | Indexgeo & Associates, Inc. only | New Taiton (Frio 4030) | Wharton | 1 | 0 | 158K | Dec 2001 – Feb 2003 |