| Vastar 1A Unit G-3-162888 | Southcoast Production Inc only | Big Thicket (Upper Yegua EY) | Orange | 1 | 662K | 5.47M | Mar 1997 – Jul 2022 |
| CBR 16-21A-56-1 G-10-291872 | WPX Energy Permian, LLC only | Sandbar (Bone Spring) | Loving | 1 | 473K | 2.53M | Feb 2022 – Aug 2026 |
| CBR 35-38-56-1A G-10-289642 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Loving | 1 | 455K | 2.16M | Dec 2020 – Aug 2026 |
| Mahogany 13-24-56-1A G-10-290420 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Loving | 1 | 435K | 2.56M | May 2021 – Aug 2026 |
| CBR 35-38-56-1A G-10-289522 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Loving | 1 | 394K | 2.16M | Dec 2020 – Sep 2025 |
| Lindsay 2-11A-55-1 G-10-290062 | WPX Energy Permian, LLC only | Sandbar (Bone Spring) | Loving | 1 | 363K | 1.76M | Sep 2020 – Aug 2026 |
| CBR 35-38-56-1A G-10-289517 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Loving | 1 | 356K | 1.79M | Dec 2020 – Aug 2026 |
| CBR 35-38-56-1A G-10-289543 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Loving | 1 | 353K | 1.46M | Dec 2020 – Aug 2026 |
| N. Padre Island 883-L/899-L Unit G-4-181502 | Fieldwood Energy LLC only | Npi 883-L (MT-1A Sand) | N Padre IS-LB | 1 | 317K | 5.91M | Jun 2001 – Nov 2012 |
| CBR 12-1A-56-1 G-10-297871 | WPX Energy Permian, LLC only | Sandbar (Bone Spring) | Loving | 1 | 306K | 1.74M | Jul 2024 – Aug 2026 |
| CBR 35-38-56-1A G-10-289616 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Loving | 1 | 301K | 1.39M | Dec 2020 – Aug 2026 |
| CBR 35-38-56-1A G-10-289540 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Loving | 1 | 279K | 1.21M | Dec 2020 – Aug 2026 |
| Gardendale 1201A G-10-301176 | Continental Resources, Inc. only | Emma (Barnett Shale) | Ector | 1 | 274K | 1.02M | Nov 2024 – Aug 2026 |
| Utl Wyatt Earp 2221A G-10-301006 | Continental Resources, Inc. only | Ruppel (Woodford) | Ward | 1 | 236K | 5.25M | Oct 2025 – Aug 2026 |
| Rader 250X191A G-14-285891 | Unbridled Resources, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 172K | 1.26M | Oct 2018 – Aug 2026 |
| TSL 33105/TR 53/ G-4-195078 | Sabco Operating Company only | Encinal Channel (FB-1A, M-4) | Nueces | 1 | 123K | 5.93M | Feb 2003 – Mar 2010 |
| Vastar 1A Unit G-3-194904 | Southcoast Production Inc only | Big Thicket (Upper Yegua EY) | Orange | 1 | 111K | 1.12M | May 2003 – Jul 2022 |
| TSL 33105/TR 53/ G-4-195589 | White Marlin Operating Co, LLC only | Encinal Channel (FB-1A, M-4) | Nueces | 1 | 34.6K | 2.71M | May 2003 – Jan 2007 |
| Vaquillas Ranch 1631A G-4-160974 | Three-C Oil and Gas only | Vaquillas Ranch (Lobo) | Webb | 1 | 31.7K | 5.85M | Sep 1996 – Oct 2007 |
| TSL 33105/TR 53/ G-4-194843 | White Marlin Operating Co, LLC only | Encinal Channel (FB-1A, M-4) | Nueces | 1 | 27.8K | 2.06M | Apr 2003 – Oct 2011 |
| Mustang Island Block 883-S G-4-179803 | Fieldwood Energy LLC only | Mstg Isl BLK 883 (Marg Tex 1A) | Mustang IS-SB | 1 | 23K | 2.13M | Aug 2000 – May 2008 |
| Vaquillas Ranch 1631A G-4-159951 | Three-C Oil and Gas only | Vaquillas Ranch (Lobo) | Webb | 1 | 12.7K | 3.03M | Jul 1996 – Apr 2023 |
| Mitchell 1A G-9-144726 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 12K | 2.52M | Mar 1993 – Aug 2026 |
| Vaquillas 1631A G-4-138464 | United Resources, LP only | Vaquillas Ranch (Lobo) | Webb | 1 | 10.7K | 749K | by Jan 1993 – Jun 1996 |
| BP 16 Tons G-3-262996 | Davis Southern Operating Co LLC only | Sixteen Tons (Yegua Y-1A) | Tyler | 1 | 9.25K | 46.2K | Oct 2010 – Feb 2014 |
| Carrizo-Apache 1A Unit G-3-212368 | Proline Energy Resources Inc only | Raywood (Cook Mtn. 11200) | Liberty | 1 | 8.37K | 241K | Oct 2005 – Nov 2013 |
| N. Padre Island 883-L/899 L Unit G-4-201170 | Fieldwood Energy LLC only | Npi 883-L (MT-1A Sand) | N Padre IS-LB | 1 | 7.64K | 278K | Apr 2003 – Mar 2013 |
| Smith, Clara C. G-3-155398 | Oryx Energy Company only | Fig Ridge (F-1A) | Chambers | 1 | 7.32K | 745K | Aug 1995 – Oct 1996 |
| Vaquillas 1631A G-4-133824 | Three-C Oil and Gas only | Vaquillas Ranch (Lobo) | Webb | 1 | 7.32K | 1.2M | by Jan 1993 – Apr 2023 |
| Mitchell 1A G-9-140019 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 6.85K | 1.99M | by Jan 1993 – Aug 2026 |
| Cole Trust 11A Unit G-13-203326 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 6.77K | 308K | Jun 2004 – Sep 2021 |
| Mitchell 1A G-9-150257 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 6.46K | 1.89M | Jun 1994 – Aug 2026 |
| Vaquillas 1631A G-4-141003 | Westport Oil and Gas Company, LP only | Vaquillas Ranch (Lobo) | Webb | 1 | 6.02K | 247K | by Jan 1993 – Sep 2003 |
| Mitchell 1A G-9-141739 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 5.79K | 1.84M | by Jan 1993 – Aug 2026 |
| Mendota Ranch 51A G-14-234219 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Hemphill | 1 | 5.65K | 425K | Dec 2007 – Aug 2026 |
| State Tract 444-S Unit G-3-184671 | Fieldwood Energy Offshore LLC only | St. Tr. 444-S (Rob 43-1A) | Brazos-SB | 1 | 5.15K | 2.96M | May 2001 – Dec 2006 |
| State Tract 444-S Unit G-3-186902 | Fieldwood Energy Offshore LLC only | St. Tr. 444-S (Rob 43-1A) | Brazos-SB | 1 | 4.67K | 4.04M | Apr 2001 – Nov 2012 |
| Robbins, J. W. 1A G-10-183046 | XTO Energy Inc. only | Puckett (Strawn) | Pecos | 1 | 3.13K | 614K | Apr 2001 – Jul 2019 |
| Mitchell 1A G-9-166515 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 3.06K | 1.19M | Sep 1997 – Aug 2026 |
| Mitchell 1A G-9-161944 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 2.81K | 1.45M | Nov 1996 – Aug 2026 |
| Mitchell 1A G-9-161617 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 2.34K | 1.1M | Oct 1996 – Aug 2026 |
| S.T. 444-S Unit G-3-142245 | Fieldwood Energy Offshore LLC only | St. Tr. 444-S (Rob 43-1A) | Brazos-SB | 1 | 2.32K | 3.06M | by Jan 1993 – Apr 2008 |
| Mitchell 1A G-9-161618 | Hilcorp Energy Company only | Pakenham (Wolfcamp) | Terrell | 1 | 1.99K | 1.07M | Nov 1996 – Aug 2026 |
| Mendota Ranch 51A G-14-224229 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Hemphill | 1 | 1.7K | 68.8K | Sep 2006 – Aug 2020 |
| McDaniel Ranch Reasoner Unit 1A G-13-238915 | J-Tec Production, LLC only | Newark, East (Barnett Shale) | Erath | 1 | 1.52K | 148K | Oct 2007 – Feb 2016 |
| Arco Johnson 21A G-3-137140 | Hanson Production Company only | Castillo, West (Y-3) | Jasper | 1 | 1.13K | 30.7K | by Jan 1993 – Nov 1993 |
| M. K. Daniel 111A G-1-174866 | Hilcorp Energy Company only | Simpson-Mann (Canyon) | Crockett | 1 | 954 | 1.29M | Oct 1999 – Aug 2026 |
| Shurley RR 1A G-9-215872 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 865 | 479K | Sep 2005 – Jul 2026 |
| Shurley RR 1A G-9-215040 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 594 | 311K | Oct 2005 – Jul 2026 |
| Shurley RR 1A G-9-217486 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 578 | 333K | Nov 2005 – Jul 2026 |