| McLendon-Combest O-6-14018 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 3 | 107K | 414K | Apr 2000 – Jul 2026 |
| Stone, E. E. O-6-14042 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 2 | 78.2K | 385K | Oct 2000 – Jul 2026 |
| McLendon-Combest "A" O-6-14386 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 74.7K | 327K | Jan 2005 – Aug 2025 |
| Clemens 'B' O-6-15466 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 68.8K | 281K | Dec 2014 – Jul 2026 |
| Bar K Ranch O-6-15372 | Shoco Production LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 47.7K | 175K | Oct 2014 – Jul 2026 |
| McLendon-Combest "G" O-6-14863 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 40.5K | 396K | Feb 2009 – Jul 2026 |
| Bruton, Trudie O-6-11110 | Cook Exploration Co. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 38.7K | 168K | Jan 1993 – Jul 2026 |
| McLendon-Combest "F" O-6-14704 | Dallas Production, Inc. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 36.5K | 246K | Oct 2007 – Oct 2018 |
| Stone, E.E. 'A' O-6-15685 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 34.8K | 73.6K | Jul 2019 – Jul 2026 |
| Hughes 'A' O-6-15544 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 32.7K | 193K | Jun 2017 – Jul 2026 |
| Hughes 'B' O-6-15398 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 30.9K | 277K | Aug 2014 – Jul 2026 |
| McMurrey O-6-14436 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 30.9K | 257K | Apr 2005 – Jul 2026 |
| Mackey Heirs O-6-14357 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 30K | 621K | Nov 2004 – Jul 2026 |
| McLendon-Combest 'M' O-6-15711 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 27.4K | 150K | Sep 2019 – Jul 2026 |
| McMurrey 'A' O-6-15090 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 26.6K | 188K | Nov 2011 – Jul 2026 |
| Clemens 'A' O-6-15254 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 21.9K | 88.3K | Sep 2013 – Jul 2026 |
| Clemens 'D' O-6-15635 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 21.2K | 85.2K | Sep 2018 – Jul 2026 |
| McMurrey 'D' O-6-15274 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 20K | 227K | Oct 2013 – Jul 2026 |
| Shaw A O-6-15307 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 19.9K | 200K | Jun 2014 – Jul 2026 |
| McLendon-Combest "H" O-6-14862 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 19.4K | 135K | Feb 2009 – Jul 2026 |
| McKinley 'A' O-6-15546 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 17.9K | 145K | Jun 2017 – Jul 2026 |
| Stinchcomb 'A' O-6-15223 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 14K | 86.6K | Mar 2013 – Jul 2026 |
| Mackey Heirs 'J' O-6-15395 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 13.6K | 211K | Jan 2014 – Jul 2026 |
| Clemens 'G' O-6-15780 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 12.9K | 30.8K | Aug 2020 – Jul 2026 |
| Clemens 'E' O-6-15630 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 12.2K | 27.8K | Jul 2018 – Jul 2026 |
| McLendon-Combest "E" O-6-14703 | Dallas Production, Inc. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 9.75K | 11.5K | Oct 2007 – Jan 2016 |
| McMurrey 'B' O-6-15474 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 4.61K | 304K | Aug 2014 – Jul 2026 |
| McLendon-Combest 'J' O-6-15247 | Dallas Production, Inc. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 3.02K | 19.1K | Nov 2012 – Feb 2019 |
| Castleberry, J.J. Estate 'A' O-6-15293 | Dallas Production, Inc. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 2.36K | 20.3K | Mar 2014 – Jan 2018 |
| Mackey Heirs 'H' O-6-15273 | Dallas Production, Inc. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 1.05K | 32.2K | Feb 2013 – Dec 2020 |
| Hughes 'D' O-6-15789 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 1.05K | 14.9K | Nov 2020 – Jul 2026 |
| Clemens 'F' O-6-15783 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 657 | 5.9K | Nov 2020 – Jul 2026 |
| Flwellen, J.J. Estate O-6-16120 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 440 | 5.17K | Apr 2025 – Jul 2026 |
| Mackey Heirs G-6-199064 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 0 | 779K | Dec 2003 – Jul 2026 |
| McMurrey G-6-202244 | Dallas Production, Inc. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 0 | 28.5K | May 2004 – Oct 2005 |
| Mackey Heirs G-6-195675 | Dallas Production, Inc. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 0 | 188K | Jun 2003 – Jan 2005 |
| Culpepper G-6-180654 | Neches Exploration, L.L.C. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 0 | 222K | Dec 2000 – May 2023 |
| Lawrence-Chevron GU SWD G-6-138767 | Craton Operating LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 0 | 827 | Jan 1993 – Nov 2024 |
| Lawrence G-6-137013 | Universal Resources Corp. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 0 | 24K | Jan 1993 – Oct 1998 |
| Lawrence Gas Unit G-6-136150 | Dallas Production, Inc. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 0 | 4.78K | Jan 1993 – May 1994 |
| McLendon-Combest G-6-109973 | Dallas Production, Inc. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 0 | 94.3K | Jan 1993 – Dec 2011 |
| Pine Tree Isd G-6-109324 | H & S Production, Inc. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 0 | 434K | Jan 1993 – Oct 1999 |
| Mackey Heirs G-6-262654 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 0 | 271K | Jun 2011 – Jul 2026 |
| Williams G-6-272018 | Buffco Production Inc. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 0 | 548K | Nov 2013 – Jul 2026 |
| McLendon-Combest 'D' O-6-15820 | Dallas Production Company LLC only | Willow Springs (T.peak Trans.) | Gregg | 1 | 0 | 0 | May 2021 – Jul 2026 |
| Stone, E. E. G-6-107202 | Dallas Production, Inc. only | Willow Springs (T.peak Trans.) | Gregg | 1 | 0 | 128K | Jan 1993 – Jul 2001 |