| Clay Creek G-3-151424 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Washington | 1 | 31.6K | 2.62M | Aug 1994 – May 2011 |
| Foegelle, Adrian O-2-9256 | Enervest Operating, L.L.C. | Labus (Austin) | Karnes | 1 | 30.3K | 115K | Aug 2008 – Nov 2017 |
| Humphreys 60 O-14-7357 | Enervest Operating, L.L.C. | Sparks (Tonkawa) | Hemphill | 1 | 30K | 403K | Jul 2000 – Dec 2012 |
| Odom, Sallie O-9-13901 | Enervest Operating, L.L.C. | Fort Chadbourne | Coke | 2 | 29.5K | 36.7K | Nov 1995 – Jan 2004 |
| Franus Unit O-3-23785 | Enervest Operating, L.L.C. | Giddings (Austin Chalk-3) | Grimes | 1 | 29.1K | 464K | Mar 2000 – Apr 2014 |
| Vastar Fee Unit A-229 O-6-14149 | Enervest Operating, L.L.C. | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 27.2K | 328K | Mar 2002 – Nov 2004 |
| Rathjen G-14-128530 | Enervest Operating, L.L.C. | Britt Ranch W. (Granite Wash a ) | Wheeler | 1 | 26.8K | 1.13M | by Jan 1993 – Jan 2015 |
| Humphreys 28 O-14-7354 | Enervest Operating, L.L.C. | Sparks (Tonkawa) | Hemphill | 1 | 25.5K | 174K | Jun 2000 – Dec 2012 |
| H. L. Terry Unit O-3-23766 | Enervest Operating, L.L.C. | Giddings (Austin Chalk-3) | Brazos | 1 | 25.4K | 387K | Sep 1999 – Jan 2006 |
| McMahan 22 O-14-8575 | Enervest Operating, L.L.C. | Allison-Britt (12350) | Wheeler | 1 | 25.1K | 640K | Oct 2011 – Apr 2013 |
| Wheeler-Wheeler "a" Unit O-3-21724 | Enervest Operating, L.L.C. | Giddings (Austin Chalk-3) | Brazos | 1 | 21.4K | 104K | by Jan 1993 – Dec 2004 |
| Harrell, J. E. O-6-13522 | Enervest Operating, L.L.C. | Shiloh (Travis Peak) | Rusk | 1 | 20.8K | 256K | Feb 1996 – Mar 2006 |
| Donelson 15 O-14-8946 | Enervest Operating, L.L.C. | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 20.4K | 533K | Dec 2012 – Dec 2014 |
| Wheeler-Wheeler 'B' Unit O-3-21678 | Enervest Operating, L.L.C. | Giddings (Austin Chalk-3) | Brazos | 1 | 19.1K | 124K | by Jan 1993 – Feb 2013 |
| Fritsche, M. O-3-13743 | Enervest Operating, L.L.C. | Giddings (Austin Chalk-3) | Fayette | 1 | 18.6K | 69.6K | by Jan 1993 – May 2013 |
| Simon O-3-19391 | Enervest Operating, L.L.C. | Giddings (Austin Chalk-3) | Fayette | 1 | 17.2K | 15 | by Jan 1993 – May 1999 |
| McHenry, R. K. "A" O-3-21978 | Enervest Operating, L.L.C. | Giddings (Austin Chalk-3) | Lee | 3 | 17K | 263K | Aug 1993 – Feb 2000 |
| Wieting Gas Unit O-3-24408 | Enervest Operating, L.L.C. | Chocolate Bayou, S. (S Sd.) | Brazoria | 1 | 15.7K | 55.2K | Mar 2003 – Sep 2003 |
| Stiles G-14-126434 | Enervest Operating, L.L.C. | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 15.5K | 885K | by Jan 1993 – Oct 2013 |
| Ellwood Barrett O-3-25826 | Enervest Operating, L.L.C. | Madisonville, W. (Woodbine -A-) | Madison | 1 | 15.2K | 4.52K | Oct 2011 – Oct 2012 |
| Affirmed Unit O-3-23457 | Enervest Operating, L.L.C. | Giddings (Austin Chalk-3) | Fayette | 1 | 14.9K | 112K | Jun 1997 – Aug 2014 |
| Kiowa -1169-2- O-14-6334 | Enervest Operating, L.L.C. | Nancy (Upper Morrow) | Lipscomb | 1 | 14.2K | 89.1K | by Jan 1993 – Nov 2009 |
| Pruitt Heirs Unit O-13-31016 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Wise | 1 | 13.8K | 401K | Nov 2007 – Mar 2018 |
| Falkenberg B H Unit G-3-148121 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Lee | 1 | 13.5K | 674K | Nov 1993 – Nov 2014 |
| Locke 57 O-14-7696 | Enervest Operating, L.L.C. | Hemphill (Granite Wash.) | Hemphill | 1 | 12.8K | 417K | Jun 2006 – Jun 2019 |
| Wieting, A. M. G-3-172642 | Enervest Operating, L.L.C. | Chocolate Bayou ( Schenck) | Brazoria | 1 | 11.9K | 726K | Mar 1999 – Jun 2001 |
| Stranger, T. O-3-12105 | Enervest Operating, L.L.C. | Giddings (Austin Chalk-3) | Lee | 3 | 11.7K | 504K | by Jan 1993 – May 1998 |
| Grace Unit O-3-24200 | Enervest Operating, L.L.C. | Giddings (Austin Chalk-3) | Fayette | 1 | 11.4K | 636K | Nov 2000 – Dec 2017 |
| Fahle O-6-13783 | Enervest Operating, L.L.C. | Shiloh (Travis Peak) | Rusk | 1 | 11K | 0 | Sep 1997 – Mar 2006 |
| Luker O-14-6588 | Enervest Operating, L.L.C. | Kelton N. (Granite Wash) | Wheeler | 1 | 10.9K | 39.8K | by Jan 1993 – Dec 2009 |
| Basin Royalty G-14-246264 | Enervest Operating, L.L.C. | Frye Ranch (Consolidated) | Wheeler | 1 | 10.8K | 318K | Aug 2008 – May 2013 |
| Britt G-14-118448 | Enervest Operating, L.L.C. | Britt Ranch W. (Granite Wash a ) | Wheeler | 1 | 9.96K | 444K | by Jan 1993 – Aug 2000 |
| Tullio O-13-31891 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Denton | 1 | 9.85K | 364K | Apr 2011 – Jul 2014 |
| Ray G-14-250573 | Enervest Operating, L.L.C. | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 8.99K | 999K | Dec 2008 – Apr 2016 |
| Deason O-6-13927 | Enervest Operating, L.L.C. | Shiloh (Travis Peak) | Rusk | 1 | 8.98K | 40.2K | Mar 1999 – Mar 2006 |
| Edsel Ranch O-3-20404 | Enervest Operating, L.L.C. | Giddings (Austin Chalk-3) | Lee | 2 | 8.82K | 13.3K | by Jan 1993 – Aug 1998 |
| A. M. Holligan Unit G-3-160219 | Enervest Operating, L.L.C. | Iola (Georgetown) | Brazos | 1 | 8.48K | 430K | Aug 1996 – Mar 2004 |
| Ruby Lee G-14-108227 | Enervest Operating, L.L.C. | B & B (Granite Wash) | Wheeler | 1 | 7.83K | 125K | by Jan 1993 – Jan 2015 |
| Kasper Unit G-3-159999 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Fayette | 1 | 7.8K | 167K | Jul 1996 – May 2012 |
| Young 32 O-14-7799 | Enervest Operating, L.L.C. | Wheeler, Ne.(k.c.) | Wheeler | 1 | 7.74K | 22K | Oct 2007 – Feb 2016 |
| Yanta, Edwin O-2-9259 | Enervest Operating, L.L.C. | Labus (Austin) | Karnes | 1 | 6.87K | 18.2K | Oct 2008 – May 2017 |
| Jones, A.A. O-3-21133 | Enervest Operating, L.L.C. | Giddings (Austin Chalk-3) | Brazos | 1 | 6.68K | 214K | by Jan 1993 – Aug 2010 |
| Calcote G-14-241686 | Enervest Operating, L.L.C. | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 6.09K | 550K | Jul 2008 – Jun 2016 |
| Saenger, Otto O-3-14730 | Enervest Operating, L.L.C. | Giddings (Austin Chalk-3) | Lee | 2 | 5.84K | 48.5K | by Jan 1993 – Feb 1995 |
| Terry-Terry Unit O-3-25216 | Enervest Operating, L.L.C. | Giddings (Austin Chalk-3) | Brazos | 1 | 5.81K | 33.1K | Jun 2008 – Mar 2012 |
| Britt G-14-122594 | Enervest Operating, L.L.C. | Britt Ranch W. (Granite Wash a ) | Wheeler | 1 | 5.71K | 622K | by Jan 1993 – Aug 2012 |
| Sauder, Alane G-13-201048 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Wise | 1 | 5.08K | 345K | Jan 2004 – Apr 2014 |
| Follett, GU -2- G-14-22084 | Enervest Operating, L.L.C. | Follett (Morrow) | Lipscomb | 1 | 4.93K | 651K | by Jan 1993 – Dec 2007 |
| Bomhoff "D" O-14-6725 | Enervest Operating, L.L.C. | Horizon (Cleveland) | Ochiltree | 1 | 4.86K | 145K | by Jan 1993 – Apr 2011 |
| Britt G-14-130357 | Enervest Operating, L.L.C. | Britt Ranch W. (Granite Wash a ) | Wheeler | 1 | 4.54K | 631K | by Jan 1993 – Aug 2014 |