| Carter Unit G-13-201581 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Wise | 1 | 557 | 19.9K | Nov 2003 – Nov 2009 |
| Canyon Ranch G-9-136366 | Enervest Operating, L.L.C. | Sawyer (Canyon) | Sutton | 1 | 549 | 114K | by Jan 1993 – Jan 2005 |
| Reed 31 G-14-219933 | Enervest Operating, L.L.C. | Frye Ranch (Consolidated) | Wheeler | 1 | 507 | 3.14K | Aug 2006 – Jan 2015 |
| Sauder, Jay G-13-202697 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Wise | 1 | 500 | 49.9K | Oct 2004 – Apr 2009 |
| Bloodworth 139 G-9-174449 | Enervest Operating, L.L.C. | Sawyer (Canyon) | Sutton | 1 | 495 | 253K | Aug 1999 – Mar 2013 |
| Mitchell, William G-13-230492 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Parker | 1 | 433 | 1.11M | Feb 2007 – Jul 2017 |
| Kelly 102 G-9-225560 | Enervest Operating, L.L.C. | Sawyer (Canyon) | Sutton | 1 | 395 | 117K | Dec 2006 – Jun 2017 |
| Reed 101 G-9-167727 | Enervest Operating, L.L.C. | Sawyer (Canyon) | Sutton | 1 | 382 | 108K | Feb 1998 – Mar 2009 |
| Elm Creek Ranch 7 G-14-249949 | Enervest Operating, L.L.C. | Hemphill (Douglas) | Hemphill | 1 | 321 | 353 | Feb 2018 – Feb 2018 |
| Fife Unit G-3-182504 | Enervest Operating, L.L.C. | Navasota River (Cretaceous Lwr.) | Washington | 1 | 306 | 2.6M | Mar 2001 – Dec 2008 |
| Flowers 33 O-14-7755 | Enervest Operating, L.L.C. | Hemphill (Douglas) | Hemphill | 1 | 287 | 0 | Apr 2007 – Apr 2007 |
| Person, Otha D. G-2-216677 | Enervest Operating, L.L.C. | Person (Edwards) | Karnes | 1 | 283 | 5.36K | Mar 2006 – Jun 2011 |
| Lindsley A771 G-13-224151 | Enervest Operating, L.L.C. | St. JO Ridge (Barnett Shale) | Cooke | 1 | 262 | 4.12K | Oct 2006 – Aug 2008 |
| Barney Unit G-3-188056 | Enervest Operating, L.L.C. | Navasota River (Cretaceous Lwr.) | Washington | 1 | 260 | 1.96M | May 2001 – Jan 2008 |
| Fenn Ranch O-3-15342 | Enervest Operating, L.L.C. | Giddings (Austin Chalk-3) | Lee | 1 | 253 | 4.77K | by Jan 1993 – May 1993 |
| Hollenbeck B O-9-18141 | Enervest Operating, L.L.C. | Sawyer (Leonard) | Schleicher | 1 | 247 | 60 | Oct 2012 – Mar 2013 |
| Kelly 115 G-9-55398 | Enervest Operating, L.L.C. | Sawyer (Canyon) | Sutton | 1 | 239 | 132K | by Jan 1993 – Feb 2010 |
| Machemehl G-3-192508 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Burleson | 1 | 232 | 168K | Nov 2002 – Jul 2012 |
| Cole 66 G-14-245146 | Enervest Operating, L.L.C. | Begert (10,200) | Hemphill | 1 | 195 | 142K | Dec 2007 – Oct 2017 |
| Freeman GU -1- G-14-22086 | Enervest Operating, L.L.C. | Follett (Morrow) | Lipscomb | 1 | 173 | 178K | by Jan 1993 – Jul 2005 |
| Smalling Unit G-13-224483 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Parker | 1 | 149 | 374K | Sep 2006 – Apr 2015 |
| McFarland G-13-203038 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Parker | 1 | 138 | 71K | Aug 2004 – Aug 2013 |
| McFarland G-13-203383 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Parker | 1 | 107 | 54.5K | Aug 2004 – Oct 2013 |
| Sawyer 168 G-9-98288 | Enervest Operating, L.L.C. | Sawyer (Canyon) | Sutton | 1 | 94 | 144K | by Jan 1993 – Feb 2011 |
| Nelson G-13-216756 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Tarrant | 1 | 90 | 686K | Apr 2006 – May 2011 |
| Crowley 69 JV Unit G-13-227832 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Tarrant | 1 | 80 | 292K | Feb 2007 – Nov 2011 |
| Odom, Sallie "F" Unit NO.3 G-9-122310 | Enervest Operating, L.L.C. | Fort Chadbourne, W. (Gdnr. S) | Coke | 1 | 79 | 966K | by Jan 1993 – Jul 1998 |
| Flowers -D- G-14-128913 | Enervest Operating, L.L.C. | Clementine (Morrow, Upper) | Hansford | 1 | 70 | 596K | by Jan 1993 – Jan 2015 |
| Valis, Frank "A" G-9-73246 | Enervest Operating, L.L.C. | Henry-Speck (Canyon) | Schleicher | 1 | 65 | 28.4K | by Jan 1993 – Aug 2015 |
| Yarnold G-14-68948 | Enervest Operating, L.L.C. | Alpar (Tonkawa) | Hemphill | 1 | 64 | 299K | by Jan 1993 – Nov 2012 |
| Dunbar, Ned G-9-74637 | Enervest Operating, L.L.C. | Sawyer (Canyon) | Sutton | 1 | 62 | 103K | by Jan 1993 – Mar 2009 |
| Allison 54 G-9-193928 | Enervest Operating, L.L.C. | Sawyer (Canyon) | Sutton | 1 | 55 | 32.9K | Aug 2002 – Oct 2008 |
| Richardson 139 G-9-80468 | Enervest Operating, L.L.C. | Sawyer (Canyon) | Sutton | 1 | 54 | 101K | by Jan 1993 – May 2007 |
| Crowley 272 JV G-13-219275 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Tarrant | 1 | 53 | 441K | Apr 2006 – Oct 2010 |
| Mayfield 39 G-9-177097 | Enervest Operating, L.L.C. | Sawyer (Canyon) | Sutton | 1 | 52 | 73.7K | Mar 2000 – Oct 2013 |
| Ridge, Judah G-13-201731 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Tarrant | 1 | 48 | 556K | Feb 2004 – Jun 2011 |
| Meckel G-9-155057 | Enervest Operating, L.L.C. | Sonora (Canyon Upper) | Sutton | 1 | 46 | 70.1K | May 1995 – Feb 2003 |
| Gean, Jim Unit G-13-243111 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Tarrant | 1 | 39 | 231K | Sep 2007 – Sep 2013 |
| Texas Properties G-13-191612 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Denton | 1 | 38 | 301K | Sep 2002 – Jan 2013 |
| Pawelek, Ben A. G-2-52994 | Enervest Operating, L.L.C. | Person (Edwards) | Karnes | 1 | 36 | 40 | Apr 2014 – Apr 2014 |
| Meckel G-9-153627 | Enervest Operating, L.L.C. | Sonora (Canyon Upper) | Sutton | 1 | 34 | 97.2K | Mar 1995 – Feb 2003 |
| Country Corners Unit G-13-235239 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Tarrant | 1 | 32 | 756K | Jul 2007 – Apr 2011 |
| Flanagan G-13-187197 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Denton | 1 | 31 | 272K | Jan 2002 – Aug 2016 |
| Gean, Jim Unit G-13-245668 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Tarrant | 1 | 30 | 427K | Sep 2007 – Sep 2013 |
| Allison 54 G-9-187500 | Enervest Operating, L.L.C. | Sawyer (Canyon) | Sutton | 1 | 28 | 19.5K | Jul 2001 – Nov 2005 |
| Meckel G-9-178014 | Enervest Operating, L.L.C. | Sonora (Canyon Upper) | Sutton | 1 | 26 | 18.5K | Jul 2000 – Jan 2002 |
| Lee, Luther G-13-187854 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Denton | 1 | 24 | 329K | Feb 2002 – Jan 2013 |
| Allison-Miers G-9-104106 | Enervest Operating, L.L.C. | Sawyer (Canyon) | Sutton | 1 | 21 | 251K | by Jan 1993 – Dec 2007 |
| Tyson, R. B. -A- G-14-217324 | Enervest Operating, L.L.C. | Lipscomb (Atoka 9200) | Lipscomb | 1 | 20 | 28.1K | May 2005 – Apr 2014 |
| Vela, E. G-4-94807 | Enervest Operating, L.L.C. | El Peyote (Wilcox 12400) | Jim Hogg | 1 | 20 | 377K | by Jan 1993 – Jul 1997 |