| Terry-Terry Unit G-3-143967 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Brazos | 1 | 263K | 1.76M | Jan 1993 – Feb 2008 |
| Cedar Creek "B" Amarado Unit G-3-146831 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Fayette | 1 | 243K | 2.33M | Jul 1993 – Aug 2009 |
| Waltman G-3-154083 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Brazos | 1 | 239K | 2.34M | Mar 1995 – Feb 2017 |
| Patricia-O.L. Unit G-3-147069 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Fayette | 1 | 229K | 2.86M | Oct 1993 – Sep 2010 |
| McCullough-McCullough Unit G-3-143450 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Brazos | 1 | 181K | 1.53M | Jan 1993 – Apr 2010 |
| Arco Fee Unit A-228 G-6-153489 | Enervest Operating, L.L.C. | Brookeland (Austin Chalk, 8800) | Newton | 1 | 163K | 2.16M | May 1994 – Nov 2001 |
| Moonstone-O.L. Unit G-3-149109 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Fayette | 1 | 140K | 4.1M | Feb 1994 – Dec 2006 |
| Arco-Fee A-259 G-6-153653 | Enervest Operating, L.L.C. | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 139K | 2.34M | Nov 1994 – Oct 2006 |
| Lake-Smith Unit G-3-147607 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Brazos | 1 | 132K | 1.42M | Nov 1993 – Nov 2012 |
| Gaubatz-Yegua Unit G-3-145218 | Enervest Operating, L.L.C. | Clay, NE (Austin Chalk 11350) | Burleson | 1 | 132K | 3.13M | Mar 1993 – Sep 2008 |
| N. Hilton Unit A-350 G-6-181723 | Enervest Operating, L.L.C. | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 115K | 2.49M | Jan 2001 – Feb 2008 |
| Olden-Paull Unit G-3-145451 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Brazos | 1 | 112K | 1.72M | Mar 1993 – Sep 2008 |
| Marrs-Quinn Unit G-3-151151 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Brazos | 1 | 111K | 6.04M | Aug 1994 – Feb 2009 |
| See-Huggins Unit G-3-145491 | Enervest Operating, L.L.C. | Clay, NE (Austin Chalk 11350) | Burleson | 1 | 104K | 2.18M | Feb 1993 – Jun 2012 |
| See-Yegua Unit G-3-142842 | Enervest Operating, L.L.C. | Clay, NE (Austin Chalk 11350) | Burleson | 1 | 101K | 2.22M | Jan 1993 – Sep 2007 |
| Yegua-Schawe Unit G-3-147595 | Enervest Operating, L.L.C. | Clay, NE (Austin Chalk 11350) | Burleson | 1 | 95.1K | 2.3M | Nov 1993 – Oct 2013 |
| Butler G-3-152845 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Washington | 1 | 81.5K | 2.46M | Nov 1994 – Feb 2015 |
| Britt G-14-270579 | Enervest Operating, L.L.C. | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 64.7K | 121K | May 2013 – May 2014 |
| Dallmeyer Unit G-3-163806 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Washington | 1 | 60.1K | 1.32M | May 1997 – Jul 2013 |
| Martindale-McGraw Unit A-33 G-6-167871 | Enervest Operating, L.L.C. | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 56.4K | 1.01M | Sep 1997 – May 2011 |
| Dunlap-Keyser Unit G-3-148011 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Brazos | 1 | 54K | 1.77M | Nov 1993 – May 1998 |
| Tison-Geudry Unit G-3-146847 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Brazos | 1 | 53.7K | 899K | Sep 1993 – Oct 2007 |
| Falkenberg BH Unit G-3-153583 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Lee | 1 | 45.2K | 2.09M | Oct 1994 – Dec 2013 |
| Blackstone Minerals Unit A-956 G-6-160926 | Enervest Operating, L.L.C. | Brookeland (Austin Chalk, 8800) | Newton | 1 | 43K | 847K | Aug 1996 – Jul 2007 |
| Yegua-Porter Unit G-3-150305 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Burleson | 1 | 41.3K | 946K | Feb 1994 – Mar 2005 |
| Puryear G-14-124240 | Enervest Operating, L.L.C. | Britt Ranch W. (Granite Wash a ) | Wheeler | 1 | 40.2K | 1.08M | Jan 1993 – Jun 2013 |
| Butler G-3-153696 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Washington | 1 | 37K | 2.79M | Jan 1995 – Dec 2014 |
| Kotara-Janysek G-2-157823 | Enervest Operating, L.L.C. | Person (Edwards) | Karnes | 1 | 35.3K | 606K | Feb 1996 – May 2018 |
| Clay Creek G-3-151424 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Washington | 1 | 31.6K | 2.62M | Aug 1994 – May 2011 |
| Rathjen G-14-128530 | Enervest Operating, L.L.C. | Britt Ranch W. (Granite Wash a ) | Wheeler | 1 | 26.8K | 1.13M | Jan 1993 – Jan 2015 |
| Stiles G-14-126434 | Enervest Operating, L.L.C. | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 15.5K | 885K | Jan 1993 – Oct 2013 |
| 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 |
| Wieting, A. M. G-3-172642 | Enervest Operating, L.L.C. | Chocolate Bayou ( Schenck) | Brazoria | 1 | 11.9K | 726K | Mar 1999 – Jun 2001 |
| 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 | Jan 1993 – Aug 2000 |
| Ray G-14-250573 | Enervest Operating, L.L.C. | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 8.99K | 999K | Dec 2008 – Apr 2016 |
| 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 | 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 |
| Calcote G-14-241686 | Enervest Operating, L.L.C. | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 6.09K | 550K | Jul 2008 – Jun 2016 |
| Britt G-14-122594 | Enervest Operating, L.L.C. | Britt Ranch W. (Granite Wash a ) | Wheeler | 1 | 5.71K | 622K | 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 | Jan 1993 – Dec 2007 |
| Britt G-14-130357 | Enervest Operating, L.L.C. | Britt Ranch W. (Granite Wash a ) | Wheeler | 1 | 4.54K | 631K | Jan 1993 – Aug 2014 |
| Reamer G-3-162507 | Enervest Operating, L.L.C. | Giddings (Austin Chalk, Gas) | Grimes | 1 | 4.22K | 62.5K | Jan 1997 – Aug 2006 |
| Wade, L. S. G-3-189074 | Enervest Operating, L.L.C. | Navasota River (Cretaceous Lwr.) | Brazos | 1 | 4K | 958K | Dec 2001 – Jun 2012 |
| Coates G-14-232949 | Enervest Operating, L.L.C. | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 3.97K | 481K | Mar 2007 – Jun 2015 |
| Commander Unit G-13-249898 | Enervest Operating, L.L.C. | Newark, East (Barnett Shale) | Parker | 1 | 3.95K | 350K | Aug 2007 – Jun 2012 |
| Pawelek, Ben G-2-127124 | Enervest Operating, L.L.C. | Person (Edwards) | Karnes | 1 | 3.87K | 462K | Jan 1993 – Jul 2007 |
| Prater G-14-217353 | Enervest Operating, L.L.C. | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 3.72K | 688K | Apr 2006 – Sep 2013 |