| Powledge O-3-20128 | Crimson Exploration Oper., Inc. | Madisonville, S. (Geog. Twn. UP) | Grimes | 1 | 446K | 1.79M | Nov 1998 – Nov 2016 |
| Henderson O-3-22401 | Crimson Exploration Oper., Inc. | Leventhal (Yegua) | Wharton | 1 | 150K | 907K | May 1994 – Oct 2012 |
| Booth O-1-14537 | Crimson Exploration Oper., Inc. | Pearsall (Austin Chalk) | Zavala | 1 | 125K | 66.6K | Jul 2004 – Aug 2014 |
| Coates Energy Trust G-4-140075 | Crimson Exploration Oper., Inc. | San Ramon (8550) | Hidalgo | 1 | 124K | 8.95M | Jan 1993 – Apr 2014 |
| Tortuga-A-Unit O-1-14663 | Crimson Exploration Oper., Inc. | Pearsall (Austin Chalk) | Dimmit | 1 | 113K | 70.3K | Nov 2005 – Jan 2016 |
| Rasmussen G-3-145059 | Crimson Exploration Oper., Inc. | Root'n Toot'n (Yegua) | Wharton | 1 | 112K | 2.91M | Mar 1993 – Sep 1999 |
| Mikeska, George Jr. Unit G-3-159407 | Crimson Exploration Oper., Inc. | Nelsonville ( Wilcox 10,400) | Austin | 1 | 80.7K | 1.27M | May 1996 – Aug 2010 |
| Richards G-3-146554 | Crimson Exploration Oper., Inc. | Round Mott (Yegua) | Wharton | 1 | 75.6K | 2.52M | Sep 1993 – Sep 1999 |
| Hensarling O-3-24082 | Crimson Exploration Oper., Inc. | Madisonville, S. (Geog. Twn. UP) | Madison | 1 | 62.2K | 283K | Mar 2001 – Jan 2010 |
| Henderson, Catherine "a" Unit G-3-256753 | Crimson Exploration Oper., Inc. | Willis Marsh (13200) | Liberty | 1 | 57.6K | 1.19M | Jun 2010 – Mar 2012 |
| Cage Ranch G-4-180769 | Crimson Exploration Oper., Inc. | Ellen (Vicksburg) | Brooks | 1 | 43.6K | 2.44M | Jan 2001 – Apr 2007 |
| Vick, M.Y. O-3-16781 | Crimson Exploration Oper., Inc. | Madisonville, NE (Georgetown) | Madison | 2 | 36.4K | 212K | Jan 1993 – Feb 2007 |
| Heath O-3-18213 | Crimson Exploration Oper., Inc. | Madisonville, S. (Dexter 9250) | Madison | 1 | 33K | 12.4K | Jan 1993 – Oct 2000 |
| Bell, Harry O-3-22823 | Crimson Exploration Oper., Inc. | Iola (Georgetown) | Grimes | 1 | 31.9K | 30.4K | Nov 1994 – Oct 1999 |
| Ouigaux "36" O-10-35804 | Crimson Exploration Oper., Inc. | Maralo (Wolfcamp) | Pecos | 1 | 31.5K | 105K | May 1998 – Jan 2017 |
| Cage Estate -G- G-4-51877 | Crimson Exploration Oper., Inc. | Cage Ranch (8300 Vicksburg) | Brooks | 1 | 27.3K | 3.66M | Jan 1993 – Feb 2008 |
| Carmichael O-3-17710 | Crimson Exploration Oper., Inc. | Madisonville, NE (Georgetown) | Madison | 2 | 26.9K | 47.7K | May 2000 – Dec 2007 |
| Cage Ranch G-4-194235 | Crimson Exploration Oper., Inc. | Cage Ranch (8000 Vicksburg Up.) | Brooks | 1 | 26.6K | 2.7M | Feb 2003 – Jul 2005 |
| Garth -A- O-3-23639 | Crimson Exploration Oper., Inc. | Anahuac, SE. (Nodosaria 1) | Chambers | 1 | 18.1K | 12.8K | Dec 1998 – Dec 2000 |
| Coates G-4-156177 | Crimson Exploration Oper., Inc. | McAllen Ranch (Vicksburg N) | Hidalgo | 1 | 17.6K | 983K | Oct 1995 – Apr 2015 |
| Black Stone Minerals Fee et Al O-3-23004 | Crimson Exploration Oper., Inc. | Village Mills, W. (Wilcox 9150) | Hardin | 1 | 17.1K | 34.3K | Apr 1996 – Jun 2008 |
| Black Stone Minerals Fee G-3-147713 | Crimson Exploration Oper., Inc. | Village Mills, W. (Wilcox 9150) | Hardin | 1 | 16.1K | 659K | Oct 1993 – Dec 2004 |
| Powledge G-3-116484 | Crimson Exploration Oper., Inc. | Madisonville, SW (Sub-Clksville) | Grimes | 1 | 13.2K | 710K | Jan 1993 – Jul 2007 |
| Vastar Resources, Inc. Fee G-3-155383 | Crimson Exploration Oper., Inc. | Village Mills, W. (Wilcox 9150) | Hardin | 1 | 13.2K | 340K | Jun 1995 – Jan 2004 |
| Marberry, M. M. -C- O-2-5497 | Crimson Exploration Oper., Inc. | McFaddin (5300) | Refugio | 1 | 12.1K | 15.2K | Jan 1993 – Nov 1995 |
| Cage Ranch G-4-182258 | Crimson Exploration Oper., Inc. | Ellen, NW (Myrick Consolidated) | Brooks | 1 | 11.4K | 902K | Mar 2001 – Dec 2004 |
| Rogers O-3-16957 | Crimson Exploration Oper., Inc. | Madisonville, West (Georgetown) | Madison | 1 | 11.2K | 4.07K | Jan 1993 – Jun 1997 |
| Morris, E., Mrs., et Al G-3-8069 | Crimson Exploration Oper., Inc. | Raywood (Cook Mtn.) | Liberty | 1 | 10.5K | 2.24M | Jan 1993 – Mar 2003 |
| Robinson G-3-197248 | Crimson Exploration Oper., Inc. | Madisonville, NE (Georgetown) | Madison | 1 | 10.3K | 50.3K | Aug 2003 – Jun 2010 |
| Mikeska G-3-173745 | Crimson Exploration Oper., Inc. | Nelsonville (Wilcox 10,800) | Austin | 1 | 9.49K | 232K | May 1999 – Aug 2010 |
| Wilborn et al Gas Unit G-3-223941 | Crimson Exploration Oper., Inc. | Robinson Lake (Frio 10,500) | Chambers | 1 | 8.99K | 313K | Aug 2006 – Jun 2007 |
| Wells G-3-168656 | Crimson Exploration Oper., Inc. | Duncan (Wilcox) | Wharton | 1 | 7.98K | 1.32M | May 1998 – Sep 2004 |
| Faust O-3-18066 | Crimson Exploration Oper., Inc. | Madisonville (Lewisville 8400) | Madison | 1 | 7.72K | 3.17K | Jan 1993 – Feb 2001 |
| Ford, Marie Welder G-2-125286 | Crimson Exploration Oper., Inc. | Rob Welder (Wilcox 8600) | Victoria | 1 | 6.63K | 422K | Jan 1993 – Nov 2008 |
| Weinheimer G-3-172303 | Crimson Exploration Oper., Inc. | Alwan (Y-250) | Wharton | 1 | 6.59K | 128K | Nov 1998 – Dec 2000 |
| Pilgreen G-2-179367 | Crimson Exploration Oper., Inc. | Speaks, S.W. (5800) | Lavaca | 1 | 6.31K | 797K | Jul 2000 – Sep 2003 |
| Cage Ranch 7072 Gas Unit G-4-159227 | Crimson Exploration Oper., Inc. | Cage Ranch (6900) | Brooks | 1 | 6.12K | 783K | Jun 1996 – Dec 2000 |
| Cage Ranch 7072 Gas Unit G-4-159219 | Crimson Exploration Oper., Inc. | Cage Ranch (6800) | Brooks | 1 | 5.95K | 503K | Jun 1996 – Mar 1998 |
| Cage Ranch G-4-197568 | Crimson Exploration Oper., Inc. | Cage Ranch (Myrick Consolidated) | Brooks | 1 | 5.91K | 235K | Jun 2003 – Jan 2008 |
| Bromberg O-6-13279 | Crimson Exploration Oper., Inc. | Austonio (Cantrell Sd.) | Houston | 1 | 5.43K | 11.4K | Jan 1994 – Jun 2001 |
| Brazil G-3-204818 | Crimson Exploration Oper., Inc. | Hankamer, N. (Vicksburg) | Liberty | 1 | 4.54K | 529K | Jun 2004 – Mar 2008 |
| Faust O-3-23989 | Crimson Exploration Oper., Inc. | Madisonville, S. (Geog. Twn. UP) | Madison | 1 | 4.32K | 30.4K | Feb 2001 – Dec 2007 |
| Weddington, Adeline G-1-78069 | Crimson Exploration Oper., Inc. | Fashing (Edwards Lime -A-) | Karnes | 1 | 4.12K | 3.6M | Jan 1993 – Jun 2014 |
| Harris-Johnson O-3-19955 | Crimson Exploration Oper., Inc. | Madisonville (Woodbine) | Madison | 1 | 3.8K | 28.3K | Jan 1993 – Aug 2007 |
| Steinman Estate Gas Unit #1 G-2-184061 | Crimson Exploration Oper., Inc. | Brushy Creek (Wilcox -S-1-11200) | Lavaca | 1 | 3.78K | 363K | Apr 2000 – Aug 2011 |
| Palmyra G-4-155185 | Crimson Exploration Oper., Inc. | Bob West, North (L-1,L-2,L-3) | Zapata | 1 | 3.48K | 3.91M | Apr 1995 – Feb 2002 |
| Vick, M.Y. G-3-114873 | Crimson Exploration Oper., Inc. | Madisonville, S. (Dexter 9220) | Madison | 1 | 3.41K | 1.13M | Jan 1993 – Aug 2006 |
| Brady G-3-197552 | Crimson Exploration Oper., Inc. | Madisonville, S. (Geog. Twn. UP) | Grimes | 1 | 3.21K | 30K | Feb 2003 – Jun 2013 |
| Moss-Malone Gas Unit G-3-70978 | Crimson Exploration Oper., Inc. | Madisonville (Lewisville 8400) | Madison | 1 | 2.97K | 131K | Jan 1993 – Jul 2007 |
| Lasater,mary M G-4-58863 | Crimson Exploration Oper., Inc. | Proctor (Vicksburg, Upper) | Brooks | 1 | 2.47K | 85.7K | Jan 1993 – Jun 2001 |