| University "G" G-10-172554 | Contango Resources, LLC only | Embar (Yates) | Andrews | 1 | 0 | 24.1K | Feb 1999 – Sep 2014 |
| Embar -B- O-10-9451 | Phillips Petroleum Company only | Embar (Fusselman) | Andrews | 1 | 0 | 0 | — |
| University "O" G-10-164951 | Phillips Petroleum Company only | Embar (Yates) | Andrews | 1 | 0 | 0 | — |
| University 5-11 G-10-164482 | Big D Energy Company only | Embar (Yates) | Andrews | 1 | 0 | 20.5K | May 1998 – Jun 2013 |
| University 5-11 G-10-164481 | Big D Energy Company only | Embar (Yates) | Andrews | 1 | 0 | 33.2K | May 1998 – Jun 2013 |
| University 5-11 G-10-164112 | Big D Energy Company only | Embar (Yates) | Andrews | 1 | 0 | 2.72K | May 1998 – Oct 2004 |
| University 19-11 G-10-164084 | Whitehawk Production Company only | Embar (Yates) | Andrews | 1 | 0 | 0 | — |
| University 21-11 G-10-163329 | Big D Energy Company only | Embar (Yates) | Andrews | 1 | 0 | 0 | — |
| University Andrews "A" G-10-161918 | Contango Resources, LLC only | Embar (Yates) | Andrews | 1 | 0 | 111K | Aug 1996 – Sep 2014 |
| University "A" G-10-161917 | Contango Resources, LLC only | Embar (Yates) | Andrews | 1 | 0 | 38.4K | Sep 1996 – Sep 2014 |
| University G-10-161916 | Contango Resources, LLC only | Embar (Yates) | Andrews | 1 | 0 | 255K | Aug 1996 – Sep 2014 |
| University Andrews "C" G-10-161915 | Contango Resources, LLC only | Embar (Yates) | Andrews | 1 | 0 | 47.4K | Aug 1996 – Nov 2009 |
| University Andrews "B" G-10-161914 | Contango Resources, LLC only | Embar (Yates) | Andrews | 1 | 0 | 132K | Aug 1996 – Sep 2014 |
| University Andrews "D" G-10-161909 | Sandridge Expl. and Prod., LLC only | Embar (Yates) | Andrews | 1 | 0 | 54.5K | Oct 1996 – Nov 2009 |
| University "E" G-10-161908 | Contango Resources, LLC only | Embar (Yates) | Andrews | 1 | 0 | 269K | Nov 1996 – Sep 2014 |
| University "D" G-10-161906 | Contango Resources, LLC only | Embar (Yates) | Andrews | 1 | 0 | 301K | Nov 1996 – Sep 2014 |
| University "C" G-10-161904 | Contango Resources, LLC only | Embar (Yates) | Andrews | 1 | 0 | 64.7K | Oct 1996 – Sep 2014 |
| University "B" G-10-161903 | Contango Resources, LLC only | Embar (Yates) | Andrews | 1 | 0 | 90.7K | Nov 1996 – Sep 2014 |
| Embar "B" G-10-155470 | Phillips Petroleum Company only | Embar (Yates) | Andrews | 1 | 0 | 0 | — |
| Embar "B" G-10-153388 | Phillips Petroleum Company only | Embar (Yates) | Andrews | 1 | 0 | 20.6K | Dec 1994 – Jun 1997 |
| University 24-11 G-10-153210 | Fueled Resources Inc only | Embar (Yates) | Andrews | 1 | 0 | 24.8K | Feb 1997 – Dec 2002 |
| University 21-10 G-10-153209 | Whitehawk Production Company only | Embar (Yates) | Andrews | 1 | 0 | 0 | — |
| Arco -A- O-10-28339 | Wooldridge Oil & Gas only | Embar (Permian) | Andrews | 1 | 0 | 0 | — |
| University 24-11 G-10-153205 | Fueled Resources Inc only | Embar (Yates) | Andrews | 1 | 0 | 79.7K | Feb 1997 – Jul 2019 |
| Blakeney, Maude 5-44 G-10-151934 | FDL Operating, LLC only | Embar (Yates) | Andrews | 1 | 0 | 30.4K | Oct 1994 – Sep 2014 |
| Blakeney, Maude 6-44 G-10-151861 | Crescent Energy Operating, LLC only | Embar (Yates) | Andrews | 1 | 0 | 128K | Oct 1994 – Sep 2014 |
| Blakeney, Maude 5-44 G-10-151853 | Sheridan Production Company, LLC only | Embar (Yates) | Andrews | 1 | 0 | 56.9K | Oct 1994 – Nov 2009 |
| University 28-10 G-10-151564 | Big D Energy Company only | Embar (Yates) | Andrews | 1 | 0 | 51.4K | Jul 1994 – Jan 2004 |
| University Andrews -87- O-10-34418 | Conocophillips Company only | Embar (Permian) | Andrews | 1 | 0 | 6 | Feb 1995 – Jul 1995 |
| University Andrews -29- O-10-34419 | Whitehawk Production Company only | Embar (Permian) | Andrews | 1 | 0 | 6 | Feb 1995 – Jul 1995 |
| University 22-11 G-10-151555 | Hicon Gas Producers, Inc. only | Embar (Yates) | Andrews | 1 | 0 | 16 | Sep 1997 – Sep 1997 |
| Lalajita Ranch G-4-133143 | Embark Environmental Hldgs., Ltd only | Roleta (Wilcox Consolidated) | Zapata | 1 | 0 | 0 | — |
| Embar O-10-35744 | Conocophillips Company only | Wildcat | Ector | 1 | 0 | 0 | — |
| Blakeney, Maude 4-44 G-10-150894 | Hicon Gas Producers, Inc. only | Embar (Yates) | Andrews | 1 | 0 | 0 | — |
| Blakeney, Maude 6-44 G-10-150893 | Crescent Energy Operating, LLC only | Embar (Yates) | Andrews | 1 | 0 | 50.7K | Aug 1996 – Sep 2014 |
| Blakeney, Maude 5-44 G-10-150892 | Crescent Energy Operating, LLC only | Embar (Yates) | Andrews | 1 | 0 | 43.5K | Nov 1996 – Sep 2014 |
| Blakeney, Maude 5-44 G-10-150891 | Hicon Gas Producers, Inc. only | Embar (Yates) | Andrews | 1 | 0 | 0 | — |
| Blakeney, Maude 4-44 G-10-150890 | Hicon Gas Producers, Inc. only | Embar (Yates) | Andrews | 1 | 0 | 0 | — |
| University 31-10 G-10-133923 | Crescent Energy Operating, LLC only | Embar (Yates) | Andrews | 1 | 0 | 105K | Apr 1993 – Sep 2014 |
| University 30-10 G-10-133922 | Crescent Energy Operating, LLC only | Embar (Yates) | Andrews | 1 | 0 | 110K | Jul 1993 – Sep 2014 |
| University 29-10 G-10-133921 | Crescent Energy Operating, LLC only | Embar (Yates) | Andrews | 1 | 0 | 41.3K | Jul 1993 – Sep 2014 |
| University Andrews -D- O-10-38544 | St. Mary Land & Exploration Co. only | Embar (Permian) | Andrews | 1 | 0 | 0 | — |
| University Andrews -A- O-10-38545 | St. Mary Land & Exploration Co. only | Embar (Permian) | Andrews | 1 | 0 | 0 | — |
| University 29-10 G-10-133920 | Contango Resources, LLC only | Embar (Yates) | Andrews | 1 | 0 | 245K | Apr 1993 – Sep 2014 |
| University 19-10 G-10-133918 | Crescent Energy Operating, LLC only | Embar (Yates) | Andrews | 1 | 0 | 65.3K | Jul 1993 – Nov 2009 |
| University 32-10 G-10-133264 | Crescent Energy Operating, LLC only | Embar (Yates) | Andrews | 1 | 0 | 193K | Apr 1993 – Sep 2014 |
| University 28-10 G-10-132614 | Sheridan Production Company, LLC only | Embar (Yates) | Andrews | 1 | 0 | 47.2K | Mar 1994 – Sep 2014 |
| Texas University W G-10-132613 | Sheridan Production Company, LLC only | Embar (Yates) | Andrews | 1 | 0 | 27.2K | Mar 1994 – Nov 2009 |
| University 29-10 G-10-132311 | Crescent Energy Operating, LLC only | Embar (Yates) | Andrews | 1 | 0 | 80.1K | Jul 1993 – Sep 2014 |
| University 19-10 G-10-132309 | Contango Resources, LLC only | Embar (Yates) | Andrews | 1 | 0 | 176K | May 1993 – Sep 2014 |