| Mitcham J. R. #242-133-37953 | NT Minerals LLC only | EastlandEastland County Regular | ActiveObservation | 3,715 | Sep 9, 2008 | 2 | Feb 2009 |
| Hill(lake Sand) #42HHZ42-133-38056 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 3,546 | Aug 24, 2007 | 1 | — |
| Hill (Lake Sand) #4442-133-38051 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveObservation | 3,950 | Aug 13, 2007 | 1 | — |
| Hill (Lake) Sand #4042-133-38032 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 3,760 | May 4, 2007 | 1 | — |
| Hill (Lake Sand) #37D42-133-38023 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 3,780 | Mar 19, 2007 | 1 | — |
| Williams T. C. #942-133-38018 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 3,750 | Mar 14, 2007 | 1 | — |
| Hill (Lake Sand) #3642-133-38021 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 3,765 | Mar 14, 2007 | 1 | — |
| Hill (Lake Sand) #3942-133-38022 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 3,735 | Mar 14, 2007 | 1 | — |
| Hill (Lake Sand) #3142-133-37985 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 3,665 | Oct 20, 2006 | 1 | — |
| Hill (Lake Sand) #2842-133-37964 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 3,695 | Jul 14, 2006 | 1 | — |
| Hill (Lake Sand) #2942-133-37965 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 3,605 | Jun 16, 2006 | 1 | — |
| Hill (Lake Sand) Storage Unit #2542-133-37941 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 3,665 | Mar 16, 2006 | 1 | — |
| Hill (Lake Sand) #2642-133-37943 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 3,680 | Mar 16, 2006 | 2 | — |
| Hill (Lake Sand) #2442-133-37933 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 3,760 | Jan 11, 2006 | 1 | — |
| Hill (Lake Sand) #2342-133-37934 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 4,025 | Jan 11, 2006 | 1 | — |
| Williams T.C. #642-133-37891 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 4,190 | Jan 5, 2006 | 5 | Oct 2005 |
| Williams T. C. #342-133-37860 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 3,750 | Nov 9, 2005 | 2 | May 2022 |
| Hill (Lake Sand) #2242-133-37923 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 3,975 | Oct 14, 2005 | 1 | — |
| Hill (Lake Sand) #2042-133-37922 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 3,660 | Oct 10, 2005 | 1 | — |
| Hill (Lake Sand) #2142-133-37920 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 4,040 | Oct 4, 2005 | 1 | — |
| Williams T. C. #742-133-37919 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 4,015 | Sep 23, 2005 | 1 | — |
| Hill(lake Sand)storage Unit #1542-133-37878 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 3,770 | Sep 16, 2005 | 2 | — |
| Hill (Lake) Sand Storage Unit #1242-133-01775 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | PluggedGas | 3,685 | Jul 8, 2005 | 1 | — |
| Hill (Lake Sand) #1742-133-37897 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 3,750 | Jun 17, 2005 | 2 | — |
| Hill (Lake-Sand) #1842-133-37910 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 4,036 | May 11, 2005 | 2 | — |
| Hill (Lake Sand) #1942-133-37899 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 4,030 | Dec 1, 2004 | 2 | — |
| Williams T. C. #142-133-31638 | Hill-Lake Gas Storage L.P. only | EastlandHill (Lake-Storage) | PluggedGas | 4,200 | Nov 12, 2004 | 3 | Nov 2001 |
| Hill (Lake Sand) #1642-133-37895 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 3,676 | Oct 25, 2004 | 2 | — |
| Williams T. C. #542-133-37892 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 4,050 | Aug 12, 2004 | 2 | — |
| Mitcham G.P. #3 #342-133-37868 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 3,800 | Oct 7, 2003 | 1 | — |
| Williams T.C. #442-133-37859 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 3,775 | Jul 9, 2003 | 3 | — |
| Hill (Lake Sand) Storage Unit #1442-133-37861 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 3,750 | Jul 9, 2003 | 1 | — |
| Mitcham G. P. #242-133-36973 | Hill-Lake Gas Storage L.P. only | EastlandHill (Lake-Storage) | PluggedGas | 4,100 | Jun 24, 2003 | 2 | Jan 2003 |
| Williams T. C. #242-133-37845 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 3,767 | Mar 12, 2003 | 2 | — |
| Hill (Lake Sand) Storage Unit #1042-133-01657 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 4,262 | — | 0 | — |
| Hill /Lake Sand/ Storage Unit #442-133-02741 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | PluggedGas | — | — | 0 | — |
| Hill (Lake Sand) Storage Unit #142-133-03919 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Withdrawal | 3,589 | — | 0 | — |
| Hill /Lake Sand/ Storage Unit #242-133-80048 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 3,592 | — | 0 | — |
| Hill /Lake Sand/ Storage Unit #342-133-80049 | Lone Star Pipeline Company only | EastlandHill (Lake-Storage) | PluggedGas | — | — | 0 | — |
| Hill /Lake Sand/ Storage Unit #542-133-80051 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 4,080 | — | 0 | — |
| Hill /Lake Sand/ Storage Unit #642-133-80052 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 3,942 | — | 0 | — |
| Hill (Lake Sand) Storage Unit #842-133-80053 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 3,826 | — | 0 | — |
| Hill(lake Sand) Storage Unit #942-133-80054 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 3,974 | — | 0 | — |
| Hill (Lake Sand) Storage Unit) #742-133-80142 | Hill-Lake Gas Storage LLC only | EastlandHill (Lake-Storage) | ActiveGas Strg-Injection | 4,247 | — | 0 | — |