| Lawrence #1HHZ42-251-31209 | Riverbirch Resources LLC | JohnsonNewark East (Barnett Shale) | ActiveGas | 8,007 | Sep 22, 2006 | 2 | Aug 2026 |
| Perkins Unit #1 HHZ42-497-36126 | Riverbirch Resources LLC | WiseNewark East (Barnett Shale) | ActiveGas | 6,932 | Sep 18, 2006 | 1 | Aug 2026 |
| Bednarz #1 HHZ42-251-31055 | Riverbirch Resources LLC | JohnsonNewark East (Barnett Shale) | ActiveGas | 7,085 | Jul 5, 2006 | 2 | Aug 2026 |
| Woods #1HHZ42-251-30859 | Riverbirch Resources LLC | JohnsonNewark East (Barnett Shale) | ActiveGas | 7,287 | Mar 27, 2006 | 1 | Aug 2026 |
| Cook Hills #1 HHZ42-251-30869 | Riverbirch Resources LLC | JohnsonNewark East (Barnett Shale) | ActiveGas | 10,135 | Mar 24, 2006 | 1 | Aug 2026 |
| Prather #1 HHZ42-251-30828 | Riverbirch Resources LLC | JohnsonNewark East (Barnett Shale) | ActiveGas | 7,060 | Mar 7, 2006 | 2 | Aug 2026 |
| Owens #1HHZ42-251-30812 | Riverbirch Resources LLC | JohnsonNewark East (Barnett Shale) | ActiveGas | 7,292 | Feb 22, 2006 | 2 | Apr 2026 |
| Oliver #142-439-30167 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,180 | Feb 15, 2006 | 2 | Aug 2026 |
| New Unit #1HHZ42-251-30675 | Riverbirch Resources LLC | JohnsonNewark East (Barnett Shale) | ActiveGas | 9,595 | Dec 7, 2005 | 1 | Apr 2026 |
| Basham #1HHZ42-251-30621 | Riverbirch Resources LLC | JohnsonNewark East (Barnett Shale) | ActiveGas | 8,480 | Nov 1, 2005 | 2 | Jul 2026 |
| Campbell-Caudle #1 HHZ42-251-30590 | Riverbirch Resources LLC | JohnsonNewark East (Barnett Shale) | ActiveGas | 8,401 | Oct 13, 2005 | 1 | Aug 2026 |
| H&D #1HHZ42-251-30587 | Riverbirch Resources LLC | JohnsonNewark East (Barnett Shale) | ActiveGas | 8,021 | Oct 11, 2005 | 1 | Aug 2026 |
| Pannell #1HHZ42-251-30563 | Riverbirch Resources LLC | JohnsonNewark East (Barnett Shale) | ActiveGas | 8,563 | Sep 30, 2005 | 2 | Aug 2026 |
| Springfield #142-367-30859 | Riverbirch Resources LLC | ParkerReno (Congl.) | ActiveGas | 6,026 | Sep 28, 2005 | 2 | Aug 2026 |
| Moncrief Ranch North #2HHZ42-367-33796 | Riverbirch Resources LLC | ParkerNewark East (Barnett Shale) | ActiveGas | 6,745 | Sep 27, 2005 | 1 | Aug 2026 |
| Adams #1HZ42-251-30512 | Riverbirch Resources LLC | JohnsonNewark East (Barnett Shale) | ActiveGas | 7,962 | Aug 25, 2005 | 1 | Aug 2026 |
| Moorefield #142-367-30861 | Riverbirch Resources LLC | ParkerCaddo (3440) | ActiveGas | 6,090 | Mar 18, 2005 | 2 | Aug 2026 |
| Oliver a Unit #942-439-31162 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,155 | Feb 28, 2005 | 1 | Aug 2026 |
| Grant Heirs Pooled Unit #842-439-31124 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,125 | Jan 28, 2005 | 1 | Aug 2026 |
| Oliver a Unit #10 HHZ42-439-31102 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 6,756 | Jan 11, 2005 | 1 | Jul 2026 |
| Oliver a Unit #5 HHZ42-439-31103 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 6,771 | Jan 11, 2005 | 2 | Aug 2026 |
| Grant Heirs Pooled Unit #342-439-31096 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,119 | Jan 7, 2005 | 1 | Aug 2026 |
| Clark Unit #442-367-31681 | Riverbirch Resources LLC | ParkerCaddo (3440) | ActiveGas | 6,111 | Jan 6, 2005 | 3 | Aug 2026 |
| Grant Heirs Pooled Unit #542-439-31086 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,177 | Dec 13, 2004 | 1 | Aug 2026 |
| Oliver a Unit #g 842-439-31062 | Riverbirch Resources LLC | TarrantNewark East (Bend Conglomerate) | ActiveGas | 6,200 | Nov 18, 2004 | 2 | Aug 2026 |
| Smith E. B. a #242-367-32011 | Riverbirch Resources LLC | ParkerCaddo (3440) | ActiveGas | 6,200 | Aug 27, 2004 | 2 | Aug 2026 |
| Grant Heirs Pooled Unit #742-439-30981 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,707 | Aug 20, 2004 | 1 | Aug 2026 |
| Elkins Unit #1442-439-30966 | Riverbirch Resources LLC | TarrantNewark East (Caddo Lime) | ActiveGas | 4,135 | Aug 12, 2004 | 1 | Aug 2026 |
| Grant Heirs Pooled Unit #4 C42-439-30356 | Riverbirch Resources LLC | TarrantNewark East (Caddo Lime) | ActiveGas | 7,150 | Jul 7, 2004 | 3 | Aug 2026 |
| Newsom #242-367-31945 | Riverbirch Resources LLC | ParkerReno (Congl. Upper) | ActiveGas | 6,150 | Dec 16, 2003 | 2 | Aug 2026 |
| Eagle Vista #142-439-30648 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,259 | Jun 23, 2003 | 1 | Aug 2026 |
| Byers Gas Unit #342-367-32979 | Riverbirch Resources LLC | ParkerGrant (Strawn Lower) | ActiveGas | 6,090 | Feb 10, 2003 | 2 | Aug 2026 |
| Elkins Unit #942-439-30533 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,105 | Dec 6, 2002 | 1 | Aug 2026 |
| Elkins Unit #842-439-30458 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,231 | May 31, 2002 | 3 | Aug 2026 |
| Grant Heirs Pooled Unit #2RM42-439-30352 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,089 | Apr 29, 2002 | 2 | Aug 2026 |
| Grant Heirs Pooled Unit #1RM42-439-30353 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,180 | Apr 26, 2002 | 1 | Aug 2026 |
| Grant Heirs Pooled Unit #642-439-30354 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,300 | Apr 26, 2002 | 2 | Aug 2026 |
| Elkins Unit #642-439-30244 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,113 | Aug 30, 2001 | 1 | Aug 2026 |
| Elkins Unit #742-439-30245 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,162 | Aug 30, 2001 | 2 | Aug 2026 |
| Bowen Harry #342-237-38608 | Riverbirch Resources LLC | JackBoonsville (Bend Congl. Gas) | ActiveGas | 6,162 | May 15, 2001 | 1 | Aug 2026 |
| Coomer J. S. #242-367-31873 | Riverbirch Resources LLC | ParkerSpringtown (Caddo) | ActiveGas | 6,900 | May 4, 2001 | 4 | Aug 2026 |
| Elkins Unit #442-439-30200 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,210 | Apr 24, 2001 | 1 | Aug 2026 |
| Elkins Unit #342-439-30186 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,180 | Oct 9, 2000 | 1 | Aug 2026 |
| Gleason W. F. #442-237-38555 | Riverbirch Resources LLC | JackBoonsville (Bend Congl. Gas) | ActiveGas | 4,349 | Jul 12, 2000 | 2 | Aug 2026 |
| Elkins Unit #242-439-30184 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,288 | May 25, 2000 | 1 | Aug 2026 |
| North Riggs #a 142-237-38273 | Riverbirch Resources LLC | JackJack County Regular (Gas) | ActiveGas | 5,638 | Apr 16, 1997 | 1 | Aug 2026 |
| Atwood #142-367-33307 | Riverbirch Resources LLC | ParkerBuck Ranch (Strawn) | ActiveGas | 1,873 | Sep 23, 1996 | 1 | Aug 2026 |
| North Riggs #442-237-38009 | Riverbirch Resources LLC | JackRiggs (Conglomerate) | ActiveGas | 5,545 | Apr 20, 1995 | 2 | Aug 2026 |
| Riggs J.C. #1SW42-237-38148 | Riverbirch Resources LLC | JackJack County Regular | ActiveInjection | 2,325 | Mar 7, 1995 | 1 | — |
| Sandstorm a #142-439-30166 | Riverbirch Resources LLC | TarrantNewark East (Barnett Shale) | ActiveGas | 7,300 | Mar 29, 1993 | 1 | Aug 2026 |