| Knapp G-13-207989 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 17.5K | 3.33M | Feb 2005 – Apr 2026 |
| Knapp G-13-207999 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 13.2K | 2.26M | Mar 2005 – Apr 2026 |
| Knapp G-13-153589 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 9.65K | 1.61M | Mar 1995 – Apr 2026 |
| Knapp, O.L. O-1-10854 | Calk Oil Company only | Somerset | Bexar | 1 | 7.72K | 18 | Jan 1993 – Mar 2026 |
| Knapp G-13-185723 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 6.82K | 2.21M | Oct 2001 – Apr 2026 |
| Houston Gas Unit G-4-162183 | BP America Production Company only | Donna (Knapp) | Hidalgo | 1 | 6.68K | 1.88M | Dec 1996 – Apr 2002 |
| Knappick O-1-12594 | Rclj Construction, Inc. only | Pearsall (Austin Chalk) | Frio | 1 | 6.4K | 6 | Jan 1993 – Jul 2004 |
| Knapp G-13-169327 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 4.49K | 1.63M | Jun 1998 – Apr 2026 |
| Knapp G-13-186599 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 4.03K | 1.34M | Oct 2001 – Apr 2026 |
| Knapp G-13-188272 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 4K | 413K | Jan 2002 – Apr 2026 |
| Jancik G-4-117302 | Vastar Resources, Inc. only | Donna (Knapp) | Hidalgo | 1 | 3.63K | 368K | Jan 1993 – Apr 1998 |
| Knapp G-13-126480 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 2.36K | 1.33M | Jan 1993 – Apr 2026 |
| Slavik Unit G-4-120213 | Platinum Oil & Gas, L.L.C. only | Los Torritos, North (Knapp) | Hidalgo | 1 | 1.72K | 91.4K | Jan 1993 – May 2001 |
| Knappick, Fred O-1-4992 | Vac-U-Lift Production Co.,inc. only | Pearsall (Austin Chalk) | Frio | 1 | 1.36K | 10 | Apr 1993 – Sep 1996 |
| Knapp G-13-204988 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 1.33K | 881K | Nov 2004 – Apr 2026 |
| Knapp-Dodson Unit G-13-156667 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 1.23K | 998K | Dec 1995 – Apr 2026 |
| Knappick O-1-10743 | Calk Oil Company only | Somerset | Atascosa | 1 | 948 | 16 | Jan 1993 – Mar 2026 |
| Knapp G-13-204986 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 932 | 1.42M | Nov 2004 – Apr 2026 |
| Knapp, O. L. O-1-3926 | Petrosaurus, Inc. only | Somerset | Bexar | 1 | 916 | 23 | Jan 1993 – Aug 2021 |
| Knapp O-1-3481 | Seagull Operating Co., Inc. only | Somerset | Bexar | 3 | 874 | 21 | Jan 1993 – Jan 1999 |
| Knapp, Leo O-1-6094 | Lake Cherokee Production, LLC only | La Vernia | Guadalupe | 4 | 565 | 59 | Jan 1993 – Jan 2006 |
| Houston Gas Unit G-4-212865 | Wagner Oil Company only | Donna (Knapp) | Hidalgo | 1 | 201 | 90.6K | Sep 2005 – Feb 2006 |
| Jancik G-4-166549 | Vastar Resources, Inc. only | Donna (Knapp) | Hidalgo | 1 | 22 | 5.61K | Jan 1998 – Apr 1998 |
| Knapp-Dodson Unit G-13-158985 | Mitchell Energy Corporation only | Wise-Kent (Strawn Reef) | Wise | 1 | 12 | 18.4K | Jun 1996 – Sep 1997 |
| Knapp Sisters G-13-240251 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 5 | 1.25M | Oct 2008 – Apr 2026 |
| Thomas Unit G-4-10147 | Vastar Resources, Inc. only | Donna (Knapp) | Hidalgo | 1 | 5 | 33.6K | Jan 1993 – Mar 1994 |
| Knapp C Unit G-13-252366 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 3 | 1.72M | Nov 2009 – Feb 2018 |
| Knapp Sisters G-13-255864 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 1 | 1.14M | Jan 2009 – Apr 2026 |
| Knapp E Unit G-13-252033 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 1.94M | Dec 2009 – Jul 2020 |
| Knapp B Unit G-13-252046 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 1.34M | Nov 2009 – Apr 2026 |
| Knapp C Unit G-13-252049 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 1.25M | Nov 2009 – Feb 2018 |
| Knapp D Unit G-13-252050 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 976K | Dec 2009 – Feb 2016 |
| Knapp F Unit G-13-252051 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 984K | Dec 2009 – Jan 2015 |
| Sherrill Knapp Unit G-13-252356 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 1.11M | Dec 2009 – Jan 2016 |
| Knapp D Unit G-13-252364 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 1.8M | Dec 2009 – Jan 2017 |
| Sherrill Knapp Unit G-13-252774 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 794K | Dec 2009 – Dec 2016 |
| Knapp F Unit G-13-258334 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 832K | Dec 2010 – Nov 2014 |
| Knapp E Unit G-13-258338 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 2.69M | Dec 2010 – Aug 2023 |
| Knapp B-Knapp C SA G-13-268120 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 615K | Mar 2013 – Jan 2016 |
| Knapp G-14-24993 | Conocophillips Company only | Panhandle, West | Moore | 1 | 0 | 1.08M | Jan 1993 – Jul 2015 |
| Knappick, Fred O-1-7608 | Well Solutions, Inc. only | Pearsall (Austin Chalk) | Frio | 1 | 0 | 0 | — |
| Thomas Gas Unit G-4-115517 | Vastar Resources, Inc. only | Donna (Knapp) | Hidalgo | 1 | 0 | 0 | — |
| Houston Gas Unit G-4-96429 | Vastar Resources, Inc. only | Donna (Knapp) | Hidalgo | 1 | 0 | 0 | — |
| Slavik Unit G-4-74117 | Anderson Oil Ltd. only | Los Torritos, North (Knapp) | Hidalgo | 1 | 0 | 0 | — |
| Knapp-Dodson Unit G-13-158984 | Mitchell Energy Corporation only | Boonsville (Bend Congl., Gas) | Wise | 1 | 0 | 0 | — |
| Knapp G-13-97827 | Mitchell Energy Company L.P. only | Pruitt (Viola Lime) | Wise | 1 | 0 | 0 | — |
| Houston Gas Unit G-4-259299 | Wagner Oil Company only | Donna (Knapp) | Hidalgo | 1 | 0 | 4.09K | Oct 2010 – Mar 2011 |
| Knapp G-13-206130 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 77.1K | Oct 2004 – Dec 2005 |
| Sorenson Shallow GU A G-4-219536 | BP America Production Company only | Donna (Knapp) | Hidalgo | 1 | 0 | 92 | Apr 2006 – May 2006 |
| Knapp Unit G-13-209032 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 121K | Apr 2005 – Aug 2005 |