| Wrangler C Unit G-10-296329 | EOG Resources, Inc. only | Phantom (Wolfcamp) | Loving | 1 | 378K | 1.03M | Jan 2024 – Apr 2026 |
| Wrangler D Unit G-10-296338 | EOG Resources, Inc. only | Phantom (Wolfcamp) | Loving | 1 | 300K | 989K | Jan 2024 – Apr 2026 |
| Wrangler C Unit G-10-296320 | EOG Resources, Inc. only | Phantom (Wolfcamp) | Loving | 1 | 266K | 841K | Jan 2024 – Apr 2026 |
| Rocket Wrangler 11 G-10-290986 | Crescent Energy Operating, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 248K | 1.6M | Jun 2019 – Apr 2026 |
| Angle G-3-154744 | Phillips Petroleum Company only | Chocolate Bayou (12,000-S) | Brazoria | 1 | 223K | 5.4M | May 1995 – Jul 2000 |
| Triangle 75 G-10-283491 | PDC Permian, Inc. only | Phantom (Wolfcamp) | Reeves | 1 | 177K | 731K | Aug 2016 – Apr 2026 |
| Rocket Wrangler 11-4 G-10-294207 | Crescent Energy Operating, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 147K | 898K | Aug 2022 – Apr 2026 |
| Williamson G-3-176024 | Timberwolf Energy, Inc. only | Angleton, S. (F-4 FB-AZ) | Brazoria | 1 | 84.2K | 3.1M | Jan 2000 – Mar 2026 |
| Langley Unit G-2-273529 | EOG Resources, Inc. only | De Witt (Eagle Ford Shale) | De Witt | 1 | 81.2K | 1.2M | Feb 2014 – Apr 2026 |
| Langley AH1 G-13-294718 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 48.8K | 1.74M | Sep 2022 – Apr 2026 |
| Howard No. 1 GU G-3-152680 | Timberwolf Energy, Inc. only | Angleton, S. (F-4 FB-AZ) | Brazoria | 1 | 46.6K | 5.38M | Dec 1994 – Mar 2026 |
| Burnett-Triangle G-11-162180 | Wagner Oil Company only | Moon Camp (Palo Pinto Reef, LO) | Cottle | 1 | 42.3K | 4.27M | Jan 1997 – Apr 2026 |
| Williamson, et Al G-3-193463 | Timberwolf Energy, Inc. only | Angleton, South (12,100 Frio) | Brazoria | 1 | 38K | 1.16M | Nov 2002 – Mar 2026 |
| Howard No. 2 GU G-3-154623 | Timberwolf Energy, Inc. only | Angleton, S. (F-4 FB-AZ) | Brazoria | 1 | 30.8K | 4.11M | May 1995 – Mar 2026 |
| Smith G-3-201403 | Noble Energy Inc only | Angleton, South (12,100 Frio) | Brazoria | 1 | 29.2K | 1.52M | Mar 2004 – Aug 2010 |
| Holy Comforter Unit G-3-131533 | Wing Corporation only | Angleton, S. (F-4 FB-AZ) | Brazoria | 1 | 26.9K | 2.34M | Jan 1993 – Apr 1999 |
| Williamson-Retrieve Unit No. 1 G-3-130811 | Wing Corporation only | Angleton, S. (F-4 FB-AZ) | Brazoria | 1 | 23.8K | 2.02M | Jan 1993 – Feb 1999 |
| Langley "a" Unit G-13-209004 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 23.4K | 851K | Apr 2005 – Apr 2026 |
| Williamson G-3-94897 | Wing Corporation only | Angleton, S. (Frio 13 FB-B) | Brazoria | 1 | 21.6K | 934K | Jan 1993 – Nov 1999 |
| Langley AH2 G-13-294631 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 21.2K | 1.21M | Sep 2022 – Apr 2026 |
| Langley "a" Unit G-13-208511 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 20.9K | 719K | Mar 2005 – Apr 2026 |
| Langley "a" Unit G-13-207473 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 20.3K | 849K | Mar 2005 – Apr 2026 |
| Williamson G-3-158703 | Timberwolf Energy, Inc. only | Angleton, S. (Frio 13 FB-C) | Brazoria | 1 | 18.9K | 913K | Apr 1996 – Sep 2004 |
| Carr G-3-192321 | Hemco Development, LLC only | Angleton (Frio, Consolidated) | Brazoria | 1 | 18.7K | 1.42M | Oct 2002 – Sep 2014 |
| Langley AH3 G-13-294602 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 18.6K | 1.26M | Sep 2022 – Apr 2026 |
| Angle G-3-184757 | XOG Resources, LLC only | Chocolate Bayou ( Frio P) | Brazoria | 1 | 18.3K | 717K | Aug 2001 – Dec 2012 |
| Triangle G-3-193497 | Noble Energy Inc only | Chocolate Bayou, NE. (9910) | Brazoria | 1 | 18.2K | 1.7M | Feb 2003 – Oct 2006 |
| Langley Unit G-13-210625 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 16.9K | 719K | Jul 2005 – Apr 2026 |
| Williamson G-3-224124 | Timberwolf Energy, Inc. only | Angleton, S. (F-4 FB-AZ) | Brazoria | 1 | 15.6K | 150K | Jun 2005 – Mar 2026 |
| Langley "a" Unit G-13-200625 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 14.3K | 549K | Jan 2004 – Apr 2026 |
| Langley "a" Unit G-13-218667 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 14K | 703K | Apr 2006 – Apr 2026 |
| Langley Unit G-13-198660 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 13.2K | 583K | Dec 2003 – Apr 2026 |
| Langley, J.C. GU 1 G-6-231645 | Texian Operating Company, LLC only | Trawick (Pettit-TP Cons.) | Nacogdoches | 1 | 13.2K | 569K | Jul 2007 – Dec 2025 |
| Langley Unit G-13-180619 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 12.5K | 795K | Dec 2000 – Mar 2019 |
| Langley Unit G-13-200626 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 12.4K | 582K | Feb 2004 – Apr 2026 |
| Holy Comforter Unit G-3-173198 | Timberwolf Energy, Inc. only | Angleton, South (F-9 Block D) | Brazoria | 1 | 12K | 665K | May 1999 – Sep 2007 |
| Langley "a" Unit G-13-217620 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 11.4K | 508K | Apr 2006 – Apr 2026 |
| Burnett Triangle G-11-127501 | Wagner Oil Company only | Moon Camp (Palo Pinto Reef, LO) | Cottle | 1 | 11.1K | 987K | Jan 1993 – Jul 2018 |
| Langley Unit G-13-195310 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 9.58K | 427K | May 2003 – Apr 2026 |
| Williamson G-3-213140 | Timberwolf Energy, Inc. only | Angleton, S. (Frio 13 FB-B) | Brazoria | 1 | 9.43K | 257K | Feb 2005 – Mar 2026 |
| Langley "A" G-13-213549 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 8.95K | 533K | Nov 2005 – Apr 2026 |
| Langley Unit G-13-194317 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 7.99K | 572K | Apr 2003 – Apr 2026 |
| Langley Unit G-13-203610 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 7.7K | 401K | Aug 2004 – Apr 2026 |
| Triangle G-3-234433 | Noble Energy Inc only | Chocolate Bayou ( Ho.fms. UP) | Brazoria | 1 | 7.33K | 349K | Aug 2007 – Oct 2008 |
| Langley, J.C. GU 1 G-6-223015 | Texian Operating Company, LLC only | Trawick (Pettit-TP Cons.) | Nacogdoches | 1 | 7.03K | 1.52M | Oct 2006 – Apr 2026 |
| Langley, J.C. GU 1 G-6-215783 | Texian Operating Company, LLC only | Trawick (Pettit-TP Cons.) | Nacogdoches | 1 | 6.72K | 497K | Sep 2005 – Apr 2026 |
| Langley Unit G-13-203248 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 6.5K | 461K | Jul 2004 – May 2024 |
| Triangle J G-13-279759 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 6.34K | 281K | Dec 2015 – Sep 2025 |
| Williamson-Retrieve Unit No. 1 G-3-173119 | Timberwolf Energy, Inc. only | Angleton, South (F-9 Block D) | Brazoria | 1 | 6.31K | 737K | Mar 1999 – Mar 2026 |
| Langley Unit G-13-217621 | Lime Rock Resources IV-a, L.P. only | Newark, East (Barnett Shale) | Denton | 1 | 6.25K | 438K | Mar 2006 – Apr 2026 |