| Harper Ferry 54-4-29 G-10-283225 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Reeves | 1 | 506K | 2.04M | Mar 2019 – Aug 2026 |
| Harpoon G-10-284530 | Resolute Natural Res. Co., LLC only | Phantom (Wolfcamp) | Reeves | 1 | 412K | 3.62M | Mar 2017 – Aug 2026 |
| Sharp Nose State G-10-291092 | COG Operating LLC only | Phantom (Wolfcamp) | Loving | 1 | 294K | 1.4M | Mar 2019 – Aug 2026 |
| Coltharp G-14-261868 | Mustang Fuel Corporation only | Mills Ranch (Des Moines) | Wheeler | 1 | 251K | 5.86M | Dec 2010 – Aug 2026 |
| Harpoon G-10-285367 | Resolute Natural Res. Co., LLC only | Phantom (Wolfcamp) | Reeves | 1 | 240K | 2.82M | Feb 2015 – Aug 2026 |
| Harper Allocation A G-1-298943 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 216K | 441K | Dec 2024 – Aug 2026 |
| Harper-Dietze B G-1-298979 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 143K | 239K | Dec 2024 – Aug 2026 |
| Welder 'C' G-2-234179 | Hilcorp Energy Company only | Sharps Lake, N. (5040) | Refugio | 1 | 113K | 310K | Jan 2008 – May 2015 |
| Tharp, Kathleen G-3-142134 | Nordstrand Engineering, Inc. only | Rankin (Cook Mtn. 9340 Sand) | Harris | 1 | 62.8K | 4.45M | by Jan 1993 – Jul 2026 |
| Coltharp G-14-170461 | Mustang Fuel Corporation only | Mills Ranch (Des Moines) | Wheeler | 1 | 54.9K | 1.26M | Jul 1998 – Aug 2026 |
| Harper G-2-212495 | BZG E&P LLC only | Cadence Reliance (Wilcox) | Goliad | 1 | 45.8K | 1.45M | Jul 2005 – Aug 2023 |
| Tharp, Kathleen G-3-143233 | Nordstrand Engineering, Inc. only | Rankin (Cook Mtn. 9340 Sand) | Harris | 1 | 38.3K | 3.29M | by Jan 1993 – Jul 2026 |
| Harper G-2-223733 | BZG E&P LLC only | Charco, SE. (Wilcox 9600) | Goliad | 1 | 26.4K | 1.13M | Nov 2006 – Aug 2023 |
| Miller, Ilse G-3-140027 | Hughes, Dan A. Company, L.P. only | Sharp Shooter (7760) | Wharton | 1 | 19.9K | 3.43M | by Jan 1993 – Oct 2004 |
| Bryan-Harper Unit G-3-281037 | Zarvona Energy LLC only | Double a Wells, N (Austin Chalk) | Polk | 1 | 18.1K | 790K | Feb 2013 – Mar 2024 |
| Sharp Unit G-6-103892 | Burk Royalty Co., Ltd. only | Bethany, East (Cotton Valley) | Panola | 1 | 18.1K | 887K | by Jan 1993 – Jul 2026 |
| Harper, Carolyn G-13-216580 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 17.8K | 2.25M | Mar 2006 – Aug 2026 |
| Coltharp G-14-228811 | Presidio Petroleum LLC only | Ivester (Atoka) | Wheeler | 1 | 16.2K | 1.92M | May 2007 – Aug 2026 |
| Sharp Unit G-3-159024 | Southwest Resources, Inc. only | Giddings (Austin Chalk, Gas) | Washington | 1 | 10.9K | 1.31M | Apr 1996 – Jan 2005 |
| Yarborough G-4-233201 | Harper Hefte, Inc. only | Agua Dulce, North (7500) | Nueces | 1 | 10.5K | 518K | Feb 2008 – Jun 2013 |
| Yarborough G-4-247269 | Harper Hefte, Inc. only | Agua Dulce, North (7100 Sand) | Nueces | 1 | 10.3K | 629K | May 2009 – Dec 2016 |
| Harper D Unit G-13-269274 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 8.98K | 927K | Nov 2012 – Jan 2025 |
| Sharp Unit G-6-187100 | Burk Royalty Co., Ltd. only | Bethany, East (Cotton Valley) | Panola | 1 | 8.96K | 1M | Dec 2001 – Jan 2023 |
| Sharp, Belle G-6-230706 | Sponte Operating, Inc. only | Beckville (Cotton Valley) | Panola | 1 | 8.02K | 664K | Aug 2007 – Aug 2026 |
| Sharp, Belle G-6-232176 | Sponte Operating, Inc. only | Beckville (Cotton Valley) | Panola | 1 | 7.64K | 689K | Sep 2007 – Aug 2026 |
| Harper C Unit G-13-269399 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 7.62K | 706K | Nov 2012 – Aug 2025 |
| Lockwood & Sharp -B- G-3-200361 | Denbury Onshore, LLC only | Thompson | Fort Bend | 1 | 7.4K | 516K | Mar 2004 – Jul 2015 |
| Sharp, A. L. G-5-170581 | Atlas Operating LLC only | Jewett (Travis Peak) | Leon | 1 | 7.01K | 1.44M | Sep 1998 – Jun 2026 |
| Sharp, Belle G-6-228050 | Sponte Operating, Inc. only | Beckville (Cotton Valley) | Panola | 1 | 6.75K | 373K | Apr 2007 – Aug 2026 |
| Sharp, Belle G-6-230301 | Sponte Operating, Inc. only | Beckville (Cotton Valley) | Panola | 1 | 6.66K | 498K | Jul 2007 – Aug 2026 |
| Coltharp G-14-173831 | Crest Resources, Inc. only | Mills Ranch (Des Moines) | Wheeler | 1 | 6.06K | 257K | Jul 1999 – Nov 2005 |
| Sharp, Belle G-6-230413 | Sponte Operating, Inc. only | Beckville (Cotton Valley) | Panola | 1 | 5.6K | 606K | Aug 2007 – Aug 2026 |
| Sharp, Belle G-6-232998 | Sponte Operating, Inc. only | Beckville (Cotton Valley) | Panola | 1 | 5.59K | 385K | Oct 2007 – Jun 2026 |
| Sharp, Belle G-6-230300 | Sponte Operating, Inc. only | Beckville (Cotton Valley) | Panola | 1 | 5.59K | 287K | Jun 2007 – Oct 2021 |
| Sharp, Belle GU G-6-30193 | Sponte Operating, Inc. only | Carthage (Pettit, Lower) | Panola | 1 | 5.11K | 784K | by Jan 1993 – Aug 2026 |
| Sellers, Nellie "A" G-10-183777 | Sharp Image Energy, Inc. only | Howling (Cisco) | Howard | 1 | 5.05K | 104K | Feb 2001 – Sep 2008 |
| Sharp, Belle G-6-232175 | Sponte Operating, Inc. only | Beckville (Cotton Valley) | Panola | 1 | 4.65K | 308K | Sep 2007 – Dec 2019 |
| Sharp, Belle G-6-226954 | Sponte Operating, Inc. only | Beckville (Cotton Valley) | Panola | 1 | 4.63K | 256K | Mar 2007 – Jun 2024 |
| Harper Devonian Unit G-10-195955 | Hilcorp Energy Company only | Harper (Devonian) | Ector | 1 | 4.61K | 1.51M | May 2003 – Sep 2025 |
| Sharp, A. L. G-5-273314 | Atlas Operating LLC only | Jewett (Travis Peak) | Leon | 1 | 4.44K | 299K | Jun 2014 – Jun 2026 |
| Sharp, A. L. G-5-272081 | Atlas Operating LLC only | Jewett (Travis Peak) | Leon | 1 | 4.1K | 570K | Oct 2013 – Jun 2026 |
| Hefte, Mary Tom et Al G-4-169506 | Harper Hefte, Inc. only | Agua Dulce (Consolidated Frio) | Nueces | 1 | 3.8K | 327K | Jul 1998 – Sep 2017 |
| Harper, R. E. G-6-167532 | Cinron Energy, LLC only | Overton (Cotton Valley Sand) | Smith | 1 | 3.73K | 372K | Sep 1997 – Jul 2026 |
| Lockwood & Sharp -B- G-3-161556 | Denbury Onshore, LLC only | Thompson | Fort Bend | 1 | 3.61K | 1.18M | Dec 1996 – Sep 2004 |
| Sharp, A. L. G-5-266936 | Atlas Operating LLC only | Jewett (Travis Peak) | Leon | 1 | 3.43K | 578K | Nov 2011 – Jun 2026 |
| Tharp G-3-202750 | WRD Operating LLC only | Rankin (DY 8050 Sand) | Harris | 1 | 3.39K | 89.3K | Feb 2004 – May 2007 |
| Sharpe, Dot G-6-189172 | Samson Lone Star, LLC only | Danville (TP-CV Cons.) | Gregg | 1 | 3.2K | 13.7K | May 2002 – May 2009 |
| Sharp Gas Unit G-6-112602 | Marion County Prod. Co., L.L.C. only | George Bush (Jeter) | Marion | 1 | 2.75K | 435K | by Jan 1993 – Jul 2026 |
| Sharp, A. A. G-4-222396 | Prevail Energy, Incorporated only | Falfurrias (8000) | Jim Wells | 1 | 2.63K | 43.3K | Sep 2006 – Feb 2008 |
| Sharp Unit G-6-187003 | Devon Energy Production Co, L.P. only | Bethany, East (Cotton Valley) | Panola | 1 | 2.5K | 155K | Nov 2001 – Sep 2007 |