| Pearline G-3-277052 | Square Mile Energy, L.L.C. only | Glasscock (Wilcox 11,200) | Colorado | 1 | 114K | 3.23M | Aug 2014 – Sep 2018 |
| Parker, Pearl "710" G-14-254156 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 113K | 1.59M | Sep 2009 – Aug 2026 |
| Pearl Unit A-340 G-6-168247 | Atlas Operating LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 73.8K | 1.92M | Jan 1998 – Jun 2026 |
| Gouger Gas Unit No. 5 O/A G-1-439 | Pearl, Bill H. Productions, Inc. only | Roos (Wilcox 7500) | McMullen | 1 | 49.6K | 814K | by Jan 1993 – Aug 2026 |
| Pearl Parker "710" G-14-262241 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 43.3K | 551K | Mar 2011 – Aug 2026 |
| Talbert,c.p. G-4-56963 | Pearl, Bill H. Productions, Inc. only | Agua Dulce (Consolidated Frio) | Nueces | 1 | 40.5K | 532K | May 1993 – Aug 2026 |
| Keirn, Pearl G-4-157999 | Fina Oil & Chemical Company only | McAllen (6900) | Hidalgo | 1 | 28.4K | 250K | Nov 1995 – Oct 1996 |
| Keirn, Pearl G-4-156694 | Merit Energy Company only | McAllen (Keirn) | Hidalgo | 1 | 23.5K | 1.64M | Jan 1995 – Mar 2003 |
| Pearlstone, Claire G-1-160379 | Trailblazer Energy Resources,llc only | Jourdanton | Atascosa | 1 | 23.3K | 5.81M | Oct 1996 – Aug 2026 |
| Pearlstone, Claire G-1-163239 | Trailblazer Energy Resources,llc only | Jourdanton | Atascosa | 1 | 21.5K | 4.59M | Jun 1997 – Jul 2024 |
| Pearl Barron G-6-258908 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 21.4K | 4.1M | Aug 2010 – Aug 2026 |
| Texa Pearl 326 G-14-276157 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 21.3K | 1.63M | Mar 2014 – Aug 2026 |
| Dix, Thomas G-4-52785 | Pearl, Bill H. Productions, Inc. only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 20.9K | 121K | by Jan 1993 – Jun 2003 |
| Pearl B Unit G-13-268395 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 18.4K | 1.02M | Mar 2012 – Aug 2026 |
| Pearlstone, Claire G-1-74324 | Virtex Operating Company, Inc. only | Jourdanton | Atascosa | 1 | 17.3K | 3.35M | by Jan 1993 – Aug 2011 |
| Pearl Parker "710" G-14-281791 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 15.5K | 303K | Dec 2007 – Aug 2026 |
| Risley, Mamie Pearl G-14-147754 | Bracken Operating, L.L.C. only | Hemphill (Granite Wash.) | Hemphill | 1 | 15.4K | 2.74M | Nov 1993 – Aug 2025 |
| Purl, Ollie B G-4-138637 | Pearl, Bill H. Productions, Inc. only | Agua Dulce (5600 Rivers No. 4) | Nueces | 1 | 14.8K | 210K | by Jan 1993 – Aug 2026 |
| Pearl a Unit G-13-268394 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 14.7K | 1.07M | Mar 2012 – Aug 2026 |
| Pearl D Unit G-13-268399 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Montague | 1 | 14.5K | 1.03M | Apr 2012 – May 2025 |
| Pearl C Unit G-13-268398 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 14K | 871K | Apr 2012 – Aug 2026 |
| Texa Pearl 326 G-14-278898 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 13.7K | 1.26M | Jul 2015 – Aug 2026 |
| Risley, Mamie Pearl G-14-147287 | Little, Quintin Company,inc.,the only | Hemphill (Granite Wash.) | Hemphill | 1 | 12.3K | 1.94M | Sep 1993 – Aug 2018 |
| Purl, Ollie G-4-39087 | Pearl, Bill H. Productions, Inc. only | Agua Dulce (Consolidated Frio) | Nueces | 1 | 10.5K | 400K | by Jan 1993 – Aug 2026 |
| Texa Pearl 326 G-14-278899 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 9.21K | 1.34M | Aug 2015 – Aug 2026 |
| Pearl Wheat 'a' 765 G-14-284161 | Highmark Energy Operating, LLC only | Peery (Cleveland) | Lipscomb | 1 | 9.02K | 24.2K | Dec 2017 – Aug 2026 |
| Ibrom G-2-128532 | Pearl, Bill H. Productions, Inc. only | Slick, NE. (7600) | Goliad | 1 | 8.79K | 377K | by Jan 1993 – Nov 1999 |
| Collins, Pearl Swift G-2-168755 | Christopher Oil & Gas Inc only | Bonnie View (5200) | Refugio | 1 | 7.42K | 903K | May 1998 – Jan 2009 |
| Risley, Mamie Pearl G-14-42436 | Bracken Operating, L.L.C. only | Hemphill (Granite Wash.) | Hemphill | 1 | 6.99K | 1.03M | by Jan 1993 – Aug 2026 |
| Risley, Mamie Pearl G-14-87999 | Bracken Operating, L.L.C. only | Hemphill (Granite Wash.) | Hemphill | 1 | 5.95K | 1.01M | by Jan 1993 – Oct 2023 |
| Barron, Pearl G-6-199304 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 5.87K | 1.11M | Sep 2003 – Aug 2026 |
| Pearl Federal G-13-239000 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 5.08K | 2.95M | Apr 2008 – Aug 2026 |
| Bain, W. S. Unit G-1-437 | Pearl, Bill H. Productions, Inc. only | Roos (Wilcox 7500) | McMullen | 1 | 4.89K | 1.08M | by Jan 1993 – Aug 2026 |
| Risley, Mamie Pearl G-14-76103 | Little, Quintin Company,inc.,the only | Hemphill (Granite Wash.) | Hemphill | 1 | 4.8K | 722K | by Jan 1993 – Jun 2009 |
| Harris, Pearl -A- G-2-150720 | Unit Petroleum Company only | Harris (Wilcox-Luling) | Live Oak | 1 | 4.54K | 600K | Jun 1994 – Jun 2016 |
| Pearl Ranch G-13-253387 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 4.5K | 3.25M | Mar 2008 – Aug 2026 |
| Risley, Mamie Pearl G-14-86701 | Bracken Operating, L.L.C. only | Hemphill (Granite Wash.) | Hemphill | 1 | 3.99K | 694K | by Jan 1993 – Aug 2022 |
| Robertson, Pearl G-8-198911 | Seely Oil Company only | Wilena (Duffer | Stephens | 1 | 3.84K | 403K | Dec 2002 – Jan 2024 |
| Risley, Mamie Pearl G-14-60293 | Bracken Operating, L.L.C. only | Hemphill (Granite Wash.) | Hemphill | 1 | 3.78K | 665K | by Jan 1993 – Apr 2021 |
| Barron, Pearl G-6-219166 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 3.68K | 696K | Dec 2005 – Aug 2026 |
| Pearl Federal G-13-238945 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 3.67K | 3.17M | Mar 2008 – Aug 2026 |
| Pearl Ranch G-13-219161 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 3.38K | 1.68M | Apr 2006 – Aug 2026 |
| Marley G-13-117780 | Perry Operating Inc. only | Pearl Mosley (Congl., Upper) | Jack | 1 | 3.31K | 77K | by Jan 1993 – Aug 2026 |
| Roos, L. W. G-1-220990 | Pearl, Bill H. Productions, Inc. only | Cousins (Queen City 5740) | McMullen | 1 | 2.99K | 112K | Sep 2006 – Aug 2026 |
| Pearl Ranch G-13-219160 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 2.96K | 2.23M | Apr 2006 – Aug 2026 |
| Williams, Pearl -B- G-9-111485 | Double Eagle Operating, LLC only | Dove Creek, South (6500) | Irion | 1 | 2.86K | 171K | by Jan 1993 – Aug 2026 |
| Keirn, Pearl G-4-177519 | Totalfinaelf E&P USA Inc only | McAllen, South (Biedenharn 7630) | Hidalgo | 1 | 2.78K | 292K | Apr 2000 – Mar 2001 |
| Risley, Mamie Pearl G-14-226515 | Little, Quintin Company,inc.,the only | Hemphill (Granite Wash.) | Hemphill | 1 | 2.51K | 407K | Jan 2007 – Aug 2015 |
| Keirn, Pearl G-4-174753 | Merit Energy Company only | McAllen, So. (Fallen 8400) | Hidalgo | 1 | 2.44K | 1.17M | Aug 1999 – Aug 2026 |
| Wernecke Gas Unit G-4-147252 | Pearl, Bill H. Productions, Inc. only | Agua Dulce (6060) | Nueces | 1 | 2.38K | 4.02K | Sep 1993 – Jul 1995 |