| Alvena G-3-178887 | North Lake Resources LLC only | Pheasant-Bowers (9800) | Matagorda | 1 | 539K | 8.63M | Sep 2000 – Apr 2015 |
| Lindley 33-98 Lov G-10-293365 | CPX Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 419K | 4.08M | May 2022 – Aug 2026 |
| Lola 34-198 WRD Unit G-10-287527 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Ward | 1 | 387K | 2.25M | Mar 2016 – Apr 2025 |
| State Tract 898-S G-4-219267 | White Marlin Operating Co, LLC only | MU Block 898 (6000 Stringer) | Mustang IS-SB | 1 | 369K | 12.7M | Jun 2006 – Sep 2025 |
| Lindley 33-98 Lov G-10-287549 | Pdeh LLC only | Phantom (Wolfcamp) | Loving | 1 | 327K | 2.18M | Jun 2016 – Aug 2026 |
| Langford 98 Alloc A G-10-300930 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 288K | 3.31M | Jul 2017 – Aug 2026 |
| Langford 98 Alloc C G-10-286159 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 253K | 2.36M | Jul 2017 – Aug 2026 |
| Black Stone Minerals Unit A-981 G-6-176419 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 223K | 3.22M | Nov 1999 – Aug 2026 |
| Lola 34-198 WRD Unit G-10-287379 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Ward | 1 | 217K | 1.6M | Aug 2018 – Aug 2026 |
| Lindley 98 G-10-292024 | CPX Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 214K | 6.59M | Nov 2021 – Aug 2026 |
| Chapman G-3-187847 | Strand Energy, L.C. only | Chapman (Wilcox 9890) | Waller | 1 | 209K | 3.37M | Feb 2002 – Jan 2010 |
| Lindley 98 G-10-289685 | CPX Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 203K | 1.7M | Jan 2021 – Aug 2026 |
| Jones Unit a - 981 G-6-158193 | Texas Oil and Gas Operating, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 193K | 1.64M | Feb 1996 – Oct 2012 |
| Chapman "A" G-3-199228 | Somerset Operating, LLC only | Chapman (Wilcox 9890) | Waller | 1 | 185K | 3.5M | Jan 2004 – Sep 2017 |
| Black Stone Minerals a-982 Unit G-6-156985 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 170K | 2.99M | Jul 1995 – Aug 2026 |
| State Tract 1-4A Unit G-3-183428 | Galveston Bay Operating Co LLC only | Fishers Reef (FB C 9800) | Chambers | 1 | 160K | 2.4M | Nov 2000 – Jun 2021 |
| Langford 98 Alloc. B G-10-286096 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 145K | 2.02M | Feb 2018 – Aug 2026 |
| TSL M-098041/TR52/ G-4-187846 | Sabco Operating Company only | Encinal Channel (FB-3B, M-4) | Nueces | 1 | 123K | 4.73M | Jan 2002 – Jul 2005 |
| State Tract No. 46 G-3-182398 | Galveston Bay Operating Co LLC only | Fishers Reef (Frio B 9800) | Chambers | 1 | 97.8K | 2.33M | May 2000 – Jun 2007 |
| Humane Society 34-198 WRD G-10-289997 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Ward | 1 | 94.1K | 320K | Sep 2011 – Aug 2026 |
| Brownlee 198 Lip G-14-267951 | Unbridled Resources, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 90.1K | 335K | Apr 2012 – Aug 2026 |
| Exxon-Yates Ranch Fee "D" G-4-161710 | Remora Operating, LLC only | Bold Forbes (9800) | Duval | 1 | 87.2K | 6.51M | Dec 1996 – Sep 2009 |
| Blackstone Minerals Unit A-982 G-6-197316 | Rockstar Production, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 87K | 1.64M | May 2003 – Aug 2026 |
| State Tract 9-12B G-3-186583 | Galveston Bay Operating Co LLC only | Fishers Reef (9800 FB D) | Chambers | 1 | 85K | 613K | Dec 2000 – Jan 2006 |
| East Milton Unit 1 G-3-49025 | Petrotx Operating, LLC only | Milton, E. (Wilcox 9800) | Harris | 1 | 83.8K | 2.26M | by Jan 1993 – Jun 2026 |
| State Tract 98-L G-3-186724 | Seiran E & P Company, LLC only | Block 98-L (Amph B) | High IS-LB | 1 | 74.8K | 1M | Nov 2001 – Jul 2011 |
| State Tract 98-L G-3-161061 | Ocean Energy, Inc. only | Block 98-L | High IS-LB | 1 | 62.9K | 9.31M | Jul 1996 – Dec 2001 |
| Davenport, H.S. G-6-123487 | Uosi Operating, Inc. only | Palestine (Rodessa 9800) | Anderson | 1 | 62.9K | 799K | by Jan 1993 – Aug 2026 |
| MVP 'A-98' G-3-279177 | Southern Oil of Louisiana LLC only | Adams Ranch (Yegua EY) | Orange | 1 | 62.5K | 1.87M | Jan 2015 – Jan 2021 |
| Cranek G. U. -A- G-3-178541 | Finley Resources, Inc. only | Menefee (Yegua EY 9850) | Wharton | 1 | 61.5K | 313K | Jul 2000 – Dec 2001 |
| Mary B. Golsch Gas Unit 1 G-2-109231 | Capital Star Oil & Gas, Inc. only | Hallettsville, East (9800) | Lavaca | 1 | 54.9K | 3.19M | by Jan 1993 – Aug 2026 |
| Miller, George Estate G-3-150383 | Prime Operating Company only | Hamel, East (9800) | Colorado | 1 | 53.8K | 3.39M | Jun 1994 – Aug 2026 |
| Brown, et Al G-3-177924 | Caskids Operating Company only | Anahuac, SE. (Hackberry 9800) | Chambers | 1 | 51.5K | 1.11M | Apr 2000 – Dec 2002 |
| Graves Estate(wilcox)gas Unit #1 G-3-153354 | Cathexis Oil & Gas, LLC only | Milton, N. (9800 Wilcox) | Harris | 1 | 46.9K | 6.95M | Dec 1994 – Feb 2011 |
| Miller, George Estate G-3-126721 | Prime Operating Company only | Hamel, East (9800) | Colorado | 1 | 46.9K | 2.16M | by Jan 1993 – Jul 2009 |
| State Tract 98 G-3-167542 | Newfield Exploration Company only | Umbrella Point, W. (Lox B) | Chambers | 1 | 45.4K | 7.12M | Sep 1997 – Mar 2003 |
| BP Black Stone a-98 Unit G-3-251280 | Zarvona Energy LLC only | Magnolia Springs (Austin Chalk) | Jasper | 1 | 44.5K | 5.56M | Apr 2009 – Aug 2026 |
| Pettus, W. W. Heirs G-2-180461 | Magnum Producing, LP only | Muy Bueno (9800) | Goliad | 1 | 43.4K | 1.57M | Jul 2000 – Jul 2026 |
| McQuitty 298 G-14-278970 | Presidio Petroleum LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 43.2K | 437K | Nov 2015 – Aug 2026 |
| Welder Heirs G-4-144943 | Hurd Enterprises, Ltd. only | Bold Forbes (9800) | Duval | 1 | 41.9K | 580K | Feb 1993 – Jul 2001 |
| Bolting, Georgia Faye et Al G-2-109550 | Marwell Petroleum Ltd Partnrship only | Speary, East (Wilcox 9800) | De Witt | 1 | 41.8K | 649K | by Jan 1993 – Aug 2026 |
| Graves Estate(wilcox)gas Unit #1 G-3-151617 | Petrotx Operating, LLC only | Milton, N. (9800 Wilcox) | Harris | 1 | 41.2K | 8M | Oct 1994 – Aug 2026 |
| McQuitty 298 G-14-280061 | Presidio Petroleum LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 33.8K | 572K | Feb 2016 – Aug 2026 |
| Mary B. Golsch Gas Unit G-2-113228 | Capital Star Oil & Gas, Inc. only | Hallettsville, East (9800) | Lavaca | 1 | 33K | 1.69M | by Jan 1993 – Aug 2026 |
| Exxon-Yates Ranch Fee "D" G-4-156988 | Exxon Mobil Corporation only | Bold Forbes (9800) | Duval | 1 | 32.4K | 2.23M | Aug 1995 – Aug 2001 |
| TSL M-098041/ TR 52/ G-4-273884 | White Marlin Operating Co, LLC only | Encinal Channel (FB-a, M-1) | Nueces | 1 | 27.4K | 1.78M | Jan 2014 – Jul 2017 |
| Baker, Earl G-1-165561 | Gruy Petroleum Management Co. only | Brazil, SW. (Luling 9800) | McMullen | 1 | 27.4K | 2.21M | Sep 1997 – Sep 2001 |
| N.P.U. (Ray 98) G-2-173609 | Paleo Oil Company LLC only | Tulsita-Wilcox (MWC) | Bee | 1 | 25.1K | 1.63M | Apr 1999 – Jan 2019 |
| Arco Fee G-3-143640 | Pecos Petroleum Company only | Highbaugh (Wilcox 9800 Sand) | Tyler | 1 | 24.4K | 830K | by Jan 1993 – Mar 1996 |
| Stockton Gas Unit G-3-297146 | Viper S.W.D., LLC only | Menefee (Yegua EY 9850) | Wharton | 1 | 24.2K | 793K | Sep 2023 – May 2026 |