| Moreland "29" O-10-36543 | Endeavor Energy Resources L.P. only | Spraberry (Trend Area) | Midland | 23 | 945K | 2M | Feb 2001 – Jun 2021 |
| Moreland "B" O-10-36617 | Diamondback E&P LLC only | Spraberry (Trend Area) | Midland | 2 | 89.7K | 217K | Mar 2001 – Apr 2026 |
| Moreland O-1-15088 | CML Exploration, LLC only | Pearsall (Austin Chalk) | Dimmit | 1 | 59.4K | 25.8K | Aug 2009 – Aug 2024 |
| Moreland "31" O-10-48504 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Midland | 8 | 53.2K | 202K | May 2017 – Feb 2025 |
| Briggs-Moreland GU O-6-13618 | XTO Energy Inc. only | Briggs (Upper Travis Peak) | Panola | 1 | 42.6K | 519K | Nov 1996 – Jul 2009 |
| Westmoreland, N. O-10-8595 | OXY USA Inc. only | Fort Stockton | Pecos | 6 | 35.8K | 69 | Jan 1993 – Mar 2014 |
| Moreland "C" O-10-36618 | Endeavor Energy Resources L.P. only | Spraberry (Trend Area) | Midland | 1 | 31.8K | 94.6K | Feb 2001 – Jul 2021 |
| Moreland "41A" O-10-48507 | Diamondback E&P LLC only | Spraberry (Trend Area) | Midland | 4 | 20.1K | 20.2K | May 2017 – Apr 2026 |
| Ragland, S.R. O-13-25040 | Creswell, R.G. only | Moreland (Strawn) | Young | 2 | 17.7K | 4.28K | Jan 1993 – Jun 2012 |
| Moreland, Virginia O-13-28743 | Bry-Tex Partners, LLC only | Avis, East (Bryson) | Jack | 2 | 16.9K | 8 | Feb 1994 – Jan 2013 |
| Moreland O-8-5026 | J B J Oil Properties, Inc. only | Schlittler | Young | 1 | 15.3K | 533K | Jan 1993 – Apr 2026 |
| Moreland et Al G-3-210789 | Oblaen Resources LLC only | Moreland Ranch (8140 Cook Mtn.) | Wharton | 1 | 10.9K | 1.75M | Mar 2005 – May 2016 |
| Westmoreland, J. W. G-3-162338 | Elliott Oil & Gas Operating Co. only | Bell Lake (9000) | Brazoria | 1 | 9.39K | 840K | Jun 1996 – Sep 2006 |
| Moreland "A" G-8-250092 | Petex only | Ivan, E. (Duffer) | Stephens | 1 | 9.02K | 338K | Jun 2009 – Apr 2026 |
| Westmoreland, W. O. O-3-11983 | Samson Lone Star LP only | Halliday, SE. (Lewisville 8700) | Madison | 2 | 8.48K | 2.2K | Jan 1993 – Aug 1997 |
| Westmoreland, T. L. G-6-114159 | Samson Lone Star, LLC only | Bethany (Pettit) | Panola | 1 | 6.3K | 828K | Jan 1993 – Oct 2008 |
| Westmoreland, J.W. O-3-18646 | Lapis Operating, Inc. only | Bell Lake (8800) | Brazoria | 1 | 5.69K | 3.44K | Jan 1993 – Mar 1995 |
| Kieler Heirs G-3-253419 | Choice Exploration, Inc. only | Moreland Ranch (8140 Cook Mtn.) | Wharton | 1 | 3.56K | 279K | Sep 2009 – Dec 2010 |
| Sinclair-Westmoreland CV G-6-242431 | Eqv Operating LLC only | Carthage, North (Cotton Valley) | Harrison | 1 | 3.29K | 570K | Jun 2008 – Apr 2026 |
| Westmoreland GU G-6-227341 | Graward Operating, Inc. only | Carthage (Cotton Valley) | Panola | 1 | 2.63K | 259K | Nov 2006 – Nov 2024 |
| McConnell-Moreland 28 O-8-30108 | Braka Operating, L.L.C. only | Norvell (Conglomerate) | Stephens | 1 | 2.59K | 48.8K | May 2008 – Jul 2014 |
| Westmoreland, Edward G-6-29429 | Brammer Petroleum, Inc. only | Bethany (Pettit) | Panola | 1 | 2.04K | 542K | Jan 1993 – Mar 2026 |
| Westmoreland Unit G-3-176256 | Apache Corporation only | Bernard, W. (Cook Mt. 7800) | Wharton | 1 | 1.93K | 968K | Dec 1999 – Jan 2008 |
| Westmoreland Unit 1 G-13-214343 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Parker | 1 | 1.91K | 4.1M | Oct 2005 – Apr 2026 |
| Moreland "33" O-10-48505 | Diamondback E&P LLC only | Spraberry (Trend Area) | Midland | 1 | 1.67K | 2.38K | May 2017 – May 2021 |
| Westmoreland Unit G-6-225240 | Comstock Oil & Gas, LLC only | Carthage, North (Cotton Valley) | Harrison | 1 | 1.26K | 116K | Jul 2006 – Jan 2020 |
| Edward Westmoreland Gas Unit 1 G-6-256066 | TGNR East Texas II LLC only | Carthage (Haynesville Shale) | Panola | 1 | 1.22K | 3.17M | Apr 2010 – Sep 2025 |
| Moreland G-10-134809 | Pbex Operations, LLC only | Bradford Ranch (Atoka) | Midland | 1 | 930 | 473K | Jan 1993 – Jun 2019 |
| Moreland et al Gas Unit G-3-282913 | Oblaen Resources LLC only | Moreland Ranch (7875 Cook Mtn.) | Wharton | 1 | 901 | 187K | Apr 2017 – Aug 2018 |
| Westmoreland, J. W. G-3-155577 | Lapis Operating, Inc. only | Bell Lake (9250) | Brazoria | 1 | 854 | 90K | Apr 1995 – May 1996 |
| Westmoreland Unit G-6-222432 | Comstock Oil & Gas, LLC only | Carthage, North (Cotton Valley) | Harrison | 1 | 817 | 171K | Jul 2006 – May 2019 |
| Moreland G-10-134808 | Pbex Operations, LLC only | Bradford Ranch (Atoka) | Midland | 1 | 795 | 641K | Jan 1993 – Apr 2023 |
| Westmoreland-Lancaster G-6-287370 | Comstock Oil & Gas, LLC only | Carthage (Haynesville Shale) | Harrison | 1 | 672 | 6.52M | May 2019 – Apr 2026 |
| Westmoreland-Lancaster G-6-287977 | Comstock Oil & Gas, LLC only | Carthage (Haynesville Shale) | Harrison | 1 | 633 | 8.61M | May 2019 – Apr 2026 |
| Moreland "41" O-10-48506 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Midland | 4 | 297 | 350 | May 2017 – Jun 2017 |
| Westmoreland E HV Gas Unit B G-6-286772 | TGNR East Texas II LLC only | Carthage (Haynesville Shale) | Panola | 1 | 242 | 10.6M | Nov 2018 – Apr 2026 |
| Westmoreland E HV Gas Unit C G-6-286835 | TGNR East Texas II LLC only | Carthage (Haynesville Shale) | Panola | 1 | 203 | 12.2M | Nov 2018 – Apr 2026 |
| Westmoreland E HV Gas Unit A G-6-286967 | TGNR East Texas II LLC only | Carthage (Haynesville Shale) | Panola | 1 | 197 | 13.2M | Nov 2018 – Apr 2026 |
| Briggs-Moreland GU G-6-252127 | XTO Energy Inc. only | Briggs (Upper Travis Peak) | Panola | 1 | 177 | 434K | Sep 2009 – Apr 2026 |
| Westmoreland G-3-234939 | Sandel Operating Company only | Bernard, W. (7700) | Wharton | 1 | 165 | 118K | Feb 2008 – Aug 2015 |
| Moreland-Bryan O-13-24406 | Hays, John H. only | Sullivan (Caddo) | Young | 1 | 93 | 21 | Jan 1993 – Aug 1995 |
| Moreland G-8-221564 | Petex only | Ivan (Congl. 4000) | Stephens | 1 | 71 | 453K | Sep 2006 – Apr 2026 |
| Westmoreland GU G-6-130195 | Brammer Petroleum, Inc. only | Cornwall (Travis Peak) | Panola | 1 | 69 | 2.34K | Jul 1993 – Jul 1994 |
| Briggs-Moreland G-6-260784 | XTO Energy Inc. only | Carthage (Haynesville Shale) | Panola | 1 | 50 | 4.76M | Sep 2010 – Apr 2026 |
| Goforth-Westmoreland SA G-13-260333 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Parker | 1 | 44 | 1.37M | Nov 2010 – Apr 2026 |
| Goforth-Westmoreland SA G-13-260329 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Parker | 1 | 37 | 1.09M | Sep 2010 – Apr 2026 |
| Briggs-Moreland GU G-6-129890 | XTO Energy Inc. only | Bethany (Cotton Valley) | Panola | 1 | 33 | 354K | Jun 2013 – Apr 2026 |
| Briggs-Moreland GU G-6-169594 | XTO Energy Inc. only | Bethany (Cotton Valley) | Panola | 1 | 9 | 1.15M | Jun 1998 – Jun 2015 |
| Briggs-Moreland GU G-6-139148 | XTO Energy Inc. only | Briggs (7800 Travis Peak) | Panola | 1 | 8 | 1.34M | Jan 1993 – May 2013 |
| Briggs-Moreland GU G-6-156275 | XTO Energy Inc. only | Briggs (7800 Travis Peak) | Panola | 1 | 4 | 1.78M | Oct 1995 – Feb 2019 |