| Pierce Estates O-3-6715 | Remora Management, LLC only | Magnet Withers | Wharton | 146 | 4.66M | 4.21M | Jan 1993 – Jul 2026 |
| Pierce Estates O-3-6720 | Remora Management, LLC only | Withers, North (-C- Sand) | Wharton | 22 | 1.21M | 851K | Jan 1993 – Jul 2026 |
| Pierce Estates B O-3-24339 | Remora Management, LLC only | Magnet Withers (F-13-A) | Wharton | 8 | 983K | 602K | Mar 2003 – Jul 2026 |
| Pierce Estates, Inc. O-3-4526 | McGowan Working Partners, Inc. only | Withers, North | Wharton | 39 | 980K | 289K | Jan 1993 – Jul 2026 |
| Taylor Heirs O-3-24948 | Morgan Enterprises, Inc. only | Pierce Junction | Harris | 15 | 872K | 268K | Oct 2006 – Jul 2026 |
| Pierce Estates -A- O-3-3349 | Remora Management, LLC only | Pickett Ridge | Wharton | 22 | 843K | 153K | Jan 1993 – Jul 2026 |
| Pierce Estates O-3-6719 | Remora Management, LLC only | Withers, North | Wharton | 23 | 782K | 1.1M | Jan 1993 – Jul 2026 |
| Pierce Estates, Inc. O-3-12650 | McGowan Working Partners, Inc. only | Withers, North (-a- Sand) | Wharton | 20 | 515K | 151K | Jan 1993 – Jul 2026 |
| Pierce Ranch N 4900 Unit O-3-24336 | McGowan Working Partners, Inc. only | Pierce Ranch (4900) | Wharton | 14 | 476K | 570K | May 2003 – Jul 2026 |
| Pierce Estates C O-3-24211 | Remora Management, LLC only | Magnet Withers (F-17) | Wharton | 9 | 476K | 535K | Jun 2002 – Jul 2026 |
| Pierce Estates C O-3-24959 | Remora Management, LLC only | Magnet Withers (F-19) | Wharton | 5 | 331K | 361K | Jan 2007 – Jul 2026 |
| Smith-Mopac Unit O-3-22130 | Morgan Enterprises, Inc. only | Pierce Junction | Harris | 2 | 275K | 38.4K | Aug 1993 – May 2016 |
| Pierce Ranch N 4850 Unit O-3-24337 | McGowan Working Partners, Inc. only | Pierce Ranch (4850) | Wharton | 7 | 245K | 112K | May 2003 – Jul 2026 |
| Taylor, E. R., Etal O-3-3363 | Chevron U. S. A. Inc. only | Pierce Junction | Harris | 13 | 204K | 90.6K | Jan 1993 – Aug 2003 |
| Pierce Estate O-3-15059 | McGowan Working Partners, Inc. only | Pierce Ranch (4900) | Wharton | 6 | 184K | 203K | Jan 1993 – Jul 2003 |
| Pierce, Victoria O-3-21585 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 173K | 1.58M | Jan 1993 – Jul 2026 |
| Pierce Estates -E- O-3-11218 | McGowan Working Partners, Inc. only | Pierce Ranch (4900) | Wharton | 6 | 155K | 187K | Jan 1993 – May 2003 |
| Pierce, Reuben O-6-13469 | Diversified Production LLC only | Waskom (Hammond Sand) | Harrison | 2 | 150K | 461K | Oct 1995 – Jul 2026 |
| Howard-Pierce Unit O-3-26391 | Vess Oil Corporation only | Madisonville, W. (Woodbine -A-) | Madison | 1 | 148K | 84.2K | Jan 2014 – Jul 2026 |
| Pierce Estates C O-3-7163 | Apache Corporation only | Magnet Withers (F-22) | Wharton | 6 | 142K | 113K | Jan 1993 – Apr 2020 |
| Pierce, J. S. O-8-3926 | Delta Oil & Gas Ltd. only | Stephens County Regular | Stephens | 9 | 95K | 895K | Jan 1993 – Jul 2026 |
| Pierce, Reuben O-6-14019 | Diversified Production LLC only | Waskom (Frazier) | Harrison | 1 | 87.4K | 234K | Aug 2000 – Jul 2026 |
| Shell Littman O-10-36162 | Pierce Production Company, LLC only | Smith (Clear Fork) | Andrews | 1 | 83.2K | 81K | Oct 1999 – Jul 2026 |
| Pierce Estate "J" O-3-16480 | McGowan Working Partners, Inc. only | Pierce Ranch (4900) | Wharton | 3 | 81K | 92.7K | Jan 1993 – Jul 2003 |
| Pierce Estate O-3-16436 | Viper S.W.D., LLC only | B U Ranch (Seg C Marg.) | Wharton | 1 | 80.2K | 271 | Jan 1993 – Jul 2026 |
| Pierce Estate C O-3-25205 | Apache Corporation only | Magnet Withers (F-22 A) | Wharton | 1 | 79.7K | 76K | Aug 2008 – Apr 2018 |
| Pierce Estates O-3-7164 | Apache Corporation only | Magnet Withers (F-21) | Wharton | 5 | 73.9K | 164K | Jan 1993 – Apr 2020 |
| Pierce, Susan -A- O-5-1094 | Zogreo Energy Inc. only | Sulphur Bluff | Hopkins | 9 | 72.8K | 21 | Jan 1993 – Jul 2026 |
| Pierce Estate C O-3-25285 | Remora Management, LLC only | Magnet Withers (Frio Cons.) | Wharton | 5 | 69.9K | 94.8K | Oct 2008 – Jul 2026 |
| Pierce Estates C O-3-24998 | Apache Corporation only | Magnet Withers (F-24) | Wharton | 2 | 68.8K | 59K | Mar 2007 – Apr 2012 |
| Settegast, L. J. O-3-13450 | Maverick Oil Company LLC only | Pierce Junction | Harris | 3 | 68.2K | 151 | Jan 1993 – Jul 2026 |
| Shell-Littman O-10-6157 | Pierce Production Company, LLC only | Smith (Clear Fork) | — | 2 | 65.1K | 179K | Jan 1993 – Jul 2026 |
| Taylor, E. R. O-3-23040 | Chevron U. S. A. Inc. only | Pierce Junction | Harris | 1 | 64.9K | 14.3K | May 1996 – Aug 2003 |
| Pierce Estate O-3-25637 | Remora Management, LLC only | Magnet Withers (F-22) | Wharton | 3 | 64.3K | 128K | Aug 2010 – Jul 2026 |
| Pierce, Tommie O-8-26379 | Quail Well Service, Inc. only | Maryneal (Canyon) | Nolan | 1 | 59.4K | 240K | Jan 1993 – Jul 2026 |
| Pierce, Helen H., /Fee/ O-5-1390 | Corsicana Crude Company, LLC only | Corsicana (Shallow) | Navarro | 15 | 56.5K | 20 | Jan 1993 – Jul 2026 |
| Cross "A" O-10-33603 | Pierce Production Company, LLC only | Jordan (Wichita Albany) | Crane | 1 | 55.1K | 18.6K | Jan 1993 – Jul 2026 |
| Pierce Estate O-3-12311 | CHP Oil & Gas Company, L.C. only | Hutchins-Kubela (Frio Lower) | Wharton | 1 | 53.2K | 7.71K | Jan 1993 – Jul 2026 |
| Cain, H. C. -A- O-3-3382 | Silverbrook Operating, LLC only | Pierce Junction | — | 2 | 50.2K | 11 | Jan 1993 – Jul 2026 |
| Pierce 14 O-11-70567 | Tacoma Operating LLC only | Cmi (Spraberry) | Dawson | 1 | 49.5K | 10.3K | Apr 2017 – Jul 2026 |
| Kelly O-1-15217 | Shidler, Mark L., Inc. only | Austin Pierce (Austin Chalk) | Gonzales | 1 | 49.2K | 16.3K | Feb 2010 – Jul 2026 |
| Pierce Estates 'J' O-3-16197 | McGowan Working Partners, Inc. only | Pierce Ranch (4850) | Wharton | 2 | 49K | 60.4K | Jan 1993 – Jul 2003 |
| McCarthy Family Trust 97 O-3-25825 | C & E Operating, Inc. only | Seabreeze (Pierce) | Chambers | 1 | 46.6K | 183K | Sep 2011 – May 2021 |
| Reuben Pierce Oil Unit O-6-15724 | Diversified Production LLC only | Waskom (Travis Peak 1) | Harrison | 1 | 43.1K | 166K | Sep 2019 – Jul 2026 |
| Taylor, E. R. O-3-24715 | Primal Energy Corporation only | Pierce Junction | Harris | 3 | 40.1K | 0 | Jun 2005 – Dec 2018 |
| Pierce O-3-19879 | Goldsmith Operating, LLC only | Halliday (Woodbine) | Leon | 1 | 39.7K | 19.9K | Jan 1993 – Jul 2026 |
| Pierce O-5-3403 | Zogreo Energy Inc. only | Sulphur Bluff (Rodessa) | Hopkins | 1 | 39.2K | 9.2K | Jan 1993 – Jul 2026 |
| Pierce Estate O-3-25554 | Apache Corporation only | Magnet Withers (F-16) | Wharton | 6 | 38.5K | 126K | Jul 2010 – Aug 2017 |
| Pierce Estate O-3-25798 | Remora Management, LLC only | Magnet Withers (F-18, East) | Wharton | 2 | 37.5K | 76.8K | Apr 2011 – Jul 2026 |
| Pierce Estate O-3-11947 | CHP Oil & Gas Company, L.C. only | Hutchins, South (5800) | Wharton | 1 | 36.4K | 5.03K | Jan 1993 – Jul 2026 |