| Three Sisters 01 O-2-11430 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 12 | 2.41M | 9.84M | Oct 2017 – Aug 2026 |
| Three Sisters O-10-43039 | New Height Energy, LLC only | Jailhouse (Fusselman) | Glasscock | 4 | 890K | 329K | Jun 2012 – Jun 2026 |
| H Sisters A O-2-11063 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 7 | 408K | 4.31M | Aug 2015 – Aug 2026 |
| State B&B Sisters 0833B-143 O-10-51062 | Swordfish Energy Operating, LLC only | Phantom (Wolfcamp) | Pecos | 1 | 307K | 414K | Oct 2018 – Aug 2026 |
| Ibrom a-H Sisters B SA O-2-11145 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 296K | 2.17M | Aug 2015 – Aug 2026 |
| Cocke, William C. O-4-12988 | Remora Operating, LLC only | Seven Sisters, E. (Loma Novia) | Duval | 1 | 268K | 111K | Oct 2000 – Jan 2026 |
| H Sisters B O-2-11066 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 10 | 266K | 1.74M | Aug 2015 – Aug 2026 |
| Sisters 17 O-10-51694 | Swordfish Energy Operating, LLC only | Wolfbone (Trend Area) | Pecos | 1 | 241K | 263K | Sep 2018 – Aug 2026 |
| Sisters O-14-6561 | Presidio Petroleum LLC only | Bradford (Tonkawa) | Lipscomb | 6 | 206K | 1.27M | by Jan 1993 – Feb 2021 |
| State B&B Sisters 0833A-143 O-10-48906 | Swordfish Energy Operating, LLC only | Phantom (Wolfcamp) | Pecos | 1 | 172K | 384K | Apr 2017 – Jul 2026 |
| Sisters O-8-30555 | Scout Energy Management LLC only | Hardrock (King Sand) | Nolan | 2 | 155K | 14.4K | Jul 2010 – Dec 2020 |
| Welder Hrs. "A" O-4-2840 | McGowan Working Partners, Inc. only | Seven Sisters | Duval | 3 | 113K | 6.91K | Apr 1995 – Apr 2023 |
| Irvin Sisters 53M O-14-9800 | King Operating Corporation only | Allen-Parker (Marmaton) | Ochiltree | 1 | 99.8K | 224K | Mar 2022 – Aug 2026 |
| Welder, J. F., Hrs. -B- O-4-2852 | United Operating, LLC only | Seven Sisters | Duval | 9 | 95.2K | 98 | by Jan 1993 – Nov 2015 |
| Plomero-Three Sisters 07 B O-2-13235 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Live Oak | 1 | 90.2K | 243K | Mar 2026 – Aug 2026 |
| Meek, W. W. O-4-7507 | Serna Inc. only | Seven Sisters, S. (Yegua 3660) | Duval | 2 | 82.5K | 15 | by Jan 1993 – Aug 2026 |
| Wallace, H. W., Est. -B- O-2-1974 | Warner Sisters, LLC only | Dunwolters (Seg. D) | Karnes | 1 | 76.5K | 21 | by Jan 1993 – Aug 2026 |
| Serna, R. O-4-2860 | Serna Inc. only | Seven Sisters | Duval | 10 | 72.2K | 47 | by Jan 1993 – Jul 2026 |
| Welder, J. F., Hrs. -320- O-4-2857 | United Operating, LLC only | Seven Sisters | Duval | 14 | 72.2K | 99 | by Jan 1993 – Nov 2015 |
| Three Sisters Unit O-3-22909 | Anadarko E&P Company LP only | Giddings (Austin Chalk-3) | Fayette | 1 | 68K | 200K | Dec 1995 – Jan 2004 |
| Welder Hrs. O-4-2839 | McGowan Working Partners, Inc. only | Seven Sisters | Duval | 6 | 67K | 18 | Apr 1993 – Jan 2013 |
| Badgley, A. H. Fee O-4-2861 | Hilcorp Energy Company only | Seven Sisters | Duval | 8 | 63.2K | 19 | by Jan 1993 – Aug 2026 |
| Serna, Refugio O-4-2826 | Serna Inc. only | Seven Sisters | Duval | 3 | 59K | 38 | by Jan 1993 – Aug 2026 |
| Yaeger, R. R. O-4-4761 | Warner Sisters, LLC only | Stroman (Ohern -B- Sand) | Jim Hogg | 2 | 57.5K | 21 | by Jan 1993 – Aug 2026 |
| Welder, J.F., Heirs "C" O-4-2842 | United Operating, LLC only | Seven Sisters | Duval | 5 | 55.5K | 86 | Feb 1993 – Nov 2015 |
| Badgley, A. H. O-4-2829 | Providence Oil Prod. only | Seven Sisters | Duval | 3 | 54.1K | 266 | by Jan 1993 – Jun 2026 |
| Welder, J. F., Hrs. -B- O-4-6554 | R&B Oil and Gas, LLC only | Seven Sisters, W. (Cole 1725) | Duval | 2 | 53.8K | 144 | by Jan 1993 – Aug 2026 |
| Welder, J. F., Hrs. -E- O-4-2816 | Stonegate Operators, Inc. only | Seven Sisters | Duval | 2 | 51.5K | 142 | by Jan 1993 – Sep 2009 |
| Cantu Oil Unit O-4-13067 | Remora Operating, LLC only | Seven Sisters, E. (Loma Novia) | Duval | 2 | 44.7K | 83.2K | Jan 2002 – Apr 2017 |
| Welder Heirs -A- O-4-5001 | Chandler Oil & Gas, LLC only | Seven Sisters | Duval | 4 | 37.6K | 144 | by Jan 1993 – Feb 2025 |
| Sling O-4-13737 | Dallas Petroleum Group, LLC only | Seven Sisters, W. (5700) | Duval | 1 | 33.1K | 0 | Jun 2012 – Aug 2026 |
| Sisters 28 O-14-9564 | Upland Resources LLC only | Feldman (Tonkawa) | Hemphill | 1 | 31.3K | 47.3K | Oct 2017 – Aug 2026 |
| Welder State O-4-2849 | United Operating, LLC only | Seven Sisters | Duval | 2 | 26.2K | 89 | by Jan 1993 – Oct 2015 |
| Three Sisters O-10-44455 | New Height Energy, LLC only | Spraberry (Trend Area) | Glasscock | 1 | 24.9K | 42.5K | Jun 2013 – Jun 2026 |
| Drummond, C. O. "A" O-4-10194 | Roger W. McCabe, Inc. only | Seven Sisters (2300) | Duval | 4 | 23K | 289K | by Jan 1993 – May 2016 |
| East Twin Sisters O-8-24186 | Iron Bell Operating, LLC only | Jones County Regular | Jones | 2 | 17.5K | 30 | by Jan 1993 – Mar 2024 |
| Welder, J. F., Heirs O-4-3600 | Chandler Oil & Gas, LLC only | Seven Sisters | Duval | 6 | 14.2K | 112 | Dec 1994 – Mar 2025 |
| Welder Heirs O-4-4933 | Chandler Oil & Gas, LLC only | Seven Sisters | Duval | 2 | 13.2K | 110 | Feb 1995 – Feb 2024 |
| Wynn, H. D., State-Davis O-4-2817 | Ragars Oil & Gas Co. only | Seven Sisters | Duval | 3 | 12.7K | 72 | by Jan 1993 – Aug 2026 |
| Twin Sisters O-8-24039 | Iron Bell Operating, LLC only | Jones County Regular | Jones | 3 | 11.2K | 29 | by Jan 1993 – Jun 2025 |
| Smith, T.D. State O-4-10158 | Killam Oil Co., Ltd. only | Seven Sisters, W. (5700) | Duval | 2 | 10.5K | 21.3K | by Jan 1993 – Jul 2011 |
| Smith, Temple D. O-4-2833 | DKW Energy, Inc. only | Seven Sisters | Duval | 6 | 8.34K | 18 | Feb 1993 – Apr 2000 |
| Compton Sisters "2960" O-8-30744 | Stober Oil and Gas Services, LLC only | Olive Mae (Caddo) | Stephens | 1 | 6.41K | 24.4K | Feb 2011 – Feb 2021 |
| Welder Heirs -B- O-4-5190 | L.T.D. Explorations Inc. only | Seven Sisters (Frio -C-) | Duval | 1 | 5.69K | 144 | by Jan 1993 – Apr 2011 |
| Seven Sisters (Mirando Sand)unit O-4-10400 | DKW Energy, Inc. only | Seven Sisters | Duval | 13 | 5.3K | 15 | May 1993 – Apr 1998 |
| East Twin Sisters "A" O-8-24491 | Iron Bell Operating, LLC only | Shinnery (Flippen) | Jones | 1 | 5.01K | 293 | by Jan 1993 – Jun 2024 |
| Badgley O-4-13234 | Ragars Oil & Gas Co. only | Seven Sisters | Duval | 1 | 4.73K | 0 | May 2004 – Aug 2026 |
| Welder, Hrs. -A- O-4-2821 | Hawk Petroleum, L L C only | Seven Sisters | Duval | 2 | 4.49K | 30 | by Jan 1993 – Jan 1998 |
| Spring Creek O-9-11332 | Sisters Operating Company only | Baker Ranch (Canyon) | Irion | 2 | 3.94K | 172K | by Jan 1993 – Nov 2004 |
| Welder Hrs. O-4-2820 | Hawk Petroleum, L L C only | Seven Sisters | Duval | 8 | 3.77K | 30 | by Jan 1993 – Jan 1998 |