| D Roberts Ranch Dev Unit PF Well G-10-142083 | Continental Resources, Inc. only | Dora Roberts (Devonian) | Midland | 1 | 1.23M | 60.1M | by Jan 1993 – Aug 2026 |
| State Roberta Regan 57-T2-36 G-10-277458 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 473K | 2.02M | Oct 2014 – Aug 2026 |
| Robertson State Unit 2-7 G-10-290703 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Reeves | 1 | 400K | 1.14M | Dec 2015 – Aug 2026 |
| Roberts G-3-187473 | Noble Energy Inc only | Iowa Colony (9700 Vicksburg) | Brazoria | 1 | 190K | 3.74M | Dec 2001 – Apr 2006 |
| Direct-Robert-Gross SA G-2-295934 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-2) | Karnes | 1 | 189K | 807K | Jun 2023 – Aug 2026 |
| Flowers Brothers G-14-262331 | Winright Resources Operating,llc only | Roberts Co. (St. Louis) | Roberts | 1 | 173K | 14.7M | Dec 2010 – Aug 2022 |
| Flowers Brothers G-14-252019 | Mmgl Txph, LLC only | Roberts Co. (St. Louis) | Roberts | 1 | 148K | 11M | Dec 2008 – Aug 2026 |
| Robert Bowman Unit AC G-2-280469 | Marathon Oil EF LLC only | Sugarkane (Austin Chalk) | Karnes | 1 | 141K | 491K | Dec 2015 – Aug 2026 |
| Robert Bowman Unit AC G-2-280472 | Marathon Oil EF LLC only | Sugarkane (Austin Chalk) | Karnes | 1 | 116K | 466K | Dec 2015 – Jul 2026 |
| Koplar, Robert B. G-3-229703 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Washington | 1 | 116K | 1.21M | Jun 2004 – Jul 2026 |
| Robert Bowman Unit AC G-2-280468 | Marathon Oil EF LLC only | Sugarkane (Austin Chalk) | Karnes | 1 | 107K | 456K | Dec 2015 – Aug 2026 |
| Pool-A G-10-32925 | OXY USA WTP LP only | Dora Roberts (Devonian) | Midland | 1 | 94.3K | 250K | by Jan 1993 – Jan 2015 |
| J.L. Flowers G-14-265071 | BE Anadarko II, LLC only | Roberts Co. (St. Louis) | Roberts | 1 | 93.6K | 8.32M | Aug 2011 – May 2025 |
| Roberts G-3-209006 | Noble Energy Inc only | Iowa Colony (9700 Vicksburg) | Brazoria | 1 | 92.3K | 2.3M | Apr 2005 – Jan 2008 |
| Flowers C3 G-14-276066 | BE Anadarko II, LLC only | Roberts Co. (St. Louis) | Roberts | 1 | 92.1K | 4.11M | Aug 2014 – Aug 2026 |
| Doyle, Robert B G-14-279850 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 91.8K | 847K | May 2014 – Aug 2026 |
| Moore, Robert Estate G-3-157898 | Verdun Oil & Gas LLC only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 88.2K | 2.21M | Feb 1996 – Jul 2026 |
| Roberts/Miller-Holloway G.U. G-5-124987 | Highmark Energy Operating, LLC only | Sand Trap (James Lime) | Henderson | 1 | 87.3K | 25.3M | by Jan 1993 – Mar 2023 |
| Mills 2 G-14-267106 | Unbridled Resources, LLC only | Roberts Co. (St. Louis) | Roberts | 1 | 84.2K | 4.43M | Jun 2012 – Aug 2026 |
| Flowers Brothers G-14-253233 | Mmgl Txph, LLC only | Roberts Co. (St. Louis) | Roberts | 1 | 83.5K | 5.78M | Jul 2009 – Aug 2026 |
| Doyle, Robert B G-14-274227 | Resource Oil and Gas, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 80.3K | 715K | Nov 2012 – Aug 2026 |
| Robertson G-2-192291 | Merit Energy Company only | Speaks (16250 Wilcox) | Lavaca | 1 | 79.8K | 4.25M | Nov 2002 – Aug 2026 |
| Wallin, H. C. G-10-179261 | Pioneer Natural Res. USA, Inc. only | Dora Roberts (Devonian) | Midland | 1 | 77.3K | 2.29M | Aug 2000 – Aug 2026 |
| J. Flowers XS G-14-275082 | BE Anadarko II, LLC only | Roberts Co. (St. Louis) | Roberts | 1 | 76.4K | 5.7M | Sep 2013 – Aug 2026 |
| Flowers XS G-14-269133 | BE Anadarko II, LLC only | Roberts Co. (St. Louis) | Roberts | 1 | 75K | 7.16M | Sep 2012 – Aug 2026 |
| Reynolds-Parks G-10-216457 | Chevron Midcontinent, L.P. only | Dora Roberts (Devonian) | Midland | 1 | 70.7K | 1.98M | Nov 2003 – Aug 2026 |
| Moore, Robert T. Estate G-3-144908 | Verdun Oil & Gas LLC only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 67.5K | 1.42M | Feb 1993 – Nov 2024 |
| W. Flowers G-14-267293 | Winright Resources Operating,llc only | Roberts Co. (St. Louis) | Roberts | 1 | 67.1K | 6.57M | Dec 2011 – Apr 2020 |
| Robertson, Joe G-13-187396 | BKM Production only | Sherman (Ordivician 9,450) | Grayson | 1 | 65.4K | 1.28M | Dec 2001 – Aug 2026 |
| Doyle, Robert B G-14-274226 | Resource Oil and Gas, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 62.7K | 958K | Nov 2012 – Aug 2026 |
| Flowers W3 G-14-276344 | Winright Resources Operating,llc only | Roberts Co. (St. Louis) | Roberts | 1 | 60K | 2.32M | Mar 2014 – Jul 2022 |
| Doyle, Robert B. G-14-266559 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 59.8K | 644K | Sep 2010 – Apr 2023 |
| Sutter's Mill G-14-253028 | Blackbeard Operating, LLC only | Roberts Co. (St. Louis) | Roberts | 1 | 59.2K | 3.26M | Jul 2009 – Feb 2021 |
| Doyle, Robert B G-14-278802 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 59K | 600K | Feb 2015 – Aug 2026 |
| Robertson G-2-191230 | Merit Energy Company only | Speaks (12700 Wilcox) | Lavaca | 1 | 59K | 4.09M | Feb 2002 – Oct 2022 |
| J. Flowers XS G-14-275130 | BE Anadarko II, LLC only | Roberts Co. (St. Louis) | Roberts | 1 | 58.7K | 3.28M | Apr 2014 – Aug 2026 |
| Doyle, Robert B G-14-266469 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 55.4K | 358K | Sep 2011 – Jul 2026 |
| Robertson Hill Ranch C G-13-275758 | Willowbend Investments, Inc. only | Newark, East (Barnett Shale) | Palo Pinto | 1 | 54K | 916K | Jul 2008 – Mar 2022 |
| Sutter's Mill G-14-270797 | Winright Resources Operating,llc only | Roberts Co. (St. Louis) | Roberts | 1 | 54K | 7.12M | Feb 2013 – May 2019 |
| Moore, Robert Unit G-3-156775 | Verdun Oil & Gas LLC only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 53.7K | 1.56M | Aug 1995 – Aug 2026 |
| Doyle, Robert B G-14-280319 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 53.6K | 646K | Nov 2015 – Aug 2026 |
| Doyle, Robert 'B' G-14-279623 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 52.8K | 788K | Feb 2015 – Aug 2026 |
| Meek. Robert E. G-3-250514 | Faulconer Energy, LLC only | Porter's Creek (Yegua) | Wharton | 1 | 52K | 2M | Apr 2009 – Aug 2026 |
| Doyle, Robert B G-14-279847 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 51.8K | 638K | Nov 2014 – Aug 2026 |
| Flowers C3 G-14-273084 | BE Anadarko II, LLC only | Roberts Co. (St. Louis) | Roberts | 1 | 49.6K | 4.49M | May 2013 – Aug 2026 |
| Doyle, Robert B G-14-267105 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 49.1K | 118K | Apr 2011 – Sep 2019 |
| Flowers XS G-14-275162 | BE Anadarko II, LLC only | Roberts Co. (St. Louis) | Roberts | 1 | 49K | 4.92M | Aug 2013 – Aug 2026 |
| Sutter's Mill G-14-245467 | Winright Resources Operating,llc only | Roberts Co. (St. Louis) | Roberts | 1 | 47.6K | 4.02M | Aug 2008 – Mar 2018 |
| Roberts, C.H. Gas Unit G-6-160085 | Merit Energy Company only | Glenwood (Cotton Valley) | Upshur | 1 | 47.4K | 2.27M | Sep 1996 – Aug 2026 |
| Doyle, Robert B G-14-278576 | Highmark Energy Operating, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 45.8K | 497K | Feb 2015 – Aug 2026 |