| Hardy, Sarah Estate O-5-3016 | HD Operating Co, LLC only | Ham Gossett (Lewisville) | Kaufman | 1 | 165K | 21 | by Jan 1993 – Jan 2026 |
| Gates 07-Dr G-1-273362 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 163K | 2.56M | Feb 2013 – Aug 2026 |
| Scott-Lewis Unit 2 O-3-17900 | WCS Oil & Gas Corporation only | Giddings (Austin Chalk-3) | Lee | 1 | 162K | 1.74M | by Jan 1993 – Oct 2017 |
| Lewis Unit G-1-298820 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 160K | 417K | Dec 2018 – Aug 2026 |
| Lewis Unit G-1-298822 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 160K | 403K | Dec 2018 – Aug 2026 |
| Lewis O-1-16398 | Warwick-Artemis, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 157K | 70.1K | Dec 2012 – Aug 2026 |
| Cooke, Ethyl P. G.U. 'A' G-1-288200 | Lewis Petro Properties, Inc. only | Eagleville (Eagle Ford-1) | La Salle | 1 | 155K | 1.06M | Jul 2016 – Jul 2026 |
| Gates 07-Dr G-1-274442 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 149K | 2.46M | Aug 2013 – Aug 2026 |
| Gates 07-Dr G-1-271964 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 149K | 2.69M | Mar 2013 – Aug 2026 |
| Lewis Unit O-1-16102 | Trailblazer Energy Resources,llc only | Eagleville (Eagle Ford-1) | Atascosa | 1 | 148K | 97.7K | Jun 2012 – Aug 2026 |
| Gates 07-Dr G-1-273903 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 147K | 2.12M | Aug 2013 – Aug 2026 |
| Cotulla G-1-278884 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 147K | 2.85M | Feb 2015 – Aug 2026 |
| Martindale O-1-18412 | Lewis Petro Properties, Inc. only | Tres Encanto (Escondido) | La Salle | 2 | 142K | 3.16M | Jan 2013 – Aug 2026 |
| WK Unit 10 G-1-264019 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | La Salle | 1 | 141K | 1.92M | Jan 2012 – Aug 2026 |
| Gates 07-Dr G-1-271552 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 140K | 2.08M | Sep 2012 – Aug 2026 |
| Gates 07-Dr G-1-271983 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 140K | 2.34M | Mar 2013 – Aug 2026 |
| Gates N TR5 G-1-275469 | Lewis Petro Properties, Inc. only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 139K | 5.47M | Oct 2013 – Aug 2026 |
| Cotulla G-1-260127 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 138K | 2.38M | Sep 2010 – Aug 2026 |
| Lewis-Payne WB O-3-27786 | Wildfire Energy Operating LLC only | Madisonville, W. (Woodbine -A-) | Brazos | 1 | 138K | 122K | Dec 2019 – Jul 2026 |
| Gates 07-Dr G-1-260511 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 137K | 1.35M | Feb 2011 – Aug 2026 |
| Cocina Blanca SA H G-1-299081 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | La Salle | 1 | 136K | 1.73M | Feb 2025 – Aug 2026 |
| Gates 07-Dr G-1-271410 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 135K | 1.92M | May 2013 – Aug 2026 |
| Cotulla G-1-267434 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 129K | 1.89M | Jan 2012 – Aug 2026 |
| Cocina Blanca SA G G-1-298914 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | La Salle | 1 | 129K | 1.77M | Feb 2025 – Aug 2026 |
| Cotulla G-1-278858 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 128K | 2.5M | Feb 2015 – Aug 2026 |
| Gates 07-Dr G-1-271551 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 128K | 1.99M | Sep 2012 – Aug 2026 |
| Lewis & Clark 'S' O-1-20620 | Millennium Exploration Co. LLC only | First Shot (Austin Chalk) | Gonzales | 1 | 125K | 0 | May 2022 – Apr 2026 |
| Gates 07-Dr G-1-299889 | Lewis Petro Properties, Inc. only | Lorenzo (Austin Chalk) | Webb | 1 | 125K | 773K | Jul 2025 – Aug 2026 |
| WK Unit 16 O-1-17251 | Lewis Petro Properties, Inc. only | Eagleville (Eagle Ford-1) | La Salle | 1 | 125K | 445K | Jun 2013 – Aug 2026 |
| Lewis, T. D. NCT-4 O-14-1275 | Large Operating LLC only | Panhandle Hutchinson County Fld. | Hutchinson | 22 | 124K | 196K | by Jan 1993 – Jul 2026 |
| Gates 07-Dr G-1-267608 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 123K | 2.7M | Jan 2012 – Aug 2026 |
| Cotulla G-1-275646 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 123K | 2.02M | Dec 2013 – Aug 2026 |
| Cotulla G-1-296332 | Lewis Petro Properties, Inc. only | Lorenzo (Austin Chalk) | Dimmit | 1 | 123K | 982K | Oct 2023 – Aug 2026 |
| Cotulla G-1-278859 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 123K | 2.19M | Feb 2015 – Aug 2026 |
| Rutty, May O-13-15797 | Lewis Operating Company only | Archer County Regular | Archer | 7 | 122K | 21 | by Jan 1993 – Aug 2026 |
| Gates 07-Dr G-1-272766 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 122K | 2.46M | Aug 2013 – Aug 2026 |
| Cotulla G-1-266290 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 121K | 2.13M | Oct 2011 – Aug 2026 |
| Hixon G-1-268639 | Lewis Petro Properties, Inc. only | Eagleville (Eagle Ford-1) | La Salle | 1 | 121K | 1.32M | Apr 2012 – Aug 2026 |
| Tomball Lewis Petrich O. U. #1 O-3-7666 | Tandem Energy Corporation only | Tomball (Lewis 5930) | Harris | 1 | 120K | 166K | by Jan 1993 – Aug 2026 |
| Gates 07-Dr G-1-296670 | Lewis Petro Properties, Inc. only | Lorenzo (Austin Chalk) | Webb | 1 | 119K | 986K | Jan 2024 – Aug 2026 |
| Gates 07-Dr G-1-272025 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 119K | 1.95M | Sep 2012 – Aug 2026 |
| Gates 07-Dr G-1-272751 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 119K | 1.7M | Jun 2013 – Aug 2026 |
| Skaggs, Lewis O-13-23244 | MHM Pipeline Co., Inc. only | Crooked Creek (Weir) | Jack | 4 | 118K | 21 | by Jan 1993 – Mar 2026 |
| Gates 07-Dr G-1-263543 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 117K | 1.5M | Apr 2011 – Aug 2026 |
| Lewis, T. D. NCT-1 O-14-1273 | Large Operating LLC only | Panhandle Hutchinson County Fld. | Hutchinson | 23 | 117K | 304K | by Jan 1993 – Jul 2026 |
| Gates 07-Dr G-1-271409 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 115K | 1.75M | May 2013 – Aug 2026 |
| Lewis 32 G-14-280331 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 115K | 1.42M | Feb 2016 – Aug 2026 |
| Gates 07-Dr G-1-299960 | Lewis Petro Properties, Inc. only | Lorenzo (Austin Chalk) | Webb | 1 | 114K | 770K | Jul 2025 – Aug 2026 |
| Gates 11-Dr GU JJ G-1-278921 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 114K | 3.03M | Mar 2015 – Aug 2026 |
| Gates 07-Dr G-1-275443 | Lewis Petro Properties, Inc. only | Briscoe Ranch (Eagleford) | Webb | 1 | 114K | 2.13M | Jul 2014 – Aug 2026 |