| McNabb O-13-19811 | Lewis Operating Company only | F. H. McNabb (Miss) | Hardeman | 3 | 1.34M | 1.84M | Jan 1993 – Mar 2022 |
| Van,sw Lewisville Unit O-5-1943 | Basa Resources, Inc. only | Van,s.w. (Lewisville) | Van Zandt | 68 | 1.06M | 129K | Jan 1993 – Jul 2026 |
| Lewis Trap CA S02 O-9-22675 | Discovery Natural Resources LLC only | Spraberry (Trend Area) | Irion | 7 | 703K | 2.07M | Mar 2024 – Jul 2026 |
| Storey-Peebles Unit O-1-17998 | Lewis Petro Properties, Inc. only | Tres Encanto (Escondido) | LA Salle | 4 | 634K | 3.84M | Oct 2012 – Jul 2026 |
| Lewis Unit O-1-17388 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 4 | 441K | 817K | Dec 2013 – Jul 2026 |
| Lewis O-1-14675 | Rickaway Energy, Corp. only | San Miguel Creek (Wilcox Cons.) | McMullen | 4 | 405K | 76.3K | Feb 2006 – Jul 2026 |
| Lewis, Josie, et AL O-6-4070 | Tower Resources Inc only | Slocum, NW. (Pepper, Lower) | Anderson | 3 | 332K | 187K | Jan 1993 – Jul 2026 |
| Lewis-Payne O-5-4426 | Wildfire Energy Operating LLC only | Aguila Vado (Eagleford) | Brazos | 2 | 329K | 110K | Dec 2019 – Jul 2026 |
| Hatfield, Eva O-3-763 | Lewis Operating Company only | Clodine | — | 3 | 300K | 52.8K | Jan 1993 – Jul 2026 |
| Short O-13-21042 | Lewis Operating Company only | Short (Ellenburger) | Clay | 6 | 292K | 74.4K | Jan 1993 – Jul 2026 |
| Thornton O-1-18219 | Lewis Petro Properties, Inc. only | Eagleville (Eagle Ford-1) | LA Salle | 2 | 278K | 1.5M | May 2014 – Jul 2026 |
| Lewis O-3-28121 | Vess Oil Corporation only | Madisonville, W. (Woodbine -A-) | Madison | 2 | 259K | 109K | Nov 2023 – Jul 2026 |
| Wong-Storey O-1-18063 | Lewis Petro Properties, Inc. only | Tres Encanto (Escondido) | LA Salle | 2 | 249K | 5.36M | Feb 2014 – Jul 2026 |
| Lewis EF Unit O-3-27469 | Wildfire Energy Operating LLC only | Giddings (Eagleford) | Burleson | 1 | 248K | 38.3K | Sep 2017 – Jul 2026 |
| Broughton-Lewis Heirs Unit O-3-23356 | Wildfire Energy Operating LLC only | Giddings (Buda) | Robertson | 1 | 243K | 49.6K | May 1997 – Jul 2026 |
| Lewis & Wicks O-6-1467 | McCormick Production Co, Inc. only | Rodessa (Dees Young) | Cass | 3 | 238K | 43.5K | Jan 1993 – Jul 2026 |
| Dorrance, J. K. & Wing, W. G. O-3-762 | Lewis Operating Company only | Clodine | — | 1 | 237K | 53.1K | Jan 1993 – Jul 2026 |
| Pearson, Paul O-9-6159 | Lewis, T. K. only | Pure-Bean, South | Crockett | 14 | 237K | 72 | Jan 1993 – Jul 2026 |
| Hull Silk 4000-Foot Lim Unit O-13-17288 | Lewis Operating Company only | Hull-Silk-Sikes (4000) | Archer | 38 | 234K | 21 | Jan 1993 – Jul 2026 |
| Vick Trust Unit B O-3-26660 | Wildfire Energy Operating LLC only | Madisonville, E. (Lewisville) | Madison | 1 | 210K | 1.67M | Dec 2013 – Jul 2026 |
| Lewis 15 O-10-45427 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Martin | 4 | 210K | 343K | May 2014 – Jul 2026 |
| Lewis Unit O-3-25921 | Wildfire Energy Operating LLC only | Cooks Point (Woodbine) | Brazos | 1 | 208K | 89.7K | Feb 2012 – Jul 2026 |
| Storey Unit B O-1-18416 | Lewis Petro Properties, Inc. only | Tres Encanto (Escondido) | LA Salle | 2 | 206K | 1.94M | Feb 2013 – Jul 2026 |
| George GU A O-1-18676 | Lewis Petro Properties, Inc. only | Eagleville (Eagle Ford-1) | LA Salle | 1 | 206K | 944K | Mar 2015 – Jul 2026 |
| Lewis, Sam O-3-8397 | Tortuga Operating Company only | Tomball (Schultz SE.) | Harris | 6 | 205K | 68.7K | Jan 1993 – Jul 2026 |
| Lewis "36" O-10-37898 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 4 | 203K | 228K | Oct 2006 – Jul 2026 |
| Lewis, Kathleen O-10-22467 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 8 | 185K | 302K | Jan 1993 – Jul 2026 |
| Theis, Fritz, a/C #1 O-3-6895 | Tandem Energy Corporation only | Tomball (Lewis 5930) | Harris | 4 | 179K | 264K | Jan 1993 – Jul 2026 |
| South Van, Lewisville,w. F. Unit O-5-1734 | Basa Resources, Inc. only | Van | Van Zandt | 57 | 174K | 19.7K | Jan 1993 – Jul 2026 |
| Lewis Unit O-3-23202 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 1 | 172K | 21.8K | Feb 1997 – Jul 2026 |
| Lewis O-1-13934 | Enerquest Operating L.L.C. only | San Miguel Creek, NE. (W-2) | McMullen | 1 | 170K | 65.4K | Jan 1995 – May 2006 |
| Hardy, Sarah Estate O-5-3016 | HD Operating Co, LLC only | Ham Gossett (Lewisville) | Kaufman | 1 | 165K | 21 | Jan 1993 – Jul 2026 |
| Scott-Lewis Unit 2 O-3-17900 | WCS Oil & Gas Corporation only | Giddings (Austin Chalk-3) | Lee | 1 | 162K | 1.74M | Jan 1993 – Mar 2018 |
| Lewis O-1-16398 | Warwick-Artemis, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 155K | 70.1K | Dec 2012 – Jul 2026 |
| Lewis Unit O-1-16102 | Trailblazer Energy Resources,llc only | Eagleville (Eagle Ford-1) | Atascosa | 1 | 147K | 97.7K | May 2012 – Jul 2026 |
| Gates 07-Dr O-1-21940 | Lewis Petro Properties, Inc. only | Lorenzo (Austin Chalk) | Webb | 1 | 143K | 610K | Jul 2025 – Jul 2026 |
| Martindale O-1-18412 | Lewis Petro Properties, Inc. only | Tres Encanto (Escondido) | LA Salle | 2 | 142K | 3.12M | Jan 2013 – Jul 2026 |
| Lewis-Payne WB O-3-27786 | Wildfire Energy Operating LLC only | Madisonville, W. (Woodbine -A-) | Brazos | 1 | 134K | 118K | Dec 2019 – Jul 2026 |
| Lewis & Clark 'S' O-1-20620 | Millennium Exploration Co. LLC only | First Shot (Austin Chalk) | Gonzales | 1 | 125K | 0 | May 2022 – Jul 2026 |
| WK Unit 16 O-1-17251 | Lewis Petro Properties, Inc. only | Eagleville (Eagle Ford-1) | LA Salle | 1 | 125K | 445K | Jun 2013 – Jul 2026 |
| Lewis, T. D. NCT-4 O-14-1275 | Large Operating LLC only | Panhandle Hutchinson County Fld. | Hutchinson | 22 | 124K | 196K | Jan 1993 – Jul 2026 |
| Rutty, May O-13-15797 | Lewis Operating Company only | Archer County Regular | Archer | 7 | 121K | 21 | Jan 1993 – Jul 2026 |
| Tomball Lewis Petrich O. U. #1 O-3-7666 | Tandem Energy Corporation only | Tomball (Lewis 5930) | — | 1 | 120K | 165K | Jan 1993 – Jul 2026 |
| Skaggs, Lewis O-13-23244 | MHM Pipeline Co., Inc. only | Crooked Creek (Weir) | Jack | 4 | 118K | 21 | Jan 1993 – Jul 2026 |
| Lewis, T. D. NCT-1 O-14-1273 | Large Operating LLC only | Panhandle Hutchinson County Fld. | — | 23 | 117K | 304K | Jan 1993 – Jul 2026 |
| Lewis & Estes O-11-65015 | Finley Resources, Inc. only | Hap (Devonian) | Gaines | 2 | 111K | 21 | Jan 1993 – Jul 2026 |
| Lewis, Sam O-3-6792 | Tortuga Operating Company only | Tomball (Lewis 5930) | Harris | 4 | 108K | 50.4K | Jan 1993 – Jul 2026 |
| Elizabeth O-3-26424 | Silver Oak Energy, LLC only | Madisonville, E. (Lewisville) | Madison | 1 | 107K | 135K | Jul 2013 – Apr 2016 |
| VT Storey, H. D. O-1-4231 | Lewis Petro Properties, Inc. only | Storey (5250) | LA Salle | 2 | 104K | 75.8K | Jan 1993 – Jul 2025 |
| Lewis O-1-18073 | Magnolia Oil & Gas Operating LLC only | Briscoe Ranch (Eagleford) | Zavala | 1 | 102K | 31.8K | Jun 2014 – Jul 2026 |