| Elmer 33-67 O-10-42530 | TRP Operating LLC only | Two Georges (Bone Spring) | Ward | 10 | 1.78M | 4.16M | Feb 2012 – Aug 2026 |
| Elmer 33-67 O-10-49615 | TRP Operating LLC only | Phantom (Wolfcamp) | Loving | 5 | 1.36M | 8.79M | Aug 2017 – Aug 2026 |
| Hitt, Elmer O-11-4625 | R2Q Operating LLC only | P. H. D. | Garza | 4 | 208K | 38.3K | by Jan 1993 – Aug 2026 |
| Hitt, Elmer O-11-67517 | R2Q Operating LLC only | P. H. D. (Basal San Andres) | Garza | 1 | 158K | 36.3K | Feb 1996 – Jun 2019 |
| 8204 JV-P Elmer O-10-35223 | BTA Oil Producers only | Cobra (Wolfcamp) | Glasscock | 1 | 146K | 184K | Feb 1997 – Aug 2002 |
| 8204 JV-P Elmer O-10-33846 | BTA Oil Producers only | Cobra (Wolfcamp) | Glasscock | 2 | 132K | 115K | May 1993 – May 1996 |
| Whatley, Elmer O-6-12768 | Cass Energy LLC only | Haynes (Mitchell) | Cass | 2 | 90.2K | 21 | by Jan 1993 – Aug 2026 |
| Johnson, Elmer, G. Etal O-4-3374 | Citation Oil & Gas Corp. only | Willamar | Willacy | 1 | 83.7K | 192K | by Jan 1993 – Feb 2020 |
| McKinney, Elmer O-8-18454 | Long Trusts, The only | Herrin, N. (Strawn) | Haskell | 5 | 66.5K | 21 | by Jan 1993 – Jul 2026 |
| Johnson, Elmer O-2-7487 | McGowan Working Partners, Inc. only | Lolita, Deep (4-Way Zone) | Jackson | 2 | 66.4K | 206K | by Jan 1993 – Aug 2026 |
| Cordova Union -A- O-9-897 | Helmerich & Payne, Inc. only | McCamey | Upton | 3 | 34.4K | 18 | by Jan 1993 – Jul 1999 |
| Ward, Elmer O-5-2907 | J.F.W. Equipment, Inc. only | Pleasant Ridge (Woodbine) | Leon | 1 | 33.6K | 5.61K | by Jan 1993 – Mar 2023 |
| 8204 JV-P Elmer O-10-28966 | OXY USA Inc. only | Blalock Lake (Wolfcamp) | Glasscock | 1 | 25.4K | 11.9K | by Jan 1993 – Mar 2018 |
| Elmer Sparks-Bussard 63 A O-14-9891 | Mewbourne Oil Company only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 25.3K | 59K | Feb 2026 – Aug 2026 |
| Helmers O-9-13091 | Lavanco Energy, Ltd. only | Kurland Bow Tye (Canyon Sand) | Schleicher | 3 | 24.5K | 50.5K | by Jan 1993 – Mar 2018 |
| Helmers O-9-13296 | Lavanco Energy, Ltd. only | Kurland Bow Tye (Strawn Sand) | Schleicher | 4 | 21.7K | 274K | by Jan 1993 – Mar 2018 |
| Jordan, Elmer "B" O-8-18798 | Craruth Energy Corporation only | Price-Jordan (Saddle Creek) | Nolan | 2 | 18.5K | 21 | by Jan 1993 – Nov 2015 |
| Helmers "B" O-9-13403 | Remuda Operating Company only | Kurland Bow Tye (Strawn Sand) | Schleicher | 1 | 15.4K | 100K | Feb 1993 – May 2000 |
| Grant, E. D. O-13-17983 | Grant, Elmer D., Estate Of only | Montague County Regular | Montague | 5 | 11.2K | 40 | by Jan 1993 – Jun 2026 |
| 8204 JV-P Elmer O-10-52528 | OXY USA Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 10.9K | 2.1K | Oct 2020 – Aug 2026 |
| Childers, Elmer O-6-13784 | Big Run Production Company only | Jolene (Travis Peak) | Rusk | 1 | 10.1K | 380K | Nov 1997 – Jan 2010 |
| Parrish, Elmer J. -A- O-3-13401 | Torch Operating Company only | Giddings (Austin Chalk-3) | Lee | 2 | 9.99K | 110K | by Jan 1993 – Oct 1995 |
| Jordan, Elmer "A" O-8-16331 | Craruth Energy Corporation only | Price-Jordan (Saddle Creek) | Nolan | 1 | 8.94K | 21 | by Jan 1993 – Feb 2012 |
| Jordan, Elmer "C" O-8-23760 | Craruth Energy Corporation only | Price-Jordan (Saddle Creek) | Nolan | 4 | 7.28K | 21 | by Jan 1993 – Jul 2005 |
| Caswell, Elmer & William O-13-15709 | Caswell Bros. Oil Co. only | McCoco (Caddo Congl.) | Montague | 1 | 6.8K | 98 | by Jan 1993 – Nov 2010 |
| Robinson, Elmer O-13-23538 | Mitchell Energy Corporation only | Chico, West (Conglomerate 5700) | Wise | 3 | 5.99K | 394K | by Jan 1993 – Jul 1998 |
| Jordan, Elmer "C" O-8-21982 | Price, W. H. only | Price-Jordan (Upper Cisco) | Nolan | 2 | 5.73K | 21 | by Jan 1993 – Mar 1997 |
| Hitt, Elmer O-11-64843 | R2Q Operating LLC only | P. H. D. (Glorieta) | Garza | 2 | 5.34K | 1.07K | by Jan 1993 – Jan 1996 |
| Helmers "A" O-9-13360 | Smith Pipe of Abilene only | Kurland Bow Tye (Strawn Sand) | Schleicher | 2 | 4.3K | 95.7K | by Jan 1993 – Apr 1996 |
| Sparks, Elmer E. "A" O-14-5339 | Crescendo Resources, L.P. only | Higgins, West (Tonkawa) | Hemphill | 1 | 4.01K | 148K | by Jan 1993 – Jun 1999 |
| Krause, Elmer O-3-14611 | Geosouthern Energy Corporation only | Giddings (Austin Chalk-3) | Fayette | 1 | 3.41K | 23.2K | by Jan 1993 – Jan 1997 |
| Cannon, Elmer M. O-3-21440 | Cavalier Oil & Gas, Inc. only | Bonney (Frio a, Upper) | Brazoria | 1 | 1.28K | 8 | Feb 1993 – Jul 1997 |
| Childers, Elmer O-6-15079 | Big Run Production Company only | Minden (Travis Peak Cons.) | Rusk | 1 | 1.2K | 127K | Feb 2010 – Mar 2025 |
| Lewis, Elmer O-13-15204 | Upham Oil & Gas Company only | Jack County Regular | Jack | 1 | 623 | 37K | by Jan 1993 – May 2003 |
| Buie, Elmer O-6-5920 | Tex-OK Energy, Ltd Partnership only | Buie (Woodbine) | Upshur | 3 | 506 | 9 | by Jan 1993 – Sep 1993 |
| Jordan, Elmer O-8-32078 | Mag Exploration LLC only | Price-Jordan (Saddle Creek) | Nolan | 1 | 475 | 0 | Apr 2017 – Feb 2022 |
| Paramount-Zbikowski O-2-7745 | Great Western Onshore Inc. only | Elmer Kolle (Frio 4825) | Victoria | 1 | 429 | 11.7K | by Jan 1993 – May 1993 |
| Helmer, Richard O-3-17700 | E P C Oil & Gas, Inc. only | Hooker Creek (Navarro A) | Lee | 1 | 206 | 29 | Feb 1993 – Aug 2015 |
| Helmers, Sandra Hall O-9-13611 | Remuda Operating Company only | H-J (Strawn) | Schleicher | 1 | 170 | 2 | Aug 1993 – Sep 1993 |
| Fohn, Elmer -B- O-1-5551 | V/J Oil Company only | Taylor-Ina | Medina | 4 | 167 | 12 | by Jan 1993 – Jan 1994 |
| Powers, Juanita O-13-26781 | Helmer Energy & Stanton Engr. only | Vogtsberger, South(conglomerate) | Archer | 1 | 140 | 2.92K | by Jan 1993 – Jan 1996 |
| Bodkin B O-13-26534 | Helmer Energy & Stanton Engr. only | Vogtsberger, South(conglomerate) | Archer | 1 | 28 | 9.24K | by Jan 1993 – Jan 1994 |
| Bodkin A O-13-26512 | Helmer Energy & Stanton Engr. only | Vogtsberger, South(conglomerate) | Archer | 1 | 13 | 694 | by Jan 1993 – Jan 1994 |
| Reed, Elmer O-13-15855 | Sandia Petroleum Co. Inc. only | Alma, W (Congl. 4170) | Montague | 1 | 0 | 0 | — |
| Robinson, Elmer O-13-28097 | Mitchell Energy Corporation only | Chico, West (Kenkirk SS) | Wise | 1 | 0 | 0 | — |
| Scott, Jack O-5-3867 | Helmer Energy only | Wildcat | Delta | 1 | 0 | 0 | — |
| Elmer O-10-37450 | Crescent Energy Operating, LLC only | Vermejo (Delaware) | Ward | 1 | 0 | 0 | — |
| Gau Elmer O-3-19832 | Miller, Bob I. only | Jackson Pasture, E. (FB-2, F-1) | Chambers | 1 | 0 | 0 | — |
| Meek "A" O-2-8948 | Brayton Operating Corp. only | Elmer Kolle (Frio 4825) | Victoria | 2 | 0 | 0 | — |
| Whatley, Elmer O-6-2045 | Beacon Petroleum Corporation only | Haynes (Hill) | Cass | 1 | 0 | 0 | — |