| Central Robertson Clearfork Unit O-11-66464 | Shell Western E&P Inc. only | Wildcat | Gaines | 1 | 0 | 0 | Jan 1993 – Nov 1993 |
| Shell - More "C" O-11-66996 | Texland Petroleum, L.P. only | Ownby, West (San Andres) | Yoakum | 1 | 0 | 0 | Apr 1993 – Jul 2026 |
| Shell, Charles B. O-11-67314 | Enterprise Products Operatingllc only | Seminole, West | Gaines | 1 | 0 | 0 | Nov 1994 – Jul 2026 |
| Shell Western E & P Inc O-11-68770 | Bam Permian Operating, LLC only | Wasson (Penn.) | Yoakum | 1 | 0 | 0 | Jun 2003 – Jul 2026 |
| Shell Stephens O-11-70040 | Shell Western E&P only | Wildcat | Lynn | 1 | 0 | 0 | Jul 2012 – May 2015 |
| Exxon-Shell Fee O-11-71162 | Citation Oil & Gas Corp. only | Harris (San Andres) | Gaines | 1 | 0 | 0 | Feb 2020 – Jul 2026 |
| Turbeville O-13-135 | Peden, Marshell only | Archer County Regular | — | 4 | 0 | 0 | Jan 1993 – Feb 1993 |
| McCrory, L. W. -G- O-13-671 | Shell Western E&P Inc. only | Archer County Regular | — | 1 | 0 | 0 | Jan 1993 – Mar 1994 |
| Bailey, W. E. O-13-931 | Peden, Marshell only | Demoss (Strawn) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Sweeney, Helen O., Mrs. O-13-2732 | Shell Western E&P Inc. only | Big Mineral Creek (V Sdstn.) | Grayson | 1 | 0 | 0 | Jan 1993 – Nov 1993 |
| Graham, M. -A- O-13-7726 | Shell Western E&P Inc. only | Beth (Bend Conglomerate) | — | 1 | 0 | 0 | Jan 1993 – Apr 1994 |
| Williams, L. -A- O-13-7777 | Peden, Marshell only | Burns-Ragland (Strawn 3200) | — | 3 | 0 | 0 | Jan 1993 – Jul 2026 |
| Steedman, S. D. Unit -A- O-13-8282 | Shell Western E&P Inc. only | Big Mineral Creek (V Sdstn.) | Grayson | 1 | 0 | 0 | Jan 1993 – Nov 1993 |
| Phillips, H. N. O-13-11396 | Peden, Marshell only | Acme, SE. (4200 Sand) | — | 1 | 0 | 0 | Jan 1993 – Aug 1993 |
| Irvin, H. L. O-13-13708 | Shell Western E&P Inc. only | Conley (Osage) | — | 1 | 0 | 0 | Jan 1993 – May 1994 |
| Shell Unit O-13-15452 | Lewis Operating Company only | Reno (Strawn 3900 Sand) | — | 1 | 0 | 0 | Jan 1993 – Aug 1994 |
| Scaling, C. W. et Al O-13-26361 | Peden, Marshell only | Clay County Regular | Clay | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Aminex X O-13-27807 | Shelley, Richard W only | Archer County Regular | Archer | 1 | 0 | 4 | Jan 1993 – Oct 1994 |
| Wit's End O-13-30739 | Shelley, Richard W only | Boonsville (Bend Congl., Gas) | Jack | 1 | 0 | 0 | Dec 2006 – Apr 2008 |
| Shellberg O-14-6709 | Phillips Petroleum Company only | Panhandle Moore County Field | Moore | 2 | 0 | 0 | Jan 1993 – Apr 2002 |
| Shell Fee '21' O-14-8515 | Mewbourne Oil Company only | Lipscomb, S.E. (Cleveland) | Hemphill | 3 | 0 | 0 | Apr 2012 – Apr 2017 |
| Marcia-Shelly (SA) Unit 2 O-2-11714 | Baytex Energy USA, Inc. only | Eagleville (Eagle Ford-2) | Lavaca | 1 | 0 | 0 | Jan 2019 – May 2024 |
| Comanche 87 G-1-248916 | Shell Western E&P only | Wildcat | Maverick | 1 | 0 | 0 | Jun 2007 – Jul 2012 |
| Shell Chittim G-1-260007 | Blackbrush O & G, LLC only | Wildcat | Maverick | 1 | 0 | 213 | Jul 2010 – Sep 2016 |
| Shell Shock Unit G-1-298801 | Verdun Oil & Gas LLC only | Eagleville (Eagle Ford-1) | McMullen | 1 | 0 | 898K | Nov 2023 – Jul 2026 |
| Shell Shock Unit G-1-298802 | Verdun Oil & Gas LLC only | Eagleville (Eagle Ford-1) | McMullen | 1 | 0 | 629K | Nov 2023 – Jul 2026 |
| Shelly, T. P. G-2-3914 | Wyrick & Hughes only | Refugio Heard (4600) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Shelly G-2-3938 | Omelveny, J. M., Prod. Co. only | Refugio Old | — | 1 | 0 | 0 | Jan 1993 – Dec 2016 |
| Ryals, Shelly G-2-3947 | Wyrick & Hughes only | Refugio Old (2000) | — | 1 | 0 | 0 | Jan 1993 – Dec 2016 |
| Ryals, Shelly G-2-3953 | Wyrick & Hughes only | Refugio Old (3400) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Hultquist, M. G-2-30789 | Shell Western E&P Inc. only | Ganado (Marg. B) | — | 1 | 0 | 0 | Jan 1993 – May 1997 |
| M & O Gas Unit G-2-50662 | Shell Western E&P Inc. only | Ganado (3675) | — | 1 | 0 | 0 | Jan 1993 – May 1997 |
| Drushell, S. G. -a- O/A G-2-84313 | P&B Petroleum LLC only | Cordele (M-1U) | — | 1 | 0 | 360 | Jan 1993 – Jul 2026 |
| Ryals, Shelly G-2-135011 | Laquey, E. C. only | Refugio Heard (Area) | — | 1 | 0 | 0 | Jan 1993 – May 1993 |
| Shelly Griffith G-2-137843 | Legacy Exploration, Inc. only | Papalote, W. (Griffith Ranch) | Bee | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Neuhaus, E. T. G-2-153526 | Shell Western E&P Inc. only | Provident City (Yegua 5770) | Lavaca | 1 | 0 | 155K | Jan 1995 – Nov 1997 |
| Mansker-Shell Unit G-2-183334 | Hughes, Dan A. Company only | Causey (7750) | Bee | 1 | 0 | 611K | Jan 2001 – Nov 2005 |
| Mansker-Shell Unit G-2-183339 | Hughes, Dan A. Company only | Causey (7870) | Bee | 1 | 0 | 1.46M | Jan 2001 – Nov 2005 |
| Schaefer G-2-222952 | Big Shell Oil & Gas, Inc. only | Cottonwood Creek, S. (Yegua 4500 | De Witt | 1 | 0 | 1.35K | Jul 2006 – Feb 2007 |
| Shell G-2-269099 | Excellong, Inc. only | Tulsita-Wilcox (7490) | Bee | 1 | 0 | 294 | Mar 2012 – Dec 2013 |
| Shelly Unit G-2-281963 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-2) | Lavaca | 1 | 0 | 407K | Jul 2014 – Jul 2026 |
| Marcia-Shelly (SA) Unit 2 G-2-296445 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-2) | Lavaca | 1 | 0 | 1.49M | Jan 2019 – Jul 2026 |
| Marcia-Shelly (SA) Unit 1 G-2-297714 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-2) | Lavaca | 1 | 0 | 1.22M | Jan 2019 – Jul 2026 |
| Shell Point Unit G-3-60674 | Bridge Oil Company, L. P. only | Rattlesnake Mound, W. (Schenck) | — | 1 | 0 | 0 | Jan 1993 – Jan 1993 |
| Poo&g-Shell F A Knoche GU #1 G-3-69041 | Cactus Energy Corporation only | Rock Island, W. (Wilcox 9900) | Colorado | 1 | 0 | 0 | Jan 1993 – May 2007 |
| Shelly Branch Unit G-3-98992 | Exxon Corp. only | Giddings (Austin Chalk, Gas) | Lee | 1 | 0 | 24.8K | Jan 1993 – Mar 1994 |
| Shelly Branch Unit No. 2 G-3-100625 | Exxon Corp. only | Giddings (Austin Chalk, Gas) | Lee | 1 | 0 | 0 | Jan 1993 – Sep 1996 |
| S.T. 446L SW, Shell S.T. 77323 G-3-104741 | Capco Offshore of Texas, Inc. only | Brazos Block 446L SW-4 (M15C) | Brazos-LB | 1 | 0 | 0 | Jan 1993 – Jul 2017 |
| Shellhammer G-3-107648 | Torch Operating Company only | Devil (Fault Block B) | Jefferson | 1 | 0 | 0 | Jan 1993 – Aug 1993 |
| Shellhammer G-3-129828 | Torch Operating Company only | Devil (Fault Blk. B,u.discorbis) | Jefferson | 1 | 0 | 18.4K | Jan 1993 – Nov 1994 |