| Doc Gardner C G-10-295297 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 254K | 1.05M | Nov 2022 – Aug 2026 |
| Gardner Duncan G-3-257155 | Sandel Operating Company only | Cypress Raven (Wilcox) | Wharton | 1 | 184K | 8.62M | Apr 2010 – Mar 2024 |
| Doc Gardner D G-10-295770 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 173K | 895K | Nov 2022 – Aug 2026 |
| Gardner et Al G-6-215837 | Burk Royalty Co., Ltd. only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 62.3K | 276K | Mar 2001 – Aug 2026 |
| Walker-Buckler G-8-102463 | Sojourner Drilling Corporation only | Rockwell (Gardner) | Shackelford | 1 | 19K | 236K | May 1993 – Jul 2026 |
| Burleson "34" G-8-195034 | Basin Operating Inc. only | Matthews (Gardner Sd.) | Shackelford | 1 | 17.6K | 858K | Apr 2003 – Aug 2026 |
| Hoelscher/Schwertner 3A G-9-159875 | Panamerican Operating Inc only | Pioneer-Miller (Gardner Lime) | Runnels | 1 | 12K | 248K | Sep 1996 – Jul 2010 |
| Rogers G-9-178819 | Ohlhausen Oil Company only | Spillkirk (Gardner) | Runnels | 1 | 6.6K | 113K | Jul 2000 – Jan 2011 |
| Gardner G-13-279855 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 6.56K | 180K | Apr 2016 – Mar 2026 |
| Newell 12-8 G-8-204324 | Van Operating, Ltd. only | Matthews, North (Gardner) | Shackelford | 1 | 4.99K | 57.1K | Sep 2004 – Jan 2015 |
| Doyle Family Trust G-13-187366 | Gardner Production, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 4.85K | 271K | Jan 2002 – Apr 2023 |
| Pirtle "A" G-9-262164 | Koko Skadi, LLC only | Cree-Sykes (Gardner, Upper) | Runnels | 1 | 4.83K | 185K | Dec 2010 – Jul 2026 |
| Gardner West G-13-266902 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 4.65K | 1.34M | Dec 2011 – Aug 2026 |
| Justice "A" G-8-147316 | Whitt Oil & Gas, Inc. only | Nena Gail (Gardner, Lower) | Coleman | 1 | 3.66K | 98.3K | Sep 1993 – Dec 2004 |
| Brunson, J L C G-9-151605 | Exxon Corp. only | Bronte (Gardner) | Coke | 1 | 3.62K | 159K | Aug 1994 – Dec 1995 |
| Gardner, William G-3-89567 | Fuji Resources Production Co,inc only | Whitehall (Wilcox 12,100) | Grimes | 1 | 3.25K | 143K | by Jan 1993 – Jun 1996 |
| Parker, David G-8-89791 | Gbtfta Operating, LLC only | Novice, West (Gardner 3700) | Coleman | 1 | 3.06K | 91.8K | by Jan 1993 – Nov 2001 |
| Gardner G-13-267473 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 2.98K | 1.43M | Dec 2011 – Aug 2026 |
| Newell 12-5 G-8-155627 | Van Operating, Ltd. only | Chief (Gardner) | Shackelford | 1 | 2.93K | 138K | Jul 1995 – Jul 2017 |
| Gardner Unit G-3-208839 | Cobra Oil & Gas Corporation only | Hull South (Cook Mtn. 9700) | Liberty | 1 | 2.88K | 196K | May 2005 – Jan 2006 |
| Gardner "233" G-13-221088 | Oakridge Oil and Gas, LP only | Newark, East (Barnett Shale) | Jack | 1 | 2.69K | 222K | Jun 2006 – Aug 2026 |
| Gardner G-8-236818 | Southlake Exploration, Inc. only | Mission Mtn. (Duffer) | Callahan | 1 | 2.23K | 8.98K | Dec 2007 – Aug 2008 |
| Pirtle G-9-221853 | Willowbend Investments, Inc. only | Cree-Sykes (Gardner, Upper) | Runnels | 1 | 2.15K | 158K | Sep 2006 – May 2010 |
| Berry G-13-241128 | Gardner Production, LLC only | Newark, East (Barnett Shale) | Jack | 1 | 2.14K | 17.8K | Jun 2012 – Jun 2023 |
| Dunlap G-8-128319 | Novo Exploration Corporation only | Francis K. (Gardner) | Coleman | 1 | 1.9K | 145K | by Jan 1993 – Dec 1996 |
| Gardner G-13-216208 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 1.62K | 38.5K | Jan 2006 – Mar 2014 |
| Eubanks G-9-265959 | Enrich Oil Corporation only | Winters, SW. (Gardner Lime) | Runnels | 1 | 1.48K | 6.15K | Aug 2012 – Dec 2012 |
| Gardner -B- G-14-115266 | Continental Trend Resources, Inc only | Ellis Ranch (Cleveland) | Ochiltree | 1 | 1.38K | 19.4K | by Jan 1993 – Aug 1995 |
| Richter 34 G-8-158036 | Clear Fork, Incorporated only | Great Barrier (Gardner Sd.) | Shackelford | 1 | 1.36K | 30.6K | Jan 1996 – Jun 1997 |
| Hanks, Billie, -A- G-8-49028 | Goodrock Natural Resources, LLC only | Hylton, NW. (Gardner SD) | Nolan | 1 | 1.35K | 20.1K | by Jan 1993 – Nov 2001 |
| Landers G-8-123880 | Dino Operating LLC only | Grimm (Gardner) | Coleman | 1 | 1.34K | 79.5K | by Jan 1993 – May 2009 |
| Sykes, B. C. G-9-62049 | Revard Petroleum, L.L.C. only | Hollow Creek (Gardner) | Runnels | 1 | 1.27K | 142K | by Jan 1993 – Jun 2008 |
| Helm "A" G-8-118292 | Campana Petroleum Company only | Watts (Gardner Sand) | Nolan | 1 | 1.21K | 305K | by Jan 1993 – Mar 2015 |
| Tillery Gardner Unit G-13-284411 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 1.08K | 9.6K | Mar 2018 – Jul 2026 |
| Bolin, C. H. G-8-136865 | Breck Operating Corp. only | Watts (Gardner Sand) | Nolan | 1 | 975 | 103K | by Jan 1993 – Jul 2001 |
| Roberts, Alton G-8-148131 | Heart Land Petroleum Corporation only | Proctor (Gardner) | Taylor | 1 | 933 | 9.73K | Feb 1994 – Jan 1995 |
| Gardner 233 (Ann Abernathie) G-13-233583 | Oakridge Oil and Gas, LP only | Newark, East (Barnett Shale) | Jack | 1 | 748 | 395K | May 2007 – May 2024 |
| Hoelscher/Schwertner 2A G-9-159874 | Pioneer Energy Corporation only | Pioneer-Miller (Gardner Lime) | Runnels | 1 | 743 | 25.4K | Oct 1996 – Mar 1998 |
| McBryde,parales G-8-17367 | Drum, Delton only | Bradshaw (Gardner) | Taylor | 1 | 669 | 19.6K | by Jan 1993 – Jan 1997 |
| Gardner, John G-4-56288 | Lewis Petro Properties, Inc. only | Tom Walsh (Olmos) | Webb | 1 | 463 | 271K | Oct 1996 – Aug 2026 |
| Hartgrove 132 G-9-126618 | Sequoia Fossil Fuels, Inc. only | Paint Rock, West (Gardner) | Concho | 1 | 413 | 287K | Jul 1993 – Aug 2002 |
| Chadbourne Ranch 302-B G-9-133263 | Westport Oil and Gas Company, LP only | Laura Gail (Gardner) | Coke | 1 | 372 | 348K | by Jan 1993 – Apr 2001 |
| Gardner G-13-212081 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 369 | 61.9K | Sep 2005 – Mar 2019 |
| Bristow G-8-124881 | Windham Resources only | Lake Novice (Gardner) | Coleman | 1 | 344 | 14.3K | by Jan 1993 – Nov 2005 |
| Logan-Gardner G-13-151941 | BJ Operating, Inc. only | Cottle (Bend Conglomerate) | Young | 1 | 309 | 7.47K | Nov 1994 – Jul 1999 |
| Bragg G-9-162894 | Cedar Oil Company only | Douglas (Gardner Sd.) | Runnels | 1 | 308 | 13.8K | Apr 1997 – Aug 2006 |
| Dietz, W. H. - Hazel G-9-162782 | Cedar Oil Company only | Vanderlaan-Freedman (Gardner) | Runnels | 1 | 260 | 24.3K | Apr 1997 – Nov 2003 |
| Gardner Unit G-3-215965 | Cobra Oil & Gas Corporation only | Hull, South (Yegua 9620) | Liberty | 1 | 225 | 24K | Apr 2006 – May 2008 |
| Kearley G-8-127015 | Koko Skadi, LLC only | Echo, N. (Gardner) | Coleman | 1 | 210 | 28.9K | by Jan 1993 – Jun 2025 |
| Newell G-4 G-8-181189 | Van Operating, Ltd. only | Matthews, North (Gardner) | Shackelford | 1 | 203 | 15.8K | Feb 2001 – Apr 2002 |