| Choate Fee O-3-224 | Tandem Energy Corporation | Batson New | Hardin | 57 | 960K | 41.8K | Jan 1993 – Apr 2026 |
| Milo, E. F. O-3-8383 | Tandem Energy Corporation | Tomball (Schultz SE.) | Harris | 7 | 502K | 965K | Jan 1993 – Apr 2026 |
| Theis, Fritz, a/C #1 O-3-8389 | Tandem Energy Corporation | Tomball (Schultz SE.) | Harris | 4 | 375K | 751K | Jan 1993 – Apr 2026 |
| Laird, O. L. O-3-8380 | Tandem Energy Corporation | Tomball (Schultz SE.) | Harris | 2 | 349K | 526K | Jan 1993 – Apr 2026 |
| Michel, A. H. O-3-8381 | Tandem Energy Corporation | Tomball (Schultz SE.) | Harris | 2 | 282K | 469K | Jan 1993 – Apr 2026 |
| Schultz, E. -A- O-3-9415 | Tandem Energy Corporation | Tomball (Schultz Central) | Harris | 1 | 225K | 335K | Jan 1993 – Apr 2026 |
| Holderrieth, C. B. O-3-8371 | Tandem Energy Corporation | Tomball (Schultz SE.) | Harris | 1 | 182K | 295K | Jan 1993 – Apr 2026 |
| Reid, John D. O-3-8388 | Tandem Energy Corporation | Tomball (Schultz SE.) | Harris | 5 | 180K | 272K | Jan 1993 – Apr 2026 |
| Theis, Fritz, a/C #1 O-3-6895 | Tandem Energy Corporation | Tomball (Lewis 5930) | Harris | 4 | 179K | 264K | Jan 1993 – Apr 2026 |
| Michel, M. F. O-3-8382 | Tandem Energy Corporation | Tomball (Schultz SE.) | Harris | 2 | 174K | 244K | Jan 1993 – Apr 2026 |
| Tomball Gas Unit No. 9 G-3-207934 | Tandem Energy Corporation | Tomball (Michel) | Harris | 1 | 172K | 1.19M | Jan 2005 – Apr 2026 |
| Tomball Lewis Petrich O. U. #1 O-3-7666 | Tandem Energy Corporation | Tomball (Lewis 5930) | Harris | 1 | 120K | 165K | Jan 1993 – Apr 2026 |
| Paraffine Oil Corporation O-3-5198 | Tandem Energy Corporation | Batson New | Hardin | 10 | 94.8K | 8 | Jan 1993 – Apr 2026 |
| Holderrieth, John, a/C #2 O-3-8374 | Tandem Energy Corporation | Tomball (Schultz SE.) | Harris | 1 | 71.2K | 103K | Jan 1993 – Mar 2022 |
| Michel, A. H. O-3-18034 | Tandem Energy Corporation | Tomball (Lewis 5930) | Harris | 1 | 69.9K | 138K | Jan 1993 – Apr 2004 |
| Holderrieth, John, a/C #1 O-3-8373 | Tandem Energy Corporation | Tomball (Schultz SE.) | Harris | 2 | 53.4K | 63.5K | Jan 1993 – Jan 2016 |
| Tomball Lewis Oil Unit #1 O-3-16930 | Tandem Energy Corporation | Tomball (Lewis 5930) | Harris | 2 | 47K | 134K | Jan 1993 – Mar 2021 |
| Tomball Petrich Sd. Oil Unit #1 O-3-8775 | Tandem Energy Corporation | Tomball (Petrich) | Harris | 1 | 33.6K | 82.8K | Jan 1993 – Jul 2003 |
| Handy, E. W. O-3-8366 | Tandem Energy Corporation | Tomball (Schultz SE.) | Harris | 1 | 13.6K | 5.31K | Jan 1993 – Nov 1998 |
| Michel, M. F. O-3-6950 | Tandem Energy Corporation | Tomball (Lewis 5930) | Harris | 1 | 11.6K | 19.3K | Jan 1993 – Sep 1999 |
| Bird, Henry O-8-27156 | Tandem Energy Corporation | Sergio (Strawn) | Palo Pinto | 2 | 6.89K | 14 | Apr 1994 – Apr 2026 |
| Bugg, John L. O-3-13060 | Tandem Energy Corporation | Giddings (Austin Chalk-3) | Burleson | 2 | 6.38K | 56.6K | Jan 1993 – Oct 2014 |
| Ball G-8-186406 | Tandem Energy Corporation | Birdsong (Lake Sand) | Palo Pinto | 1 | 5.56K | 426K | Nov 2001 – Apr 2026 |
| Ball O-8-5439 | Tandem Energy Corporation | Palo Pinto County Regular | Palo Pinto | 4 | 3.05K | 283K | Jan 1993 – Oct 1998 |
| Bugg O-3-19813 | Tandem Energy Corporation | Big -a- Taylor | Burleson | 1 | 2.41K | 45.9K | Jan 1993 – Mar 2014 |
| Ball O-8-29707 | Tandem Energy Corporation | C.B. Long, (Marble Falls) | Palo Pinto | 2 | 1.5K | 45K | Feb 2006 – Apr 2007 |
| Ball G-8-70068 | Tandem Energy Corporation | Palo Pinto Co. Reg. (Gas) | Palo Pinto | 1 | 1.25K | 39.2K | Jan 1993 – Nov 1996 |
| Tomball Gas Unit 9 G-3-146082 | Tandem Energy Corporation | Tomball (Wilcox 8400) | Harris | 1 | 934 | 270K | Jul 1993 – Mar 2001 |
| Boatman, Nora et al -D- O-10-26621 | Tandem Energy Corporation | U S M (Queen) | Pecos | 1 | 902 | 1.77K | Jan 1993 – Nov 2003 |
| Ball G-8-255750 | Tandem Energy Corporation | Strawn, East (Marble Falls) | Palo Pinto | 1 | 722 | 276K | Oct 2009 – Jan 2026 |
| Tomball Gas Unit "9" G-3-248052 | Tandem Energy Corporation | Tomball (Wilcox 8860, 2ND) | Harris | 1 | 326 | 446K | Mar 2008 – Dec 2019 |
| Ball G-8-197334 | Tandem Energy Corporation | C.B. Long, (Marble Falls) | Palo Pinto | 1 | 319 | 337K | Sep 2003 – Apr 2026 |
| Ball G-8-184082 | Tandem Energy Corporation | C.B. Long, (Marble Falls) | Palo Pinto | 1 | 313 | 239K | Jul 2001 – Dec 2004 |
| Ball G-8-273851 | Tandem Energy Corporation | Strawn, East (Marble Falls) | Palo Pinto | 1 | 305 | 136K | Mar 2013 – Mar 2024 |
| Tomball GU 9 G-3-51663 | Tandem Energy Corporation | Tomball (Schultz SE.) | Harris | 1 | 195 | 73.6K | Jan 1993 – Sep 2010 |
| Ball G-8-226666 | Tandem Energy Corporation | C.B. Long, (Marble Falls) | Palo Pinto | 1 | 153 | 154K | Apr 2007 – Apr 2026 |
| Ball G-8-208550 | Tandem Energy Corporation | Pywacket, (Duffer) | Palo Pinto | 1 | 148 | 323K | Jan 2005 – Jun 2018 |
| Bird, Henry G-8-215635 | Tandem Energy Corporation | Strawn (Marble Falls Strawn) | Palo Pinto | 1 | 128 | 120K | Feb 2006 – Apr 2026 |
| Ball G-8-263501 | Tandem Energy Corporation | Birdsong (Lake Sand) | Palo Pinto | 1 | 126 | 162K | Jul 2010 – Sep 2017 |
| Bird, Henry O-8-29043 | Tandem Energy Corporation | Palo Pinto County Regular | Palo Pinto | 1 | 76 | 1.3K | Aug 2001 – Jul 2002 |
| Tomball GU 6 G-3-71536 | Tandem Energy Corporation | Tomball (Cockfield Upper 5500) | Harris | 1 | 75 | 320K | Jan 1993 – Aug 2002 |
| Tomball GU 9 G-3-127891 | Tandem Energy Corporation | Tomball (Lewis 5930, East) | Harris | 1 | 73 | 101K | Aug 1999 – Apr 2026 |
| Ball G-8-76163 | Tandem Energy Corporation | Strawn, East (Marble Falls) | Palo Pinto | 1 | 49 | 950K | Jan 1993 – Jan 2026 |
| Bird, Henry G-8-201667 | Tandem Energy Corporation | Palo Pinto Co. Reg. (Gas) | Palo Pinto | 1 | 48 | 107K | Jun 2004 – Jul 2013 |
| Ball G-8-128255 | Tandem Energy Corporation | Strawn, East (Marble Falls) | Palo Pinto | 1 | 41 | 515K | Jan 1993 – Feb 2019 |
| Ball G-8-172322 | Tandem Energy Corporation | Palo Pinto Co. Reg. (Gas) | Palo Pinto | 1 | 40 | 221K | Feb 1999 – Nov 2010 |
| Ball G-8-241378 | Tandem Energy Corporation | Strawn, East (Marble Falls) | Palo Pinto | 1 | 39 | 100K | Dec 2007 – Aug 2020 |
| Ball G-8-273813 | Tandem Energy Corporation | Birdsong (Lake Sand) | Palo Pinto | 1 | 35 | 2.88K | Jan 2011 – Feb 2015 |
| Ball "Ashworth" G-8-86556 | Tandem Energy Corporation | Strawn, East (Marble Falls) | Palo Pinto | 1 | 24 | 438K | Jan 1993 – Jun 2017 |
| Ball G-8-205001 | Tandem Energy Corporation | Rector (Barnett Shale) | Palo Pinto | 1 | 19 | 178K | Sep 2004 – Apr 2026 |