| Booth, T. R. O-3-4100 | Thompson | Fort Bend | 35 | 117K | 117K | Jun 2012 – Jul 2024 | P.o.&g. Operating, LLC |
| Wolters, R. A. Etal -B- O-3-4152 | Thompson, South | Fort Bend | 10 | 88K | 90.9K | Jun 2012 – Jul 2024 | P.o.&g. Operating, LLC |
| George, A. P. O-3-4111 | Thompson | Fort Bend | 10 | 84.3K | 38.2K | Jun 2012 – Jul 2024 | P.o.&g. Operating, LLC |
| Edwards & Riggins O-3-4102 | Thompson | Fort Bend | 4 | 31.3K | 70.3K | Jun 2012 – Jul 2024 | P.o.&g. Operating, LLC |
| Conroe Field Unit G-3-166840 | Conroe | Montgomery | 1 | 0 | 284K | Nov 2015 – Jul 2024 | Highmark Energy Operating, LLC |
| Wolters, R. A., Etal O-3-4157 | Thompson, South | Fort Bend | 10 | 51.6K | 56.1K | Jun 2012 – Jun 2024 | P.o.&g. Operating, LLC |
| Davis, J.H.P. G-3-293556 | Thompson, South | Fort Bend | 1 | 0 | 4.54K | Sep 2022 – Jun 2024 | P.o.&g. Operating, LLC |
| Hammerstrom, A. O-3-4105 | Thompson | Fort Bend | 4 | 26K | 441 | Jun 2012 – Apr 2024 | P.o.&g. Operating, LLC |
| Gubbels, Mary Mrs. O-3-4112 | Thompson | Fort Bend | 17 | 118K | 88.6K | Jun 2012 – Jan 2024 | P.o.&g. Operating, LLC |
| H. O. F. A. B O-3-27957 | Manvel (F.B. II, Oligocene) | Brazoria | 1 | 31.6K | 5.84K | Dec 2021 – Dec 2023 | this operator |
| Conroe Field Unit G-3-276469 | Conroe | Montgomery | 1 | 943 | 82K | May 2015 – Oct 2023 | Highmark Energy Operating, LLC |
| Lockwood, H. P. G-3-207056 | Thompson | Fort Bend | 1 | 0 | 465 | Mar 2022 – Oct 2023 | P.o.&g. Operating, LLC |
| Dobbins, C. L. G-3-288612 | Conroe (Cons. U) | Montgomery | 1 | 0 | 55.7K | Feb 2020 – Aug 2023 | Highmark Energy Operating, LLC |
| Conroe Field Unit G-3-164675 | Conroe | Montgomery | 1 | 0 | 240K | Jan 2010 – Jun 2023 | Highmark Energy Operating, LLC |
| Conroe Field Unit G-3-170934 | Conroe | Montgomery | 1 | 0 | 219K | Jan 2010 – Jun 2023 | Highmark Energy Operating, LLC |
| Lockwood, H. P. G-3-234050 | Thompson | Fort Bend | 1 | 0 | 1.86K | Dec 2022 – May 2023 | P.o.&g. Operating, LLC |
| Gubbels, F. Etal O-3-4159 | Thompson (Vicksburg) | Fort Bend | 2 | 60.4K | 84.5K | Jun 2012 – Dec 2022 | P.o.&g. Operating, LLC |
| Lemmer, J. G-3-288018 | Manvel (F.B. II, Oligocene) | Brazoria | 1 | 11 | 50.7K | Jul 2019 – Dec 2022 | this operator |
| Lemmer, J. G-3-288484 | Manvel (F.B. II, Oligocene) | Brazoria | 1 | 0 | 19.3K | Jul 2019 – Dec 2022 | this operator |
| Conroe Field Unit G-3-276470 | Conroe | Montgomery | 1 | 325 | 144K | May 2015 – Feb 2022 | Highmark Energy Operating, LLC |
| Booth, F. I. et al B -A- O-3-27947 | Thompson | Fort Bend | 1 | 508 | 0 | Nov 2021 – Dec 2021 | P.o.&g. Operating, LLC |
| Belcher, W. T. -A- O-3-10796 | Manvel (FB-III, Oligocene Seg A) | Brazoria | 7 | 4.03K | 84.9K | May 2015 – Oct 2021 | this operator |
| Belcher, W. T., "A" O-3-10259 | Manvel (FB-III, Oligocene) | Brazoria | 7 | 8.38K | 153K | May 2015 – Sep 2021 | this operator |
| Moody, E. O-3-24369 | Conroe (Cons. U) | Montgomery | 2 | 16.1K | 2.55K | Jan 2010 – Jun 2021 | Highmark Energy Operating, LLC |
| Massey O-3-20261 | Manvel, E. (Miocene 3300) | Brazoria | 6 | 2.86K | 0 | May 2015 – Aug 2020 | off the schedule |
| Davis, J. H. P. G-3-285710 | Thompson | Fort Bend | 1 | 725 | 24.1K | Jul 2018 – Jun 2020 | P.o.&g. Operating, LLC |
| H.N. Moore O-3-25259 | Conroe, S. (Wilcox 1) | Montgomery | 1 | 27K | 521K | Jan 2010 – Jan 2020 | Highmark Energy Operating, LLC |
| Dobbins, C L O-3-24599 | Conroe (Cons. U) | Montgomery | 2 | 0 | 28.4K | Dec 2013 – Jan 2020 | Highmark Energy Operating, LLC |
| Lewis, J. W. "A" G-3-229101 | Conroe (Cons. U) | Montgomery | 1 | 0 | 187K | Jan 2010 – Aug 2019 | off the schedule |
| Conroe Field Unit G-3-279509 | Conroe | Montgomery | 1 | 9.77K | 219K | Apr 2015 – Jul 2019 | off the schedule |
| Conroe Field Unit G-3-167998 | Conroe | Montgomery | 1 | 9.34K | 61.3K | Dec 2014 – Jul 2019 | off the schedule |
| Lemmer, J. O-3-23233 | Manvel (F.B. II, Oligocene) | Brazoria | 2 | 11.9K | 548K | May 2015 – Jun 2019 | off the schedule |
| Conroe Field Unit G-3-167663 | Conroe | Montgomery | 1 | 0 | 72.8K | Jan 2010 – May 2019 | Highmark Energy Operating, LLC |
| George, A. P. -A- G-3-270960 | Thompson | Fort Bend | 1 | 194 | 16.2K | Oct 2015 – Mar 2019 | P.o.&g. Operating, LLC |
| Conroe Field Unit G-3-182587 | Conroe | Montgomery | 1 | 0 | 10.1K | Jan 2010 – Sep 2018 | Highmark Energy Operating, LLC |
| Davis, J. H. P. O-3-25828 | Thompson | Fort Bend | 1 | 51 | 6.37K | Aug 2017 – Jun 2018 | off the schedule |
| Dobbins, C. L. G-3-214778 | Conroe (Cons. L) | Montgomery | 1 | 0 | 8.24K | Jan 2015 – Jun 2018 | Highmark Energy Operating, LLC |
| Conroe Field Unit G-3-88984 | Conroe | Montgomery | 1 | 0 | 103K | Oct 2010 – Jun 2018 | Highmark Energy Operating, LLC |
| South Texas Development Co. "1" G-3-195818 | Conroe (Cons. U) | Montgomery | 1 | 0 | 613K | Jan 2010 – May 2018 | Highmark Energy Operating, LLC |
| Conroe Field Unit G-3-279618 | Conroe | Montgomery | 1 | 848 | 99.2K | Apr 2015 – Dec 2017 | Highmark Energy Operating, LLC |
| Conroe Field Unit G-3-170102 | Conroe | Montgomery | 1 | 0 | 29.8K | Nov 2014 – Dec 2017 | Highmark Energy Operating, LLC |
| Conroe Field Unit G-3-167749 | Conroe | Montgomery | 1 | 0 | 325K | Nov 2010 – Dec 2017 | Highmark Energy Operating, LLC |
| Conroe Field Unit G-3-171957 | Conroe | Montgomery | 1 | 0 | 30.4K | Oct 2010 – Oct 2017 | Highmark Energy Operating, LLC |
| JHP Davis Estate G-3-249837 | Thompson, South | Fort Bend | 1 | 1.3K | 17K | Jul 2012 – Aug 2017 | P.o.&g. Operating, LLC |
| Conroe Field Unit G-3-167444 | Conroe | Montgomery | 1 | 0 | 65.3K | Oct 2010 – Aug 2017 | Highmark Energy Operating, LLC |
| Perry Heirs G-3-226534 | Conroe (Cons. L) | Montgomery | 1 | 0 | 135K | Jan 2010 – Mar 2017 | Highmark Energy Operating, LLC |
| Booth, F. I. et al -A- G-3-211202 | Thompson | Fort Bend | 1 | 2.54K | 4.01K | Jun 2012 – Dec 2016 | P.o.&g. Operating, LLC |
| Moody, E. G-3-203954 | Conroe (Cons. U) | Montgomery | 1 | 0 | 102K | Jan 2010 – Dec 2016 | off the schedule |
| Conroe Field Unit G-3-170782 | Conroe | Montgomery | 1 | 0 | 123K | Jan 2010 – Nov 2016 | Highmark Energy Operating, LLC |
| Conroe Field Unit G-3-169670 | Conroe | Montgomery | 1 | 0 | 43.5K | Nov 2010 – Oct 2016 | Highmark Energy Operating, LLC |