| Cartwright Ranch G-2-274358 | Royal Production Company, Inc. | Mount Lucas (Cook Mtn. 5700) | Live Oak | 1 | 6.91K | 763K | Jun 2014 – Jun 2021 |
| Beall G-2-272483 | Royal Production Company, Inc. | Lagarto Creek (Yegua) | Live Oak | 1 | 6.85K | 277K | Aug 2013 – May 2020 |
| Edinburg Unit G-4-277201 | Royal Production Company, Inc. | Edinburg (10,760) | Hidalgo | 1 | 6.76K | 526K | Nov 2014 – Aug 2018 |
| Coates Energy O-2-11267 | Royal Production Company, Inc. | Hinnant | Live Oak | 1 | 6.43K | 22.8K | Jul 2016 – Apr 2017 |
| Crites/ McCord Unit O-4-12571 | Royal Production Company, Inc. | Midway, S. (Dubose) | San Patricio | 1 | 6.35K | 13.6K | Apr 1996 – Jun 2001 |
| Edinburg Unit G-4-132944 | Royal Production Company, Inc. | Edinburg (10,800 FB-B Frio) | Hidalgo | 1 | 6.2K | 2.33M | by Jan 1993 – Aug 2026 |
| State Tract 9 G-4-120380 | Royal Production Company, Inc. | Corpus Channel, NW (10,100) | Nueces | 1 | 5.95K | 56.3K | by Jan 1993 – Oct 1994 |
| State Tract 9 G-4-109004 | Royal Production Company, Inc. | Corpus Channel, NW. (M-3-B) | Nueces | 1 | 5.83K | 62.3K | by Jan 1993 – Jun 1995 |
| Lucas, R. G-2-264393 | Royal Production Company, Inc. | Hinnant (5500) | Live Oak | 1 | 5.75K | 57.1K | Oct 2011 – Apr 2015 |
| Cartwright Ranch O-2-10672 | Royal Production Company, Inc. | Holman (Hockley 3RD) | Live Oak | 1 | 5.14K | 0 | Oct 2013 – Mar 2020 |
| Chapman, J.O. G-4-149677 | Royal Production Company, Inc. | Chapman Ranch (7130) | Nueces | 1 | 5.13K | 63.8K | Apr 1994 – Nov 1994 |
| Cartwright Ranch G-2-276735 | Royal Production Company, Inc. | Mount Lucas (Cook Mtn. 5700) | Live Oak | 1 | 5.08K | 244K | Nov 2014 – Mar 2017 |
| Beall G-2-269253 | Royal Production Company, Inc. | Lagarto (Yegua 6050) | Live Oak | 1 | 4.99K | 113K | Jan 2013 – Aug 2013 |
| Cartwright Ranch G-2-290639 | Royal Production Company, Inc. | Mount Lucas (Cook Mtn. 5800) | Live Oak | 1 | 4.84K | 278K | Mar 2021 – Apr 2022 |
| Guaranty Title & Trust G-4-166764 | Royal Production Company, Inc. | Corpus Christi, West ( 8630) | Nueces | 1 | 4.78K | 88.2K | Jan 1998 – May 1999 |
| R. Lucas O-2-11340 | Royal Production Company, Inc. | Hinnant (5900) | Live Oak | 1 | 4.75K | 6.01K | Mar 2017 – Aug 2017 |
| Edinburg Gas Unit G-4-298642 | Royal Production Company, Inc. | Edinburg (8800) | Hidalgo | 1 | 4.52K | 590K | Dec 2024 – Jun 2026 |
| Edinburg Unit G-4-261880 | Royal Production Company, Inc. | Edinburg ( 9,950) | Hidalgo | 1 | 4.23K | 514K | Mar 2011 – Dec 2025 |
| Slick G-4-294506 | Royal Production Company, Inc. | Hinde (Vicksburg Consolidated) | Starr | 1 | 4.08K | 335K | Feb 2023 – Feb 2025 |
| Edinburg Unit G-4-290211 | Royal Production Company, Inc. | Edinburg ( 9,950) | Hidalgo | 1 | 3.9K | 303K | Oct 2020 – Aug 2026 |
| Slick Estate G-4-298608 | Royal Production Company, Inc. | Rincon, N. (Vicksburg Cons.) | Starr | 1 | 3.85K | 204K | Dec 2024 – Aug 2026 |
| East Side Block Unit G-4-82840 | Royal Production Company, Inc. | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 3.8K | 163K | Jan 1995 – Jun 1997 |
| State Tract 15 O-4-13185 | Royal Production Company, Inc. | Corpus Channel, NW (Frio G-1) | Nueces | 1 | 3.5K | 53.6K | Oct 2003 – Apr 2004 |
| Beall G-2-267173 | Royal Production Company, Inc. | Lagarto (Pettus) | Live Oak | 1 | 3.39K | 319K | Jan 2013 – Feb 2019 |
| Foster Lumber Co. O-3-3073 | Royal Production Company, Inc. | Mercy | San Jacinto | 1 | 3.37K | 4.65K | by Jan 1993 – Jul 1995 |
| Cartwright Ranch G-2-258153 | Royal Production Company, Inc. | Lagarto Creek (Yegua) | Live Oak | 1 | 2.52K | 70.1K | Mar 2010 – Nov 2010 |
| Foster Farms, Inc. G-3-68589 | Royal Production Company, Inc. | Fulshear, S. (Wilcox 15450) | Fort Bend | 1 | 2.47K | 587K | by Jan 1993 – Jan 2005 |
| Cage Ranch G-4-146442 | Royal Production Company, Inc. | Cage Ranch (7200) | Brooks | 1 | 2.39K | 413K | Aug 1993 – Aug 2004 |
| Chapman, J.O. O-4-12436 | Royal Production Company, Inc. | Chapman Ranch (6600) | Nueces | 1 | 2.37K | 1.59K | Dec 1994 – Jul 1995 |
| Cartwright Ranch G-2-291529 | Royal Production Company, Inc. | Mount Lucas (Cook Mtn. 5800) | Live Oak | 1 | 2.25K | 337K | Aug 2021 – Aug 2026 |
| Cartwright Ranch G-2-291594 | Royal Production Company, Inc. | Mount Lucas (Cook Mtn. 5700) | Live Oak | 1 | 1.96K | 101K | Oct 2021 – Sep 2022 |
| Cartwright Ranch O-2-12341 | Royal Production Company, Inc. | Holman (Hockley 1ST) | Live Oak | 1 | 1.94K | 0 | Feb 2022 – Jun 2023 |
| Guaranty Title & Trust G-4-169367 | Royal Production Company, Inc. | Saxet, Deep (7400 FB B) | Nueces | 1 | 1.86K | 133K | Jul 1998 – Feb 1999 |
| South Texas Children's Home O-2-12127 | Royal Production Company, Inc. | Cosden, W. (3050 Sand) | Bee | 1 | 1.77K | 0 | Feb 2021 – May 2021 |
| P.W.L.R. O-2-9046 | Royal Production Company, Inc. | Heyser (6100, Frio 1-A) | Calhoun | 1 | 1.61K | 8.96K | Feb 2006 – Sep 2006 |
| Hinnant Heirs 'B' G-2-274411 | Royal Production Company, Inc. | Hinnant (Wilson) | Live Oak | 1 | 1.55K | 24.8K | May 2014 – Jul 2014 |
| Guaranty Title & Trust G-4-164736 | Royal Production Company, Inc. | Corpus Christi, West ( 9500) | Nueces | 1 | 1.51K | 79.2K | Jul 1997 – Dec 1997 |
| Slick G-4-294972 | Royal Production Company, Inc. | Hinde (Vicksburg Consolidated) | Starr | 1 | 1.4K | 117K | Feb 2023 – Nov 2023 |
| Cartwright Ranch G-2-293226 | Royal Production Company, Inc. | Mount Lucas (Cook Mtn. 5700) | Live Oak | 1 | 1.4K | 130K | Apr 2022 – Sep 2023 |
| South Texas Children's Home O-2-13198 | Royal Production Company, Inc. | Cosden, W. (3050 Sand) | Bee | 1 | 1.4K | 0 | Feb 2026 – Aug 2026 |
| Hankamer # 1037 O-3-22671 | Royal Production Company, Inc. | Camptown | Newton | 1 | 1.22K | 6.62K | Dec 1994 – Jan 1995 |
| Talbert, L. G. G-4-87296 | Royal Production Company, Inc. | Corpus Christi, West (11000) | Nueces | 1 | 1.17K | 218K | by Jan 1993 – Dec 1997 |
| Chapman, J.O. O-4-12429 | Royal Production Company, Inc. | Chapman Ranch (7130) | Nueces | 1 | 1.08K | 8.98K | Nov 1994 – Feb 1995 |
| Chapman, J. O. G-4-54080 | Royal Production Company, Inc. | Mobil-David (9200) | Nueces | 1 | 1.03K | 48.3K | by Jan 1993 – Mar 1995 |
| Crites Gas Unit G-4-148461 | Royal Production Company, Inc. | Midway, S. (McKamey) | San Patricio | 1 | 772 | 6.05K | Feb 1994 – Oct 1994 |
| Simons Gas Unit -A- G-4-68991 | Royal Production Company, Inc. | Portland, N. (Commonwealth Serie | San Patricio | 1 | 768 | 30.7K | by Jan 1993 – Jan 1994 |
| Lucas G-2-272449 | Royal Production Company, Inc. | Hinnant (Yegua 1ST) | Live Oak | 1 | 576 | 32K | Oct 2013 – Apr 2014 |
| Beall O-2-11764 | Royal Production Company, Inc. | Lagarto (Pettus) | Live Oak | 1 | 529 | 0 | Mar 2019 – May 2020 |
| Talbert G-4-166732 | Royal Production Company, Inc. | Corpus Christi, West (9700) | Nueces | 1 | 474 | 13.8K | Jan 1998 – Nov 1998 |
| Coates Energy G-2-277446 | Royal Production Company, Inc. | Hinnant (5900) | Live Oak | 1 | 461 | 11.2K | May 2015 – May 2015 |