| De la Garza San Roman G. U. G-4-269270 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 2.71K | 1.5M | Jun 2012 – Aug 2026 |
| San Roman 1508 G-4-285299 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 2.6K | 448K | Jul 2018 – Jul 2026 |
| San Roman 1508 G-4-269023 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 2.5K | 2.21M | May 2012 – Aug 2026 |
| San Roman 1508 G-4-285071 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 2.44K | 1.7M | Jul 2018 – Aug 2026 |
| San Roman 'A' G-4-279987 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 2.34K | 2.14M | Jan 2016 – Aug 2026 |
| Bolton, Roman E. O-1-8079 | Caltex Energy Co. only | La Vernia | Guadalupe | 14 | 2.29K | 21 | by Jan 1993 – Mar 2004 |
| Roman Davila Unit O-1-9672 | Lemon, Richard G. only | Peach Creek (Austin Chalk) | Gonzales | 1 | 2.25K | 298 | by Jan 1993 – Apr 1994 |
| San Roman A G-4-255806 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 2.09K | 905K | Feb 2010 – Jul 2024 |
| Stroman-Armstrong G-4-14632 | BP America Production Company only | Thompsonville, NE (Wilcox 9500) | Webb | 1 | 1.92K | 1.74M | by Jan 1993 – Jun 2002 |
| San Roman 'A' G-4-279111 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.81K | 1.84M | Jan 2016 – Aug 2026 |
| San Roman 1508 G-4-270054 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.56K | 645K | Aug 2012 – Aug 2024 |
| San Roman "A" G-4-261818 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.46K | 2.39M | Jul 2010 – Aug 2026 |
| San Roman "A" G-4-259056 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.22K | 1.48M | Jul 2010 – Aug 2026 |
| San Roman A G-4-257964 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.21K | 1.56M | Jul 2010 – Aug 2026 |
| Roman Gas Unit G-6-95489 | TGNR East Texas LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.2K | 914K | by Jan 1993 – Nov 2021 |
| Stroman, D. C. "A" G-4-165729 | Calstar Energy Consultants, LLC only | Armstrong (F-53) | Jim Hogg | 1 | 920 | 292K | Sep 1997 – Jan 2010 |
| Roman Gas Unit G-6-123914 | Rme Petroleum Company only | Oak Hill (Cotton Valley) | Rusk | 1 | 807 | 357K | by Jan 1993 – Dec 2000 |
| Stroman Armstrong G-4-123366 | XCL-Texas, Inc. only | Aviators, South (Wilcox 9900) | Webb | 1 | 722 | 94.5K | by Jan 1993 – Oct 1995 |
| Roman Gas Unit G-6-127449 | TGNR East Texas LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 655 | 618K | by Jan 1993 – Aug 2026 |
| Sam Roman 'A' G-4-159048 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 597 | 163K | Feb 1996 – Aug 2026 |
| San Roman 1508 G-4-285300 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 596 | 154K | Jul 2018 – Jul 2024 |
| Roman O-10-49254 | Ring Energy, Inc. only | Block a-34 (San Andres) | Andrews | 1 | 411 | 0 | Aug 2017 – Jan 2018 |
| Roman Gas Unit G-6-274162 | TGNR East Texas LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 347 | 4.52M | Sep 2014 – Aug 2026 |
| Roman Gas Unit G-6-167359 | TGNR East Texas LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 334 | 1.15M | Nov 1997 – Nov 2024 |
| Stroman-Armstrong G-4-228834 | Hugoton Operating Company, Inc. only | Thompsonville, NE. (12500) | Webb | 1 | 271 | 4.78M | Jun 2007 – Jan 2025 |
| San Roman Ranch G-4-298211 | Crescent Energy Operating, LLC only | Hawkville (Austin Chalk) | Webb | 1 | 215 | 7.24M | Sep 2024 – Aug 2026 |
| San Roman 1508 G-1-280388 | EOG Resources, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 117 | 3.89M | Jan 2018 – Aug 2026 |
| AI San Roman G-1-294287 | Warwick Poseidon, GP only | Hawkville (Eagleford Shale) | Webb | 1 | 111 | 3.41M | Jan 2023 – Aug 2025 |
| San Roman 1508 G-1-278959 | EOG Resources, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 87 | 6.91M | Mar 2015 – Aug 2026 |
| 7708 JV-P Roman Nose O-10-48352 | BTA Oil Producers, LLC only | Leck, West (Bone Springs) | Winkler | 1 | 73 | 248 | Jul 2015 – Sep 2015 |
| AI San Roman G-4-293224 | Warwick Poseidon, GP only | Hawkville (Austin Chalk) | Webb | 1 | 72 | 8.38M | Mar 2022 – Aug 2026 |
| Stroman-Armstrong G-4-233964 | Hugoton Operating Company, Inc. only | Thompsonville, NE. (12500) | Webb | 1 | 61 | 919K | Nov 2007 – Feb 2025 |
| Stroman-Armstrong G-4-196853 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Webb | 1 | 43 | 474K | Aug 2003 – Aug 2026 |
| San Roman 1508 G-1-279447 | EOG Resources, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 34 | 7.79M | Sep 2017 – Aug 2026 |
| AI San Roman G-1-294289 | Warwick Poseidon, GP only | Hawkville (Eagleford Shale) | Webb | 1 | 18 | 5.51M | Jan 2023 – Jul 2026 |
| Stroman O-4-11748 | Texas Southern Petroleum Corp. only | Stroman (4700) | Jim Hogg | 1 | 18 | 1 | Apr 1996 – Apr 1996 |
| AI San Roman G-4-293489 | Warwick Poseidon, GP only | Hawkville (Austin Chalk) | Webb | 1 | 11 | 8.08M | Jul 2022 – Aug 2026 |
| Roman Gas Unit G-6-169618 | TGNR East Texas LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 10 | 1.11M | Apr 1998 – Aug 2026 |
| San Roman 1508 G-1-280242 | EOG Resources, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 8 | 7.44M | Sep 2017 – Aug 2026 |
| Sam Roman 'A' G-4-155344 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 3 | 45.4K | Jul 1995 – Jan 2013 |
| AI San Roman G-4-293497 | Warwick Poseidon, GP only | Hawkville (Austin Chalk) | Webb | 1 | 3 | 7.24M | Jul 2022 – Aug 2026 |
| San Roman 1508 G-1-280243 | EOG Resources, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 3 | 6.41M | Sep 2017 – Aug 2026 |
| San Roman G-1-288907 | Crescent Energy Operating, LLC only | Hawkville (Eagleford Shale) | Webb | 1 | 3 | 6.82M | Jan 2020 – Aug 2026 |
| Guerra,v.h. et Al G-4-72581 | Jackson Energy Development, Inc. only | San Roman (Yegua O-A) | Starr | 1 | 2 | 0 | May 1995 – May 1995 |
| San Roman G-1-288755 | Crescent Energy Operating, LLC only | Hawkville (Eagleford Shale) | Webb | 1 | 2 | 6.73M | Dec 2019 – Aug 2026 |
| San Roman G-1-288908 | Crescent Energy Operating, LLC only | Hawkville (Eagleford Shale) | Webb | 1 | 1 | 5.36M | Jan 2020 – Aug 2026 |
| San Roman Ranch G-4-297122 | Crescent Energy Operating, LLC only | Hawkville (Austin Chalk) | Webb | 1 | 0 | 6.44M | Feb 2024 – Aug 2026 |
| AI San Roman G-4-294729 | Warwick Poseidon, GP only | Hawkville (Austin Chalk) | Webb | 1 | 0 | 8.65M | Mar 2023 – Aug 2026 |
| San Roman "A" G-4-260398 | Lewis Petro Properties, Inc. only | Wildcat | Webb | 1 | 0 | 0 | — |
| San Roman G-1-287855 | Crescent Energy Operating, LLC only | Hawkville (Eagleford Shale) | Webb | 1 | 0 | 5.49M | Dec 2019 – Aug 2026 |