| Lucas -A- O-14-6826 | Burk Royalty Co., Ltd. only | Panhandle Hutchinson County Fld. | Hutchinson | 20 | 416K | 1.34M | Jan 1993 – Apr 2026 |
| Lucas O-10-42054 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 4 | 370K | 473K | Jul 2011 – Apr 2026 |
| Lucas a-24 Unit G-6-235933 | Zarvona Energy LLC only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 305K | 1.47M | Mar 2008 – Apr 2026 |
| Lucas a-24 Unit G-6-229078 | Zarvona Energy LLC only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 279K | 1.03M | Jun 2007 – Apr 2026 |
| Lucas O-14-1161 | Burk Royalty Co., Ltd. only | Panhandle Hutchinson County Fld. | Hutchinson | 21 | 189K | 1.81M | Jan 1993 – Apr 2026 |
| Lucas, G. B. O-11-6091 | Cross Timbers Energy, LLC only | Slaughter | Hockley | 14 | 176K | 101K | Jan 1993 – Apr 2026 |
| Crump-Lucas Unit 2 O-13-30241 | EOG Resources, Inc. only | St. JO Ridge (Barnett Shale) | Montague | 1 | 134K | 864K | Dec 2003 – Apr 2026 |
| Lucas 'C' O-1-15882 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Atascosa | 1 | 126K | 110K | Apr 2012 – Mar 2026 |
| Lucas "A" O-1-15778 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Atascosa | 1 | 105K | 144K | Mar 2012 – Apr 2026 |
| Lucas 'B' O-1-15895 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Atascosa | 1 | 90.9K | 66.4K | Apr 2012 – Apr 2026 |
| Crump-Lucas Unit #1 O-13-30167 | EOG Resources, Inc. only | St. JO Ridge (Barnett Shale) | Montague | 1 | 85.6K | 461K | May 2003 – Feb 2017 |
| Cartwright Ranch G-2-269254 | Royal Production Company, Inc. only | Mount Lucas (5200) | Live Oak | 1 | 84K | 253K | Jan 2013 – Feb 2019 |
| Dishman-Lucas O-3-20363 | Gcows Operating LLC only | Stowell | Chambers | 2 | 81.1K | 136K | Jan 1993 – Aug 2024 |
| Lucas Unit #1 O-13-30494 | EOG Resources, Inc. only | St. JO Ridge (Barnett Shale) | Montague | 1 | 67.5K | 670K | Aug 2005 – Jan 2022 |
| Sargent O-2-11128 | Welderxp Ltd. only | Mt. Lucas (Vicksburg) | Live Oak | 1 | 59.8K | 5.66K | Sep 2015 – Apr 2026 |
| Cartwright O-2-2250 | Blue Wing Energy, Inc. only | Mount Lucas (2500) | Live Oak | 2 | 55.5K | 480 | Jan 1993 – Jun 2024 |
| Lucas O-14-4565 | Lasater & Co, Inc. only | Panhandle Hutchinson County Fld. | Hutchinson | 17 | 54.9K | 236K | Jan 1993 – Apr 2026 |
| Dangelmayr-Lucas Unit G-13-273430 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Cooke | 1 | 52.2K | 391K | Apr 2012 – Apr 2026 |
| Sloan O-1-8135 | Lucas Energy, Inc. only | Peach Creek (Austin Chalk) | Gonzales | 2 | 50.1K | 73 | Jan 1993 – Sep 2007 |
| Cartwright O-2-9041 | Choice Exploration, Inc. only | Mt. Lucas (Hockley, Lower) | Live Oak | 1 | 48.8K | 57.5K | Feb 2006 – Jun 2011 |
| Cartwright, H. -A- O-2-4752 | Blue Wing Energy, Inc. only | Mount Lucas (2500) | Live Oak | 1 | 45.6K | 327 | Jan 1993 – Dec 2019 |
| Lucas O-14-6626 | Rabco Energy LLC only | Panhandle Hutchinson County Fld. | Hutchinson | 5 | 42K | 87.8K | Jan 1993 – Mar 2026 |
| Dangelmayr-Lucas a Unit G-13-280244 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Cooke | 1 | 41.9K | 870K | Oct 2013 – Apr 2026 |
| Dangelmayr-Lucas Unit O-13-32449 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Cooke | 3 | 37.1K | 373K | Apr 2012 – Apr 2026 |
| Lucas-Obn Unit #2 O-13-30417 | EOG Resources, Inc. only | St. JO Ridge (Barnett Shale) | Montague | 1 | 34.3K | 319K | Jan 2005 – Nov 2014 |
| Dangelmayr-Lucas Unit G-13-273429 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Cooke | 1 | 32.5K | 264K | Apr 2012 – Mar 2026 |
| Cartwright Ranch O-2-11761 | Royal Production Company, Inc. only | Mount Lucas (5200) | Live Oak | 1 | 31.8K | 25.5K | Mar 2019 – Apr 2026 |
| Lucas-Obn Unit 1 O-13-30347 | EOG Resources, Inc. only | St. JO Ridge (Barnett Shale) | Montague | 1 | 31.7K | 363K | Jul 2004 – Jul 2012 |
| Dangelmayr-Lucas a Unit G-13-280245 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Cooke | 1 | 31.6K | 1.06M | Oct 2013 – Apr 2026 |
| Princeton Lucas O-3-19885 | Trivista Operating LLC only | Serbin (Taylor Sand) | Lee | 2 | 29.4K | 132K | Jan 1993 – Feb 2026 |
| Lucas O-10-22657 | Bettis, Boyle & Stovall only | Spraberry (Trend Area) | Midland | 1 | 26.2K | 58K | Jan 1993 – Sep 2006 |
| Lucas-Obn Unit #3 O-13-30550 | EOG Resources, Inc. only | St. JO Ridge (Barnett Shale) | Montague | 1 | 26.1K | 424K | Dec 2005 – Apr 2026 |
| Lucas, W.R. O-8-24689 | Reach Oil only | Lake Brownwood (Marble Falls) | Brown | 7 | 25.6K | 31.1K | Jan 1993 – Mar 2026 |
| Lucas B Unit G-13-274768 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Montague | 1 | 22.4K | 898K | Oct 2013 – Jan 2024 |
| Lucas State G-13-276759 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Montague | 1 | 21.1K | 1.02M | Apr 2011 – Apr 2026 |
| Lucas, R. G-2-261924 | Royal Production Company, Inc. only | Hinnant (5500) | Live Oak | 1 | 21.1K | 423K | Mar 2011 – Dec 2019 |
| Mo. Pacific R. R. Co. O-2-2334 | Blue Wing Energy, Inc. only | Mount Lucas (2500) | Live Oak | 1 | 19.2K | 186 | Jan 1993 – Jun 2012 |
| Lucas G-2-261463 | Royal Production Company, Inc. only | Hinnant (Wilson) | Live Oak | 1 | 18.9K | 789K | Mar 2011 – Oct 2013 |
| Cartwright Ranch G-2-287919 | Royal Production Company, Inc. only | Mount Lucas (Cook Mtn. 5800) | Live Oak | 1 | 18.5K | 754K | Jul 2019 – Oct 2021 |
| Cartwright Ranch G-2-288776 | Royal Production Company, Inc. only | Mount Lucas (Cook Mtn. 5800) | Live Oak | 1 | 18.4K | 905K | Dec 2019 – Sep 2022 |
| Cartwright Ranch G-2-260575 | Royal Production Company, Inc. only | Mount Lucas (Cook Mtn. 5700) | Live Oak | 1 | 15.9K | 1.23M | Jan 2011 – Sep 2018 |
| Lucas G-2-202594 | Alta Mesa Services, LP only | Berclair, East (Yegua) | Goliad | 1 | 14.9K | 418K | Mar 2004 – Dec 2005 |
| Lucas 45 O-10-41810 | Apache Corporation only | Spraberry (Trend Area) | Glasscock | 1 | 14.8K | 154K | Aug 2011 – Apr 2026 |
| Cartwright Ranch G-2-286955 | Royal Production Company, Inc. only | Mount Lucas (Cook Mtn. 5800) | Live Oak | 1 | 13.7K | 444K | Feb 2019 – Feb 2021 |
| Lucas, G.B. O-14-6842 | Geo Petroleum, Inc. only | Panhandle Hutchinson County Fld. | Hutchinson | 2 | 12.2K | 205K | Jan 1993 – Apr 2012 |
| Lucas, Tom Jack Gas Unit G-6-207699 | Fair Oil, Ltd. only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 12.2K | 1.48M | Dec 2004 – Apr 2016 |
| Lucas B Unit G-13-274767 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Montague | 1 | 11.5K | 1.45M | Oct 2013 – Apr 2026 |
| Lucas a Unit G-13-275754 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Montague | 1 | 10.6K | 490K | Oct 2013 – Mar 2025 |
| Lucas 9 G-14-274657 | Presidio Petroleum LLC only | Allison Parks (Granite Wash) | Hemphill | 1 | 10.2K | 942K | Jun 2013 – Apr 2026 |
| Cartwright Ranch G-2-264537 | Royal Production Company, Inc. only | Mount Lucas (5500) | Live Oak | 1 | 9.36K | 431K | Sep 2011 – Dec 2019 |