| H.B. Morrison 'B' O-10-44277 | Diamondback E&P LLC only | Phantom (Wolfcamp) | Ward | 4 | 1.79M | 1.77M | Mar 2013 – Apr 2026 |
| H.B. Morrison O-10-47798 | Diamondback E&P LLC only | Phantom (Wolfcamp) | Ward | 7 | 1.51M | 4.34M | Jun 2016 – Apr 2026 |
| J.T. Morris State O-10-61305 | U.S. Energy Development Corp only | Phantom (Wolfcamp) | Reeves | 5 | 942K | 2.01M | May 2024 – Apr 2026 |
| Morris Unit O-2-10157 | EOG Resources, Inc. only | Eagleville (Eagle Ford-2) | Karnes | 3 | 546K | 778K | Sep 2012 – Apr 2026 |
| Morrison O-11-61448 | Knox Industries, Inc. only | Lyn Kay (6150) | Kent | 5 | 467K | 23.7K | by Jan 1993 – Mar 2026 |
| Phillips, Morris Etal O-3-2269 | Quail Creek Oil Corporation only | Hull | Liberty | 11 | 400K | 265K | by Jan 1993 – Apr 2026 |
| Morrison, Earl E O-10-35495 | Diamondback E&P LLC only | Westbrook (Clear Fork, Upper) | Mitchell | 16 | 398K | 46.7K | Sep 1997 – Jan 2008 |
| Morris Grantham A O-10-47711 | OXY USA Inc. only | Spraberry (Trend Area) | Howard | 2 | 311K | 602K | Jan 2016 – Apr 2026 |
| Graves "21-A" O-8-25318 | Craruth Energy Corporation only | Ed and Patsy (Morris Sd.) | Coleman | 12 | 309K | 829K | by Jan 1993 – Dec 2016 |
| Morrison O-11-66606 | BCP Resources, LLC only | Amrow, North (Strawn) | Gaines | 1 | 281K | 381K | by Jan 1993 – Apr 2026 |
| Morris O-10-43826 | Red Highland Resources LLC only | Spraberry (Trend Area) | Howard | 7 | 276K | 1.52M | Mar 2013 – Apr 2026 |
| Morrison O-14-8870 | Unbridled Resources, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 3 | 266K | 2.1M | Sep 2012 – Apr 2026 |
| Scamardo, Morris O-3-20860 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 2 | 242K | 1.1M | by Jan 1993 – Sep 2025 |
| Lavelle-Smith Unit O-8-28847 | Pony Express Corporate Trust only | Lake Coleman (Morris 2750) | Coleman | 17 | 241K | 72.2K | Sep 2000 – Aug 2024 |
| Morris O-6-15728 | Rose City Resources, LLC only | Lake Ferrell (Pettit, Upper) | Marion | 1 | 239K | 197K | Aug 2019 – Apr 2026 |
| Ackers (Morris Sand) Unit O-8-22954 | Grayrock Energy II, LLC only | Ackers (Morris Sand) | Shackelford | 30 | 232K | 22 | by Jan 1993 – Jan 2025 |
| Morris, J. J. O-5-3378 | Atlantis Oil Company, Inc. only | Como (Consolidated) | Hopkins | 2 | 227K | 21 | by Jan 1993 – Apr 2026 |
| Desdemona Field Unit O-8-24263 | Morris R. Greenhaw Oil&gas, Inc only | Desdemona | Eastland | 20 | 216K | 359K | by Jan 1993 – Mar 2026 |
| Morrison, H. B. -A- O-10-31055 | Diamondback E&P LLC only | Pyote, South (6100 Sand) | Ward | 3 | 216K | 749K | by Jan 1993 – Feb 2019 |
| Whitten, J. H. O-13-27597 | Upham Oil & Gas Company only | Morris (Consolidated Congl.) | Wise | 7 | 214K | 2.53M | by Jan 1993 – Apr 2026 |
| Morris, ER O-6-15373 | Eagle Oil & Gas Co. only | McLeod, North (CV) | Cass | 1 | 213K | 197K | Dec 2014 – Apr 2026 |
| Morris, J. P. O-8-3544 | Rigged UP, LLC only | Shackelford County Regular | Shackelford | 51 | 204K | 38 | by Jan 1993 – Jun 2024 |
| Coker-Morris O-6-14284 | IV Standard, LLC only | Talco | Titus | 1 | 200K | 0 | Jan 2004 – Apr 2026 |
| Morrison "51" O-14-8407 | Mewbourne Oil Company only | Pan Petro (Cleveland) | Ochiltree | 2 | 193K | 762K | Apr 2011 – Apr 2026 |
| Morris State Unit O-8-30675 | Extex Operating Company only | Auld (Cisco Sand) | Nolan | 1 | 190K | 0 | Feb 2011 – Mar 2026 |
| Morrison "28B" O-10-40560 | Petroplex Energy Inc. only | Spraberry (Trend Area) | Martin | 2 | 177K | 257K | Sep 2010 – Apr 2026 |
| Morris O-1-17459 | TD Natural Resources LLC only | Eagleville (Eagle Ford-1) | Gonzales | 2 | 175K | 121K | Sep 2013 – Dec 2025 |
| Graves O-8-26473 | Older Than Dirt LLC only | W.R.C. (Morris) | Coleman | 6 | 171K | 406K | by Jan 1993 – Nov 2024 |
| Morrison B O-13-771 | Willowbend Investments, Inc. only | Archer County Regular | Archer | 10 | 158K | 4.53K | by Jan 1993 – Apr 2026 |
| Phillips, Morris O-3-6460 | Quail Creek Oil Corporation only | Hull | Liberty | 11 | 144K | 105K | by Jan 1993 – Apr 2026 |
| Cole, Emma O-9-8243 | S.B. Street Operating, Inc. only | Sykes, West (Morris) | Runnels | 7 | 142K | 13K | by Jan 1993 – Aug 2015 |
| Swenson-Morrison O-11-68201 | Brown, Geo. R Partnership,lp,the only | S.N.B. (Cisco) | Kent | 1 | 138K | 64.1K | Jun 2000 – Jan 2020 |
| Morris, J. C. O-6-1654 | Arcadia Operating, LLC only | Talco | Titus | 5 | 134K | 21 | by Jan 1993 – Jul 2013 |
| Morrison Unit O-1-18019 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 130K | 138K | Jun 2014 – Apr 2026 |
| Morrison "B" O-8-14821 | Cooper Oil & Gas, LLC only | Richards Ranch (Home Creek) | Throckmorton | 8 | 130K | 17.5K | by Jan 1993 – Apr 2026 |
| Guy Ranch O-8-30163 | Grayrock Energy II, LLC only | Edgar Davis (Morris) | Shackelford | 7 | 128K | 226K | Jun 2008 – Oct 2025 |
| Morrison, J. W. O-11-61687 | Brown, Geo. R Partnership,lp,the only | Lyn-Kay (6200) | Kent | 4 | 126K | 33.1K | by Jan 1993 – Dec 2024 |
| Morrison 178 O-14-9293 | Mewbourne Oil Company only | Pan Petro (Marmaton) | Roberts | 1 | 124K | 668K | Feb 2015 – Dec 2017 |
| Schaefer, Roy A O-9-13572 | F&H Operating Company LLC only | Busher (Morris) | Runnels | 6 | 123K | 287K | Jan 1994 – Oct 2015 |
| Morrison O-11-67642 | Sharp Image Energy, Inc. only | Sie Morrison (Upper Canyon) | Kent | 1 | 123K | 2.73K | Oct 1996 – Jan 2015 |
| Morrison "28A" O-10-40620 | Petroplex Energy Inc. only | Spraberry (Trend Area) | Martin | 2 | 122K | 201K | Sep 2010 – Apr 2026 |
| Morris (Allocation) O-3-27034 | Wildfire Energy Operating LLC only | Madisonville, W. (Woodbine -A-) | Madison | 1 | 122K | 446K | Dec 2014 – Mar 2026 |
| Polston O-8-23072 | Quail Well Service, Inc. only | Novo-Allen (Morris) | Coleman | 3 | 122K | 171K | by Jan 1993 – Apr 2026 |
| Morris "M" O-8-3312 | Rigged UP, LLC only | Shackelford County Regular | Shackelford | 23 | 122K | 22 | by Jan 1993 – Jul 2021 |
| Morrison 213 O-14-9371 | Mewbourne Oil Company only | Pan Petro (Cleveland) | Roberts | 1 | 121K | 883K | Jun 2015 – Apr 2026 |
| Zeiske, J.C. Estate O-8-13579 | Johnson & Morris only | Santa Anna, E. (Marble Falls) | Coleman | 12 | 120K | 34.5K | by Jan 1993 – Apr 2026 |
| Morris, Robert "A" O-4-11658 | Home Petroleum Corp. only | El Mesquite (5200) | Jim Hogg | 7 | 116K | 749K | by Jan 1993 – Feb 2026 |
| Morrison-Gill O-10-35606 | Energen Resources Corporation only | Westbrook (Clear Fork, Upper) | Mitchell | 3 | 113K | 4.43K | Jan 1998 – Jan 2008 |
| Morrison "181" O-14-8464 | Mewbourne Oil Company only | Pan Petro (Cleveland) | Roberts | 2 | 112K | 666K | Nov 2011 – Apr 2026 |
| Morrison '179' O-14-8846 | Mewbourne Oil Company only | Pan Petro (Cleveland) | Roberts | 2 | 110K | 519K | Jan 2013 – Apr 2026 |