| Oliver B O-2-9959 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | De Witt | 13 | 5.75M | 14.4M | Oct 2010 – Aug 2026 |
| Oliver A O-2-10974 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | De Witt | 14 | 4M | 12.6M | Feb 2015 – Aug 2026 |
| Oliver D O-2-11107 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | De Witt | 6 | 2.5M | 5.36M | Dec 2015 – Aug 2026 |
| Oliver C O-2-9905 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | De Witt | 5 | 2.12M | 4.33M | Jan 2011 – Aug 2026 |
| Albright, Oliver J. O-7-7486 | Basa Resources, Inc. only | East Texas | Gregg | 18 | 1.21M | 585K | by Jan 1993 – Aug 2026 |
| Oliver (39-34) O-9-19920 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 2 | 665K | 6.12M | Dec 2017 – Aug 2026 |
| Hansen B-Oliver D SA "B" O-2-11020 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | De Witt | 1 | 627K | 1.63M | Feb 2015 – Aug 2026 |
| Hansen B-Oliver D SA "C" O-2-11016 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | De Witt | 1 | 573K | 1.26M | Feb 2015 – Aug 2026 |
| Oliver D-Hansen B SA O-2-11247 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | De Witt | 1 | 466K | 987K | Feb 2016 – Aug 2026 |
| Hansen B-Oliver D SA "A" O-2-11019 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | De Witt | 1 | 380K | 725K | Feb 2015 – Aug 2026 |
| Loving, Oliver O-13-25826 | New Horizon Resources LLC only | Bryson, East | Jack | 11 | 373K | 2.25K | by Jan 1993 – Jul 2026 |
| Oliver 39-34 O-9-19221 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 1 | 371K | 3.9M | Jan 2016 – Aug 2026 |
| Oliver 39 and 34 O-9-19572 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 1 | 364K | 4.92M | Jan 2017 – Jul 2025 |
| Lockett, Oliver O-7-7977 | Basa Resources, Inc. only | East Texas | Gregg | 5 | 285K | 105K | by Jan 1993 – Aug 2026 |
| J. R. Oliver Unit O-5-3653 | Hughes Oil Operating, LLC only | Van (Carlisle) | Van Zandt | 2 | 227K | 151K | Jan 1998 – Jan 2025 |
| Oliver, J. R. O-5-3557 | Hughes Oil Operating, LLC only | Van (Upper Carlile) | Van Zandt | 2 | 222K | 251K | Jun 1997 – Jul 2026 |
| Oliver, J. R. O-5-3541 | Crawford Hughes Operating Co. only | Van (Carlisle) | Van Zandt | 2 | 197K | 79.1K | Apr 1997 – Feb 2003 |
| Oliver '39-34' O-9-19576 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 1 | 192K | 737K | Jan 2017 – Aug 2026 |
| Oliver O-9-6204 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Reagan | 8 | 190K | 2.16M | by Jan 1993 – Aug 2026 |
| J. R. Oliver Unit O-5-3590 | Hughes Oil Operating, LLC only | Van (James) | Van Zandt | 1 | 169K | 150K | Dec 1997 – Jul 2026 |
| Oliver, J. R. 207 O-5-3699 | Basa Resources, Inc. only | Van | Van Zandt | 1 | 149K | 19K | Aug 2000 – Aug 2026 |
| Loving Ranch O-13-20444 | Borderline Operating Corp. only | Oliver Loving (Miss) | Young | 7 | 105K | 42 | by Jan 1993 – Sep 2024 |
| Boyce, Oliver P. O-10-33746 | Petroplex Energy Inc. only | Spraberry (Trend Area) | Martin | 1 | 90.8K | 71.5K | Mar 1993 – Jan 2022 |
| Cowden-Oliver O-10-29350 | Baker Operating, Inc. only | Harper | Ector | 6 | 88.1K | 60K | by Jan 1993 – Aug 2026 |
| Oliver-Old River Farm Unit O-3-21104 | Chesapeake Operating, L.L.C. only | Giddings (Austin Chalk-3) | Burleson | 2 | 68.3K | 569K | by Jan 1993 – Aug 2019 |
| J. R. Oliver Unit O-5-3730 | Hughes Oil Operating, LLC only | Van (Rodessa) | Van Zandt | 1 | 63K | 89.3K | Feb 2001 – Jul 2026 |
| Oliver, J. R. O-5-3556 | Hughes Oil Operating, LLC only | Van (James) | Van Zandt | 2 | 62.9K | 29.2K | Jun 1997 – Mar 1999 |
| J. R. Oliver Unit O-5-3655 | Hughes Oil Operating, LLC only | Van (Upper Carlile) | Van Zandt | 2 | 58.8K | 116K | Jan 1998 – Mar 2003 |
| Poe, Oliver "A" O-6-12493 | Cass Energy LLC only | Haynes (Mitchell) | Cass | 1 | 56.7K | 21 | by Jan 1993 – Aug 2026 |
| Oliver F. Goen Unit O-3-21675 | Union Pacific Resources Company only | Giddings (Austin Chalk-3) | Brazos | 1 | 53.3K | 359K | by Jan 1993 – Jul 1998 |
| Oliver 13-24 O-10-48723 | Tall City Operations III LLC only | Phantom (Wolfcamp) | Reeves | 1 | 49.7K | 170K | May 2017 – Jul 2017 |
| Oliver Oil Unit O-6-11587 | Linder, John Operating Co., LLC only | Chapel Hill (Travis Peak) | Smith | 1 | 37.5K | 466K | by Jan 1993 – Aug 2026 |
| Oliver O-8-30011 | 4T Production LLC only | Lake Kirby | Taylor | 10 | 35.8K | 2.95K | Jan 2008 – Aug 2026 |
| Ranch O-13-28897 | Ray Herring Operating Co., LLC only | Oliver Loving (Miss) | Young | 2 | 32.9K | 3.78K | Jan 1995 – Mar 2015 |
| Hackett, Oliver, Estate O-6-3389 | Phillips, Jack L. Co. only | Red Springs (Rodessa, Middle) | Smith | 2 | 30.7K | 22.6K | by Jan 1993 – May 2021 |
| Haag, Oliver O-13-32162 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 3 | 30.3K | 731K | Jul 2011 – Sep 2018 |
| Ramsey, G. E., -B- O-10-20531 | Oliver Oil & Gas only | Geraldine, W. (Delaware 2435) | Culberson | 5 | 26.9K | 132 | by Jan 1993 – Jun 2017 |
| Oliver, J. R., 207 O-5-1927 | Union Oil Company of California only | Van (Shallow) | Van Zandt | 2 | 25.9K | 15.1K | by Jan 1993 – May 2012 |
| Loving, Oliver Estate "B" O-13-28324 | Great American Resources Inc. only | Jermyn, West (Caddo-MF) | Young | 1 | 22.6K | 98.1K | by Jan 1993 – Feb 2018 |
| Ramsey, G. E. O-10-20453 | Oliver Oil & Gas only | Geraldine, W. (Delaware 2435) | Culberson | 3 | 22.4K | 67.7K | by Jan 1993 – Jun 2017 |
| Oliver O-13-25655 | Postpeak, LLC only | Archer County Regular | Archer | 33 | 20K | 516 | by Jan 1993 – May 2017 |
| Oliver & Tracy O-5-1959 | Roberts & Hammack Inc. only | Red Oak (Sub-Clarksville) | Leon | 1 | 19.6K | 461 | by Jan 1993 – Aug 2026 |
| Oliver Swenson 'A' O-8-32854 | Pure O & G, LLC only | Jones County Regular | Jones | 1 | 19.5K | 0 | Aug 2024 – Aug 2026 |
| Oliver Unit O-3-11316 | Lucky Lad Energy, LLC only | Oliver (Frio 8640) | Brazoria | 1 | 19.2K | 19.6K | by Jan 1993 – Jul 2018 |
| Oliver Unit O-1-13412 | Alcor Energy, Inc. only | Whiplash (Austin Chalk) | Wilson | 1 | 15.8K | 2.77K | by Jan 1993 – Feb 2007 |
| Oliver, Robert O-13-12007 | Echo Production, Inc. only | Young County Regular | Young | 7 | 14.8K | 21 | by Jan 1993 – Jan 2003 |
| Oliver, J. R. O-5-3572 | Hughes Oil Operating, LLC only | Van (Upper Rodessa) | Van Zandt | 2 | 11.1K | 32.4K | Jul 1997 – Feb 1999 |
| Oliver O-9-11587 | Prime Operating Company only | Spraberry (Trend Area) | Upton | 1 | 10.8K | 56.9K | by Jan 1993 – Aug 1998 |
| Oliver,j.r. 207 O-5-1983 | Union Oil Company of California only | Van (Sub-Clarksville) | Van Zandt | 1 | 9.23K | 19.2K | by Jan 1993 – Mar 2010 |
| Oliver, George O-6-11295 | Ellis Exploration, Inc. only | Chapel Hill (Travis Peak) | Smith | 1 | 8.56K | 171K | by Jan 1993 – Feb 2019 |