| Harrison, W. Lee Unit O-11-60663 | Raw Oil & Gas, Inc. only | Lee Harrison | Lubbock | 39 | 1.75M | 81.1K | Jan 1993 – Jul 2026 |
| Harrison, Lee Unit O-11-60378 | Cross Timbers Energy, LLC only | Lee Harrison | Lubbock | 44 | 1.67M | 5.22K | Jan 1993 – Jul 2026 |
| Sides Unit O-11-68955 | Cross Timbers Energy, LLC only | Lee Harrison | Lubbock | 57 | 833K | 0 | Aug 2006 – Jul 2026 |
| Harrison Interests, Ltd. "A" O-3-7474 | DJH Oil & Gas LLC only | Hankamer (Miocene Sand) | Liberty | 35 | 695K | 49.9K | Jan 1993 – Jul 2026 |
| Harrison 29-28 O-10-45559 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 549K | 974K | Jun 2014 – Jul 2026 |
| Kentex-Harrison 35A O-10-54099 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 541K | 647K | Jan 2020 – Jul 2026 |
| Harrison -A- O-7-6371 | Basa Resources, Inc. only | East Texas | Gregg | 7 | 511K | 268K | Jan 1993 – Jul 2026 |
| Kentex-Harrison 35C O-10-54345 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 500K | 709K | Feb 2020 – Jul 2026 |
| Harrison 29-30 O-10-47447 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 500K | 1.02M | Dec 2015 – Jul 2026 |
| Harrison Forrest Oil Unit O-3-26416 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Madison | 7 | 430K | 900K | Jun 2013 – Jul 2026 |
| Kentex-Harrison 35B O-10-54416 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 412K | 813K | Feb 2020 – Jul 2026 |
| Kastman Oil Company, LLC O-11-62348 | Kastman Oil Company, LLC only | Lee Harrison | Lubbock | 6 | 370K | 217 | Jan 1993 – Jul 2026 |
| Harrison 29-20 O-10-47158 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 347K | 470K | Oct 2015 – Jul 2026 |
| Harrison O-3-25871 | CML Exploration, LLC only | Madisonville, W. (Woodbine -A-) | Madison | 2 | 342K | 996K | Dec 2011 – Jul 2026 |
| Harrison & Allen O-13-1607 | R2Q Operating LLC only | Clay County Regular | Clay | 34 | 324K | 32 | Jan 1993 – Jul 2026 |
| Kentex-Harrison 35D O-10-54602 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 319K | 741K | Feb 2020 – Jul 2026 |
| Harrison 29-26 O-10-45562 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 315K | 752K | Feb 2014 – Jul 2026 |
| Harrison et AL O-3-23681 | Escondido Petroleum Company, Inc only | Brookshire | Waller | 9 | 303K | 22.3K | Jun 1999 – Jul 2026 |
| Harrison 43 O-10-46711 | Mewbourne Oil Company only | Two Georges (Bone Spring) | Winkler | 1 | 289K | 286K | Jul 2015 – Jul 2026 |
| Harrison State C20 O-10-45734 | Resolute Natural Res. Co., LLC only | Phantom (Wolfcamp) | Reeves | 3 | 250K | 851K | Mar 2013 – Oct 2020 |
| Harrison 44 O-10-45985 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Winkler | 1 | 234K | 161K | Dec 2014 – Jul 2026 |
| Harrison Unit O-5-4234 | Wildfire Energy Operating LLC only | Aguila Vado (Eagleford) | Brazos | 1 | 219K | 93.6K | Oct 2015 – Jul 2026 |
| Harrison, Henry O-14-1184 | Momentum Operating Co., Inc. only | Panhandle Hutchinson County Fld. | Hutchinson | 9 | 201K | 420K | Jan 1993 – Jul 2026 |
| Harrison Unit O-3-27652 | Wildfire Energy Operating LLC only | Madisonville, W. (Woodbine -A-) | Brazos | 2 | 201K | 164K | Mar 2019 – Jul 2026 |
| Burford O-11-63114 | Texland Petroleum, L.P. only | Lee Harrison | Lubbock | 4 | 196K | 670 | Jan 1993 – Jul 2026 |
| Adams "E" O-11-62178 | Cross Timbers Energy, LLC only | Lee Harrison | Lubbock | 2 | 194K | 185 | Jan 1993 – Jul 2026 |
| Harrison 43 O-10-46288 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Winkler | 1 | 173K | 185K | Jan 2015 – Jul 2026 |
| Fiel O-11-63005 | Texland Petroleum, L.P. only | Lee Harrison | Lubbock | 2 | 171K | 536 | Jan 1993 – Jul 2026 |
| Harrison O-1-13778 | Modern Exploration, Inc. only | Pilgrim (Austin Chalk) | Gonzales | 1 | 150K | 23.2K | Aug 1993 – Jul 2026 |
| Harrison 29-25 O-10-45378 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 139K | 197K | Mar 2014 – Jun 2017 |
| Harrison 29-25 O-10-48349 | Anadarko E&P Onshore LLC only | Sandbar (Bone Spring) | Loving | 1 | 137K | 207K | Nov 2016 – Jul 2026 |
| Harrison, Graham O-13-28257 | Stovall Operating Co. only | Young County Regular | Young | 9 | 134K | 49.5K | Jan 1993 – Jul 2026 |
| Sides "E" O-11-62134 | Merit Energy Company only | Lee Harrison | Lubbock | 4 | 128K | 647 | Jan 1993 – Mar 2007 |
| Roberts Unit O-11-60569 | Cross Timbers Energy, LLC only | Lee Harrison | — | 5 | 124K | 2.66K | Jan 1993 – Jul 2026 |
| Lundell, Charles O-11-9379 | Raw Oil & Gas, Inc. only | Lee Harrison | — | 3 | 118K | 10.8K | Jan 1993 – Jul 2026 |
| Harrison 131 O-14-9192 | Resource Oil and Gas, LLC only | Allen-Parker (Marmaton) | Ochiltree | 1 | 114K | 55.6K | Aug 2014 – Jul 2026 |
| Pounds, Yvonne "A" O-11-62620 | Texland Petroleum, L.P. only | Lee Harrison | Lubbock | 3 | 114K | 457 | Jan 1993 – Mar 2014 |
| Kountze,denman & Stewart,j.t.iii O-3-2166 | Harrison, Sam G. Oil, Inc. only | Hillje, South | — | 1 | 112K | 117K | Jan 1993 – Jul 2018 |
| Fritz O-11-62921 | SSC, Inc. only | Lee Harrison | Lubbock | 4 | 108K | 134 | Jan 1993 – Jul 2026 |
| Cecil O-11-63289 | SSC, Inc. only | Lee Harrison | Lubbock | 2 | 107K | 134 | Jan 1993 – Jul 2026 |
| William B. Harrison O-3-26599 | Rose City Resources, LLC only | Fort Trinidad (Glen Rose -D-) | Houston | 1 | 106K | 330K | Dec 2014 – Jul 2026 |
| Harrison O-3-25480 | Slawson Exploration Company, Inc only | Angleton, South (12,100 Frio) | Brazoria | 1 | 106K | 638K | Dec 2009 – Jun 2015 |
| Harrison O-10-40395 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 2 | 103K | 143K | Jun 2010 – Jul 2026 |
| Potts "A" O-11-64025 | SSC, Inc. only | Lee Harrison | Lubbock | 2 | 94.5K | 134 | Jan 1993 – Jul 2026 |
| Cabot-Walter O-11-62770 | Merit Energy Company only | Lee Harrison | Lubbock | 4 | 92.7K | 1.29K | Jan 1993 – Mar 2007 |
| Harrison O-13-18065 | S.B. Street Operating, Inc. only | Young County Regular | Young | 5 | 92K | 19 | Jan 1993 – Jul 2026 |
| Harrison State 41 O-10-39082 | WPX Energy Permian, LLC only | Two Georges (Bone Spring) | Winkler | 1 | 91.7K | 211K | Jul 2007 – Jul 2026 |
| Harrison O-1-6805 | E. T. Oil Company only | Salt Flat, West | Caldwell | 19 | 90.2K | 21 | Jan 1993 – Jul 2026 |
| Huber-Harrison O-14-1743 | Burk Royalty Co., Ltd. only | Panhandle Hutchinson County Fld. | Hutchinson | 6 | 89.7K | 258K | Jan 1993 – Jul 2026 |
| Goodnight O-11-64034 | SSC, Inc. only | Lee Harrison | Lubbock | 2 | 88.6K | 134 | Jan 1993 – Jul 2026 |