| North Cowden Unit O-10-20164 | Occidental Permian Ltd. | Cowden, North | 1,651 | 99.7M | 44.2M | Jan 1993 – Jul 2026 |
| Means /San Andres/ Unit O-10-17503 | Hilcorp Energy Company | Means | 1,236 | 89M | 52.4M | Jan 1993 – Jul 2026 |
| Fullerton Clearfork Unit O-10-1770 | Hilcorp Energy Company | Fullerton | 1,406 | 76.9M | 65.2M | Jan 1993 – Jul 2026 |
| Mabee Unit O-10-4010 | Scout Energy Management LLC | Mabee | 919 | 37.9M | 78M | Jan 1993 – Jul 2026 |
| Midland Farms Unit O-10-15874 | Occidental Permian Ltd. | Midland Farms | 654 | 26.7M | 9.53M | Jan 1993 – Jul 2026 |
| Dollarhide Unit O-10-13867 | Scout Energy Management LLC | Dollarhide (Devonian) | 225 | 23.4M | 40.6M | Jan 1993 – Jul 2026 |
| University "7-43" O-10-40532 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | 117 | 22.8M | 45.7M | Jul 2010 – Jul 2026 |
| Cross Bar Ranch O-10-38014 | COG Operating LLC | Spraberry (Trend Area) | 154 | 17.1M | 28.5M | Dec 2006 – Jul 2026 |
| Goldsmith Andector Unit O-10-21193 | Maverick Permian LLC | Goldsmith (Clear Fork) | 625 | 14.3M | 162M | Jan 1993 – Jul 2026 |
| Dollarhide Unit O-10-13869 | Scout Energy Management LLC | Dollarhide (Clear Fork) | 224 | 13.7M | 20.5M | Jan 1993 – Jul 2026 |
| North Dollarhide Unit O-10-11267 | OXY USA WTP LP | Dollarhide (Devonian) | 108 | 13.1M | 15.3M | Jan 1993 – Jul 2026 |
| West Fuhrman-Mascho Unit O-10-21220 | Bce-Mach III LLC | Fuhrman-Mascho | 565 | 12.7M | 15.2M | Jan 1993 – Jul 2026 |
| Fee "BM" O-10-42190 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | 55 | 10.3M | 13M | Aug 2011 – Jul 2026 |
| Andrews Unit O-10-34968 | Hilcorp Energy Company | Andrews (Wolfcamp-Penn.) | 97 | 9.38M | 8.35M | Jul 1996 – Jul 2026 |
| University Block 9 O-10-39152 | XTO Energy Inc. | University Block 9 (Devonian) | 79 | 9.2M | 13.9M | Jan 2009 – Jul 2026 |
| Mabee 240C O-10-39493 | COG Operating LLC | Spraberry (Trend Area) | 83 | 9.04M | 22.4M | Feb 2009 – Jul 2026 |
| Fee 'BP' O-10-54222 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | 41 | 8.63M | 9.11M | Feb 2020 – Jul 2026 |
| University Andrews O-10-1270 | Maverick Permian LLC | Embar (Permian) | 216 | 8.03M | 77.6M | Jan 1993 – Jul 2026 |
| Scarborough Unit O-10-31494 | Texland Petroleum, L.P. | Fullerton (San Andres) | 100 | 7.16M | 1.51M | Jan 1993 – Jul 2026 |
| Fullerton /San Andres/ Unit O-10-20307 | Hilcorp Energy Company | Fullerton (San Andres) | 127 | 6.86M | 1.11M | Jan 1993 – Jul 2026 |
| Bakke Unit O-10-20882 | Hilcorp Energy Company | Bakke (Wolfcamp) | 111 | 6.82M | 8.79M | Jan 1993 – Jul 2026 |
| Three Bar Shallow Unit O-10-43190 | Hilcorp Energy Company | Three Bar (Wichita) | 23 | 6.75M | 14.7M | Aug 2012 – Jul 2026 |
| Fee 'CF' O-10-51266 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | 24 | 6.74M | 9.74M | Sep 2018 – Jul 2026 |
| Shafter Lake /San Andres/ Unit O-10-20587 | Hilcorp Energy Company | Shafter Lake (San Andres) | 410 | 6.7M | 2.31M | Jan 1993 – Jul 2026 |
| Fee 'BN' O-10-40115 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | 75 | 6.57M | 14.8M | Apr 2010 – Jul 2026 |
| North Dollarhide Unit O-10-32853 | OXY USA WTP LP | Dollarhide (Clear Fork) | 100 | 6.53M | 7.29M | Jan 1993 – Jul 2026 |
| Fee 'AO' O-10-45931 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | 28 | 6.16M | 7.11M | Nov 2014 – Jul 2026 |
| W. Means /Grbg.-San Andres/ Unit O-10-18729 | Reverence Operating LLC | Means | 288 | 6M | 2.07M | Jan 1993 – Jul 2026 |
| Ratliff & Bedford O-10-361 | Hilcorp Energy Company | Bedford (Devonian) | 48 | 5.79M | 6.44M | Jan 1993 – Jul 2026 |
| Shafter Lake Clearfork Unit O-10-34411 | Highmark Energy Operating, LLC | Shafter Lake (Clear Fork) | 79 | 5.61M | 1.5M | Feb 1995 – Jul 2026 |
| Dollarhide Unit O-10-13871 | Scout Energy Management LLC | Dollarhide (Silurian) | 59 | 5.56M | 3.2M | Jan 1993 – Jul 2026 |
| Midland Farms Deep Unit O-10-30861 | Occidental Permian Ltd. | Midland Farms Deep | 67 | 4.81M | 21M | Jan 1993 – Jul 2026 |
| Fee 'BV' O-10-49973 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | 24 | 4.69M | 4.6M | Dec 2017 – Jul 2026 |
| Fsau O-10-34310 | White Rock Oil & Gas, LLC | Fullerton (San Andres) | 78 | 4.56M | 796K | Nov 1994 – Jul 2026 |
| Mabee 139 O-10-38792 | COG Operating LLC | Spraberry (Trend Area) | 123 | 4.5M | 10.1M | Apr 2008 – Jul 2026 |
| Parker Unit O-10-34306 | Chevron Midcontinent, L.P. | Parker (Wolfcamp) | 112 | 4.4M | 7.56M | Sep 1994 – Feb 2012 |
| Mfe Unit O-10-33264 | Fasken Oil and Ranch, Ltd. | M.F.E. (Grayburg) | 52 | 4.19M | 835K | Jan 1993 – Jul 2026 |
| UL BLK 6 Ddu A O-10-47890 | Diamondback E&P LLC | Spraberry (Trend Area) | 15 | 4.05M | 3.37M | Apr 2016 – Jul 2026 |
| Logsdon -C- O-10-18905 | Texland Petroleum, L.P. | Fullerton (San Andres) | 50 | 3.98M | 525K | Jan 1993 – Jul 2026 |
| Deep Rock Glorieta Unit O-10-33898 | Hilcorp Energy Company | Deep Rock (Glorieta 5950) | 35 | 3.86M | 478K | Jul 1993 – Jul 2026 |
| University BLK.9 /Wolfcamp/ Unit O-10-15046 | XTO Energy Inc. | University Block 9 (Wolfcamp) | 66 | 3.83M | 7.63M | Jan 1993 – Jul 2026 |
| Cross Bar Ranch H O-10-60500 | COG Operating LLC | Spraberry (Trend Area) | 59 | 3.75M | 6.25M | Jan 2024 – Jul 2026 |
| White, J. M. O-10-11303 | Citation Oil & Gas Corp. | Block a-34 (Glorieta) | 10 | 3.6M | 240K | Jan 1993 – Jul 2026 |
| Bitler O-10-17015 | White Rock Oil & Gas, LLC | Fullerton (San Andres) | 72 | 3.58M | 680K | Jan 1993 – Jul 2026 |
| University Block 9 /Penn/ Unit O-10-21413 | XTO Energy Inc. | University Block 9 (Penn.) | 70 | 3.56M | 7.45M | Jan 1993 – Jul 2026 |
| Mabee 14-9 O-10-62315 | Diamondback E&P LLC | Spraberry (Trend Area) | 20 | 3.56M | 8.84M | Nov 2024 – Jul 2026 |
| University Block 14 Cons. O-10-29524 | Ring Energy, Inc. | Shafter Lake (San Andres) | 86 | 3.45M | 1.09M | Jan 1993 – Jul 2026 |
| Fee 'CD' O-10-45935 | Fasken Oil and Ranch, Ltd. | Spraberry (Trend Area) | 11 | 3.37M | 5.33M | Dec 2014 – Jul 2026 |
| UL Tawny Unit 8-12 O-10-45939 | Diamondback E&P LLC | Spraberry (Trend Area) | 9 | 3.2M | 3.69M | Nov 2014 – Jul 2026 |
| South Fuhrman Mascho Unit O-10-21365 | Crescent Energy Operating, LLC | Fuhrman-Mascho | 179 | 3.1M | 3.46M | Jan 1993 – Jul 2026 |