| Central Ownby Unit O-11-66222 | Occidental Permian Ltd. only | Ownby (Clear Fork, Upper) | Yoakum | 156 | 12.3M | 2.69M | by Jan 1993 – Aug 2026 |
| Ownby San Andres Unit O-11-60739 | Occidental Permian Ltd. only | Ownby | Yoakum | 105 | 5.76M | 2.63M | by Jan 1993 – Aug 2026 |
| Ownby (Clear Fork, Upper) Unit O-11-62352 | Occidental Permian Ltd. only | Ownby (Clear Fork, Upper) | Yoakum | 79 | 2.97M | 1.13M | by Jan 1993 – Aug 2026 |
| Martin "AB" O-11-4578 | Texland Petroleum, L.P. only | Ownby | Yoakum | 15 | 932K | 268K | by Jan 1993 – Aug 2026 |
| Shell-More O-11-66702 | Texland Petroleum, L.P. only | Ownby, West (San Andres) | Yoakum | 9 | 817K | 318K | by Jan 1993 – Aug 2026 |
| Gilstrap, B. L. O-11-4584 | Texland Petroleum, L.P. only | Ownby | Yoakum | 8 | 495K | 211K | by Jan 1993 – Aug 2026 |
| Powell, Mattie "A" O-11-61989 | Texland Petroleum, L.P. only | Ownby (Wichita-Albany) | Yoakum | 2 | 379K | 100K | by Jan 1993 – Jul 2026 |
| E Ownby O-11-69815 | Occidental Permian Ltd. only | Ownby (Clear Fork, Upper) | Yoakum | 5 | 341K | 92.6K | Oct 2011 – Aug 2026 |
| Shell-More "A" O-11-66832 | Texland Petroleum, L.P. only | Ownby, West (San Andres) | Yoakum | 4 | 304K | 164K | by Jan 1993 – Aug 2026 |
| Lackey O-11-13848 | Texland Petroleum, L.P. only | Ownby, West (San Andres) | Yoakum | 5 | 262K | 415K | by Jan 1993 – Aug 2026 |
| More-Lackey L.L.P. O-11-68655 | Texland Petroleum, L.P. only | Ownby, West (San Andres) | Yoakum | 2 | 243K | 99.1K | Dec 2003 – Aug 2026 |
| Martin, H. C. "B" O-11-68234 | Texland Petroleum, L.P. only | Ownby (Clear Fork, Upper) | Yoakum | 2 | 190K | 45.3K | Sep 2000 – Jul 2026 |
| Shell - More "B" O-11-66969 | Texland Petroleum, L.P. only | Ownby, West (San Andres) | Yoakum | 2 | 172K | 170K | Mar 1993 – Aug 2026 |
| Shrek O-11-71326 | Texland Petroleum, L.P. only | Ownby (Clear Fork, Lo.) | Yoakum | 4 | 138K | 22.9K | Jul 2023 – Aug 2026 |
| Fitzgerald, M. T. O-11-61923 | Texland Petroleum, L.P. only | Ownby (Wichita-Albany) | Yoakum | 2 | 129K | 95.2K | by Jan 1993 – Mar 2024 |
| Cummings O-11-66803 | Texland Petroleum, L.P. only | Ownby, West (San Andres) | Yoakum | 2 | 104K | 139K | by Jan 1993 – Aug 2026 |
| Lackey O-11-64033 | Walkabout Operating, LLC only | Ownby (Wichita-Albany) | Yoakum | 1 | 102K | 14K | by Jan 1993 – Aug 2026 |
| More, R. L. Jr. O-11-4604 | Texland Petroleum, L.P. only | Ownby, West (San Andres) | Yoakum | 3 | 100K | 41.1K | by Jan 1993 – Mar 2012 |
| Lackey O-11-63085 | Woodbine Production Corporation only | Ownby | Yoakum | 1 | 89.5K | 244 | by Jan 1993 – Jul 2026 |
| Brownfield O-11-66208 | Flat Top Operating, LLC only | Ownby | Yoakum | 1 | 82.3K | 51.3K | by Jan 1993 – Aug 2026 |
| Lackey 'AB' O-11-70615 | Texland Petroleum, L.P. only | Ownby, West (San Andres) | Yoakum | 2 | 71.3K | 58.7K | Jun 2017 – Aug 2026 |
| Hooker, L. H. O-11-16197 | Texland Petroleum, L.P. only | Ownby (Wichita-Albany) | Yoakum | 4 | 65.9K | 129K | by Jan 1993 – Jul 2026 |
| Tingle O-11-70497 | Warren American Oil Company, LLC only | Ownby (Clear Fork, Upper) | Yoakum | 1 | 65.1K | 26.7K | Sep 2016 – Aug 2026 |
| Central Ownby Unit O-11-70484 | Occidental Permian Ltd. only | Ownby (Glorieta) | Yoakum | 1 | 56.3K | 10.7K | Aug 2015 – Aug 2026 |
| Martin, H. C. "B" O-11-4579 | Texland-Rector & Schumacher only | Ownby | Yoakum | 3 | 54.8K | 51.1K | by Jan 1993 – Aug 1997 |
| Matsler O-11-4603 | Texland Petroleum, L.P. only | Ownby, West (San Andres) | Yoakum | 2 | 41K | 765 | by Jan 1993 – Aug 2026 |
| Fitzgerald, M.T. O-11-71351 | Texland Petroleum, L.P. only | Ownby (Clear Fork, Lo.) | Yoakum | 6 | 37K | 8.17K | Apr 2024 – Aug 2026 |
| Farquaad O-11-71452 | Texland Petroleum, L.P. only | Ownby (Clear Fork, Lo.) | Yoakum | 4 | 33.5K | 5.16K | Mar 2025 – Aug 2026 |
| Donkey O-11-71374 | Texland Petroleum, L.P. only | Ownby (Clear Fork, Lo.) | Yoakum | 1 | 15.8K | 3.16K | Mar 2024 – Aug 2026 |
| Fiona O-11-71313 | Texland Petroleum, L.P. only | Ownby (Clear Fork, Lo.) | Yoakum | 2 | 12K | 0 | Aug 2023 – Aug 2026 |
| Middleton O-11-69980 | Rogers, S. K. Oil, Inc. only | Ownby, West (San Andres) | Yoakum | 1 | 5.38K | 0 | Aug 2012 – Apr 2019 |
| Hooker, L.H. O-11-71530 | Texland Petroleum, L.P. only | Ownby (Clear Fork, Lo.) | Yoakum | 2 | 3.28K | 838 | Aug 2026 – Aug 2026 |
| Shell - More "D" O-11-67237 | Texland Petroleum, L.P. only | Ownby, West (San Andres) | Yoakum | 1 | 2.87K | 7.52K | May 1994 – Aug 1995 |
| Martin, H. C. "B" O-11-60362 | Texland-Rector & Schumacher only | Ownby (Clear Fork, Upper) | Yoakum | 1 | 2.12K | 13 | by Jan 1993 – Jan 1994 |
| Waples-Platter "TG" O-11-60364 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 4 | 1.95K | 4.88K | by Jan 1993 – Feb 1993 |
| *ownby* O-11-60269 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 2 | 1.36K | 3.03K | by Jan 1993 – Feb 1993 |
| Ownby, Ernest O-11-60373 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 6 | 1.31K | 1.92K | by Jan 1993 – Feb 1993 |
| Powell, Mattie 'A' O-11-71531 | Texland Petroleum, L.P. only | Ownby (Clear Fork, Lo.) | Yoakum | 2 | 718 | 597 | Aug 2026 – Aug 2026 |
| Ownby O-11-63334 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 1 | 539 | 2.76K | by Jan 1993 – Feb 1993 |
| Ownby "A" O-11-60311 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 2 | 530 | 2.36K | by Jan 1993 – Feb 1993 |
| Ownby "B" O-11-60325 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 2 | 414 | 1.13K | by Jan 1993 – Feb 1993 |
| Martin, H. C. O-11-60292 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 1 | 409 | 928 | by Jan 1993 – Feb 1993 |
| Waples-Platter "Tga" O-11-63392 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 2 | 402 | 453 | by Jan 1993 – Feb 1993 |
| Waples-Platter O-11-60340 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 1 | 277 | 2 | by Jan 1993 – Feb 1993 |
| Cone, S. E. O-11-69107 | Occidental Permian Ltd. only | Ownby | Yoakum | 1 | 144 | 0 | Oct 2007 – Oct 2007 |
| Lackey O-11-60319 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 1 | 142 | 2 | by Jan 1993 – Feb 1993 |
| Lackey, Mary O-11-65199 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 1 | 118 | 2 | by Jan 1993 – Feb 1993 |
| Ownby, E. O-11-60447 | Woodbine Production Corporation only | Ownby (Clear Fork, Upper) | Yoakum | 1 | 61 | 54 | Aug 1993 – Jul 1994 |
| Mathis, L. H. O-11-65274 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 1 | 59 | 2 | by Jan 1993 – Feb 1993 |
| Martin Estate O-11-62332 | Texland Petroleum, L.P. only | Ownby | Yoakum | 1 | 7 | 59 | by Jan 1993 – Jan 1993 |