| Waddell TR A O-10-5263 | Blackbeard Operating, LLC only | Sand Hills (McKnight) | Crane | 661 | 18.8M | 66.6M | Jan 1993 – Apr 2026 |
| Tubb, J. B. a/C #1 O-10-5264 | Formentera Operations LLC only | Sand Hills (McKnight) | Crane | 154 | 1.25M | 22.5M | Jan 1993 – Apr 2026 |
| McKnight, M. B. O-10-5262 | Ring Energy, Inc. only | Sand Hills (McKnight) | Crane | 86 | 1.1M | 6.95M | Jan 1993 – Apr 2026 |
| McKnight Sand Hills Unit O-10-44089 | Blackbeard Operating, LLC only | Sand Hills (McKnight) | Crane | 83 | 999K | 2.7M | Feb 2014 – Apr 2026 |
| Tubb-State, J.B. O-10-25148 | Blackbeard Operating, LLC only | Sand Hills (McKnight) | Crane | 18 | 267K | 2.1M | Jan 1993 – Apr 2026 |
| Tubb, J. B. -a- a/C #3 O-10-5270 | Formentera Operations LLC only | Sand Hills (McKnight) | Crane | 19 | 246K | 1.47M | Jan 1993 – Apr 2026 |
| Tubb, J. B., -F- O-10-16234 | Formentera Operations LLC only | Sand Hills (McKnight) | Crane | 23 | 214K | 3.73M | Jan 1993 – Apr 2026 |
| Tubb, J. B. -A- O-10-16007 | Ring Energy, Inc. only | Sand Hills (McKnight) | Crane | 19 | 213K | 4.38M | Jan 1993 – Apr 2026 |
| Tubb, J. B. -C- O-10-18870 | Formentera Operations LLC only | Sand Hills (McKnight) | Crane | 22 | 178K | 1.63M | Jan 1993 – Apr 2026 |
| Atlantic State O-10-26834 | Millwee Oil, Inc. only | Sand Hills (McKnight) | Crane | 6 | 175K | 1.28M | Jan 1993 – Apr 2026 |
| Tubb, J. B. -DK- a/C #1 O-10-5269 | Formentera Operations LLC only | Sand Hills (McKnight) | Crane | 11 | 161K | 989K | Jan 1993 – Apr 2026 |
| McKnight, M. B. O-10-8459 | Heifer Production Company LLC only | Sand Hills (McKnight) | Crane | 18 | 142K | 679K | Jan 1993 – Nov 2024 |
| McKnight, M. B. -B- O-10-8670 | Heifer Production Company LLC only | Sand Hills (McKnight) | Crane | 10 | 134K | 336K | Jan 1993 – Nov 2024 |
| McKnight, M. B. -A- O-10-8786 | Heifer Production Company LLC only | Sand Hills (McKnight) | Crane | 12 | 130K | 412K | Jan 1993 – Nov 2024 |
| McKnight, M. B. -C- O-10-5277 | Burnett Oil Co., Inc. only | Sand Hills (McKnight) | Crane | 7 | 117K | 1.01M | Jan 1993 – Jan 2014 |
| McKnight, M. B. -B- O-10-5276 | Burnett Oil Co., Inc. only | Sand Hills (McKnight) | Crane | 5 | 106K | 133K | Jan 1993 – Jan 2014 |
| Tubb, J. B., -B- O-10-14732 | Formentera Operations LLC only | Sand Hills (McKnight) | Crane | 26 | 106K | 4.06M | Jan 1993 – Apr 2026 |
| Johnson-State O-10-5268 | Millwee Oil, Inc. only | Sand Hills (McKnight) | Crane | 2 | 106K | 389K | Jan 1993 – Apr 2026 |
| McKnight, M. B. O-10-5274 | Burnett Oil Co., Inc. only | Sand Hills (McKnight) | Crane | 5 | 106K | 544K | Jan 1993 – Jan 2014 |
| Waddell, W.N., et al Tr. "C" O-10-24057 | Meridian Oil Inc.-Midland only | Sand Hills (McKnight) | Crane | 9 | 103K | 63.8K | Jan 1993 – Oct 1995 |
| Waddell TR Cab 7M O-10-62613 | Blackbeard Operating, LLC only | Sand Hills (McKnight) | Crane | 1 | 100K | 127K | Nov 2024 – Apr 2026 |
| McKnight, M. B. -A- O-10-5275 | Burnett Oil Co., Inc. only | Sand Hills (McKnight) | Crane | 5 | 88.8K | 870K | Jan 1993 – Jan 2014 |
| Tubb, J.B. 'B' a/C 2 O-10-23997 | Formentera Operations LLC only | Sand Hills (McKnight) | Crane | 6 | 87.4K | 1.26M | Jan 1993 – Apr 2026 |
| Tubb, J. B. a/C #2 O-10-12929 | Formentera Operations LLC only | Sand Hills (McKnight) | Crane | 25 | 83.8K | 774K | Jan 1993 – Apr 2026 |
| Reidland O-10-27669 | Millwee Oil, Inc. only | Sand Hills (McKnight) | Crane | 6 | 82.2K | 1.77M | Jan 1993 – Apr 2026 |
| McKnight, M. B. -D- O-10-5278 | Burnett Oil Co., Inc. only | Sand Hills (McKnight) | Crane | 3 | 81.1K | 136K | Jan 1993 – Jan 2014 |
| Lea, P. J. a/C 2 O-10-26526 | Formentera Operations LLC only | Sand Hills (McKnight) | Crane | 6 | 80.4K | 849K | Jan 1993 – Apr 2026 |
| Waddell TR B O-10-55825 | Blackbeard Operating, LLC only | Sand Hills (McKnight) | Crane | 32 | 75.2K | 227K | Feb 2022 – Apr 2026 |
| Waddell, W. N. O-10-10492 | Blackbeard Operating, LLC only | Sand Hills (McKnight) | Crane | 3 | 71.4K | 170K | Jan 1993 – Jul 2023 |
| Tubb, J. B. "D" -a/C -2 G-10-59161 | Lario Oil & Gas Company only | Sand Hills (McKnight) | Crane | 1 | 65.8K | 528K | Jan 1993 – Apr 2026 |
| Tubb O-10-21536 | Millwee Oil, Inc. only | Sand Hills (McKnight) | Crane | 3 | 63.2K | 341K | Jan 1993 – Apr 2026 |
| Gulf Tubb O-10-21881 | Millwee Oil, Inc. only | Sand Hills (McKnight) | Crane | 3 | 59.8K | 538K | Jan 1993 – Apr 2026 |
| McKnight, M. B. O-10-10795 | Flat Top Operating, LLC only | Sand Hills (McKnight) | Crane | 3 | 57.5K | 131 | Jan 1993 – Jun 2025 |
| Reidland & State O-10-28109 | Millwee Oil, Inc. only | Sand Hills (McKnight) | Crane | 1 | 50K | 459K | Jan 1993 – Apr 2026 |
| Reidland-State O-10-8493 | Millwee Oil, Inc. only | Sand Hills (McKnight) | Crane | 2 | 48.2K | 244K | Jan 1993 – Apr 2026 |
| McKnight-Croley O-10-5260 | Burnett Oil Co., Inc. only | Sand Hills (McKnight) | Crane | 5 | 46.2K | 534K | Jan 1993 – Jan 2014 |
| McKnight, M. B. -E- O-10-10005 | Burnett Oil Co., Inc. only | Sand Hills (McKnight) | Crane | 2 | 46.1K | 121K | Jan 1993 – Jan 2014 |
| Barnsley, M. L., "A" O-10-22753 | Venture Production Service Inc. only | Sand Hills (McKnight) | Crane | 2 | 45.2K | 218K | Jan 1993 – Apr 2026 |
| Johnson State O-10-8393 | Millwee Oil, Inc. only | Sand Hills (McKnight) | Crane | 2 | 43.9K | 349K | Jan 1993 – Apr 2026 |
| ES Vedra O-10-64949 | Blackbeard Operating, LLC only | Sand Hills (McKnight) | Crane | 1 | 40.3K | 35K | Dec 2025 – Apr 2026 |
| Tubb, J. B., Etal O-10-53910 | Ring Energy, Inc. only | Sand Hills (McKnight) | Crane | 2 | 36.7K | 27.3K | Mar 2020 – Apr 2026 |
| Tubb, J. B. -B- O-10-22500 | Ring Energy, Inc. only | Sand Hills (McKnight) | Crane | 6 | 35.1K | 208K | Jan 1993 – Feb 2017 |
| Tubb -A- O-10-21674 | Millwee Oil, Inc. only | Sand Hills (McKnight) | Crane | 3 | 33.5K | 673K | Jan 1993 – Apr 2026 |
| Tubb, J. B. 'B' a/C 2 G-10-62673 | Formentera Operations LLC only | Sand Hills (McKnight) | Crane | 1 | 31.4K | 1.3M | Jan 1993 – Apr 2026 |
| Barnsley, M. L. O-10-22359 | Extex Operating Company only | Sand Hills (McKnight) | Crane | 4 | 30.2K | 669K | Jan 1993 – Apr 2026 |
| Tubb, J. B. G-10-127307 | Ring Energy, Inc. only | Sand Hills (McKnight) | Crane | 1 | 30.2K | 1.06M | Jan 1993 – Apr 2026 |
| Tubb, J. B. O-10-36686 | Lario Oil & Gas Company only | Sand Hills (McKnight) | Crane | 1 | 29.4K | 81.4K | Apr 2001 – Feb 2007 |
| Tubb -B- O-10-21730 | Millwee Oil, Inc. only | Sand Hills (McKnight) | Crane | 1 | 28.6K | 21 | Jan 1993 – Apr 2026 |
| Waddell TR AB 2M O-10-64746 | Blackbeard Operating, LLC only | Sand Hills (McKnight) | Crane | 1 | 27.3K | 54K | Dec 2025 – Apr 2026 |
| Lea, P. J., -C- O-10-15920 | Richland Resources Corporation only | Sand Hills (McKnight) | Crane | 3 | 26.2K | 1.25K | Jan 1993 – Feb 2026 |