| Cook 62/83 O-8-26774 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 46 | 529K | 21 | Jan 1993 – Apr 2026 |
| Newell, W. P. -B- O-8-9194 | DH Operating, Inc. only | Cook Ranch | Shackelford | 29 | 402K | 10.4K | Jan 1993 – Apr 2026 |
| Newell, W. P., -A- O-8-9193 | DH Operating, Inc. only | Cook Ranch | Shackelford | 27 | 361K | 21 | Jan 1993 – Apr 2026 |
| Matthews, Angi PA O-8-29499 | Subsea Operating Co. only | Cook Ranch | Throckmorton | 3 | 162K | 0 | Jan 2005 – Mar 2026 |
| Cook, W. I. O-8-3564 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 58 | 133K | 48.2K | Jan 1993 – Apr 2026 |
| Nail 120 (M-J) O-8-16502 | Tom-Tom Operating, LLC only | Cook Ranch | Shackelford | 18 | 121K | 52 | Jan 1993 – Apr 2026 |
| Cook Ranch 88 O-8-30364 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 33 | 114K | 44.7K | Jul 2009 – Apr 2026 |
| Nail, J.H. 119 O-8-13042 | Tom-Tom Operating, LLC only | Cook Ranch | Shackelford | 44 | 87.8K | 66 | Jan 1993 – Apr 2026 |
| Ivy O-8-30151 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 14 | 67.8K | 15.9K | Aug 2008 – Dec 2023 |
| Cook -a-, Section 81 O-8-9183 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 5 | 55.6K | 21 | Jan 1993 – Apr 2026 |
| Cook Ranch 85WS O-8-31366 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 14 | 41K | 0 | May 2014 – Apr 2026 |
| Cook -B- Sec. 113 O-8-3571 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 2 | 34.8K | 24.2K | Jan 1993 – Apr 2026 |
| Cook, W. I. Estates Sec. /139A/ O-8-3573 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 24 | 31.5K | 21 | Jan 1993 – Jul 2002 |
| Cook Ranch 60SH O-8-30887 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 12 | 30.9K | 0 | Nov 2011 – Apr 2026 |
| Newell, W. P., Est. O-8-8923 | DH Operating, Inc. only | Cook Ranch | Shackelford | 9 | 28.2K | 216 | Jan 1993 – Nov 2016 |
| Stasney Ranch 62/63 O-8-32666 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 20 | 27.9K | 0 | Apr 2023 – Apr 2026 |
| Cook, W. I., Est. -B- /Sec. 90/ O-8-7068 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 3 | 23.7K | 21 | Jan 1993 – Jan 2009 |
| Cook Ranch "61" O-8-30129 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 9 | 21.3K | 865 | Jun 2008 – Apr 2026 |
| Stasney Ranch 62 O-8-32169 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 15 | 21.2K | 0 | Aug 2018 – Apr 2026 |
| Cook Ranch 113 O-8-30273 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 7 | 20.3K | 2.42K | Jan 2009 – Oct 2020 |
| Newell Sec. 86N O-8-7067 | CDJ Oil Company, LLC only | Cook Ranch | Shackelford | 5 | 18.9K | 85 | Jan 1993 – Feb 2026 |
| Cook Ranch "60S" O-8-29834 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 15 | 15.5K | 3.88K | Nov 2006 – May 2024 |
| Cook Ranch 114 O-8-30150 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 6 | 8.57K | 0 | Aug 2008 – May 2022 |
| Cook Ranch 58 O-8-31490 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 5 | 8.16K | 0 | Jul 2014 – Jan 2023 |
| Stasney 61 O-8-32767 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 6 | 7.91K | 0 | Jul 2024 – Apr 2026 |
| Cook "B" SEC.146 O-8-25112 | Stasney, H. R. & Sons, Ltd. only | Cook Ranch | Shackelford | 1 | 6.3K | 21 | Jan 1993 – Feb 2007 |
| Cook Ranch 85 O-8-30240 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 3 | 6.29K | 12K | Dec 2008 – Apr 2026 |
| Cook Ranch 117 O-8-32343 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 1 | 4.17K | 0 | Oct 2019 – Apr 2026 |
| Ivy H O-8-31294 | JNS Production, LLC only | Cook Ranch | Shackelford | 2 | 3.81K | 0 | Jul 2013 – Sep 2025 |
| Nail 120 O-8-32732 | Bluff Creek Petroleum, LLC only | Cook Ranch | Shackelford | 3 | 3.78K | 0 | Nov 2023 – Apr 2026 |
| Cook Ranch 118H O-8-29422 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 1 | 2.78K | 0 | Jun 2004 – Jul 2012 |
| Cook -a- Sec. 118 O-8-3569 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 18 | 2.61K | 13 | Jan 1993 – Jan 1994 |
| Cook Ranch 89 O-8-30881 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 4 | 2.59K | 0 | Mar 2018 – Apr 2026 |
| Cook Ranch 63 O-8-32114 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 3 | 2.52K | 0 | Apr 2017 – Aug 2023 |
| Cook "a", Sec. 141 O-8-25354 | Young, Marshall R., Oil Co. only | Cook Ranch | Shackelford | 4 | 2.39K | 14 | Jan 1993 – Feb 1994 |
| Cook Ranch 112 H O-8-29423 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 1 | 2.35K | 0 | May 2004 – Dec 2013 |
| Cook Ranch 85S O-8-31662 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 2 | 2.27K | 0 | Oct 2014 – Sep 2021 |
| Cook-A- Section 116 O-8-24876 | Young, Marshall R., Oil Co. only | Cook Ranch | Shackelford | 5 | 2.16K | 13 | Jan 1993 – May 1995 |
| Cook Ranch 111A O-8-32441 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 3 | 2.01K | 0 | Jul 2022 – Apr 2026 |
| Cook "a" Sec. 146 O-8-24949 | Young, Marshall R., Oil Co. only | Cook Ranch | Shackelford | 4 | 1.87K | 13 | Jan 1993 – Jan 1994 |
| Cook Ranch 111H O-8-29391 | Stasney, H. R. & Sons, Ltd. only | Cook Ranch | Shackelford | 2 | 1.32K | 4 | Apr 2004 – Nov 2004 |
| Cook, W. I. Est. Sec. /139B/ O-8-3574 | Stasney, H. R. & Sons, Ltd. only | Cook Ranch | Shackelford | 8 | 1.05K | 13 | Jan 1993 – Jan 1994 |
| Nail 91A O-8-22897 | B P Operating Company only | Cook Ranch | Shackelford | 5 | 1.04K | 21 | Jan 1993 – Jun 1996 |
| Cook Ranch "60 H" O-8-29464 | Stasney, H. R. & Sons, Ltd. only | Cook Ranch | Shackelford | 1 | 862 | 1.88K | Sep 2004 – Nov 2007 |
| Cook Ranch 54A O-8-32194 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 3 | 805 | 0 | Oct 2019 – Mar 2022 |
| Nail "137" O-8-22097 | Schkade, Louis only | Cook Ranch | Shackelford | 2 | 514 | 15 | Jan 1993 – Jan 1994 |
| Cook "B" Sec 64 O-8-29580 | Stasney, H. R. & Sons, Ltd. only | Cook Ranch | Shackelford | 1 | 168 | 0 | Mar 2005 – Apr 2005 |
| Nail "A" O-8-26967 | Marjac Oil Company, Inc. only | Cook Ranch | Shackelford | 2 | 156 | 12 | Jun 1993 – Sep 1994 |
| Stasney Cook 88 O-8-30925 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 3 | 120 | 0 | Apr 2012 – Mar 2013 |
| Cook Ranch 54H G-8-212642 | Stasney, H. R. & Sons, Ltd. only | Cook Ranch | Shackelford | 1 | 52 | 751 | Aug 2005 – Nov 2006 |