| Cook 62/83 O-8-26774 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 46 | 529K | 21 | Jan 1993 – Apr 2026 |
| Cook, W. I. O-8-3564 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 58 | 133K | 48.2K | Jan 1993 – Apr 2026 |
| Cook Ranch 88 O-8-30364 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 33 | 114K | 44.7K | Jul 2009 – Apr 2026 |
| Cook Ranch 112 O-8-26590 | Stasney Well Service, LLC | Cook Ranch (Miss.) | Shackelford | 5 | 106K | 690K | Jan 1993 – Oct 2011 |
| Ivy O-8-30151 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 14 | 67.8K | 15.9K | Aug 2008 – Dec 2023 |
| Cook Strawn 85S/86S Pooled Unit O-8-30549 | Stasney Well Service, LLC | Cook Ranch (Strawn Sand) | Shackelford | 12 | 66.5K | 67.1K | May 2010 – Oct 2018 |
| Cook -a-, Section 81 O-8-9183 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 5 | 55.6K | 21 | Jan 1993 – Apr 2026 |
| Cook Ranch "60S" O-8-30671 | Stasney Well Service, LLC | Cook Ranch (Strawn Sand) | Shackelford | 8 | 52.6K | 47.7K | Dec 2010 – Nov 2024 |
| Stasney's Cook Ranch "57" O-8-29973 | Stasney Well Service, LLC | Shackelford County Regular | Shackelford | 19 | 44.9K | 0 | Sep 2007 – Apr 2026 |
| Cook Ranch 85WS O-8-31366 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 14 | 41K | 0 | May 2014 – Apr 2026 |
| Cook -B- Sec. 113 O-8-3571 | Stasney Well Service, LLC | 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 | Cook Ranch | Shackelford | 24 | 31.5K | 21 | Jan 1993 – Jul 2002 |
| Cook Ranch 60SH O-8-30887 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 12 | 30.9K | 0 | Nov 2011 – Apr 2026 |
| Stasney Ranch 62/63 O-8-32666 | Stasney Well Service, LLC | 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 | Cook Ranch | Shackelford | 3 | 23.7K | 21 | Jan 1993 – Jan 2009 |
| Cook Ranch "61" O-8-30129 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 9 | 21.3K | 865 | Jun 2008 – Apr 2026 |
| Stasney Ranch 62 O-8-32169 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 15 | 21.2K | 0 | Aug 2018 – Apr 2026 |
| Cook Ranch 113 O-8-30273 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 7 | 20.3K | 2.42K | Jan 2009 – Oct 2020 |
| Cook 85-60 Pooled Unit O-8-30140 | Stasney Well Service, LLC | Shackelford County Regular | Shackelford | 7 | 19.1K | 7 | Jun 2008 – Apr 2026 |
| Cook 145 O-8-29336 | Stasney Well Service, LLC | Cook Ranch (Miss.) | Shackelford | 1 | 18K | 37.7K | Dec 2003 – Apr 2026 |
| Cook 116S O-8-30594 | Stasney Well Service, LLC | Cook Ranch (Strawn Sand) | Shackelford | 1 | 17.3K | 0 | Oct 2010 – Apr 2026 |
| Cook Ranch "60S" O-8-29834 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 15 | 15.5K | 3.88K | Nov 2006 – May 2024 |
| Cook 88S O-8-30577 | Stasney Well Service, LLC | Cook Ranch (Strawn Sand) | Shackelford | 3 | 10.5K | 7.06K | Sep 2010 – Mar 2013 |
| Cook Ranch O-8-27240 | Stasney Well Service, LLC | Natalie Nicole (Miss.) | Shackelford | 1 | 9.5K | 38K | Jul 1994 – May 2012 |
| Cook Ranch 114 O-8-30150 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 6 | 8.57K | 0 | Aug 2008 – May 2022 |
| Cook Ranch 58 O-8-31490 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 5 | 8.16K | 0 | Jul 2014 – Jan 2023 |
| Stasney 61 O-8-32767 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 6 | 7.91K | 0 | Jul 2024 – Apr 2026 |
| Stasney's Cook Ranch 59 O-8-29827 | Stasney Well Service, LLC | Shackelford County Regular | Shackelford | 4 | 7.36K | 3.29K | Nov 2006 – Feb 2012 |
| Cook Ranch 85 O-8-30240 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 3 | 6.29K | 12K | Dec 2008 – Apr 2026 |
| Cook Ranch 117 O-8-32343 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 1 | 4.17K | 0 | Oct 2019 – Apr 2026 |
| Cook Ranch 118H O-8-29422 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 1 | 2.78K | 0 | Jun 2004 – Jul 2012 |
| Cook -a- Sec. 118 O-8-3569 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 18 | 2.61K | 13 | Jan 1993 – Jan 1994 |
| Cook Ranch 89 O-8-30881 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 4 | 2.59K | 0 | Mar 2018 – Apr 2026 |
| Cook Ranch 63 O-8-32114 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 3 | 2.52K | 0 | Apr 2017 – Aug 2023 |
| Cook Ranch 112 H O-8-29423 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 1 | 2.35K | 0 | May 2004 – Dec 2013 |
| Cook Ranch 85S O-8-31662 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 2 | 2.27K | 0 | Oct 2014 – Sep 2021 |
| Stasney's Cook Ranch 86S O-8-30939 | Stasney Well Service, LLC | Cook Ranch (Strawn Sand) | Shackelford | 2 | 2.19K | 0 | Jan 2012 – Dec 2012 |
| Cook Ranch 111A O-8-32441 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 3 | 2.01K | 0 | Jul 2022 – Apr 2026 |
| Dawson Conway-Cook 146 O-8-29883 | Stasney Well Service, LLC | M. P. C. (Flippen) | Shackelford | 6 | 1.8K | 0 | Mar 2007 – Aug 2010 |
| Cook 85WS O-8-30719 | Stasney Well Service, LLC | Cook Ranch (Strawn Sand) | Shackelford | 4 | 950 | 0 | Feb 2013 – Jan 2015 |
| Cook Ranch 54A O-8-32194 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 3 | 805 | 0 | Oct 2019 – Mar 2022 |
| Cook Ranch G-8-178615 | Stasney Well Service, LLC | Shackelford County Regular | Shackelford | 1 | 436 | 31.3K | Aug 2000 – Nov 2009 |
| Cook "B" Sec 146 O-8-30740 | Stasney Well Service, LLC | M. P. C. (Flippen) | Shackelford | 1 | 348 | 0 | Jun 2011 – Jul 2015 |
| Stasney Cook 88 O-8-30925 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 3 | 120 | 0 | Apr 2012 – Mar 2013 |
| Cook Ranch "61H" O-8-29462 | Stasney Well Service, LLC | Shackelford County Regular | Shackelford | 1 | 94 | 36 | Aug 2004 – Sep 2004 |
| Cook "X", Sec. 63 G-8-128208 | Stasney Well Service, LLC | Shackelford County Regular (Gas) | Shackelford | 1 | 72 | 297K | Jan 1993 – Mar 2018 |
| Cook Ranch 170 O-8-31924 | Stasney Well Service, LLC | Shackelford County Regular | Shackelford | 1 | 0 | 0 | — |
| Cook Ranch "84H" O-8-29463 | Stasney Well Service, LLC | Shackelford County Regular | Shackelford | 1 | 0 | 0 | — |
| Cook 88S O-8-32345 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 2 | 0 | 0 | — |
| Stasney Ranch 140 O-8-32416 | Stasney Well Service, LLC | Cook Ranch | Shackelford | 1 | 0 | 0 | — |