| South Callaghan Ranch G-4-247838 | Beccero Creek (Lobo Cons.) | Webb | 1 | 4.25K | 576K | Oct 2008 – Apr 2026 |
| South Callaghan Ranch G-4-143688 | Beccero Creek (Lobo Cons.) | Webb | 1 | 4.2K | 4.38M | Jan 1993 – Apr 2026 |
| South Callaghan Ranch G-4-161287 | Brettchance (Lobo 1) | Webb | 1 | 4.04K | 2.65M | Sep 1996 – Apr 2026 |
| South Callaghan Ranch G-4-221165 | Beccero Creek (Lobo Cons.) | Webb | 1 | 3.95K | 1.73M | May 2006 – Apr 2026 |
| El Corazon Ranch G-4-232759 | Beccero Creek (Lobo Cons.) | Webb | 1 | 3.85K | 890K | Oct 2007 – Apr 2026 |
| South Callaghan Ranch G-4-225094 | Beccero Creek (Lobo Cons.) | Webb | 1 | 3.85K | 1.32M | Feb 2007 – Apr 2026 |
| El Corazon Ranch G-4-221637 | Beccero Creek (Lobo Cons.) | Webb | 1 | 3.76K | 811K | Jul 2006 – Apr 2026 |
| South Callaghan Ranch G-4-144337 | Small Cowboy (Lobo 6) | Webb | 1 | 3.52K | 3.06M | Jan 1993 – Apr 2026 |
| Coats G-4-242224 | Beccero Creek (Lobo Cons.) | Webb | 1 | 3.51K | 844K | Sep 2008 – Apr 2026 |
| South Callaghan Ranch G-4-237497 | Beccero Creek (Lobo Cons.) | Webb | 1 | 3.48K | 446K | Apr 2008 – Apr 2026 |
| South Callaghan Ranch G-4-225685 | Beccero Creek (Lobo Cons.) | Webb | 1 | 3.46K | 616K | Feb 2007 – Apr 2026 |
| South Callaghan Ranch G-4-230569 | Beccero Creek (Lobo Cons.) | Webb | 1 | 3.38K | 639K | Aug 2007 – Apr 2026 |
| South Callaghan Ranch G-4-142539 | Beccero Creek (Lobo Cons.) | Webb | 1 | 3.35K | 2.47M | Jan 1993 – Apr 2026 |
| South Callaghan Ranch G-4-253512 | Beccero Creek (Lobo Cons.) | Webb | 1 | 3.34K | 815K | Sep 2009 – Apr 2026 |
| Coats G-4-243246 | Beccero Creek (Lobo Cons.) | Webb | 1 | 3.33K | 798K | Sep 2008 – Apr 2026 |
| South Callaghan Ranch G-4-165991 | Beccero Creek (Lobo Cons.) | Webb | 1 | 3.25K | 1.6M | Dec 1997 – Apr 2026 |
| South Callaghan Ranch G-4-235278 | Big Cowboy (Wilcox 6000) | Webb | 1 | 3.02K | 413K | Feb 2008 – Apr 2026 |
| South Callaghan Ranch G-4-141892 | Beccero Creek (Lobo Cons.) | Webb | 1 | 3K | 2.54M | Jan 1993 – Apr 2026 |
| South Callaghan Ranch G-4-254620 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.99K | 624K | Nov 2009 – Apr 2026 |
| South Callaghan Ranch G-4-233987 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.76K | 616K | Jan 2008 – Apr 2026 |
| South Callaghan Ranch G-4-230620 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.74K | 743K | Jul 2007 – Apr 2026 |
| South Callaghan Ranch G-4-222833 | Brettchance (Lobo 1) | Webb | 1 | 2.63K | 1.05M | Sep 2006 – Apr 2026 |
| El Corazon Ranch G-4-223387 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.62K | 694K | Nov 2006 – Apr 2026 |
| South Callaghan Ranch Unit G-4-224612 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.6K | 262K | Jan 2007 – Apr 2026 |
| South Callaghan Ranch G-4-144879 | Contempo (Lobo 1) | Webb | 1 | 2.6K | 4.57M | Mar 1993 – Apr 2026 |
| South Callaghan Ranch G-4-150165 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.58K | 3.44M | Jun 1994 – Apr 2026 |
| South Callaghan Ranch G-4-233183 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.53K | 509K | Oct 2007 – Apr 2026 |
| G.B.G.L. & C. G-4-146822 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.51K | 1.44M | Sep 1993 – Apr 2026 |
| El Corazon Ranch G-4-223244 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.48K | 633K | Nov 2006 – Apr 2026 |
| South Callaghan Ranch G-4-232629 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.4K | 370K | Nov 2007 – Apr 2026 |
| G.B.G.L. & C. G-4-146876 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.37K | 2.22M | Sep 1993 – Apr 2026 |
| South Callaghan Ranch Unit G-4-228084 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.33K | 521K | Mar 2007 – Apr 2026 |
| South Callaghan Ranch G-4-232940 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.28K | 424K | Oct 2007 – Apr 2026 |
| South Callaghan Ranch G-4-142489 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.26K | 3.15M | Jan 1993 – Apr 2026 |
| Coats G-4-241942 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.2K | 416K | Aug 2008 – Apr 2026 |
| South Callaghan Ranch G-4-168058 | Contempo (Lobo 2) | Webb | 1 | 2.14K | 1.34M | Apr 1998 – Apr 2026 |
| South Callaghan Ranch G-4-232602 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.12K | 402K | Sep 2007 – Apr 2026 |
| South Callaghan Ranch G-4-150026 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.1K | 4M | May 1994 – Apr 2026 |
| South Callaghan Ranch G-4-162556 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.09K | 1.6M | Apr 1997 – Apr 2026 |
| South Callaghan Ranch G-4-247386 | Beccero Creek (Lobo Cons.) | Webb | 1 | 2.05K | 263K | Jan 2009 – Apr 2026 |
| South Callaghan Ranch G-4-119780 | Brettchance (Lobo 6) | Webb | 1 | 1.99K | 1.38M | Jan 1993 – Apr 2026 |
| South Callaghan Ranch G-4-144024 | Beccero Creek (Lobo Cons.) | Webb | 1 | 1.99K | 2.35M | Jan 1993 – Apr 2026 |
| South Callaghan Ranch G-4-235232 | Beccero Creek (Lobo Cons.) | Webb | 1 | 1.97K | 280K | Jan 2008 – Apr 2026 |
| South Callaghan Ranch G-4-223396 | Beccero Creek (Lobo Cons.) | Webb | 1 | 1.91K | 742K | Sep 2006 – Apr 2026 |
| South Callaghan Ranch G-4-141896 | Beccero Creek (Lobo Cons.) | Webb | 1 | 1.85K | 4.43M | Jan 1993 – Apr 2026 |
| South Callaghan Ranch G-4-193271 | Beccero Creek (Lobo Cons.) | Webb | 1 | 1.83K | 1.15M | Jan 2003 – Apr 2026 |
| G.B.G.L. & C. Co., Ltd. G-4-148545 | Beccero Creek (Lobo Cons.) | Webb | 1 | 1.82K | 2.1M | Feb 1994 – Apr 2026 |
| South Callaghan Ranch G-4-142543 | Big Cowboy (Lobo) | Webb | 1 | 1.76K | 1.24M | Jan 1993 – Apr 2026 |
| South Callaghan Ranch G-4-168018 | Beccero Creek (Lobo Cons.) | Webb | 1 | 1.76K | 742K | Mar 1998 – Apr 2026 |
| South Callaghan Ranch G-4-194401 | Beccero Creek (Lobo Cons.) | Webb | 1 | 1.72K | 594K | Apr 2003 – Apr 2026 |