| Pescadito State 2026/1182 G-4-263002 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 35.9K | 1.21M | Sep 2011 – Oct 2018 |
| Killam & Hurd Fee 1496 G-4-235678 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 31.1K | 2.44M | Mar 2008 – Jan 2023 |
| Pescadito State 984 G-4-248019 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 23.2K | 2.2M | Feb 2009 – Apr 2014 |
| Killam and Hurd Fee 2005 G-4-290467 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 22.4K | 2.06M | Feb 2021 – Apr 2026 |
| Ortiz Ranch 'D' G-4-283409 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 21.8K | 1.18M | Feb 2018 – Apr 2026 |
| Killam and Hurd Fee 1200 G-4-204437 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 21.1K | 1.39M | Sep 2004 – Jan 2016 |
| Killam & Hurd Fee 1173 G-4-201426 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 20.2K | 1.43M | Apr 2004 – Feb 2008 |
| Pescadito State 1176 G-4-245761 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 20.2K | 1.95M | Feb 2009 – Apr 2026 |
| Killam & Hurd Fee 2023 G-4-200292 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 14.8K | 972K | Feb 2004 – Oct 2014 |
| Pescadito State 2024 G-4-265616 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 12.7K | 793K | May 2012 – Apr 2016 |
| Killam-Hurd-Amoco-Fee G-4-149390 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 11.8K | 1.49M | Mar 1994 – Feb 2012 |
| Killam & Hurd Fee 1195 G-4-262740 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 11.1K | 2.2M | Aug 2011 – Apr 2026 |
| Ortiz Ranch 'E' G-4-284460 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 9.3K | 226K | Jun 2018 – Jan 2021 |
| Ortiz Ranch "A" G-4-257243 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 8.93K | 1.09M | Jun 2010 – Apr 2026 |
| Pescadito State 984 G-4-274840 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 7.25K | 1.02M | May 2014 – Apr 2026 |
| Pescadito State 2024 G-4-257041 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 7.06K | 111K | Aug 2010 – May 2014 |
| Khe Fee G-4-169324 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 6.08K | 1.5M | Jul 1998 – Mar 2012 |
| Kha S2 G-4-281879 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 5.83K | 1.54M | Jan 2017 – Apr 2026 |
| Ortiz Ranch "B" G-4-262997 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 5.54K | 366K | Aug 2011 – Aug 2013 |
| Killam & Hurd Fee '1181' G-4-282122 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 5.21K | 518K | Dec 2016 – Apr 2026 |
| Kha S3 G-4-263608 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 5.2K | 620K | Nov 2011 – Aug 2023 |
| Pescadito State 2024 G-4-256349 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 5.05K | 613K | May 2010 – Nov 2016 |
| Killam Hurd Amoco Fee G-4-65182 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 4.86K | 614K | Jan 1993 – Nov 2016 |
| Killam & Hurd Fee 1496 G-4-245749 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 4.42K | 591K | Jan 2009 – Jan 2023 |
| Killam & Hurd Fee '1181' G-4-291027 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 4.38K | 459K | Jun 2021 – Apr 2026 |
| Killam and Hurd Fee 1200 G-4-208777 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 4.17K | 450K | Feb 2005 – Jan 2016 |
| Killam&hurd Amoco Fee G-4-99241 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 3.93K | 900K | Jan 1993 – Mar 2012 |
| Killam and Hurd Fee 1200 G-4-207835 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 3.84K | 436K | Jan 2005 – Jan 2016 |
| Killam - Hurd - Amoco G-4-126590 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 3.72K | 394K | Jan 1993 – Dec 2011 |
| Killam & Hurd Fee 1504 G-4-212229 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 3.56K | 599K | Jun 2005 – Mar 2025 |
| Kha W2 G-4-263520 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 3.35K | 539K | Nov 2011 – Apr 2026 |
| Killam-Hurd-Amoco 'Y' G-4-293231 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 3.05K | 518K | Jun 2022 – Apr 2026 |
| Killam-Hurd-Amoco Fee G-4-69077 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 2.65K | 1.73M | Jan 1993 – Apr 2026 |
| Killam, O. W. -C- G-4-265597 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 2.57K | 794K | Feb 2012 – Apr 2026 |
| Ortiz Ranch 'C' G-4-271217 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 2.46K | 614K | Dec 2013 – Apr 2026 |
| Pescadito State 1502 G-4-256327 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 2.15K | 107K | Nov 2009 – Dec 2012 |
| Kha G-4-257912 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 2.12K | 541K | Sep 2010 – Apr 2026 |
| Killam & Hurd Fee 1504 G-4-242249 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 2.02K | 1.22M | Jun 2008 – Apr 2026 |
| Kha G-4-274210 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 1.83K | 974K | Feb 2014 – Apr 2026 |
| Killam & Hurd Fee 1198 G-4-258351 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 1.51K | 307K | Nov 2010 – Apr 2026 |
| Killam & Hurd Fee 2023 G-4-204435 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 720 | 454K | Jul 2004 – Apr 2026 |
| Ortiz Ranch 'F' G-4-285599 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 707 | 164K | Oct 2018 – Jan 2021 |
| Killam - Hurd - Amoco G-4-127773 | Enron Oil & Gas Company only | Umbrella, North (Lobo Cons.) | Webb | 1 | 706 | 67.9K | Jan 1993 – May 1998 |
| Killam & Hurd Fee 2023 G-4-212228 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 693 | 551K | Jul 2005 – Apr 2026 |
| Killam, O. W. 1807 G-4-265602 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 519 | 41.8K | Oct 2011 – Mar 2017 |
| Killam and Hurd Fee 1501 G-4-291803 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 377 | 17K | Dec 2021 – Apr 2022 |
| Killam & Hurd Amoco Fee G-4-129710 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 314 | 481K | Jan 1993 – Apr 2026 |
| Killam & Hurd Fee 1504 G-4-293716 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 166 | 217K | Sep 2022 – Apr 2026 |
| Killam and Hurd Fee 1173 G-4-204436 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 116 | 202K | Sep 2004 – Oct 2009 |
| Killam and Hurd Fee 2005 G-4-257355 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 78 | 196K | Aug 2010 – Jan 2013 |