| 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 |
| Killam & Hurd Fee "1690" G-4-162636 | Killam Oil Co., Ltd. only | B.M.T. (Lobo Cons.) | Webb | 1 | 28.8K | 2.26M | Mar 1997 – Aug 2026 |
| Killam & Hurd Fee 1614 G-4-243701 | Killam Oil Co., Ltd. only | B.M.T. (Lobo Cons.) | Webb | 1 | 26.6K | 866K | Oct 2008 – Aug 2026 |
| Killam & Hurd Fee "1614" G-4-168195 | Killam Oil Co., Ltd. only | B.M.T. (Lobo Cons.) | Webb | 1 | 25K | 1.88M | Mar 1998 – Aug 2026 |
| Killam & Hurd Fee "1689" G-4-166263 | Killam Oil Co., Ltd. only | B.M.T. (Lobo Cons.) | Webb | 1 | 21.9K | 1.77M | Oct 1997 – Jul 2008 |
| Killam & Hurd Ltd. Fee O-4-11475 | L.T.D. Explorations Inc. only | Zimet (Yegua -G-) | Webb | 2 | 21K | 144 | by Jan 1993 – Sep 2005 |
| Killam & Hurd Ltd. Fee O-4-8487 | L.T.D. Explorations Inc. only | Zimet (Yegua -F-) | Webb | 1 | 20.9K | 144 | by Jan 1993 – Sep 2005 |
| 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 |
| Killam & Hurd "1690" G-4-164125 | Killam Oil Co., Ltd. only | B.M.T. (Lobo Cons.) | Webb | 1 | 17.6K | 823K | Jun 1997 – Aug 2006 |
| Killam & Hurd Fee 1614 G-4-199698 | Killam Oil Co., Ltd. only | B.M.T. (Lobo Cons.) | Webb | 1 | 16.5K | 1.06M | May 2003 – Aug 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 |
| Killam & Hurd Fee 1690 G-4-236643 | Killam Oil Co., Ltd. only | B.M.T. (Lobo Cons.) | Webb | 1 | 14K | 1.17M | Mar 2008 – Aug 2026 |
| Killam & Hurd Fee 1614 G-4-242314 | Killam Oil Co., Ltd. only | B.M.T. (Lobo Cons.) | Webb | 1 | 12.7K | 472K | Jun 2008 – Nov 2023 |
| Killam & Hurd "1612" G-4-164366 | Killam Oil Co., Ltd. only | B.M.T. (Lobo Cons.) | Webb | 1 | 11.4K | 2.82M | Jul 1997 – Aug 2026 |
| Killam & Hurd Fee 1195 G-4-262740 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 11.1K | 2.23M | Aug 2011 – Aug 2026 |
| Killam & Hurd Fee 1689 G-4-212226 | Killam Oil Co., Ltd. only | B.M.T. (Lobo Cons.) | Webb | 1 | 8.72K | 701K | Jun 2005 – Aug 2026 |
| Killam & Hurd-Amoco State G-4-115775 | EOG Resources, Inc. only | Lake Casa Blanca (Clark) | Webb | 1 | 8.08K | 1.75M | by Jan 1993 – Nov 2000 |
| Killam & Hurd Fee Porcion 16 G-4-224953 | Killam Oil Co., Ltd. only | Vallecillo (Middle Wilcox) | Webb | 1 | 5.81K | 567K | Aug 2006 – Mar 2009 |
| Killam & Hurd Fee '1181' G-4-282122 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 5.21K | 521K | Dec 2016 – Aug 2026 |
| Killam & Hurd Fee '1181' G-4-291027 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 4.45K | 467K | Jun 2021 – Aug 2026 |
| 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 1504 G-4-212229 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 3.56K | 599K | Jun 2005 – Mar 2025 |
| Killam & Hurd Fee "D" 1248 G-4-213648 | Killam Oil Co., Ltd. only | Villegas (Middle Wilcox 7950) | Webb | 1 | 2.23K | 731K | Aug 2005 – Aug 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 – Aug 2026 |
| Killam & Hurd Fee 1198 G-4-258351 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 1.51K | 308K | Nov 2010 – Aug 2026 |
| Killam & Hurd Fee "1620" G-4-147299 | Killam Oil Co., Ltd. only | B.M.T. (Lobo Cons.) | Webb | 1 | 1.19K | 523K | Oct 1993 – Dec 2003 |
| Killam & Hurd-Amoco G-4-105739 | Enron Oil & Gas Company only | Lake Casa Blanca (Hirsch,lower) | Webb | 1 | 1.02K | 27.9K | by Jan 1993 – Mar 1998 |
| Killam & Hurd Fee 2023 G-4-204435 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 682 | 457K | Jul 2004 – Aug 2026 |
| Killam & Hurd Fee 2023 G-4-212228 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 674 | 552K | Jul 2005 – Aug 2026 |
| Killam & Hurd Fee 1198 G-4-201946 | Killam Oil Co., Ltd. only | Umbrella, South (7450) | Webb | 1 | 619 | 1.2M | Mar 2004 – Jan 2022 |
| Killam & Hurd Fee Porcion 26 G-4-210530 | Killam Oil Co., Ltd. only | Casa Verde (Hirsch Lower) | Webb | 1 | 521 | 173K | Apr 2005 – Jul 2008 |
| Killam & Hurd Amoco Fee G-4-129710 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 314 | 485K | by Jan 1993 – Aug 2026 |
| Killam & Hurd Fee 1504 G-4-293716 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 166 | 218K | Sep 2022 – Aug 2026 |
| Killam & Hurd Fee Porcion 17 G-4-216130 | Killam Oil Co., Ltd. only | Sanchez Hill (Wilcox, Lo.) | Webb | 1 | 107 | 36.5K | Nov 2005 – Mar 2006 |
| Killam & Hurd, Ltd G-4-62679 | Black Marlin Pipeline Company only | Pescadito SE. (Wilcox Upper) | Webb | 1 | 95 | 0 | Jan 1996 – Jan 1996 |
| Killam & Hurd, Ltd. G-4-68419 | Killam Oil Co., Ltd. only | Umbrella, South (7450) | Webb | 1 | 59 | 293K | Oct 2005 – Jan 2016 |
| Killam & Hurd 1179 G-4-294087 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 25 | 81.9K | Jul 2022 – Aug 2026 |
| Killam & Hurd Gas Unit G-5-96666 | Valence Operating Company only | Burleson Hill, E. (Bossier) | Freestone | 1 | 7 | 1.05M | by Jan 1993 – Aug 2026 |
| Killam & Hurd Fee 1195 G-4-202738 | Killam Oil Co., Ltd. only | Wildcat | Webb | 1 | 0 | 0 | — |
| Killam & Hurd Fee 1503 G-4-213626 | Killam Oil Co., Ltd. only | Wildcat | Webb | 1 | 0 | 0 | — |
| Killam & Hurd Fee "Porcion 26" G-4-197223 | Killam Oil Co., Ltd. only | Wildcat | Webb | 1 | 0 | 0 | — |
| Killam & Hurd Fee "B" G.U., 1859 G-4-218650 | Killam Oil Co., Ltd. only | Wildcat | Webb | 1 | 0 | 0 | — |
| Killam & Hurd "1690" G-4-125125 | Killam Oil Co., Ltd. only | Villegas (Middle Wilcox 7950) | Webb | 1 | 0 | 0 | — |
| Killam & Hurd Amoco "Q" G-4-119829 | Killam Oil Co., Ltd. only | Casa Verde (Clark) | Webb | 1 | 0 | 0 | — |
| Killam & Hurd Fee Porcion 16 G-4-253313 | Killam Oil Co., Ltd. only | Del Mar (Lobo Cons.) | Webb | 1 | 0 | 14.3K | May 2009 – Apr 2010 |
| Killam & Hurd, Ltd. G-4-78407 | B & R Oil & Gas only | Sanchez Hill, S.W. (Wilcox LO) | Webb | 1 | 0 | 0 | — |
| Killam & Hurd Fee 2023 G-4-204069 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 0 | 376K | Jun 2004 – Feb 2009 |
| Killam & Hurd Fee Porcion 26 G-4-270036 | Killam Oil Co., Ltd. only | Umbrella, North (Lobo Cons.) | Webb | 1 | 0 | 578 | Jun 2012 – Jul 2012 |