| Kate B G-9-177350 | Summit Petroleum LLC only | Amacker-Tippett (Wolfcamp) | Upton | 1 | 3.31K | 139K | Nov 1999 – May 2013 |
| Cody O-9-7487 | Endeavor Energy Resources L.P. only | Amacker-Tippett (Strawn) | Upton | 1 | 3.1K | 48.6K | by Jan 1993 – Apr 1999 |
| Halff Estate O-9-19327 | Sledge, H. G., Inc. only | Amacker-Tippett, SW (Wolfcamp) | Upton | 1 | 2.92K | 11.8K | Aug 2008 – Jan 2016 |
| Amacker, V. T. 64 G-9-206697 | Hunt Oil Company only | Amacker-Tippett (Cisco) | Upton | 1 | 2.78K | 55.8K | Jul 2004 – Dec 2007 |
| Amacker, V.T. 105 O-9-15623 | Civitas Permian Operating, LLC only | Amacker-Tippett (Fusselman) | Upton | 1 | 2.74K | 52K | Oct 2004 – Jun 2005 |
| Lane "A" O-9-8252 | Broken Horse, LLC only | Amacker-Tippett,s(detrital 9270) | Upton | 1 | 2.67K | 15.9K | by Jan 1993 – Aug 2026 |
| Amacker, V. T. 64 G-9-165494 | Hunt Oil Company only | Amacker-Tippett, W (Strawn-Detr) | Upton | 1 | 2.58K | 147K | Oct 1997 – Jul 2002 |
| Halff Estate "20" O-9-7082 | EOG Resources, Inc. only | Amacker-Tippett (Devonian) | Upton | 2 | 2.52K | 53.9K | by Jan 1993 – Aug 2001 |
| Barnet, Rosa H. "E" O-9-12725 | Ocean Energy, Inc. only | Amacker-Tippett (Leonard, Lower) | Upton | 1 | 2.52K | 7.56K | by Jan 1993 – Mar 1996 |
| Kate B G-9-185924 | Summit Petroleum LLC only | Amacker-Tippett, SW (Wolfcamp) | Upton | 1 | 2.52K | 833K | Sep 2001 – Jul 2016 |
| Amacker, V. T. 64 G-9-200894 | Civitas Permian Operating, LLC only | Amacker-Tippett, W (Strawn-Detr) | Upton | 1 | 2.39K | 62.7K | Apr 2004 – Mar 2005 |
| Zinn G-9-183503 | CMS Oil and Gas Company only | Amacker-Tippett, E. (Devonian) | Upton | 1 | 2.21K | 232 | Mar 2001 – Aug 2001 |
| Lane, J. S. O-9-15793 | Southwest Royalties, Inc. only | Amacker-Tippett (Devonian) | Upton | 1 | 2.18K | 17K | Oct 2005 – Apr 2008 |
| McElroy O-9-19009 | Endeavor Energy Resources L.P. only | Amacker-Tippett (Devonian) | Upton | 1 | 2.12K | 6.2K | Oct 2014 – Dec 2015 |
| Windham Mobil 145 O-9-14343 | Thompson, J. Cleo only | Amacker-Tippett, SW (Wolfcamp) | Upton | 1 | 2.06K | 2.96K | Feb 1996 – Oct 1996 |
| Amacker, V.T. 64 G-9-187926 | Civitas Permian Operating, LLC only | Corvette (Wolfcamp) | Upton | 1 | 1.99K | 1.28M | Feb 2002 – Apr 2015 |
| Witte-Amacker O-1-13339 | Seguro Well Service, Inc. only | La Vernia (Austin Chalk) | Wilson | 1 | 1.98K | 20 | by Jan 1993 – Sep 1995 |
| Owens "6" G-9-143394 | Arco Permian only | Amacker-Tippett, Se(bend 10600) | Upton | 1 | 1.97K | 31.8K | by Jan 1993 – Mar 1994 |
| Soppe O-9-13455 | Saxum Opco, LLC only | Amacker-Tippett,se.(strawn) | Upton | 2 | 1.9K | 1.38K | by Jan 1993 – Jan 2015 |
| Carolyn G-9-264358 | Summit Petroleum LLC only | Amacker-Tippett, SW (Wolfcamp) | Upton | 1 | 1.79K | 7.54K | Jan 2012 – Dec 2014 |
| Amacker, V. T. G-9-211953 | Hunt Oil Company only | Corvette (Wolfcamp) | Upton | 1 | 1.54K | 253K | Sep 2005 – Dec 2007 |
| Barnett-Amacker 75 O-9-10000 | Hunt Oil Company only | Amacker-Tippett, SW (Wolfcamp) | Upton | 2 | 1.23K | 9.86K | by Jan 1993 – Mar 1995 |
| Amacker, V.T. 61 G-9-260207 | Civitas Permian Operating, LLC only | Amacker-Tippett (Devonian) | Upton | 1 | 1.23K | 52.7K | Dec 2010 – Aug 2026 |
| Amacker, V. T. -G- O-9-4327 | Hunt Oil Company only | Amacker-Tippett (Strawn) | Upton | 1 | 1.22K | 21.5K | by Jan 1993 – Apr 1997 |
| Amacker, V. T. 64 O-9-15293 | Hunt Oil Company only | Amacker-Tippett (Cisco) | Upton | 1 | 1.17K | 30.6K | Aug 2002 – Nov 2004 |
| McElroy Ranch Co. "M" G-9-165684 | XTO Energy Inc. only | Amacker-Tippett, SW (Wolfcamp) | Upton | 1 | 1.07K | 213K | Nov 1997 – Aug 2008 |
| Laura D G-9-206558 | Summit Petroleum LLC only | Amacker-Tippett, SW (Wolfcamp) | Upton | 1 | 981 | 448K | Jul 2004 – Apr 2013 |
| Kathy G-9-210680 | Summit Petroleum LLC only | Amacker-Tippett, SW (Wolfcamp) | Upton | 1 | 933 | 101K | May 2005 – Mar 2012 |
| Amacker, V. T., 62 O-9-5561 | Civitas Permian Operating, LLC only | Amacker-Tippett, N. (Wolfcamp) | Upton | 1 | 848 | 32K | by Jan 1993 – Dec 2002 |
| Ross G-9-187716 | Endeavor Energy Resources L.P. only | Amacker-Tippett, E. (Devonian) | Upton | 1 | 821 | 58K | Jan 2002 – Nov 2009 |
| Halff Estate #2 O-9-12548 | EOG Resources, Inc. only | Amacker-Tippett (Strawn) | Upton | 1 | 640 | 23.9K | by Jan 1993 – May 2001 |
| Amacker "B" O-9-14915 | WTG Exploration only | Tippett, W. (Wolfcamp 5050) | Crockett | 1 | 637 | 562 | Sep 1999 – Jan 2000 |
| Amacker-Cowden 22 Unit 1 O-9-8545 | Shell Western E&P Inc. only | Tippett (Leonard, Lower) | Pecos | 1 | 622 | 18.9K | by Jan 1993 – May 1994 |
| Amacker Cowden 26 Unit 1 O-9-5747 | Altura Energy Ltd. only | Tippett (Leonard, Lower) | Crockett | 2 | 421 | 6.06K | by Jan 1993 – Mar 1997 |
| Barnett "21" G-9-250744 | Summit Petroleum LLC only | Amacker-Tippett, SW (Wolfcamp) | Upton | 1 | 359 | 125K | Apr 2009 – Sep 2016 |
| Windham O-9-14368 | Amerind Oil Company, Ltd. only | Amacker-Tippett, S. (Wolfcamp) | Upton | 1 | 339 | 300 | Mar 1996 – Mar 1996 |
| Kelli G-9-205210 | Summit Petroleum LLC only | Amacker-Tippett, SW (Wolfcamp) | Upton | 1 | 304 | 43.1K | Apr 2004 – Mar 2012 |
| Halff Estate "58" G-9-214830 | EOG Resources, Inc. only | Amacker-Tippett, SW (Wolfcamp) | Upton | 1 | 276 | 55.3K | Mar 2006 – Jan 2012 |
| Halff 84 O-9-14500 | Thompson, J. Cleo only | Amacker-Tippett, W. (Bend) | Upton | 1 | 243 | 245 | Dec 1996 – Dec 1996 |
| Lane -A- O-9-6966 | Endeavor Energy Resources L.P. only | Amacker-Tippett (Wolfcamp) | Upton | 1 | 221 | 587 | by Jan 1993 – Dec 1995 |
| Amacker "A" O-9-7332 | Enron Oil & Gas Company only | Amacker-Tippett, S (Devonian) | Upton | 1 | 218 | 3.03K | by Jan 1993 – Jun 1993 |
| Amacker-Halff 81 G-9-183357 | Hunt Oil Company only | Amacker-Tippett, SW (Wolfcamp) | Upton | 1 | 208 | 1.64K | Jul 2001 – Feb 2002 |
| Barnett, Rosa, H. -F- G-9-286905 | R2Q Operating LLC only | Amacker-Tippett (Strawn) | Upton | 1 | 187 | 206 | Feb 2018 – Feb 2018 |
| Holly G-9-157007 | Sledge, H. G., Inc. only | Amacker-Tippett, SW (Wolfcamp) | Upton | 1 | 180 | 29.8K | Jan 1996 – Oct 1997 |
| McGill "71" Unit G-9-189604 | EOG Resources, Inc. only | Amacker-Tippett, SW (Wolfcamp) | Upton | 1 | 164 | 9.78K | Jun 2002 – Apr 2003 |
| Amacker Trust 37 G-9-44788 | Altura Energy Ltd. only | Tippett, W. (Wolfcamp 5050) | Crockett | 1 | 157 | 34.9K | by Jan 1993 – Aug 1998 |
| Dawn B G-9-227115 | Summit Petroleum LLC only | Amacker-Tippett, SW (Wolfcamp) | Upton | 1 | 147 | 77.8K | Mar 2007 – Sep 2018 |
| Amacker, V. T. -106- G-9-18645 | Hunt Oil Company only | Amacker-Tippett (Devonian) | Upton | 1 | 122 | 3.42K | Jun 1995 – Jun 1995 |
| Amacker "A" O-9-13466 | Matador Operating Company only | Amacker-Tippett, S. (Bend, Up.) | Upton | 1 | 112 | 1 | Jun 1993 – Jun 1993 |
| Lane "A" O-9-13880 | Endeavor Energy Resources L.P. only | Amacker-Tippett (San Andres) | Upton | 1 | 94 | 80 | Oct 1995 – May 1996 |