| Arco Fee O-3-24343 | New Century Exploration, Inc. | Pebble Island, W. (Wilcox A-3) | Tyler | 1 | 192K | 31K | Mar 2003 – Mar 2026 |
| Bullpen O-3-27467 | New Century Exploration, Inc. | Lick Branch, W. (Kirby Sd.) | San Jacinto | 1 | 130K | 62K | Aug 2013 – Mar 2026 |
| Syphrett Heirs G-3-164298 | New Century Exploration, Inc. | Anahuac, E. (F-16) | Chambers | 1 | 64.8K | 6.94M | Jul 1997 – Dec 2004 |
| Duke G-6-286978 | New Century Exploration, Inc. | Woodlawn (Cotton Valley) | Harrison | 1 | 35K | 3.67M | Apr 2019 – Mar 2026 |
| KMF O-4-14237 | New Century Exploration, Inc. | Prado (Combined Zones) | Jim Hogg | 1 | 29.8K | 0 | Mar 2024 – Mar 2026 |
| Nesbitt O-6-13142 | New Century Exploration, Inc. | Woodlawn (Pettit 6500) | Harrison | 1 | 25.9K | 84 | Mar 1993 – Nov 2008 |
| Nesbitt, Arch O-6-15259 | New Century Exploration, Inc. | Woodlawn (Pettit-Page) | Harrison | 1 | 25.3K | 0 | Aug 2011 – Mar 2021 |
| State of Texas G-3-213525 | New Century Exploration, Inc. | Sword (Yegua -A-) | Harris | 1 | 21.1K | 1.72M | Oct 2005 – Dec 2011 |
| Duke G-6-294039 | New Century Exploration, Inc. | Woodlawn (Cotton Valley) | Harrison | 1 | 19.6K | 1.71M | Nov 2022 – Mar 2026 |
| Conoco-Drought G-3-242499 | New Century Exploration, Inc. | Anahuac (Frio 16) | Chambers | 1 | 18.2K | 675K | Jul 2008 – Jan 2016 |
| Arch Nesbitt O-6-15759 | New Century Exploration, Inc. | Whelan (Pettit) | Harrison | 2 | 16.8K | 68.2K | Apr 2020 – Mar 2026 |
| Bofysil O-3-25514 | New Century Exploration, Inc. | Franks (Banfield) | Galveston | 1 | 16.5K | 182K | Mar 2010 – Feb 2015 |
| Little-Arco O-3-24716 | New Century Exploration, Inc. | Pebble Island (Wilcox 9380) | Tyler | 1 | 14.5K | 24.9K | May 2003 – Dec 2014 |
| Angello O-3-25762 | New Century Exploration, Inc. | Giddings (Austin Chalk-3) | Brazos | 1 | 12.8K | 67.8K | Mar 2011 – Sep 2015 |
| Tharp O-3-24404 | New Century Exploration, Inc. | Rankin (DY 8050 Sand) | Harris | 1 | 12.1K | 125K | Aug 2003 – Jan 2004 |
| Bullpen G-3-265187 | New Century Exploration, Inc. | Mercy, SE. (9400) | San Jacinto | 1 | 9.57K | 160K | Nov 2011 – Jul 2013 |
| Mahalitc G-3-251267 | New Century Exploration, Inc. | Matthew (Yegua 6300) | Colorado | 1 | 8.6K | 634K | May 2009 – Nov 2015 |
| Sunderman G-3-227029 | New Century Exploration, Inc. | Lissie, W. (Wilcox Upper) | Colorado | 1 | 6.21K | 576K | Nov 2006 – Apr 2015 |
| Bofysil Unit O-3-26881 | New Century Exploration, Inc. | Franks (Weiting, Lower) | Galveston | 1 | 5.63K | 0 | Feb 2014 – Sep 2018 |
| Krebs G-3-206755 | New Century Exploration, Inc. | Sword (Yegua -A-) | Harris | 1 | 2.99K | 10.4K | Feb 2005 – Jul 2009 |
| Tittle, Bessie Gas Unit G-6-82808 | New Century Exploration, Inc. | Woodlawn (Cotton Valley) | Harrison | 1 | 2.32K | 267K | Jan 1993 – Oct 2018 |
| Krebs O-3-24658 | New Century Exploration, Inc. | Sword (Yegua -A-) | Harris | 1 | 2.04K | 2.52K | Jun 2004 – Jan 2005 |
| Bofysil O-3-24384 | New Century Exploration, Inc. | Franks, NW. (8900) | Galveston | 1 | 1.39K | 51 | Feb 2003 – Oct 2003 |
| Kuenstler G-2-221491 | New Century Exploration, Inc. | Sweet Home (Yegua 3868) | Lavaca | 1 | 1.16K | 58.4K | Jun 2006 – Jun 2008 |
| Williams G-2-216497 | New Century Exploration, Inc. | Terryville (4800) | De Witt | 1 | 882 | 190K | Oct 2005 – Mar 2009 |
| Wilson G-3-218444 | New Century Exploration, Inc. | New Taiton (Yegua 6800) | Wharton | 1 | 758 | 105K | Jan 2006 – Apr 2009 |
| Kimes & Buegeler G-2-222953 | New Century Exploration, Inc. | Supple Jack Creek (Yegua) | Lavaca | 1 | 567 | 179K | Aug 2005 – Nov 2007 |
| Low Burgher G-3-202083 | New Century Exploration, Inc. | Brookshire | Waller | 1 | 312 | 28.9K | Apr 2004 – Jul 2005 |
| Matthews G-3-210244 | New Century Exploration, Inc. | Lissie, W. (Frio 4200) | Colorado | 1 | 279 | 137K | Jan 2005 – May 2009 |
| Hermes G-2-222459 | New Century Exploration, Inc. | Sweet Home (Yegua 3868) | Lavaca | 1 | 220 | 39.8K | Jul 2006 – Jun 2007 |
| Brandes G-2-223652 | New Century Exploration, Inc. | Sweet Home (Yegua 3868) | Lavaca | 1 | 189 | 28.2K | Jul 2006 – Jun 2007 |
| Low-Burgher O-3-24879 | New Century Exploration, Inc. | Brookshire | Waller | 1 | 178 | 786 | Jan 2006 – Jul 2006 |
| Kuykendall, et Al. O-3-26514 | New Century Exploration, Inc. | Brookshire | Waller | 1 | 161 | 0 | Sep 2013 – Jan 2014 |
| Konvicka G-2-265970 | New Century Exploration, Inc. | Sweet Home (Yegua 3868) | Lavaca | 1 | 157 | 28.7K | Aug 2010 – Apr 2012 |
| La Rue G-2-225501 | New Century Exploration, Inc. | Hallettsville, S. (Yegua 3650) | Lavaca | 1 | 145 | 20.3K | Aug 2006 – Feb 2008 |
| Leininger G-2-223653 | New Century Exploration, Inc. | Sweet Home (Yegua 3868) | Lavaca | 1 | 96 | 56K | Jul 2006 – May 2009 |
| Orsak G-2-229144 | New Century Exploration, Inc. | Sweet Home (Yegua 3868) | Lavaca | 1 | 56 | 61.7K | Oct 2006 – Apr 2008 |
| Schmidt G-3-229726 | New Century Exploration, Inc. | Jones Creek (3400) | Wharton | 1 | 50 | 111K | Apr 2007 – May 2009 |
| Landry G-2-229146 | New Century Exploration, Inc. | Sweet Home (Yegua 3868) | Lavaca | 1 | 46 | 48.7K | Dec 2006 – Aug 2007 |
| Reynolds G-3-208179 | New Century Exploration, Inc. | Carl Reynolds (2460) | Wharton | 1 | 37 | 114K | Dec 2004 – Jan 2010 |
| Kallus G-2-288294 | New Century Exploration, Inc. | Cordele, W. (Joanne) | Jackson | 1 | 36 | 366K | Apr 2020 – Dec 2023 |
| Bessie Tittle O-6-15655 | New Century Exploration, Inc. | Woodlawn (Pettit-Page) | Harrison | 1 | 35 | 0 | Dec 2018 – Dec 2018 |
| Pritchard G-2-229102 | New Century Exploration, Inc. | Sweet Home (Yegua 3868) | Lavaca | 1 | 34 | 144K | Nov 2006 – Jun 2009 |
| Schoellmann G-3-243212 | New Century Exploration, Inc. | Lydia (4100) | Colorado | 1 | 22 | 167K | Dec 2006 – Aug 2009 |
| Wilson G-3-211423 | New Century Exploration, Inc. | New Taiton, E. (Frio) | Wharton | 1 | 16 | 53.9K | Aug 2005 – Nov 2008 |
| Sparks G-2-229098 | New Century Exploration, Inc. | Sweet Home (Yegua 3868) | Lavaca | 1 | 16 | 41.5K | Oct 2006 – Sep 2007 |
| Matthews G-3-237316 | New Century Exploration, Inc. | Wylie (Frio 3925) | Colorado | 1 | 11 | 14.2K | Jan 2008 – Jun 2009 |
| Chisholm-Trouille G-6-248726 | New Century Exploration, Inc. | Stockman (Cotton Valley) | Shelby | 1 | 2 | 856K | Jun 2009 – Jul 2019 |
| Johnson Foundation O-2-12212 | New Century Exploration, Inc. | Cordele, SE. (2700 Sand) | Jackson | 1 | 0 | 0 | — |
| Narda O-3-24302 | New Century Exploration, Inc. | Moss Bluff | Chambers | 1 | 0 | 0 | — |