| Smith-Pedigo GU #142-297-36288 | Marwell Petroleum Ltd Partnrship | Live OakKendall (Wilcox 8800) | ActiveGas | 9,715 | Aug 15, 2022 | 2 | May 2026 |
| Pedigo Etal GU #142-297-36180 | Marwell Petroleum Ltd Partnrship | Live OakHarris (Wilcox-Massive) | ActiveGas | 9,600 | Nov 23, 2021 | 1 | Jul 2026 |
| Pawlik #142-297-36104 | Marwell Petroleum Ltd Partnrship | Live OakKendall (9250 Wilcox) | ActiveGas | 10,000 | Oct 29, 2020 | 2 | Oct 2024 |
| McClelland #2942-297-34406 | Marwell Petroleum Ltd Partnrship | Live OakOakville (Slick -A-) | PluggedGas | 10,150 | May 14, 2018 | 3 | Jun 2018 |
| McClelland #2242-297-33353 | Marwell Petroleum Ltd Partnrship | Live OakOakville (Wilcox 7700) | ActiveGas | 10,013 | Aug 15, 2017 | 4 | Aug 2026 |
| Reilly Gas Unit #542-427-31848 | Marwell Petroleum Ltd Partnrship | StarrReilly (Vicksburg) | PluggedGas | 5,100 | Mar 9, 2017 | 2 | Jan 2017 |
| Rush D.M. #142-175-34107 | Marwell Petroleum Ltd Partnrship | GoliadBullock S Church S. (10 000) | ActiveGas | 14,500 | Nov 4, 2010 | 2 | Aug 2026 |
| Wilson #142-481-34717 | Marwell Petroleum Ltd Partnrship | WhartonNew Taiton (Frio 3780) | PluggedGas | 5,500 | Oct 29, 2010 | 2 | Oct 2011 |
| Forgason #142-481-34922 | Marwell Petroleum Ltd Partnrship | WhartonGlen Flora (Frio 5000) | PluggedGas | 6,100 | Aug 10, 2007 | 1 | Sep 2011 |
| Martinez #242-427-33954 | Marwell Petroleum Ltd Partnrship | StarrHarry J. Mosser (5500) | ActiveGas | 6,550 | Apr 24, 2007 | 2 | Aug 2026 |
| Yackel #1 T42-481-34874 | Marwell Petroleum Ltd Partnrship | WhartonJones Creek (4900) | PluggedGas | 4,900 | Nov 27, 2006 | 1 | Jul 2012 |
| Dominguez Maximo #942-215-33492 | Marwell Petroleum Ltd Partnrship | HidalgoLos Torritos N. | ActiveGas | 11,000 | Jun 7, 2006 | 1 | Aug 2026 |
| Dominguez Maximo #842-215-33262 | Marwell Petroleum Ltd Partnrship | HidalgoLos Torritos N. (Marks) | Temporarily abandonedGas | 10,500 | Oct 1, 2004 | 1 | Oct 2009 |
| Jacobs Matilda #1B42-175-00671 | Marwell Petroleum Ltd Partnrship | GoliadMission Valley W(cook Mountain) | PluggedOil | 5,775 | Sep 17, 2003 | 1 | May 2011 |
| State of Texas-Slick #4 #142-427-33177 | Marwell Petroleum Ltd Partnrship | StarrAmore (Gayle Vksbg. 5510) | PluggedGas | 6,500 | May 12, 2003 | 3 | Sep 2016 |
| Pedraza et al GU #142-215-33015 | Marwell Petroleum Ltd Partnrship | HidalgoEdinburg E. (10500) | Temporarily abandonedGas | 12,500 | Aug 22, 2002 | 1 | Jun 2025 |
| Pedernales Unit #342-175-33445 | Marwell Petroleum Ltd Partnrship | GoliadCottonwood Creek E. (Middle Wx.) | ActiveGas | 10,700 | Jul 26, 2002 | 1 | Aug 2026 |
| Pedernales #142-123-31921 | Marwell Petroleum Ltd Partnrship | De WittCottonwood Creek E. (Middle Wx.) | ActiveGas | 10,833 | Feb 14, 2002 | 2 | Aug 2026 |
| Burns #142-039-32764 | Marwell Petroleum Ltd Partnrship | BrazoriaOliver South (10300) | PluggedGas | 11,800 | Jan 16, 2002 | 2 | Sep 2022 |
| Guerra #142-131-38528 | Marwell Petroleum Ltd Partnrship | DuvalGuerra (12 200) | PluggedGas | 15,000 | Sep 21, 2001 | 3 | Apr 2010 |
| Garza Lauro #a 242-505-34240 | Marwell Petroleum Ltd Partnrship | ZapataHaynes (Middle Wilcox Cons.) | PluggedGas | 13,000 | Nov 6, 2000 | 2 | Jun 2013 |
| McClelland #3042-297-34407 | Marwell Petroleum Ltd Partnrship | Live OakOakville (Wilcox Cons.) | Temporarily abandonedGas | 10,382 | Oct 18, 2000 | 4 | Oct 2012 |
| McClelland #2842-297-34385 | Marwell Petroleum Ltd Partnrship | Live OakOakville (Wilcox Cons.) | Temporarily abandonedGas | 10,230 | Feb 2, 2000 | 2 | Nov 2009 |
| McClelland #2742-297-34384 | Marwell Petroleum Ltd Partnrship | Live OakOakville (Wilcox Cons.) | ActiveGas | 10,105 | Jan 31, 2000 | 2 | Aug 2026 |
| Delta D. Z. #142-089-32175 | Marwell Petroleum Ltd Partnrship | ColoradoRock Island South (2550) | ActiveGas | 2,542 | Oct 11, 1999 | 2 | Aug 2026 |
| JMK #1 #142-427-33151 | Marwell Petroleum Ltd Partnrship | StarrAmore (Vicksburg 5950) | PluggedGas | 5,800 | Jan 27, 1999 | 1 | Mar 2011 |
| Sugarek #242-025-32841 | Marwell Petroleum Ltd Partnrship | BeeYougeen (Frio 3610) | PluggedGas | 4,300 | Sep 25, 1998 | 3 | Aug 2013 |
| Mayers Berta #142-479-36861 | Marwell Petroleum Ltd Partnrship | WebbRottersman (9020) | ActiveGas | 9,550 | Jan 22, 1998 | 1 | Aug 2026 |
| Holt B. D. #242-175-32962 | Marwell Petroleum Ltd Partnrship | GoliadHordes Creek (3100) | PluggedGas | 3,500 | Jan 23, 1997 | 1 | Mar 2002 |
| Vaughn #142-123-31790 | Marwell Petroleum Ltd Partnrship | De WittJennie Bell (Yegua B) | PluggedGas | 5,600 | Jan 9, 1997 | 1 | Oct 2011 |
| Gutierrez #142-427-32915 | Marwell Petroleum Ltd Partnrship | StarrDraco (6200 Queen City ) | PluggedGas | 7,600 | Aug 22, 1996 | 2 | Nov 2014 |
| Al-Martinez State #1 #142-427-32911 | Marwell Petroleum Ltd Partnrship | StarrLa Copita (Vicksburg Cons.) | PluggedGas | 8,225 | Aug 13, 1996 | 3 | Mar 2011 |
| McClelland #2642-297-34190 | Marwell Petroleum Ltd Partnrship | Live OakOakville (Wilcox Cons.) | PluggedGas | 10,300 | Apr 18, 1996 | 1 | Mar 2021 |
| McClelland #1642-297-32584 | Marwell Petroleum Ltd Partnrship | Live OakOakville (Wilcox Cons.) | Temporarily abandonedGas | 11,245 | Feb 15, 1996 | 2 | Sep 2009 |
| Dominguez Maximo Unit #442-215-32171 | Marwell Petroleum Ltd Partnrship | HidalgoLos Torritos N. | PluggedGas | 11,500 | Sep 22, 1994 | 3 | Aug 2011 |
| Red Mud #142-263-31488 | Marwell Petroleum Ltd Partnrship | KentS-M-S (Canyon Reef) | ActiveOil | 6,675 | Jan 25, 1993 | 1 | Aug 2026 |
| Villarreal-Gutierrez GU #242-505-32967 | Marwell Petroleum Ltd Partnrship | ZapataUrebeno South (Wilcox 7000) | ActiveGas | 9,700 | Nov 19, 1992 | 1 | Aug 2026 |
| Gutierrez J.M. B #2 F42-505-03058 | Marwell Petroleum Ltd Partnrship | ZapataCinco de Mayo (2500) | PluggedGas | 3,486 | Oct 26, 1992 | 2 | Jun 2013 |
| El Gato a #842-479-35622 | Marwell Petroleum Ltd Partnrship | WebbBelle Jeffers East (Lobo) | PluggedGas | 9,500 | Oct 5, 1992 | 1 | Jan 2006 |
| McClelland #2442-297-33436 | Marwell Petroleum Ltd Partnrship | Live OakOakville (Wilcox Cons.) | ActiveGas | 10,050 | Oct 1, 1992 | 2 | Aug 2026 |
| El Gato a #742-479-35580 | Marwell Petroleum Ltd Partnrship | WebbBelle Jeffers East (Lobo) | PluggedGas | 9,500 | Sep 1, 1992 | 1 | Aug 2008 |
| El Gato a #642-479-35494 | Marwell Petroleum Ltd Partnrship | WebbBelle Jeffers East (Lobo) | PluggedGas | 9,000 | Jun 15, 1992 | 2 | Aug 2008 |
| El Gato a #442-479-35403 | Marwell Petroleum Ltd Partnrship | WebbBelle Jeffers East (Lobo) | PluggedGas | 9,500 | Feb 5, 1992 | 2 | Jan 2004 |
| El Gato a #342-479-35346 | Marwell Petroleum Ltd Partnrship | WebbBelle Pepper (Lobo 6) | PluggedGas | 9,000 | Nov 20, 1991 | 1 | Jun 2006 |
| El Gato a #142-479-35330 | Marwell Petroleum Ltd Partnrship | WebbBelle Pepper (Lobo 6) | PluggedGas | 8,500 | Oct 29, 1991 | 1 | Jun 2006 |
| El Gato a #242-479-35316 | Marwell Petroleum Ltd Partnrship | WebbBelle Pepper (Lobo 6) | PluggedGas | 8,500 | Oct 8, 1991 | 1 | Jun 2007 |
| Thomson Laura B. B #242-025-01537 | Marwell Petroleum Ltd Partnrship | BeeHeard Ranch (3900) | PluggedGas | 5,200 | Apr 15, 1991 | 1 | Jun 2003 |
| Thomson Laura D. B #342-025-01538 | Marwell Petroleum Ltd Partnrship | BeeHeard Ranch (4400) | PluggedGas | 5,200 | Aug 29, 1990 | 3 | May 2013 |
| Rasmussen et al #442-481-33279 | Marwell Petroleum Ltd Partnrship | WhartonBruce Roy (Yegua) | PluggedGas | 8,500 | Jul 24, 1989 | 1 | Jun 2016 |
| De Los Santos Gas Unit 1 #442-505-32505 | Marwell Petroleum Ltd Partnrship | ZapataHaynes (Middle Wilcox Cons.) | PluggedGas | 12,000 | Dec 2, 1988 | 1 | Sep 2004 |