| Stone Gas Unit G-4-43621 | Proline Energy Resources Inc | La Sal Vieja (Frio Cons) | Willacy | 1 | 186K | 5.29M | by Jan 1993 – Apr 2021 |
| La Blanca Gas Unit G-4-163818 | Proline Energy Resources Inc | La Blanca ( 9400) | Hidalgo | 1 | 121K | 7.63M | May 1997 – Mar 2010 |
| Knipe Gas Unit G-4-135931 | Proline Energy Resources Inc | Midway, East (10700) | San Patricio | 1 | 107K | 6.09M | by Jan 1993 – Aug 2024 |
| La Blanca Gas Unit G-4-11352 | Proline Energy Resources Inc | La Blanca ( 9400) | Hidalgo | 1 | 78.7K | 2.6M | by Jan 1993 – Aug 2026 |
| Clarence O'Berg Gas Unit G-4-143190 | Proline Energy Resources Inc | La Sal Vieja (Frio Cons) | Willacy | 1 | 56.5K | 1.62M | by Jan 1993 – Mar 2025 |
| Kampfhenkel Gas Unit G-4-186186 | Proline Energy Resources Inc | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 47.6K | 1.78M | Apr 2001 – Dec 2025 |
| Swanson-Meek Gas Unit G-3-161300 | Proline Energy Resources Inc | Phase Four (10540 Yegua) | Wharton | 1 | 45.1K | 2.9M | Jul 1996 – Jul 2025 |
| La Blanca Gas Unit G-4-167196 | Proline Energy Resources Inc | La Blanca (Frio 11300) | Hidalgo | 1 | 39.5K | 2.43M | Feb 1998 – Apr 2002 |
| Berryman et al, Gas Unit G-4-182611 | Proline Energy Resources Inc | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 26.7K | 744K | Feb 2001 – Jul 2026 |
| Brushy Creek Gas Unit G-2-188920 | Proline Energy Resources Inc | Brushy Creek (Wilcox -S-1-11200) | Lavaca | 1 | 23.3K | 1.52M | Feb 2002 – Nov 2022 |
| Berryman et al Gas Unit G-4-182213 | Proline Energy Resources Inc | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 20.9K | 1.95M | Feb 2001 – Jun 2026 |
| Meider Gas Unit G-2-115245 | Proline Energy Resources Inc | Coquat (Meider a, Deep) | Live Oak | 1 | 18.8K | 1.02M | Nov 2004 – Apr 2014 |
| La Sal Vieja Gas Unit G-4-173711 | Proline Energy Resources Inc | La Sal Vieja (Frio Cons) | Willacy | 1 | 18.7K | 2.24M | Jul 1999 – Nov 2014 |
| Scott Foundation 59 #5 Gas Unit G-1-144058 | Proline Energy Resources Inc | Bonne Terre (10400) | McMullen | 1 | 18.7K | 1.24M | by Jan 1993 – Aug 2025 |
| Martin 60 Gas Unit G-1-129746 | Proline Energy Resources Inc | Bonne Terre (10770) | McMullen | 1 | 17K | 2.01M | by Jan 1993 – Mar 2005 |
| Swanson-Meek Gas Unit G-3-162741 | Proline Energy Resources Inc | Phase Four (9220 Yegua) | Wharton | 1 | 15K | 858K | Apr 1997 – Jul 1999 |
| Berryman et al Gas Unit G-4-184045 | Proline Energy Resources Inc | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 14.8K | 430K | Apr 2001 – Jul 2026 |
| Gouger Gas Unit No. 4 O/A G-1-40834 | Proline Energy Resources Inc | Roos (Wilcox 7500) | McMullen | 1 | 12.3K | 1.37M | Feb 1994 – Aug 2025 |
| Berryman et al, Gas Unit G-4-184528 | Proline Energy Resources Inc | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 12K | 1.32M | Aug 2001 – Mar 2017 |
| Ashby Gas Unit G-6-221766 | Proline Energy Resources Inc | Beckville (Travis Peak) | Rusk | 1 | 11.8K | 742K | Apr 2006 – Jan 2008 |
| La Blanca Gas Unit G-4-11350 | Proline Energy Resources Inc | La Blanca ( 9400) | Hidalgo | 1 | 11.2K | 1.18M | by Jan 1993 – Sep 2022 |
| Scott Foundation 59 Gas Unit G-1-146074 | Proline Energy Resources Inc | Bonne Terre (10770) | McMullen | 1 | 11.2K | 2.78M | Jul 1993 – Apr 2012 |
| Broughton Gas Unit O/A G-2-45514 | Proline Energy Resources Inc | Yorktown (Wilcox 9,900) | De Witt | 1 | 10.7K | 1.07M | Jun 1993 – Aug 2024 |
| La Blanca Gas Unit G-4-11338 | Proline Energy Resources Inc | La Blanca (Frio Consolidated) | Hidalgo | 1 | 9.02K | 2.31M | by Jan 1993 – Aug 2026 |
| Martin 60 Gas Unit G-1-198501 | Proline Energy Resources Inc | Bonne Terre (10400) | McMullen | 1 | 8K | 955K | Nov 2003 – Aug 2025 |
| Prior Heirs Gas Unit G-6-206968 | Proline Energy Resources Inc | Beckville (Travis Peak) | Rusk | 1 | 7.88K | 422K | Dec 2004 – Jul 2024 |
| Gas Unit/C/Zone 7 G-4-142566 | Proline Energy Resources Inc | La Sal Vieja (8 9680-9935) | Willacy | 1 | 7.3K | 1.54M | by Jan 1993 – Sep 2012 |
| La Blanca Gas Unit G-4-265843 | Proline Energy Resources Inc | La Blanca (Frio Consolidated) | Hidalgo | 1 | 6.87K | 1.08M | Sep 2011 – Aug 2026 |
| Martin 60 Gas Unit G-1-128518 | Proline Energy Resources Inc | Bonne Terre (Middle House 8) | McMullen | 1 | 6.64K | 4.63M | by Jan 1993 – Feb 2001 |
| E. Baker Gas Unit G-2-175924 | Proline Energy Resources Inc | Mikeska (2ND Tom Lyne) | Live Oak | 1 | 5.73K | 2.28M | Nov 1999 – Dec 2014 |
| Vela Gas Unit G-4-105009 | Proline Energy Resources Inc | Roleta (7483) | Zapata | 1 | 5.57K | 621K | by Jan 1993 – May 2021 |
| Ashby Gas Unit G-6-209881 | Proline Energy Resources Inc | Beckville (Cotton Valley) | Rusk | 1 | 5.44K | 583K | Jul 2004 – Aug 2026 |
| Berryman et al, Gas Unit G-4-185572 | Proline Energy Resources Inc | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 5.27K | 579K | Oct 2001 – Jul 2026 |
| Bassett, William P. Gas Unit G-6-190992 | Proline Energy Resources Inc | Oak Hill (Cotton Valley) | Rusk | 1 | 4.88K | 816K | Sep 2002 – Aug 2026 |
| 7300' Gas Unit G-4-156892 | Proline Energy Resources Inc | La Sal Vieja (7300) | Willacy | 1 | 4.65K | 206K | Oct 1995 – Jun 1998 |
| Meider Gas Unit G-2-107419 | Proline Energy Resources Inc | Coquat (10500) | Live Oak | 1 | 4.63K | 533K | by Jan 1993 – Sep 2004 |
| South Weslaco Gas Unit G-4-53372 | Proline Energy Resources Inc | Weslaco, South (9500) | Hidalgo | 1 | 4.31K | 6.05M | by Jan 1993 – Aug 2026 |
| Meider Gas Unit G-2-209670 | Proline Energy Resources Inc | Coquat (Meider a, Deep) | Live Oak | 1 | 4.3K | 394K | Feb 2005 – Apr 2014 |
| Texaco Fee Gas Unit G-1-127872 | Proline Energy Resources Inc | Bonne Terre (10970) | McMullen | 1 | 4.2K | 874K | Jun 1993 – Feb 2003 |
| South Weslaco Gas Unit G-4-45452 | Proline Energy Resources Inc | Weslaco, South (Willis) | Hidalgo | 1 | 4.09K | 815K | by Jan 1993 – May 2021 |
| Brooks, A. Gas Unit G-6-220520 | Proline Energy Resources Inc | Beckville (Cotton Valley) | Rusk | 1 | 3.83K | 690K | Feb 2006 – Aug 2026 |
| Brooks, A. Gas Unit G-6-224182 | Proline Energy Resources Inc | Beckville (Cotton Valley) | Rusk | 1 | 3.16K | 530K | Jul 2006 – Aug 2026 |
| Ross, Luther Gas Unit G-6-215267 | Proline Energy Resources Inc | Beckville (Cotton Valley) | Rusk | 1 | 3.04K | 369K | Sep 2005 – Aug 2026 |
| Brushy Creek Gas Unit G-2-171215 | Proline Energy Resources Inc | Brushy Creek (Wilcox -S-1-11200) | De Witt | 1 | 2.68K | 1.29M | Jul 1998 – Jan 2012 |
| Meider Deep Gas Unit G-2-217919 | Proline Energy Resources Inc | Coquat (11,300) | Live Oak | 1 | 2.54K | 248K | Jun 2005 – Dec 2025 |
| Snelgrove. R. Gas Unit G-6-214493 | Proline Energy Resources Inc | Beckville (Cotton Valley) | Rusk | 1 | 2.37K | 274K | Aug 2005 – Aug 2026 |
| Meider SU et al Gas Unit G-2-237957 | Proline Energy Resources Inc | Coquat (10500) | Live Oak | 1 | 2.08K | 738K | Feb 2007 – Oct 2019 |
| Hilliard Gas Unit G-6-94564 | Proline Energy Resources Inc | Oak Hill (Cotton Valley) | Rusk | 1 | 1.91K | 503K | by Jan 1993 – Jul 2026 |
| Gas Unit a Zone 1 G-4-217893 | Proline Energy Resources Inc | La Sal Vieja (1 7688-7827) | Willacy | 1 | 1.89K | 477K | Mar 2006 – Oct 2018 |
| Texaco Fee Gas Unit G-1-127660 | Proline Energy Resources Inc | Bonne Terre (10770) | McMullen | 1 | 1.83K | 247K | by Jan 1993 – Mar 1994 |