| Berryman, et al Unit G-4-172812 | Proline Energy Resources Inc | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 288K | 10.5M | Feb 1999 – Dec 2025 |
| Valley G-4-206475 | Proline Energy Resources Inc | Midway, South (Consolidated) | San Patricio | 1 | 243K | 4.69M | Nov 2004 – Apr 2026 |
| Chapman Ranch G-4-190455 | Proline Energy Resources Inc | Mobil-David (Anderson) | Nueces | 1 | 202K | 3.79M | Jul 2002 – Dec 2010 |
| Apex GU G-4-199536 | Proline Energy Resources Inc | Midway, South (Consolidated) | San Patricio | 1 | 195K | 5.01M | Nov 2003 – Apr 2026 |
| Chapman Ranch C G-4-259450 | Proline Energy Resources Inc | Mobil-David (Anderson) | Nueces | 1 | 191K | 11.8M | Feb 2011 – Feb 2020 |
| Stone Gas Unit G-4-43621 | Proline Energy Resources Inc | La Sal Vieja (Frio Cons) | Willacy | 1 | 186K | 5.29M | Jan 1993 – Apr 2021 |
| Valley G-4-200931 | Proline Energy Resources Inc | Midway, South (Consolidated) | San Patricio | 1 | 165K | 1.36M | Mar 2004 – Dec 2025 |
| Crites A G-4-212182 | Proline Energy Resources Inc | Midway, South (Consolidated) | San Patricio | 1 | 158K | 3.48M | Jun 2005 – Dec 2025 |
| Kampfenkel, et al G. U. G-4-174485 | Proline Energy Resources Inc | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 154K | 4.17M | Aug 1999 – Jul 2017 |
| Farms, I. P. G-3-155093 | Proline Energy Resources Inc | Chocolate Bayou (IP) | Brazoria | 1 | 134K | 12.3M | Mar 1995 – Sep 1999 |
| Smith L G-4-205634 | Proline Energy Resources Inc | Midway, South (Consolidated) | San Patricio | 1 | 129K | 3.39M | Oct 2004 – Apr 2026 |
| Berryman et al Unit G-4-175113 | Proline Energy Resources Inc | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 126K | 4.33M | Nov 1999 – Dec 2025 |
| La Blanca Gas Unit G-4-163818 | Proline Energy Resources Inc | La Blanca ( 9400) | Hidalgo | 1 | 121K | 7.63M | May 1997 – Mar 2010 |
| Priday Unit G-4-164809 | Proline Energy Resources Inc | Geronimo (Frio Lower) | San Patricio | 1 | 109K | 1.21M | Sep 1997 – Apr 2026 |
| Knipe Gas Unit G-4-135931 | Proline Energy Resources Inc | Midway, East (10700) | San Patricio | 1 | 107K | 6.09M | Jan 1993 – Aug 2024 |
| Crites G.U. G-4-269762 | Proline Energy Resources Inc | Midway, South (Consolidated) | San Patricio | 1 | 107K | 1.19M | Dec 2012 – Dec 2019 |
| Shell "C" G-4-209899 | Proline Energy Resources Inc | Midway, South (Consolidated) | San Patricio | 1 | 103K | 1.72M | May 2005 – Apr 2026 |
| Peterson-Nuss Unit G-4-148986 | Proline Energy Resources Inc | Corpus Christi, W (Consolidated) | Nueces | 1 | 84.2K | 1.4M | Mar 1994 – Apr 2026 |
| Farms, I. P. Unit A G-3-163888 | Proline Energy Resources Inc | Chocolate Bayou (Andrau) | Brazoria | 1 | 81.8K | 2.43M | May 1997 – May 2001 |
| La Blanca Gas Unit G-4-11352 | Proline Energy Resources Inc | La Blanca ( 9400) | Hidalgo | 1 | 78.5K | 2.59M | Jan 1993 – Apr 2026 |
| Holmes G-3-209682 | Proline Energy Resources Inc | Rankin (Cook Mtn. IV) | Harris | 1 | 76.5K | 6.47M | May 2005 – Jul 2024 |
| Bell Farms G-4-204937 | Proline Energy Resources Inc | Midway, South (Consolidated) | San Patricio | 1 | 72.7K | 1.14M | Sep 2004 – Jun 2025 |
| Campbell, J. Est GU G-4-97772 | Proline Energy Resources Inc | Commonwealth (Dubose A) | San Patricio | 1 | 67.9K | 1.6M | Jan 1993 – Apr 2023 |
| Smith L G-4-266020 | Proline Energy Resources Inc | Midway, South (Consolidated) | San Patricio | 1 | 67.3K | 543K | Oct 2012 – Oct 2025 |
| Smith L G-4-214800 | Proline Energy Resources Inc | Midway, South (Consolidated) | San Patricio | 1 | 66.3K | 1.65M | Nov 2005 – May 2025 |
| Schultze G-2-202627 | Proline Energy Resources Inc | Cadence Reliance (Wilcox) | Goliad | 1 | 65.9K | 2.22M | Mar 2004 – Aug 2024 |
| Valley G-4-226861 | Proline Energy Resources Inc | Midway, South (Consolidated) | San Patricio | 1 | 64.2K | 747K | Mar 2007 – Apr 2026 |
| Cooley, M.E. G-2-180502 | Proline Energy Resources Inc | Mission Valley, W.(wilcox 10600) | Victoria | 1 | 61.6K | 8.66M | Jan 2000 – Mar 2026 |
| Berryman, et al Unit G-4-175748 | Proline Energy Resources Inc | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 60K | 1.91M | Jan 2000 – Dec 2000 |
| Foster Farms Deep G-3-226909 | Proline Energy Resources Inc | Fulshear, S. (Cons.) | Fort Bend | 1 | 59.2K | 2.37M | Feb 2007 – Mar 2026 |
| Clarence O'Berg Gas Unit G-4-143190 | Proline Energy Resources Inc | La Sal Vieja (Frio Cons) | Willacy | 1 | 56.5K | 1.62M | Jan 1993 – Mar 2025 |
| Jones Estate G-4-226744 | Proline Energy Resources Inc | Midway, South (Consolidated) | San Patricio | 1 | 53.3K | 4.25M | Apr 2007 – Feb 2026 |
| Kocurek Heirs G-4-183105 | Proline Energy Resources Inc | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 50.9K | 1.95M | May 2001 – Dec 2025 |
| Knipe G-4-68164 | Proline Energy Resources Inc | Midway, East (10700) | San Patricio | 1 | 50.2K | 1.52M | Jan 1993 – Aug 2024 |
| Kampfhenkel Gas Unit G-4-186186 | Proline Energy Resources Inc | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 47.6K | 1.78M | Apr 2001 – Dec 2025 |
| Vastar-Temple Inland G-3-179985 | Proline Energy Resources Inc | Bessmay (Wilcox Cons) | Jasper | 1 | 47.3K | 269K | May 2000 – Mar 2026 |
| 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 |
| Talley, Lee A G-3-123583 | Proline Energy Resources Inc | Orchard, North (Wilcox) | Fort Bend | 1 | 44.1K | 2.22M | Jan 1993 – Apr 2019 |
| Glasscock Ranch G-3-47834 | Proline Energy Resources Inc | Glasscock (Wilcox 10,500) | Colorado | 1 | 43.1K | 1.92M | Jan 1993 – Oct 2019 |
| Bell Farms G-4-216716 | Proline Energy Resources Inc | Midway, South (Consolidated) | San Patricio | 1 | 43K | 2.32M | Jan 2006 – Apr 2026 |
| Duncan, F. B. G-3-5248 | Proline Energy Resources Inc | Bernard, W. (Clodine) | Wharton | 1 | 40.8K | 4.2M | Jan 1993 – Mar 2021 |
| 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 |
| Apex GU G-4-224307 | Proline Energy Resources Inc | Midway, South (Consolidated) | San Patricio | 1 | 37.8K | 1.49M | Jan 2007 – Jun 2015 |
| Cooley, M. E. G-2-194567 | Proline Energy Resources Inc | Mission Valley, West (Massive-1) | Victoria | 1 | 37.5K | 1.89M | Sep 2000 – Apr 2026 |
| Countiss Sam G-4-194242 | Proline Energy Resources Inc | Baldwin (9290) | Nueces | 1 | 37.3K | 1.45M | Oct 2002 – May 2013 |
| BP-Stockstill G-3-254768 | Proline Energy Resources Inc | Bessmay (Wilcox Cons) | Jasper | 1 | 36K | 179K | Aug 2009 – Apr 2026 |
| Glasscock, C. G. G-3-150510 | Proline Energy Resources Inc | Glasscock (Wilcox 10630) | Colorado | 1 | 35.8K | 1.38M | Jul 1994 – Jan 2005 |
| Gold-Zapp G-3-180578 | Proline Energy Resources Inc | Phase Four (10500 Yegua) | Wharton | 1 | 35.6K | 1.4M | Dec 2000 – Mar 2026 |
| Hull G-3-126337 | Proline Energy Resources Inc | Hull Airport (Yegua 8660) | Fort Bend | 1 | 35.2K | 3.77M | Jan 1993 – Nov 2025 |
| Jones Estate G-4-216031 | Proline Energy Resources Inc | Midway, South (Consolidated) | San Patricio | 1 | 34.9K | 2.62M | Feb 2006 – Feb 2026 |