| Gentry Unit #2HHZ42-439-37161 | Proline Energy Resources Inc | TarrantNewark East (Barnett Shale) | ActiveGas | 7,334 | Mar 27, 2018 | 2 | Aug 2026 |
| Baldwin J. C. #3342-355-32479 | Proline Energy Resources Inc | NuecesBaldwin S. (Sanders) | Shut inOil | 7,450 | Oct 11, 2016 | 7 | Jul 2019 |
| Amoco Baldwin #142-355-32778 | Proline Energy Resources Inc | NuecesBaldwin (3820) | ActiveOil | 11,488 | Jun 22, 2015 | 3 | Jun 2026 |
| Farms I. P. -a- #1 X42-039-32465 | Proline Energy Resources Inc | BrazoriaChocolate Bayou ( Bnfld Xiv Sd.) | Shut inOil | 14,550 | Dec 5, 2014 | 4 | Feb 2019 |
| Cory #1HHZ42-225-31368 | Proline Energy Resources Inc | HoustonFt. Trinidad E. (Glen Rose UP) | PluggedOil | 9,500 | Sep 12, 2014 | 2 | Aug 2023 |
| Brees Unit #1HHZ42-225-31361 | Proline Energy Resources Inc | HoustonFt. Trinidad E. (Edwards) | ActiveOil | 9,530 | Sep 5, 2014 | 2 | May 2025 |
| Matis J. #1REHZ42-051-31693 | Proline Energy Resources Inc | BurlesonGiddings (Austin Chalk Gas) | Temporarily abandonedGas | 10,091 | Jun 18, 2013 | 3 | Mar 2026 |
| Oransky M. B. et al #142-161-30772 | Proline Energy Resources Inc | FreestoneRischers Store (Pettit) | ActiveGas | 12,000 | Mar 20, 2013 | 3 | Sep 2019 |
| McFaddin J.A. #a 4442-469-33719 | Proline Energy Resources Inc | VictoriaKay Creek (2400) | Temporarily abandonedGas | 4,000 | Mar 15, 2013 | 3 | Mar 2022 |
| La Blanca Gas Unit #3442-215-30201 | Proline Energy Resources Inc | HidalgoLa Blanca (Frio Consolidated) | ActiveGas | 11,000 | Oct 3, 2011 | 1 | Aug 2026 |
| Welder Ranch #1942-409-32471 | Proline Energy Resources Inc | San PatricioOneil (3450) | Temporarily abandonedGas | 6,509 | Aug 18, 2010 | 2 | Oct 2025 |
| Lackey E. T. #1D42-055-34925 | Proline Energy Resources Inc | CaldwellDale-McBride | Shut inOil | 2,650 | Jun 2, 2010 | 1 | Dec 2025 |
| FNB Cincinnati #542-215-31394 | Proline Energy Resources Inc | HidalgoHargill (Frio Cons.) | Temporarily abandonedGas | 10,423 | May 28, 2010 | 2 | Sep 2010 |
| Ross D. GU #3HHZ42-401-35118 | Proline Energy Resources Inc | RuskBeckville (Cotton Valley) | Temporarily abandonedGas | 10,489 | Mar 22, 2010 | 1 | Jul 2024 |
| McFaddin a #4342-469-33588 | Proline Energy Resources Inc | VictoriaMcFaddin (2500) | ActiveGas | 3,900 | Jan 7, 2010 | 4 | Oct 2013 |
| Baldwin J. C. #3142-355-30605 | Proline Energy Resources Inc | NuecesBaldwin S. (Sanders) | Shut inOil | 7,070 | Dec 22, 2008 | 3 | Jul 2019 |
| Vastar Bonner #142-241-30665 | Proline Energy Resources Inc | JasperWildcat | ActiveGas | 19,458 | Dec 5, 2008 | 2 | Aug 2026 |
| Gouger GU 4 O/a #442-311-31608 | Proline Energy Resources Inc | McMullenCampana South (Yegua 4300) | ActiveGas | 6,100 | Sep 5, 2008 | 3 | Apr 2026 |
| Pryor Myra S. -a- #4 T42-089-00190 | Proline Energy Resources Inc | ColoradoAltair (Wilcox 10 100) | Temporarily abandonedGas | 10,366 | Aug 25, 2008 | 1 | May 1995 |
| Tait Alice #142-089-31750 | Proline Energy Resources Inc | ColoradoTait (Wilcox 10 700) | Temporarily abandonedGas | 11,786 | Jul 30, 2008 | 2 | Sep 2018 |
| Pagan #142-297-34381 | Proline Energy Resources Inc | Live OakMikeska NW. (7800) | Temporarily abandonedGas | 12,287 | Jul 21, 2008 | 2 | Aug 2024 |
| Hunt Jeffery Davis #142-409-31859 | Proline Energy Resources Inc | San PatricioGeronimo N. (N-2 10300) | Shut inOil | 10,660 | Jun 16, 2008 | 4 | Jun 2024 |
| La Sal Vieja Development #142-489-31202 | Proline Energy Resources Inc | WillacyLa Sal Vieja (Frio Cons) | ActiveGas | 12,500 | May 21, 2008 | 2 | Apr 2026 |
| Cooley M. E. #242-469-33397 | Proline Energy Resources Inc | VictoriaMission Valley W (Wilcox 10800) | Temporarily abandonedGas | 11,020 | May 2, 2008 | 3 | Apr 2024 |
| State Tract 39A #142-071-32365 | Proline Energy Resources Inc | ChambersTurtle Beach (Vicksburg) | Temporarily abandonedGas | 10,602 | Jan 15, 2008 | 2 | Sep 2012 |
| McDowell a #142-239-01649 | Proline Energy Resources Inc | JacksonWesthoff (Combined Associated) | Temporarily abandonedGas | 6,850 | Sep 11, 2007 | 1 | Oct 2020 |
| Moore Deep #1HHZ42-157-32465 | Proline Energy Resources Inc | Fort BendFulshear S. (Cons.) | Temporarily abandonedGas | 15,708 | Jul 11, 2007 | 1 | Mar 2025 |
| Bonilla #142-297-34362 | Proline Energy Resources Inc | Live OakMikeska (Massive Wilcox) | ActiveGas | 13,700 | May 15, 2007 | 3 | Jul 2019 |
| Meider SU #242-297-34590 | Proline Energy Resources Inc | Live OakCoquat (Massive Series) | ActiveGas | 11,300 | Apr 2, 2007 | 2 | Dec 2025 |
| Rochelle Gas Unit #942-285-33055 | Proline Energy Resources Inc | LavacaDry Hollow (Gilstrap) | ActiveGas | 15,057 | Oct 9, 2006 | 4 | Aug 2026 |
| Rochelle Gas Unit #1R42-285-32390 | Proline Energy Resources Inc | LavacaDry Hollow (Wilcox Dagg NE) | ActiveGas | 16,550 | Oct 6, 2006 | 6 | Aug 2026 |
| Devon #1HZ42-185-30710 | Proline Energy Resources Inc | GrimesGiddings (Austin Chalk Gas) | ActiveGas | 15,250 | Sep 22, 2006 | 1 | Jul 2024 |
| E. Baker Gas Unit #442-297-34414 | Proline Energy Resources Inc | Live OakMikeska (2ND Tom Lyne) | Temporarily abandonedGas | 12,600 | Sep 21, 2006 | 2 | Jan 2021 |
| Southwest Oil & Land Inc. #342-215-32281 | Proline Energy Resources Inc | HidalgoLos Indios (Vicksburg Cons.) | ActiveGas | 13,250 | Sep 19, 2006 | 3 | Aug 2026 |
| Gas Unit a Zone 1 #342-489-30613 | Proline Energy Resources Inc | WillacyLa Sal Vieja (1 7688-7827) | Temporarily abandonedGas | 10,010 | Jul 31, 2006 | 5 | Oct 2018 |
| Foster Farms Deep #1HHZ42-157-32420 | Proline Energy Resources Inc | Fort BendFulshear S. (Cons.) | ActiveGas | 15,800 | Jul 13, 2006 | 2 | Aug 2026 |
| Meider Gas Unit #642-297-34694 | Proline Energy Resources Inc | Live OakCoquat (10500) | Temporarily abandonedGas | 12,486 | Jun 28, 2006 | 2 | Mar 2025 |
| McFaddin a #36 F42-469-32681 | Proline Energy Resources Inc | VictoriaKay Creek (2950) | Temporarily abandonedGas | 5,500 | Dec 13, 2005 | 5 | Apr 2022 |
| Farms I. P. #1 F42-039-32039 | Proline Energy Resources Inc | BrazoriaChocolate Bayou ( Wieting Up.) | Temporarily abandonedGas | 16,000 | Nov 10, 2005 | 4 | Jul 2008 |
| Brushy Creek Gas Unit #2142-123-31829 | Proline Energy Resources Inc | De WittBrushy Creek (Wilcox -S-1-11200) | ActiveGas | 13,675 | Aug 30, 2005 | 2 | Jan 2012 |
| McFaddin a #1742-469-32002 | Proline Energy Resources Inc | VictoriaKay Creek (1750) | Temporarily abandonedGas | 6,797 | Aug 30, 2005 | 7 | Aug 2009 |
| McDowell #142-239-01637 | Proline Energy Resources Inc | JacksonWesthoff (Combined Associated) | Temporarily abandonedGas | 7,108 | Jul 29, 2005 | 1 | Mar 2022 |
| Calhoun F. D. #1HHZ42-185-30674 | Proline Energy Resources Inc | GrimesGiddings (Austin Chalk Gas) | ActiveGas | 13,384 | May 20, 2005 | 2 | Aug 2026 |
| Davis #142-409-32791 | Proline Energy Resources Inc | San PatricioMidway South (Consolidated) | ActiveGas | 14,292 | May 17, 2005 | 1 | Jun 2026 |
| Mustang #1HHZ42-185-30658 | Proline Energy Resources Inc | GrimesGiddings (Austin Chalk Gas) | ActiveGas | 15,240 | Apr 22, 2005 | 2 | Aug 2026 |
| Hasdorff a #242-239-03466 | Proline Energy Resources Inc | JacksonWesthoff (Combined Associated) | Shut inOil | 6,914 | Apr 6, 2005 | 2 | Feb 2017 |
| Vaquero a #a 242-469-33908 | Proline Energy Resources Inc | VictoriaWelder Ranch | Temporarily abandonedGas | 12,400 | Mar 24, 2005 | 3 | May 2020 |
| Glasscock C. G. #142-089-30095 | Proline Energy Resources Inc | ColoradoGlasscock | Shut inOil | 11,018 | Feb 8, 2005 | 6 | Dec 2015 |
| O Connor Ranch #1642-175-33718 | Proline Energy Resources Inc | GoliadOconnor Ranch S. (Vicksburg) | Temporarily abandonedGas | 4,800 | Dec 28, 2004 | 2 | May 2014 |
| Schultze #242-175-33675 | Proline Energy Resources Inc | GoliadCharco S. (Wilcox 9300) | Temporarily abandonedGas | 10,615 | Nov 1, 2004 | 3 | Jun 2024 |