| Meider G. U. G-2-204264 | Proline Energy Resources Inc only | Coquat (Meider a, Deep) | Live Oak | 1 | 26K | 4.08M | Jun 2004 – Sep 2014 |
| Foster Farms Deep G-3-196848 | Proline Energy Resources Inc only | Fulshear, S. (Cons.) | Fort Bend | 1 | 26K | 2.01M | Jul 2003 – Aug 2026 |
| Smith, C. -B- O-1-1530 | Flint Pipeline Company only | Salt Flat | Caldwell | 4 | 25.8K | 21 | by Jan 1993 – Aug 2026 |
| Coline C O-3-222 | C.F.O., Inc. only | Batson New | Hardin | 9 | 25.4K | 80 | by Jan 1993 – Aug 2026 |
| Wintermann G-3-201733 | Proline Energy Resources Inc only | Bonus (Wilcox, Lower 12550) | Wharton | 1 | 25.4K | 867K | Apr 2004 – Aug 2026 |
| County Line "A" O-8-28637 | Winn Exploration Co., Inc. only | Lilly Bell (Miss.) | Stephens | 1 | 25.3K | 283K | Aug 1999 – Apr 2002 |
| Lovett O-14-551 | Red Line Company, Ltd. only | Panhandle Gray County Field | Gray | 21 | 25.3K | 5.08K | by Jan 1993 – Aug 2026 |
| Crites A G-4-219672 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 25.1K | 972K | Jan 2006 – Dec 2025 |
| County Line "a" Unit 4 O-8-28635 | Lime Rock Resources a, L.P. only | Lilly Bell (Miss.) | Stephens | 1 | 25.1K | 675K | Jul 1999 – Apr 2002 |
| Kline O-11-65715 | McDonald Production, LLC only | Tufbow (Miss) | Garza | 1 | 24.9K | 4.31K | by Jan 1993 – Aug 2026 |
| Ware O-14-1326 | Red Line Company, Ltd. only | Panhandle Hutchinson County Fld. | Hutchinson | 16 | 24.9K | 75.5K | by Jan 1993 – Aug 2026 |
| Cooley, M. E. G-2-177148 | Proline Energy Resources Inc only | Mission Valley, W.(wilcox 10600) | Victoria | 1 | 24.7K | 1.44M | Sep 1999 – May 2010 |
| Beaurline G-4-233197 | Dewbre Petroleum Corporation only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 24.6K | 643K | Nov 2007 – Jan 2015 |
| County Line West 34-22 D O-10-65466 | Diamondback E&P LLC only | Spraberry (Trend Area) | Glasscock | 1 | 24.4K | 25.4K | Aug 2026 – Aug 2026 |
| Byrum, B. F. A. -B- O-14-273 | Red Line Company, Ltd. only | Panhandle Gray County Field | Gray | 4 | 24.3K | 174K | by Jan 1993 – Aug 2026 |
| Casas G-4-230780 | American Shoreline, Inc. only | Five Gates (Pettus) | Duval | 1 | 24.3K | 613K | Aug 2007 – Aug 2014 |
| Barker, E. A. O-3-22570 | Proline Energy Resources Inc only | Bessmay (Wilcox 5TH) | Jasper | 1 | 24.1K | 22.9K | Nov 1994 – Feb 2025 |
| Coline -D- O-3-219 | C.F.O., Inc. only | Batson New | Hardin | 9 | 24.1K | 1 | Aug 1993 – Aug 2026 |
| Bromberg, et Al G-3-93236 | Proline Energy Resources Inc only | Fort Trinidad (Glen Rose -D-) | Houston | 1 | 23.8K | 849K | by Jan 1993 – Dec 2025 |
| Fran -CC- O-10-30465 | Incline Energy only | Grice (Delaware) | Loving | 1 | 23.8K | 114K | by Jan 1993 – Sep 2015 |
| Boyd O-13-32010 | Borderline Operating Corp. only | Bowie, NE. (Viola) | Montague | 1 | 23.7K | 79.2K | Jan 2012 – Aug 2022 |
| Cline, H. T. O-14-4153 | Courson Oil & Gas, Inc. only | Hansford, North (Cleveland) | Hansford | 1 | 23.6K | 5.24K | by Jan 1993 – Aug 2026 |
| Lackey, E. T. O-1-4099 | Proline Energy Resources Inc only | Dale-McBride | Caldwell | 14 | 23.6K | 2.71K | by Jan 1993 – Dec 2025 |
| Bird G-2-235003 | Proline Energy Resources Inc only | Oakville (Wilcox Cons.) | Live Oak | 1 | 23.5K | 368K | Feb 2008 – Aug 2026 |
| Casas O-4-13958 | American Shoreline, Inc. only | Five Gates (Pettus) | Duval | 1 | 23.4K | 0 | Sep 2014 – Aug 2026 |
| Brushy Creek Gas Unit G-2-188920 | Proline Energy Resources Inc only | Brushy Creek (Wilcox -S-1-11200) | Lavaca | 1 | 23.3K | 1.52M | Feb 2002 – Nov 2022 |
| Clingingsmith "A" O-1-12699 | Proline Energy Resources Inc only | Dale-McBride | Caldwell | 4 | 23.3K | 6.62K | by Jan 1993 – Dec 2025 |
| Wheeler OL O-1-17887 | Proline Energy Resources Inc only | A.W.P. (Olmos) | McMullen | 1 | 23.2K | 9.5K | Jul 2012 – Jun 2022 |
| Creel, R. O-13-22007 | Borderline Operating Corp. only | Stovall (McLester) | Young | 2 | 23.1K | 11.8K | by Jan 1993 – Aug 2026 |
| Beaurline, A. W. G-4-122313 | Merit Energy Company only | McAllen Ranch (Guerra) | Hidalgo | 1 | 23K | 1.88M | by Jan 1993 – Oct 2010 |
| Webb County School Board G-4-87366 | Proline Energy Resources Inc only | Mancho Prado (L-1) | Webb | 1 | 22.9K | 1.41M | by Jan 1993 – Dec 2024 |
| County Line West 34-22 A O-10-65511 | Diamondback E&P LLC only | Spraberry (Trend Area) | Glasscock | 2 | 22.9K | 23.6K | Aug 2026 – Aug 2026 |
| Moore, J. W. Estate -D- O-14-748 | Red Line Company, Ltd. only | Panhandle Hutchinson County Fld. | Hutchinson | 5 | 22.8K | 38.4K | by Jan 1993 – Aug 2026 |
| Jones O-6-15931 | Flint Pipeline Company only | Pleasant Grove (Shallow) | Rusk | 1 | 22.7K | 0 | Nov 2022 – Aug 2026 |
| Pure, et al GU G-3-208113 | Proline Energy Resources Inc only | Martin Ranch (Frio 14,600) | Brazoria | 1 | 22.6K | 5.04M | Jan 2005 – Aug 2024 |
| Farms, I. P. -A- O-3-26180 | Proline Energy Resources Inc only | Chocolate Bayou (Lower Schenk) | Brazoria | 1 | 22.6K | 135K | May 2013 – Aug 2015 |
| Lewis O-14-92 | Red Line Company, Ltd. only | Panhandle Carson County Field | Carson | 8 | 22.3K | 32.3K | by Jan 1993 – Aug 2026 |
| Clingingsmith O-1-4098 | Proline Energy Resources Inc only | Dale-McBride | Caldwell | 8 | 22.3K | 1.92K | by Jan 1993 – Dec 2025 |
| Beaurline, A. W. G-4-150080 | Gn&j LLC only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 22.2K | 1.71M | Apr 1994 – Nov 2024 |
| Jarzombek, Caroline, et Al O-2-3288 | P1 Energy, LLC only | Person (Edwards) | Karnes | 2 | 22.1K | 286K | by Jan 1993 – Dec 2012 |
| Goldston, W. L. et Al O-4-12612 | Proline Energy Resources Inc only | Los Indios, W. (MF-133) | Hidalgo | 2 | 22.1K | 157K | Aug 1996 – Sep 2019 |
| Master of Sparks O-9-14580 | Devx Operating Company only | Hondo Pipeline (Fusselman) | Irion | 1 | 22.1K | 29.8K | Apr 1997 – Oct 2003 |
| New York City Storage Unit G-13-155333 | Atmos Pipeline - Texas only | New York City (Miss.-Storage) | Clay | 1 | 21.9K | 18.6K | Aug 2008 – Feb 2026 |
| Murphy G-6-132267 | Flint Pipeline Company only | S.W. Bullard (Rodessa) | Smith | 1 | 21.7K | 595K | by Jan 1993 – Aug 2026 |
| Adeline O-1-13929 | R & S Oil Production Co. only | Bateman (Austin Chalk) | Bastrop | 3 | 21.7K | 25 | Dec 1994 – Mar 2023 |
| Jablonski, H. O-2-7928 | Coastline Exploration, Inc. only | Gottschalt (Mackhank 7700) | Goliad | 1 | 21.6K | 119K | Dec 1993 – Oct 1997 |
| Beaurline, A. W. G-4-147138 | Cabot Oil & Gas Corporation only | McAllen Ranch (Vksbg. S-T-U, N.) | Hidalgo | 1 | 21.5K | 1.46M | Oct 1993 – Jan 1999 |
| County Line West 34-22 E O-10-65530 | Diamondback E&P LLC only | Spraberry (Trend Area) | Glasscock | 2 | 21.4K | 20.4K | Aug 2026 – Aug 2026 |
| Docktor O-13-21735 | Borderline Operating Corp. only | Stovall (McLester) | Young | 3 | 21.4K | 3.21K | by Jan 1993 – Aug 2026 |
| Shoemake Unit O-2-8993 | Proline Energy Resources Inc only | George West, E. (Queen City -B-) | Live Oak | 1 | 21.3K | 53.9K | Jul 2005 – Aug 2026 |