| University -B15- O-9-3540 | MHM Pipeline Co., Inc. only | Block 4 (Devonian) | Upton | 1 | 14.2K | 511K | by Jan 1993 – Jan 2026 |
| Senkel-Brimhall O-13-30779 | Borderline Operating Corp. only | CDC (Miss.) | Young | 1 | 14K | 4.25K | Feb 2007 – Jun 2011 |
| Starns G-3-274151 | Proline Energy Resources Inc only | Fort Trinidad (Glen Rose, Upper) | Houston | 1 | 13.7K | 50.7K | Mar 2014 – Dec 2025 |
| Riggins O-8-24453 | Borderline Operating Corp. only | Fisher-Humphreys (Bend Congl.) | Haskell | 1 | 13.7K | 998 | by Jan 1993 – Sep 2006 |
| Papaya G-3-249831 | Proline Energy Resources Inc only | Coconut (Anomalina 4) | Matagorda | 1 | 13.6K | 439K | May 2009 – Feb 2023 |
| Matis, J. G-3-275341 | Proline Energy Resources Inc only | Giddings (Austin Chalk, Gas) | Burleson | 1 | 13.6K | 210K | Jan 2014 – Mar 2026 |
| County Line "a" 5 O-8-28636 | Griffin Resources, LLC only | Lilly Bell (Miss.) | Stephens | 1 | 13.5K | 132K | Aug 1999 – Aug 2026 |
| Cline-Gauntt O-13-5302 | E & E Construction Company only | Wichita County Regular | Wichita | 15 | 13.5K | 21 | by Jan 1993 – Sep 2011 |
| Evangeline G-3-281708 | Transpacific Energy, LLC only | Egypt (Cook MTN) | Wharton | 1 | 13.4K | 1.07M | Apr 2016 – Jul 2026 |
| Vida O-14-90 | Red Line Company, Ltd. only | Panhandle Carson County Field | Carson | 6 | 13.4K | 5.77K | by Jan 1993 – Aug 2026 |
| Glasscock Ranch G-3-258981 | Proline Energy Resources Inc only | Glasscock (Wilcox 10,500) | Colorado | 1 | 13.1K | 404K | Dec 2010 – Sep 2016 |
| Harrison, G. G-3-275571 | Proline Energy Resources Inc only | Pheasant, SW. (Frio I) | Matagorda | 1 | 13.1K | 220K | Jun 2014 – Feb 2016 |
| Lineberry, E., Etal San Andres O-10-16534 | Kaiser-Francis Oil Company only | Fullerton (San Andres) | Andrews | 1 | 13.1K | 280 | by Jan 1993 – Jun 1996 |
| Blanton, Edna Diller O-8-17871 | Borderline Operating Corp. only | Blaton (Miss 4740) | Shackelford | 1 | 13.1K | 108K | by Jan 1993 – May 2012 |
| Martin, L. B. O-13-30336 | Borderline Operating Corp. only | Jack County Regular | Jack | 1 | 13.1K | 172 | Aug 2004 – Jan 2018 |
| Piper "C" O-10-33334 | Incline Energy only | J. C. B. (Clear Fork) | Pecos | 1 | 12.9K | 13.1K | by Jan 1993 – Apr 2019 |
| Guinn, H.B. O-1-9719 | Flint Pipeline Company only | Luling-Branyon | Caldwell | 4 | 12.8K | 3.53K | by Jan 1993 – Aug 2026 |
| B. Gallagher 1 GU G-4-195033 | Proline Energy Resources Inc only | Baldwin (9300) | Nueces | 1 | 12.8K | 417K | Mar 2003 – Jun 2024 |
| Canon, C.C. O-10-24314 | Incline Energy only | Sheffield (Strawn) | Pecos | 1 | 12.8K | 75.3K | by Jan 1993 – Sep 2005 |
| Rice GU G-6-226132 | Proline Energy Resources Inc only | Brachfield, S.E. (Cotton Valley) | Rusk | 1 | 12.8K | 588K | Dec 2006 – Aug 2026 |
| Evangeline G-3-286175 | Transpacific Energy, LLC only | Egypt (Cook MTN) | Wharton | 1 | 12.7K | 1.27M | Sep 2018 – Jul 2026 |
| Prochaska Oil Unit O-2-8527 | C & E Operating, Inc. only | Beeline (Tynan Sand) | San Patricio | 1 | 12.7K | 0 | Feb 2000 – Mar 2003 |
| Gouger GU 4 O/A G-1-239186 | Proline Energy Resources Inc only | Campana, South (Yegua 4300) | McMullen | 1 | 12.7K | 325K | Jan 2008 – Apr 2026 |
| Plum Creek O-1-11768 | Flint Pipeline Company only | Tenney Creek | Caldwell | 3 | 12.5K | 1.47K | by Jan 1993 – Aug 2026 |
| First Natl. BK of Bay Cty,tx. O-4-2068 | MHM Pipeline Co., Inc. only | Peters, East | Duval | 1 | 12.4K | 21 | by Jan 1993 – May 2019 |
| Kuester-Ochoa G-2-191828 | Proline Energy Resources Inc only | Brushy Creek (Wilcox -S-1-11200) | Lavaca | 1 | 12.4K | 489K | Jun 2002 – Dec 2020 |
| Cline -D- O-1-10941 | Petrosaurus, Inc. only | Somerset | Bexar | 5 | 12.4K | 20 | by Jan 1993 – Aug 2021 |
| Gouger Gas Unit No. 4 O/A G-1-40834 | Proline Energy Resources Inc only | Roos (Wilcox 7500) | McMullen | 1 | 12.3K | 1.37M | Feb 1994 – Aug 2025 |
| Solar O-4-13362 | American Shoreline, Inc. only | White Point, E. (Heep, LO) | San Patricio | 1 | 12.1K | 8.64K | Mar 2006 – Jun 2008 |
| Koemel O-2-8877 | Proline Energy Resources Inc only | George West, E. (Queen City -B-) | Live Oak | 1 | 12.1K | 92K | Jun 2004 – Jan 2024 |
| Strother O-13-29133 | Borderline Operating Corp. only | Young County Regular | Young | 5 | 12K | 0 | Nov 2007 – Aug 2026 |
| State Tract 39A G-3-246289 | Proline Energy Resources Inc only | Turtle Beach (Vicksburg) | Chambers | 1 | 12K | 1.36M | May 2008 – Sep 2012 |
| Berryman et al, Gas Unit G-4-184528 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 12K | 1.32M | Aug 2001 – Mar 2017 |
| Beaurline, A. W. G-4-148695 | Mueller Exploration, Inc. only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 12K | 1.15M | Jan 1994 – Nov 2024 |
| CBR 32 O-10-46822 | Stateline Water, LLC only | Red Bluff (Consolidated) | Loving | 1 | 11.9K | 35.7K | Jan 2015 – Sep 2018 |
| Crawford, Caroline G. O-11-5680 | Schlachter Operating Corporation only | Sharon Ridge (1700) | Mitchell | 6 | 11.9K | 88 | by Jan 1993 – Jul 2002 |
| Crews O-4-13601 | American Shoreline, Inc. only | Reyes, North (Yegua) | Duval | 2 | 11.8K | 13.7K | Nov 2009 – Mar 2011 |
| Ashby Gas Unit G-6-221766 | Proline Energy Resources Inc only | Beckville (Travis Peak) | Rusk | 1 | 11.8K | 742K | Apr 2006 – Jan 2008 |
| Turtle Hole O-13-34007 | Borderline Operating Corp. only | Knox (Mississippi Lime) | Young | 1 | 11.6K | 2.05K | Sep 2020 – Jun 2023 |
| Beaurline, A. W. G-4-106082 | Gn&j LLC only | Beaurline (Vicksburg 12100) | Hidalgo | 1 | 11.6K | 920K | by Jan 1993 – Nov 2024 |
| Linney, J.W. O-2-5867 | Outline Oil Company LLC only | Papalote, E. (3250) | Bee | 2 | 11.6K | 81 | by Jan 1993 – Aug 2023 |
| North County Line Estates G-13-191233 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 11.5K | 469K | Sep 2002 – Mar 2017 |
| Beaurline, A. W. G-4-157387 | Mueller Exploration, Inc. only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 11.5K | 795K | Dec 1995 – Nov 2024 |
| Waer G-2-151888 | Coastline Exploration, Inc. only | Weser (Recklaw 7560) | Goliad | 1 | 11.4K | 900K | Sep 1994 – Nov 1998 |
| Webb County School Board G-4-91576 | Proline Energy Resources Inc only | Mancho Prado (L-1) | Webb | 1 | 11.4K | 1.5M | by Jan 1993 – Jan 1999 |
| Tucker O-10-4233 | Incline Energy only | McKee (Clear Fork, Lower) | Crane | 4 | 11.4K | 55.1K | by Jan 1993 – Oct 2016 |
| Manley, Curtis S. O-13-3803 | Borderline Operating Corp. only | Mer-Mag (Bryson) | Jack | 4 | 11.3K | 549 | by Jan 1993 – Jun 2010 |
| Hester, J. O. O-13-24998 | Borderline Operating Corp. only | Ozie (Miss. 4900) | Jack | 1 | 11.3K | 12.1K | by Jan 1993 – Sep 2009 |
| La Blanca Gas Unit G-4-11350 | Proline Energy Resources Inc only | 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 only | Bonne Terre (10770) | McMullen | 1 | 11.2K | 2.78M | Jul 1993 – Apr 2012 |