| Martin 60 Gas Unit G-1-129746 | Proline Energy Resources Inc only | Bonne Terre (10770) | McMullen | 1 | 17K | 2.01M | by Jan 1993 – Mar 2005 |
| Anderson, James B. O-13-17737 | Borderline Operating Corp. only | Penny (Strawn) | Knox | 2 | 17K | 54 | by Jan 1993 – Mar 2003 |
| Meider SU G-2-208595 | Proline Energy Resources Inc only | Coquat (Meider a, Deep) | Live Oak | 1 | 16.9K | 3.06M | Nov 2004 – Dec 2025 |
| Hoskinson "A" G-4-234897 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 16.9K | 541K | Jan 2008 – Dec 2025 |
| Lyne Gas Unit -A- G-2-80500 | McCombs Energy, Ltd. only | Charline (Forney) | Live Oak | 1 | 16.8K | 853K | by Jan 1993 – Sep 2000 |
| Loftin O-13-23331 | Borderline Operating Corp. only | Langston-Kleiner (Strawn) | Young | 3 | 16.7K | 683 | by Jan 1993 – Sep 1999 |
| Glasscock, C. G. G-3-131891 | Proline Energy Resources Inc only | Glasscock (Wilcox 8700) | Colorado | 1 | 16.6K | 410K | by Jan 1993 – Apr 2004 |
| Smith, Frank G-3-278074 | Proline Energy Resources Inc only | Fort Trinidad (Glen Rose, Upper) | Houston | 1 | 16.5K | 159K | Nov 2012 – Jul 2018 |
| Welder Ranch A G-2-222477 | Proline Energy Resources Inc only | Marshall (Middle Wilcox) | Victoria | 1 | 16.5K | 784K | Oct 2006 – May 2021 |
| Kline "B" O-11-66424 | Chevron Midcontinent, L.P. only | Tufbow (Ellen) | Garza | 1 | 16.4K | 22.1K | by Jan 1993 – Jan 2006 |
| Hcwd-58 G-3-210921 | Proline Energy Resources Inc only | Rankin (Cook Mtn. IV) | Harris | 1 | 16.3K | 1.23M | Aug 2005 – Jul 2024 |
| Welder Ranch G-4-199173 | Proline Energy Resources Inc only | Angelita New (Frio) | San Patricio | 1 | 16.3K | 626K | Oct 2003 – Jul 2026 |
| Hasdorff "A" G-2-203210 | Proline Energy Resources Inc only | Westhoff (Combined Associated) | Jackson | 1 | 16.2K | 230K | Apr 2004 – Dec 2017 |
| Beaurline, A. W. G-4-121251 | Shell Western E&P Inc. only | McAllen Ranch (Guerra) | Hidalgo | 1 | 16.2K | 582K | by Jan 1993 – Apr 1996 |
| Frashier, O. N. O-14-275 | Red Line Company, Ltd. only | Panhandle Gray County Field | Gray | 4 | 16.1K | 74.3K | by Jan 1993 – Aug 2026 |
| Keddie G-3-273620 | Proline Energy Resources Inc only | Fort Trinidad (Glen Rose, Upper) | Houston | 1 | 16.1K | 69.6K | Feb 2013 – Dec 2025 |
| Hart Ranch 876 G-8-132696 | Lexgas, Inc. only | Mineral Wells,north (Big Saline) | Palo Pinto | 1 | 16K | 408K | by Jan 1993 – Apr 2022 |
| Linebery O-10-30936 | Autumn Energy Operating only | Nelson, S. (Yates) | Andrews | 1 | 16K | 22 | by Jan 1993 – Jul 2026 |
| Nantz, J. H. G-13-22858 | Borderline Operating Corp. only | Finis, Southwest (Congl. 4100) | Young | 1 | 15.8K | 80.4K | by Jan 1993 – Nov 2021 |
| Brees Unit O-3-26598 | Proline Energy Resources Inc only | Ft. Trinidad, E. (Edwards) | Houston | 1 | 15.7K | 7.65K | Feb 2015 – May 2025 |
| Lineberry Evelyn et al -D- O-10-25404 | Kaiser-Francis Oil Company only | Fullerton (San Andres) | Andrews | 1 | 15.7K | 438 | by Jan 1993 – Jun 1996 |
| North County Line Estates G-13-190493 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 15.7K | 483K | Jul 2002 – Aug 2026 |
| North County Line Estates G-13-192714 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 15.6K | 546K | Sep 2002 – Aug 2026 |
| Beaurline, A. W. G-4-110796 | Shell Western E&P Inc. only | McAllen Ranch(vicksburg-U-V-,se) | Hidalgo | 1 | 15.5K | 430K | by Jan 1993 – Nov 1994 |
| Garcia, F. G. O-4-1408 | Outline Oil Company LLC only | Killam | Webb | 3 | 15.4K | 16 | by Jan 1993 – Apr 2024 |
| Prairie et al Hastedt et al GU G-3-55313 | Proline Energy Resources Inc only | Prairie Bell (11000) | Colorado | 1 | 15.3K | 991K | by Jan 1993 – May 2019 |
| Beaurline, A. W. G-4-166323 | Merit Energy Company only | McAllen Ranch (Vicksburg y, E.) | Hidalgo | 1 | 15.1K | 859K | Dec 1997 – Aug 2026 |
| List 2329 O-8-28021 | Borderline Operating Corp. only | T.D.P. (Caddo, Lower) | Throckmorton | 1 | 15.1K | 3.56K | Oct 1996 – Jul 2005 |
| Beaurline, A. W. G-4-172706 | Gn&j LLC only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 15K | 3.13M | Feb 1999 – Nov 2024 |
| Swanson-Meek Gas Unit G-3-162741 | Proline Energy Resources Inc only | Phase Four (9220 Yegua) | Wharton | 1 | 15K | 858K | Apr 1997 – Jul 1999 |
| Pearce G-2-224620 | Proline Energy Resources Inc only | Hope (Wilcox Massive) | Lavaca | 1 | 15K | 1.28M | May 2006 – Mar 2022 |
| Linebery, Evelyn, Etal -16- O-10-12126 | Kaiser-Francis Oil Company only | Union | Andrews | 2 | 14.9K | 5.48K | by Jan 1993 – Jun 1996 |
| Davis G-4-230034 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 14.9K | 1.42M | Aug 2007 – Jun 2026 |
| McCabe G-2-222195 | Proline Energy Resources Inc only | Hope (Wilcox Massive) | Lavaca | 1 | 14.8K | 747K | Sep 2006 – Apr 2022 |
| County Line 30 O-8-29450 | Griffin Resources, LLC only | Lilly Bell (Miss.) | Stephens | 1 | 14.8K | 238K | Feb 2004 – Aug 2026 |
| Smith, Carl G-4-80110 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 14.8K | 1.75M | by Jan 1993 – Mar 2022 |
| Berryman et al Gas Unit G-4-184045 | Proline Energy Resources Inc only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 14.8K | 430K | Apr 2001 – Jul 2026 |
| Playboy O-8-27447 | Borderline Operating Corp. only | Crystal Falls (Miss.) | Throckmorton | 1 | 14.8K | 922 | Jan 1995 – Mar 2009 |
| Murphy, W. C. O-2-7624 | Outline Oil Company LLC only | Papalote, E. (3250) | Bee | 1 | 14.7K | 21 | by Jan 1993 – Jul 2023 |
| Caroline O-9-18875 | Enrich Oil Corporation only | Winters, NW. (Jennings) | Runnels | 1 | 14.7K | 14.5K | Feb 2015 – May 2019 |
| Goldston, W. L. et Al G-4-152172 | Proline Energy Resources Inc only | Los Indios (Vicksburg Cons.) | Hidalgo | 1 | 14.6K | 2.21M | Oct 1994 – Aug 2026 |
| Chapman Ranch G-4-197910 | Proline Energy Resources Inc only | Mobil-David (Anderson) | Nueces | 1 | 14.5K | 346K | May 2003 – Dec 2003 |
| Diebel, Alfred Unit G-2-131923 | Coastline Exploration, Inc. only | Brandt (Wilcox 11100) | Goliad | 1 | 14.5K | 387K | by Jan 1993 – Feb 2009 |
| Garcia-Villarreal O-4-1409 | Outline Oil Company LLC only | Killam | Webb | 2 | 14.5K | 18 | by Jan 1993 – May 2024 |
| Leveridge, A. T. et UX G-3-164999 | Southeastern Pipe Line Company only | Bernard, East (7700) | Fort Bend | 1 | 14.4K | 1.18M | Aug 1997 – Feb 2013 |
| Beaurline, A. W. G-4-168937 | Shell Western E&P only | McAllen Ranch (Vicksburg S, E.) | Hidalgo | 1 | 14.3K | 263K | Jun 1998 – Jul 2001 |
| Mango G-3-236764 | Proline Energy Resources Inc only | Coconut (Anomalina 4) | Matagorda | 1 | 14.3K | 810K | May 2008 – Feb 2018 |
| Chapman Ranch G-4-231911 | Proline Energy Resources Inc only | Mobil-David (Frio 12,600) | Nueces | 1 | 14.3K | 869K | Aug 2007 – Aug 2019 |
| Iowa Realty Trust "B" O-10-33242 | Incline Energy only | Pecos Valley, S. (Devonian) | Pecos | 1 | 14.3K | 258K | by Jan 1993 – Oct 2016 |
| Bravo Land Company G-4-140036 | Proline Energy Resources Inc only | Bravo (Wilcox "A") | Duval | 1 | 14.2K | 3.43M | by Jan 1993 – Dec 2015 |