| Trevino, J.B. Estate -A- G-4-58310 | Proline Energy Resources Inc only | Los Mogotes, North (Wilcox 5100) | Zapata | 1 | 526 | 376K | by Jan 1993 – Dec 2017 |
| Manley O-8-25785 | Borderline Operating Corp. only | Oran (Marble Falls) | Palo Pinto | 2 | 522 | 41.6K | Apr 1997 – Jul 2006 |
| Goehring, Robert F. G-2-132987 | Coastline Exploration, Inc. only | Brandt, N. (Reklaw) | Goliad | 1 | 516 | 88.6K | by Jan 1993 – Aug 1994 |
| Davis & Hall O-4-4486 | Coastal Shoreline Corp. only | Que Sera (Mirando) | Webb | 5 | 512 | 20 | by Jan 1993 – Oct 1994 |
| Willis, Gail G-13-150969 | Borderline Operating Corp. only | Young County Regular (Gas) | Young | 1 | 509 | 91.4K | Sep 1994 – Aug 2009 |
| O'Connor Ranch G-2-238785 | Proline Energy Resources Inc only | Old Buzzard (Wilcox) | Goliad | 1 | 508 | 336K | May 2006 – Aug 2025 |
| 101 Ranch -17- G-8-204781 | Borderline Operating Corp. only | Lone Camp, NW. (Congl.) | Palo Pinto | 1 | 506 | 38.1K | Sep 2004 – Apr 2010 |
| Steinmeyer, A. H. G-2-229885 | McCombs Energy, Ltd. only | Charline (Forney) | Live Oak | 1 | 505 | 85.3K | Aug 2007 – Jun 2011 |
| Prior, Frank Gas Unit G-6-211871 | Proline Energy Resources Inc only | Beckville (Cotton Valley) | Rusk | 1 | 502 | 77.3K | Jun 2005 – Aug 2026 |
| Lanier Estate G-4-253316 | Proline Energy Resources Inc only | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 500 | 310K | Feb 2009 – Aug 2024 |
| Veale Ranch G-8-213515 | BKV Barnett, LLC only | Winston Ranch (Big Saline) | Parker | 1 | 496 | 245K | Sep 2005 – Jan 2026 |
| Areto-Solar O-4-13194 | American Shoreline, Inc. only | White Point, E. (5650) | San Patricio | 1 | 492 | 0 | Nov 2003 – Aug 2004 |
| Webb County School Board G-4-194534 | Proline Energy Resources Inc only | Mancho Prado (L-1) | Webb | 1 | 492 | 171K | Apr 2003 – Jun 2026 |
| Caroline O-9-18619 | Enrich Oil Corporation only | WFM (Goen Lime) | Runnels | 1 | 490 | 1.33K | Aug 2014 – Feb 2015 |
| Leveridge, W. C. et UX -A- G-3-172027 | Southeastern Pipe Line Company only | Bernard, East (7700) | Wharton | 1 | 485 | 105K | Jan 1999 – Dec 2011 |
| Leveridge, A. T. et UX G-3-193382 | Southeastern Pipe Line Company only | Bernard, East (7600) | Fort Bend | 1 | 484 | 7.87K | Dec 2002 – Dec 2008 |
| Blair G-8-115503 | Hilltop Petroleum LLC only | Mineral Wells,north (Big Saline) | Palo Pinto | 1 | 483 | 553K | by Jan 1993 – Sep 2025 |
| Cee Bar Ranch "C" G-8-126958 | Hexagon Oil and Gas Inc. only | Big Sunday Creek (Big Saline) | Erath | 1 | 482 | 470K | by Jan 1993 – Aug 2016 |
| Bird G-3-287985 | Proline Energy Resources Inc only | Caldwell (Austin Chalk) | Burleson | 1 | 480 | 6.53K | Jul 2019 – Jul 2024 |
| Wright, W.B. "A" G-8-126396 | Anderson Production only | Bankline-Evans Lake | Eastland | 1 | 480 | 84K | by Jan 1993 – Aug 2026 |
| Ross, Grady G-6-222176 | Proline Energy Resources Inc only | Beckville (Cotton Valley) | Rusk | 1 | 479 | 338K | Jul 2006 – Mar 2026 |
| Thomas GU G-6-214484 | Proline Energy Resources Inc only | Beckville (Cotton Valley) | Rusk | 1 | 477 | 319K | Aug 2005 – Aug 2026 |
| Mer-Mag Bryson WF Unit O-13-3801 | Borderline Operating Corp. only | Mer-Mag (Bryson) | Jack | 7 | 471 | 42 | by Jan 1993 – Sep 1994 |
| O'Connor Ranch "R" G-2-180882 | Proline Energy Resources Inc only | Oconnor Ranch (Frio Cons.) | Goliad | 1 | 470 | 1.12M | Oct 2000 – Dec 2025 |
| Nash-Murphy Unit O-8-29993 | Borderline Operating Corp. only | Graford, N. (Ellenburger) | Palo Pinto | 1 | 468 | 52.7K | Jul 2007 – Jun 2010 |
| Gruy, V. K. G-4-116956 | Proline Energy Resources Inc only | Gruy (Wilcox) | Duval | 1 | 467 | 5.63M | by Jan 1993 – Aug 2026 |
| Bouldin, Pauline O-1-11506 | Seger Ranch Oil Co. only | Bouldin (Recklaw B) | Gonzales | 1 | 465 | 62 | by Jan 1993 – Dec 1998 |
| Bays-Decker Unit G-8-189175 | DMV Pipeline LLC only | Desdemona, E. (Marble Falls) | Erath | 1 | 464 | 176K | Mar 2002 – Feb 2020 |
| Ludeman, C. G. "B" G-10-111088 | Endeavor Energy Resources L.P. only | Linebery (Strawn) | Loving | 1 | 460 | 261K | by Jan 1993 – Feb 2013 |
| Leveridge, M. Dorris G-3-126418 | Southeastern Pipe Line Company only | Bernard, East (8000) | Wharton | 1 | 459 | 339K | by Jan 1993 – Sep 1997 |
| Ross, D. GU G-6-214485 | Proline Energy Resources Inc only | Beckville (Cotton Valley) | Rusk | 1 | 459 | 94.6K | Jul 2005 – Nov 2022 |
| Pool, J.J. G-6-222046 | Proline Energy Resources Inc only | Beckville (Cotton Valley) | Rusk | 1 | 459 | 196K | Jun 2006 – Aug 2026 |
| Irt "21" G-10-223140 | Incline Energy only | Pecos Valley (Devonian) | Pecos | 1 | 458 | 59.4K | Aug 2006 – Oct 2010 |
| Strong, C.W. Gas Unit G-6-211409 | Proline Energy Resources Inc only | Beckville (Cotton Valley) | Rusk | 1 | 451 | 248K | May 2005 – Aug 2026 |
| Welder Ranch G-4-136389 | Proline Energy Resources Inc only | O'Neil (6900) | San Patricio | 1 | 449 | 151K | by Jan 1993 – Oct 1998 |
| Dulin, A. G-8-229288 | Gerry-Mac Oil, Inc. only | Bankline-Owen | Eastland | 1 | 445 | 29.7K | Jun 2007 – Aug 2026 |
| Walsh Ranch West G-8-236600 | Walsh & Watts, Inc. only | Walsh Ranch (Lower Big Saline) | Parker | 1 | 444 | 77.3K | Sep 2007 – Nov 2007 |
| Weise, Bruce G-2-212488 | Coastline Exploration, Inc. only | Weesatche, West (Cook Mt.) | Goliad | 1 | 443 | 129K | May 2005 – Feb 2011 |
| Leatherman G-8-101306 | Somerset Operating, LLC only | Bethesda (Big Saline) | Parker | 1 | 443 | 728K | by Jan 1993 – Jun 2026 |
| Lewis, Frank G-6-222174 | Proline Energy Resources Inc only | Beckville (Cotton Valley) | Rusk | 1 | 441 | 129K | Jul 2006 – Aug 2026 |
| Sullivan, Pauline G. "A" G-13-145343 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 439 | 3.16M | May 1993 – Aug 2026 |
| Brown, Lupton G-13-79189 | Borderline Operating Corp. only | Boonsville (Bend Congl., Gas) | Jack | 1 | 436 | 233K | by Jan 1993 – Aug 2026 |
| Hilliard Gas Unit O-6-15638 | Proline Energy Resources Inc only | Oak Hill (Travis Peak) | Rusk | 1 | 433 | 17.7K | Sep 2018 – Mar 2023 |
| Dulin, A G-8-229290 | Gerry-Mac Oil, Inc. only | Bankline-Owen | Eastland | 1 | 432 | 29.1K | Jun 2007 – Aug 2026 |
| Dulin, A. G-8-229292 | Gerry-Mac Oil, Inc. only | Bankline-Owen | Eastland | 1 | 430 | 29.1K | Jun 2007 – Aug 2026 |
| Hart Ranch G-8-84706 | Lexgas, Inc. only | Mineral Wells,north (Big Saline) | Palo Pinto | 1 | 430 | 19.8K | by Jan 1993 – Feb 2006 |
| Fears G-8-127218 | Hexagon Oil and Gas Inc. only | Big Sunday Creek (Big Saline) | Erath | 1 | 427 | 491K | by Jan 1993 – Apr 2016 |
| Cee Bar Ranch "O" G-8-127428 | Hexagon Oil and Gas Inc. only | Big Sunday Creek (Big Saline) | Erath | 1 | 426 | 490K | by Jan 1993 – Mar 2026 |
| Cee Bar Ranch "I" G-8-121678 | Hexagon Oil and Gas Inc. only | Big Sunday Creek (Big Saline) | Erath | 1 | 425 | 391K | by Jan 1993 – Dec 2012 |
| Beaurline, A W G-4-160727 | Fargo Oil & Gas, LLC only | Los Indios, W. (UF-50) | Hidalgo | 1 | 424 | 951K | Feb 1996 – Jun 2012 |