| Hamilton Trust A-405 G-2-277905 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 336K | 1.38M | May 2015 – Apr 2026 |
| Hamilton Trust A-405 G-2-270246 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 295K | 1.11M | Jul 2013 – Apr 2026 |
| Hamilton Trust A-405 G-2-259352 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 294K | 1.08M | Aug 2010 – Jan 2016 |
| Hamilton Trust A-405 G-2-277912 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 278K | 1.19M | May 2015 – Mar 2026 |
| Hamilton Trust a 405 G-2-276972 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 274K | 1.12M | Nov 2014 – Apr 2026 |
| Hamilton Trust A-405 G-2-277480 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 271K | 1.18M | May 2015 – Mar 2026 |
| Hamilton Trust A-405 G-2-277910 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 268K | 1.14M | May 2015 – Feb 2026 |
| Hamilton Trust A-405 G-2-277479 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 250K | 1.08M | May 2015 – Feb 2026 |
| Courson Parnell 405 G-14-246377 | Highmark Energy Operating, LLC only | Dutcher (Atoka) | Ochiltree | 1 | 4.69K | 500K | May 2008 – Apr 2026 |
| State Tract 405-LN/2 SE/4 G-3-224098 | Black Pool Energy, LP only | Brazos Block 405 (10,040 Sand) | Brazos-LB | 1 | 2.69K | 3.17M | Aug 2006 – Oct 2018 |
| Black "A" G-8-236664 | Delta Oil & Gas Ltd. only | Knight (Duffer, Lo. 4050) | Stephens | 1 | 2.04K | 61.3K | Nov 2007 – Apr 2026 |
| Kirby Lumber Co. G-3-223945 | Arcadia Operating, LLC only | Ace (4050) | Polk | 1 | 1.1K | 63.8K | Nov 2006 – Nov 2012 |
| Martinez B G-4-191593 | Hilcorp Energy Company only | Rincon, North (4050) | Starr | 1 | 483 | 70.6K | Aug 2002 – Jul 2007 |
| Knight, Amos G-8-109347 | Delta Oil & Gas Ltd. only | Knight (Duffer, Lo. 4050) | Stephens | 1 | 449 | 30.3K | Jan 1993 – Sep 2002 |
| Timberstar-Kimbro 405 G-6-244280 | Buckhorn Operating LLC only | Angie (James Lime) | Shelby | 1 | 394 | 1.42M | Oct 2008 – Apr 2026 |
| Brad Townsite G-8-111228 | Dynamic Production, Inc. only | Richardson (4050) | Palo Pinto | 1 | 377 | 128K | Jan 1993 – Jul 2004 |
| Harkins-O'Brien "B" G-2-173478 | Charro Operating, L.L.C. only | Blanconia, N. (Sinton 4050) | Goliad | 1 | 269 | 811K | Feb 1999 – Apr 2004 |
| Lehrer Sec. 18 G-3-190405 | Dewbre Petroleum Corporation only | Wharco Shilling (Frio 4050) | Wharton | 1 | 234 | 239K | Aug 2002 – Aug 2005 |
| Welder "D" G-4-153772 | Sandalwood Oil & Gas, Inc. only | Portilla (4050) | San Patricio | 1 | 103 | 283K | May 1995 – Feb 1998 |
| Haralson,ella -A- G-8-118689 | Blackbird R 22 OG L.L.C. only | Jill, N. (Congl. 4050) | Stephens | 1 | 32 | 159K | Jan 1993 – Sep 2025 |
| Welder Shouse G-4-234621 | Sandalwood Exploration, L.P. only | Portilla (4050) | San Patricio | 1 | 28 | 238K | Feb 2008 – Nov 2009 |
| Slemmons "28" G-8-121859 | Dynamic Production, Inc. only | Richardson (4050) | Palo Pinto | 1 | 23 | 59.7K | Jan 1993 – Dec 2019 |
| Reynolds, Carl G-3-159737 | Adobe Energy, Inc. only | Bonus (4050) | Wharton | 1 | 17 | 84.1K | Jul 1996 – Aug 2000 |
| Harkins - O'Brien "B" G-2-173476 | Charro Operating, L.L.C. only | Blanconia, N. (Sinton 4050) | Goliad | 1 | 10 | 234K | Jan 1999 – Jun 2001 |
| Heard, C. E. 'B' G-2-266677 | Lakeshore Operating, LLC only | Heard Ranch (4050) | Bee | 1 | 1 | 299K | Mar 2012 – Apr 2026 |
| Terrell "A" G-2-176350 | Petra Oleum Corp. only | Coleto Creek (4050) | Victoria | 1 | 1 | 155K | Jan 2000 – Oct 2005 |
| 405 L Unit G-3-40748 | Dreyfus, Louis Natural Gas Corp only | Brazos Block 405 (-B- Sd.) | Brazos-LB | 1 | 0 | 136 | Feb 1993 – Feb 1993 |
| 405 L Unit G-3-40756 | Dreyfus, Louis Natural Gas Corp only | Brazos Block 405 (-B- Sd.) | Brazos-LB | 1 | 0 | 0 | — |
| 405 L Unit G-3-40757 | Dreyfus, Louis Natural Gas Corp only | Brazos Block 405 (-B- Sd.) | Brazos-LB | 1 | 0 | 456 | Feb 1993 – Feb 1993 |
| 405 L Unit G-3-40899 | Dreyfus, Louis Natural Gas Corp only | Brazos Block 405 (-D- Sd.) | Brazos-LB | 1 | 0 | 0 | — |
| 405 L Unit G-3-40902 | Dreyfus, Louis Natural Gas Corp only | Brazos Block 405 (-C- Sd.) | Brazos-LB | 1 | 0 | 0 | — |
| 405 L Unit G-3-40903 | Dreyfus, Louis Natural Gas Corp only | Brazos Block 405 (-C- Sd.) | Brazos-LB | 1 | 0 | 0 | — |
| 405 L Unit G-3-40905 | Dreyfus, Louis Natural Gas Corp only | Brazos Block 405 (-C- Sd.) | Brazos-LB | 1 | 0 | 0 | — |
| 405 L Unit G-3-40908 | Dreyfus, Louis Natural Gas Corp only | Brazos Block 405 (-W- Sd.) | Brazos-LB | 1 | 0 | 0 | — |
| 405 L Unit G-3-51666 | Dreyfus, Louis Natural Gas Corp only | Brazos Block 405 (-B- Sd.) | Brazos-LB | 1 | 0 | 0 | — |
| 405 L Unit G-3-75512 | American Exploration Company only | Brazos Block 405 (-A-Sd.) | Brazos-LB | 1 | 0 | 0 | — |
| Ellisor, Era Mae G-3-104592 | Brave Heart Resources, Inc. only | Old Waverly (Yegua 4050) | San Jacinto | 1 | 0 | 0 | — |
| McFaddin G-2-2763 | S N D Energy Company, Inc. only | McFaddin (4050) | Victoria | 1 | 0 | 0 | — |
| Winterman -A- G-3-127104 | Proline Energy Resources Inc only | Bonus (4050) | Wharton | 1 | 0 | 0 | — |
| State Tract 405-L G-3-127709 | American Exploration Company only | Brazos Block 405 (E Sd. FB A) | Brazos-LB | 1 | 0 | 95 | Jan 1993 – Feb 1993 |
| State Tract 405-L G-3-127747 | American Exploration Company only | Brazos Block 405 ( E Sd. FB-B) | Brazos-LB | 1 | 0 | 0 | — |
| State Tract 404-L G-3-128146 | American Exploration Company only | Brazos Block 405 (D Sd. FB B-3) | Brazos-LB | 1 | 0 | 0 | — |
| Magnolia Realty G-3-129250 | Tortuga Operating Company only | Tomball (Vicksburg 4050) | Harris | 1 | 0 | 121K | May 2001 – Apr 2026 |
| Massey-Ferguson Unit G-3-135170 | SK & Co. Oil and Gas Oper., LLC only | Old Waverly (Yegua 4050) | San Jacinto | 1 | 0 | 163K | Jan 1993 – Jun 1996 |
| Le Tulle, Clara G-3-153351 | Progas Properties, Inc. only | Oyster Lake (Frio 4050) | Matagorda | 1 | 0 | 233K | Sep 1994 – Jan 1997 |
| Brazos Block 478-L G-3-171277 | Dreyfus, Louis Natural Gas Corp only | Brazos Block 405 (-D- Sd.) | Brazos-LB | 1 | 0 | 1.73M | Nov 1998 – Jul 2000 |
| Tomball Gas Unit 2 G-3-173583 | Americo Energy Resources, LLC only | Tomball (Vicksburg 4050) | Harris | 1 | 0 | 618K | Mar 1999 – Jan 2012 |
| Luby, J. P. G-4-50364 | Texaco E & P Inc. only | Luby ( 4050 Stringer) | Nueces | 1 | 0 | 0 | — |
| Shaffer, K. L. NCT-2 G-4-51435 | Texaco E & P Inc. only | Luby ( 4050 Stringer) | Nueces | 1 | 0 | 0 | — |
| State Tract 405 G-4-56877 | Pioneer Exploration Company only | Mustang Island ( 8 Sand) | Nueces | 1 | 0 | 0 | — |