| Witmer-Price G-3-200665 | Elliott Oil & Gas Operating Co. only | Arcola (6600 Frio) | Brazoria | 1 | 588 | 33.2K | Feb 2004 – Aug 2004 |
| Isabel B. Martin Unit O-3-23728 | Tristar Exploration, Inc only | Chenango (8700) | Brazoria | 1 | 587 | 0 | Aug 1999 – Dec 1999 |
| Munson Unit G-3-183526 | Alpine Resources, Inc. only | Angleton, South (12,100 Frio) | Brazoria | 1 | 573 | 126K | Mar 2001 – May 2001 |
| Lockhart Bank Unit No. 1 G-3-4955 | Calpine Natural Gas L.P. only | Alvin, South (#46) | Brazoria | 1 | 565 | 608K | by Jan 1993 – May 2002 |
| Ralph-Miller G-3-119120 | Standard Resources Corp. only | Collins Lake, S. (Frio 9650) | Brazoria | 1 | 563 | 262K | by Jan 1993 – Dec 1996 |
| Wallace, May W. O-3-5853 | Terry Enterprises, Inc. only | Damon Mound | Brazoria | 1 | 562 | 18 | by Jan 1993 – Apr 1997 |
| Ankenman Family G-3-199008 | Noble Energy Inc only | Angleton, S. (Frio 13 FB-B) | Brazoria | 1 | 562 | 13.7K | Dec 2003 – May 2004 |
| Old Ocean Unit G-3-120921 | Hilcorp Energy Company only | Old Ocean (Armstrong) | Brazoria | 1 | 557 | 33.4K | Jun 1995 – Nov 1995 |
| Darrington Unit G-3-191105 | Noble Energy Inc only | Sandy Point, W. (6400) | Brazoria | 1 | 555 | 75K | Oct 2002 – Jun 2003 |
| Gann G-3-200919 | Aspect Energy, LLC only | Collins Lake (Frio, Upper) | Brazoria | 1 | 547 | 68.5K | Jul 2004 – May 2009 |
| Alligator Point Unit G-3-140619 | SDG Operating Company, Inc only | Alligator Point (Miocene 6380) | Brazoria | 1 | 545 | 552K | by Jan 1993 – Feb 2008 |
| Black Stone G-3-219705 | Neumin Production Company only | Martin Ranch (Frio 14,600) | Brazoria | 1 | 536 | 42.5K | Nov 2005 – Mar 2006 |
| Houston FF G-3-68128 | Elliott Oil & Gas Company only | Chocolate Bayou, S. (Banfield) | Brazoria | 1 | 530 | 74.7K | by Jan 1993 – Feb 1995 |
| Rudy-Bradco, Manuel G-3-176210 | Rockoil Energy of Texas, Inc. only | Rowan, South (9500) | Brazoria | 1 | 513 | 56.5K | Jan 2000 – Dec 2000 |
| Haynes, Marie B. G-3-181531 | Nadsoilco LLC only | Chenango, West (8100) | Brazoria | 1 | 502 | 35.1K | Mar 2001 – Apr 2004 |
| Old Ocean Unit G-3-136293 | Amoco Production Company only | Old Ocean (Armstrong) | Brazoria | 1 | 501 | 235K | by Jan 1993 – Jul 1993 |
| Christian, C. D. Unit G-3-140034 | Brazos Petroleum, Inc. only | Old Ocean, East (10450) | Brazoria | 1 | 495 | 114K | by Jan 1993 – Nov 1994 |
| Wilson, R.K. Gas Unit No. 1 G-3-162439 | Dune Operating Company only | Chocolate Bayou ( Schenck) | Brazoria | 1 | 495 | 48.8K | Feb 1997 – Jun 1997 |
| Old Ocean Unit G-3-130426 | Hilcorp Energy Company only | Old Ocean (Armstrong) | Brazoria | 1 | 469 | 29K | by Jan 1993 – Jul 1995 |
| Pledger GU 1 G-3-189218 | Texas Petroleum Investment Co. only | Pledger (Frio 6500-6800) | Brazoria | 1 | 456 | 983K | May 2002 – Jul 2009 |
| Banfield O-3-22216 | Ultra Oil & Gas, Inc. only | Chocolate Bayou ( Rycade Sd. VI) | Brazoria | 1 | 450 | 9.31K | Oct 1993 – Jan 1994 |
| Caldwell G-3-278036 | Pic Operating, LLC only | Arcola (7700 Frio) | Brazoria | 1 | 450 | 16.6K | Jul 2014 – Sep 2014 |
| Pledger GU 1 G-3-85635 | Texas Petroleum Investment Co. only | Pledger (Frio 7260) | Brazoria | 1 | 441 | 298K | May 1997 – May 2002 |
| Caves, Wm. O-3-10328 | Terry Enterprises, Inc. only | Damon Mound | Brazoria | 1 | 440 | 18 | by Jan 1993 – Apr 1997 |
| Glasscock, Mabel R. G-3-114826 | Brammer Supply, Inc. only | Collins Lake, S. (Frio 9450) | Brazoria | 1 | 439 | 78.1K | by Jan 1993 – Dec 1996 |
| Kirshner Heirs G-3-173639 | Sue-Ann Operating, L.C. only | Old Ocean North (9750) | Brazoria | 1 | 433 | 52.2K | Jun 1999 – Dec 2001 |
| Corbett O-3-561 | McGowan Working Partners, Inc. only | Bonney (7600 Sand) | Brazoria | 2 | 427 | 19 | by Jan 1993 – Sep 1994 |
| Old Ocean Unit G-3-7677 | Hilcorp Energy Company only | Old Ocean (Larsen) | Brazoria | 1 | 427 | 67.7K | Sep 2001 – Dec 2007 |
| Strickland O-3-24111 | Texcal Energy (GP) LLC only | Alvin, North (8550) | Brazoria | 1 | 420 | 0 | Jun 2000 – Jul 2002 |
| Graham J. M. et Al G-3-121304 | Magnum Producing, LP only | Four Corners (Frio F-28) | Brazoria | 1 | 419 | 13.8K | by Jan 1993 – Jul 1993 |
| Purcell, Thomas O-3-24588 | Noble Energy Inc only | Rowan, N. (Frio, Upper 9600) | Brazoria | 1 | 417 | 0 | Jul 2004 – Aug 2004 |
| Wieting, A. M. G-3-184074 | White Marlin Operating Co, LLC only | Chocolate Bayou ( Banfield) | Brazoria | 1 | 413 | 107K | Jun 2001 – May 2003 |
| Ramsey State Farm Tract -G- G-3-6939 | Brown, George R. Partnership,the only | Lochridge (Miocene E-2) | Brazoria | 1 | 413 | 194K | by Jan 1993 – Jul 1996 |
| Wilson, R. K. Gas Unit No. 1 G-3-148614 | Texaco E & P Inc. only | Chocolate Bayou (Frio R-1) | Brazoria | 1 | 393 | 17.2K | Nov 1993 – Nov 1993 |
| Rucks, A. R. Fee O-3-23194 | TC Oil and Gas, LLC only | Danbury, SW. (11,480) | Brazoria | 1 | 391 | 16.1K | Aug 1996 – Dec 1996 |
| Old Ocean Unit G-3-212143 | Hilcorp Energy Company only | Old Ocean (F-6) | Brazoria | 1 | 389 | 22.6K | Sep 2003 – May 2005 |
| Old Ocean Unit G-3-7692 | Hilcorp Energy Company only | Old Ocean (F- 7) | Brazoria | 1 | 376 | 484K | by Jan 1993 – Jan 1997 |
| Todd G-3-158753 | Gaither Petroleum Corporation only | Liverpool (11,400) | Brazoria | 1 | 366 | 20.1K | May 1996 – Oct 1996 |
| Martin, Isabel B. Unit G-3-138871 | Cavalier Oil & Gas, Inc. only | Chenango (8100 Frio) | Brazoria | 1 | 349 | 0 | May 1999 – May 1999 |
| Price, J. E., Jr., et Al G-3-184192 | Keene, Roy J. Jr. only | Danbury Dome (5655 Sand) | Brazoria | 1 | 331 | 24.5K | Jun 2001 – Jul 2002 |
| Baldwin Nash Young G-3-122100 | Live Oak Reserves, Inc. only | Bell Lake (9800) | Brazoria | 1 | 330 | 167K | by Jan 1993 – Apr 1996 |
| Price, Joe. Unit O-3-14254 | LTS Oil & Gas only | Rowan,n (Frio 10,400) | Brazoria | 1 | 329 | 1.14K | by Jan 1993 – Jul 2013 |
| Darst, Weldon O-3-15788 | Boling Production Company, Inc. only | Damon Mound | Brazoria | 1 | 328 | 25 | by Jan 1993 – Jun 1998 |
| Chenango Limited et al Gas Unit G-3-85796 | Zinn Petroleum Co. only | Chenango, West (8050) | Brazoria | 1 | 325 | 47.7K | by Jan 1993 – Jun 1996 |
| Wisdom, Belle, Estate O-3-6104 | Shifflett, Norman E. only | Damon Mound, East (FLT BLK 1) | Brazoria | 2 | 323 | 12 | by Jan 1993 – Jun 1994 |
| Lockhart Bank Unit 1 G-3-169078 | Calpine Natural Gas Company only | Alvin, South (#38) | Brazoria | 1 | 310 | 796K | Apr 1998 – Jul 2001 |
| Smith, T. L., Jr. -a- NCT-1 O/A O-3-4510 | Chevron U. S. A. Inc. only | West Columbia New | Brazoria | 4 | 308 | 6 | by Jan 1993 – Jun 1993 |
| Ramsey Prison Farm G-3-120339 | Hydrocarbon Management, Inc. only | Bell Lake (9800) | Brazoria | 1 | 304 | 139K | by Jan 1993 – Mar 1994 |
| Vieman, L. D.-State GU G-3-176011 | EOG Resources, Inc. only | Bell Lake (10,000 Sand) | Brazoria | 1 | 302 | 14.5K | Aug 1999 – Nov 1999 |
| Northrup G-3-127088 | Alegre Energy, Inc. only | Chenango (8000) | Brazoria | 1 | 296 | 39.4K | by Jan 1993 – Mar 2005 |