| Chambers O-13-24034 | Allen, C. L. (Doie) only | Paine-McGaw (Strawn) | Montague | 5 | 13.1K | 19K | by Jan 1993 – Jul 1999 |
| Chambers, M. O-8-19390 | Cross Cut Petroleum, LLC only | Dale (Caddo) | Brown | 3 | 12.1K | 44.1K | by Jan 1993 – Aug 2026 |
| Lotspeich -A- O-10-27378 | Chambers Operating, Inc. only | Iatan, East Howard | Mitchell | 2 | 12K | 23 | by Jan 1993 – Feb 2000 |
| Chambers, M. O-8-14088 | Cross Cut Petroleum, LLC only | Brown County Regular | Brown | 1 | 11.4K | 59.8K | by Jan 1993 – Aug 2026 |
| Frank M. Chambers et al "A" G-14-266619 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 11.1K | 551K | Dec 2011 – Aug 2026 |
| Chambers, W. R. O-8-17943 | KLH Oil & Gas, Inc. only | Dale (Marble Falls) | Brown | 1 | 10.3K | 32.6K | by Jan 1993 – Aug 2026 |
| Chambers, Frank M. G-14-174107 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 8.58K | 281K | Aug 1999 – Jan 2018 |
| Chambers, Myrtle O-3-23407 | Low-End Oil LLC only | Liberty, South | Liberty | 3 | 8.44K | 95 | Jun 1998 – May 2012 |
| Chambers CSL O-9-19125 | Kstone Energy, LLC only | Vaughn Consolidated | Crockett | 3 | 8.24K | 0 | Apr 2015 – Aug 2026 |
| Chambers CSL G-9-179891 | Thompson, J. Cleo only | Vaughn (Ellenburger) | Crockett | 1 | 8.08K | 96.6K | Sep 2000 – May 2005 |
| Chambers Ranch G-14-238558 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 6.56K | 513K | Sep 2008 – Aug 2026 |
| Chambers O-13-24562 | Texxol Operating Company, Inc. only | Chico, West (Caddo Congl. Upper) | Wise | 1 | 6.53K | 181K | by Jan 1993 – Jan 2005 |
| Chambers G-14-173518 | Bce-Mach II LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 6.32K | 474K | Jul 1999 – Aug 2026 |
| Chambers G-14-100610 | Bce-Mach II LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 6.3K | 334K | by Jan 1993 – Jul 2016 |
| Chambers O-8-23013 | Interstate Explorations LLC only | Brown County Regular | Brown | 4 | 6.27K | 14 | by Jan 1993 – Aug 2026 |
| Chambers, Frank M. G-14-118404 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 6.03K | 598K | by Jan 1993 – Jan 2013 |
| Chambers Ranch O-14-4467 | Continental Trend Resources, Inc only | Mendota, NW. (Granite Wash) | Roberts | 1 | 5.31K | 83.3K | by Jan 1993 – Jun 1998 |
| Chambers -119- O-14-6923 | Alpar Resources, Inc. only | Alpar Pool (Tonkawa) | Roberts | 2 | 5.29K | 1.03K | Aug 1993 – May 1996 |
| Chambers, W. H. G. O-8-161 | Interstate Explorations LLC only | Brown County Regular | Brown | 1 | 5.07K | 19 | by Jan 1993 – Aug 2026 |
| Chambers O-6-15550 | Valence Operating Company only | Girlie Caldwell (Goodland LM) | Smith | 1 | 4.92K | 33.1K | Jun 2017 – Aug 2026 |
| Chambers CSL O-9-14451 | Venus Exploration, Inc. only | Midway Lane | Crockett | 1 | 4.66K | 41.8K | Sep 1996 – Feb 2000 |
| Chambers "B" G-14-274303 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 4.56K | 195K | Jun 2013 – Aug 2026 |
| Chambers, Frank M. G-14-164424 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 4.52K | 357K | May 1997 – Jan 2022 |
| Chambers, W.R. "F" O-8-22795 | KLH Oil & Gas, Inc. only | Dale (Caddo) | Brown | 1 | 4.39K | 21.2K | by Jan 1993 – Jul 2006 |
| Chambers "B" G-14-269993 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 4.36K | 186K | Jun 2013 – Aug 2026 |
| Chambers, Geo. W. G-13-139795 | BKV Barnett, LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 4.33K | 590K | by Jan 1993 – Aug 2026 |
| Chambers C G-14-91329 | Tecolote Energy Operating, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 4.05K | 362K | by Jan 1993 – Nov 2015 |
| Chambers C G-14-109890 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 3.61K | 390K | by Jan 1993 – Mar 2014 |
| Chambers "A" O-8-32728 | Sojourner Drilling Corporation only | Weinert, W. (Strawn) | Haskell | 1 | 3.6K | 0 | Nov 2023 – Jul 2026 |
| Chambers C G-14-74718 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 3.54K | 465K | by Jan 1993 – Aug 2026 |
| Chambers, Frank M. G-14-76877 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 3.16K | 229K | by Jan 1993 – Oct 2013 |
| Chambers -B- O-14-6413 | Amoco Production Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 3.1K | 132K | by Jan 1993 – Jul 1999 |
| Chambers, F.M. O-14-5466 | BP America Production Company only | Miami, N. (Douglas, Lo. -B-) | Roberts | 4 | 3.03K | 56.3K | by Jan 1993 – Aug 1997 |
| Chambers, Martha O-8-6018 | Callaway Production, LLC only | Brown County Regular | Brown | 4 | 2.93K | 102 | by Jan 1993 – Jun 2001 |
| Chambers C S L G-9-38341 | Kaiser-Francis Oil Company only | Midway Lane (Atoka) | Crockett | 1 | 2.74K | 734K | by Jan 1993 – Jul 2019 |
| Boyd-Eanes "A" O-3-627 | WDB Oil Company only | Chambers (Navarro) | Burleson | 1 | 2.46K | 19 | by Jan 1993 – May 2023 |
| Chambers "E" O-8-17312 | KLH Oil & Gas, Inc. only | Dale (Caddo) | Brown | 1 | 2.35K | 16.5K | by Jan 1993 – Jul 2006 |
| Chambers, Frank M. et al "A" O-14-5468 | Crescendo Resources, L.P. only | Miami, N. (Douglas, Lo. -B-) | Roberts | 1 | 2.17K | 63.5K | by Jan 1993 – Oct 1996 |
| Chambers "D" O-8-17311 | KLH Oil & Gas, Inc. only | Dale (Caddo) | Brown | 1 | 2.12K | 16.6K | by Jan 1993 – Jul 2006 |
| Chambers County O-3-173 | Sandpoint Texas LLC only | Barbers Hill | Chambers | 4 | 2.07K | 20 | by Jan 1993 – May 2004 |
| Chambers, Myrtle O-3-7152 | Velt Energie, Inc. only | Liberty, South | Liberty | 9 | 1.98K | 0 | Jul 1994 – Oct 1995 |
| Chambers 9 G-14-238536 | Texakoma E & P, LLC only | St. Clair (Granite Wash) | Roberts | 1 | 1.89K | 74.4K | May 2008 – Sep 2021 |
| Shoemaker, Clara -A- O-10-26232 | McKenney & Chambers Oil Company only | Westbrook, East (Clear Fork) | Mitchell | 1 | 1.75K | 21 | by Jan 1993 – Feb 1997 |
| Chambers Etal O-13-20229 | Pursley, John only | Maryetta, SE. (Congl) | Jack | 1 | 1.52K | 20.5K | by Jan 1993 – Jan 2004 |
| Chambers, J. M. Est O-9-11163 | Buena Ventura Operating Company only | Denis (Canyon) | Tom Green | 1 | 1.22K | 91 | by Jan 1993 – Jul 2001 |
| Shoemaker -A- O-10-29807 | McKenney & Chambers Oil Company only | Westbrook, East (Clear Fork) | Mitchell | 1 | 1.2K | 22 | by Jan 1993 – Feb 1997 |
| Keel, Pruitt O-10-24140 | McKenney & Chambers Oil Company only | Westbrook, East (Clear Fork) | Mitchell | 3 | 1.17K | 21 | by Jan 1993 – Feb 1997 |
| Chambers, Frank M. G-14-286566 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 1.16K | 62.9K | Dec 2018 – Aug 2026 |
| Chambers O-3-22167 | Good Ol'boys Oil Company only | Turtle Bay (F-1A) | Chambers | 1 | 1.1K | 26 | Sep 1993 – Oct 1997 |
| Chambers, Frank M. G-14-286565 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 999 | 98.7K | Dec 2018 – Aug 2026 |