| Mahler, Fields O-14-5811 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 9 | 177K | 3.13M | Jan 1993 – Apr 2026 |
| Mahler O-14-5257 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 8 | 119K | 2.5M | Jan 1993 – May 2012 |
| Chambers -A- O-14-5902 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 4 | 57.5K | 3.66M | Jan 1993 – Apr 2026 |
| Chambers O-14-5769 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 4 | 54.4K | 2.57M | Jan 1993 – Apr 2026 |
| Flowers "B" O-14-6298 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 42.3K | 1.67M | Jan 1993 – Apr 2026 |
| Chambers "B" O-14-5927 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 4 | 39.4K | 1.79M | Jan 1993 – Apr 2026 |
| Waterfield "C" O-14-5389 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 6 | 30.6K | 820K | Jan 1993 – Mar 2019 |
| Mahler "B" O-14-7844 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 29.1K | 228K | Feb 2008 – May 2010 |
| Chambers, Frank M. et al "C" O-14-6074 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 3 | 24.5K | 1.6M | Jan 1993 – May 2013 |
| McMordie "206" O-14-6438 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 23.4K | 1.1M | Jan 1993 – Apr 2026 |
| Flowers Trust "A" O-14-6329 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 22K | 1.19M | Jan 1993 – Apr 2026 |
| Waterfield O-14-6180 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 3 | 21.8K | 943K | Jan 1993 – Feb 2017 |
| Mahler 'A' O-14-4995 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 19.2K | 331K | Jan 1993 – Feb 2023 |
| Waterfield "A" O-14-7782 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 3 | 18.6K | 443K | Jun 2007 – May 2010 |
| Chambers, Frank M. et al "A" O-14-6265 | BP America Production Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 18.2K | 1.16M | Jan 1993 – Nov 2018 |
| Vollmert "C" O-14-7779 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Hemphill | 2 | 16.5K | 531K | Jul 2007 – Aug 2008 |
| Mahler "C" O-14-7909 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 16.2K | 185K | Jun 2008 – May 2010 |
| Flowers, Vernon M. Estate O-14-4778 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 15.9K | 405K | Jan 1993 – Jan 2017 |
| Flowers "A" O-14-6310 | Devon Energy Production Co, L.P. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 15.6K | 641K | Jan 1993 – Oct 2013 |
| Vollmert "B" O-14-7706 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 15.5K | 201K | Nov 2006 – May 2010 |
| McMordie O-14-6105 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 14K | 230K | Jan 1993 – Feb 2015 |
| Mendota Ranch 36 O-14-7636 | Samson Lone Star, LLC only | Mendota, NW. (Granite Wash, SW.) | Hemphill | 1 | 13.4K | 156K | Apr 2006 – Jan 2008 |
| Vollmert "C" G-14-233988 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 11.9K | 760K | Jan 2008 – Sep 2016 |
| J. C. Vollmert O-14-7950 | BP America Production Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 11.8K | 174K | Dec 2008 – May 2009 |
| Flowers, Vernon M. O-14-7939 | BP America Production Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 9.99K | 220K | May 2008 – Nov 2017 |
| Waterfield "B" O-14-5692 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 3 | 9.03K | 267K | Jan 1993 – Jun 2010 |
| Webb "T" O-14-7774 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Hemphill | 2 | 8.61K | 85.4K | Apr 2007 – Aug 2010 |
| Waterfield, J. B. O-14-7921 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 8.45K | 87K | Dec 2007 – Nov 2009 |
| Flowers -C- G-14-111050 | Devon Energy Production Co, L.P. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 6K | 626K | Jan 1993 – Nov 2006 |
| Mahler O-14-4692 | Whiting Oil and Gas Corporation only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 5.65K | 65K | Jul 1993 – Nov 2010 |
| Pennington "B" O-14-7940 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 4.78K | 135K | Nov 2008 – Sep 2014 |
| Flowers -D- G-14-163158 | Devon Energy Production Co, L.P. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 3.58K | 210K | Aug 1996 – Oct 2009 |
| Flowers -D- G-14-147994 | Seagull Midcon Inc. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 3.12K | 84.3K | Nov 1993 – Oct 1997 |
| Chambers -B- O-14-6413 | Amoco Production Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 3.1K | 132K | Jan 1993 – Jul 1999 |
| Flowers, B. G-14-75645 | Devon Energy Production Co, L.P. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 2.74K | 285K | Jan 1993 – Jul 2009 |
| Flowers -D- G-14-82383 | Devon Energy Production Co, L.P. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 2.46K | 311K | Jan 1993 – Nov 2011 |
| Mahler "D" O-14-6537 | Questar Expl. and Prod. Co. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 2.32K | 85.5K | Jan 1993 – May 1998 |
| Waterfield B G-14-226669 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 1.91K | 39.6K | May 2006 – May 2007 |
| Braswell O-14-7768 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 1.52K | 79.8K | Jan 2007 – Apr 2008 |
| Kaufman, Susan B. G-14-92570 | BP America Production Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 1.4K | 46.2K | Jan 1993 – Apr 1999 |
| Pennington O-14-7965 | Amarillo Exploration, Inc. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 1.3K | 9.82K | Dec 2008 – May 2010 |
| Vollmert, J. C. O-14-7873 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 1.28K | 60.4K | Jun 2007 – Jan 2008 |
| Kaufman, Susan B. O-14-7317 | Crescendo Resources, L.P. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 1.05K | 65.3K | Apr 1999 – Jun 1999 |
| Chambers, Frank M. -B- G-14-67615 | Amoco Production Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 868 | 62.4K | Jan 1993 – Oct 1997 |
| Chambers, Frank M. et al -B- G-14-87649 | Amoco Production Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 648 | 63.3K | Jan 1993 – Aug 1998 |
| Chambers G-14-149309 | Seagull Energy E&P Inc. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 211 | 19.4K | Apr 1994 – Jul 1998 |
| Chambers "C" O-14-6560 | Seagull Midcon Inc. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 179 | 20.7K | Jan 1993 – Mar 1994 |
| Mahler "A" O-14-4868 | Golden Gas Production Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 150 | 40K | Jan 1993 – Dec 1994 |
| Mahler, Fields G-14-90612 | Seagull Midcon Inc. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 144 | 44.7K | Jan 1993 – Sep 1996 |
| Mahler "D" O-14-7273 | Crescendo Resources, L.P. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 55 | 4.29K | Jun 1998 – Nov 1998 |