| Johnson, Lewis G-13-45591 | Upham Oil & Gas Company only | Boonsville (Bend Congl., Gas) | Jack | 1 | 18.6K | 1.6M | by Jan 1993 – Aug 2026 |
| Orr, William Unit G-13-188251 | Upham Oil & Gas Company only | Morris (Consolidated Congl.) | Wise | 1 | 10.8K | 176K | Feb 2002 – Aug 2026 |
| Rickels G-8-208854 | Upham Oil & Gas Company only | Woods (Conglomerate) | Palo Pinto | 1 | 9.53K | 466K | Mar 2005 – Aug 2026 |
| Carter 7-40 G-8-168423 | Upham Oil & Gas Company only | Lone Camp, NW. (Congl.) | Palo Pinto | 1 | 9.09K | 1.32M | May 1998 – Aug 2026 |
| Snoddy Stuart G-8-203405 | Upham Oil & Gas Company only | P. K. Park (Congl.) 3950 | Palo Pinto | 1 | 7.17K | 276K | Jul 2004 – Aug 2026 |
| Henry-Castleberry Unit G-13-36080 | Upham Oil & Gas Company only | Boonsville (Bend Congl., Gas) | Wise | 1 | 5.82K | 213K | by Jan 1993 – Aug 2026 |
| Earl Kelley Unit G-13-270226 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Wise | 1 | 5.75K | 577K | May 2013 – Dec 2024 |
| Boley, L. E. G-13-185203 | Upham Oil & Gas Company only | Boonsville (Bend Congl., Gas) | Jack | 1 | 5.4K | 252K | Sep 2001 – Aug 2026 |
| Barbara Upham C Unit G-13-253774 | Arrowhead Productions, LP only | Newark, East (Barnett Shale) | Palo Pinto | 1 | 4.8K | 484K | Sep 2009 – Mar 2022 |
| Barbara Upham A G-13-253755 | Arrowhead Productions, LP only | Newark, East (Barnett Shale) | Palo Pinto | 1 | 4.62K | 592K | Mar 2010 – Mar 2022 |
| Hardy, Beatrice G-13-182841 | Upham Oil & Gas Company only | Boonsville (Bend Congl., Gas) | Jack | 1 | 3.33K | 803K | May 2001 – Aug 2026 |
| Read, H. D. et Al G-13-124705 | Upham Oil & Gas Company only | Boonsville (Bend Congl., Gas) | Wise | 1 | 3.24K | 1.58M | by Jan 1993 – Aug 2026 |
| Rickels G-8-199573 | Upham Oil & Gas Company only | Pickwick (Marble Falls) | Palo Pinto | 1 | 3.21K | 242K | Jan 2004 – Aug 2026 |
| Turner Unit G-13-270212 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Wise | 1 | 2.86K | 165K | Apr 2013 – May 2016 |
| Stuart, Snoddy G-8-199314 | Upham Oil & Gas Company only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 2.82K | 446K | Jan 2004 – Aug 2026 |
| Barbara Upham B G-13-253323 | Arrowhead Productions, LP only | Newark, East (Barnett Shale) | Palo Pinto | 1 | 2.76K | 588K | Jun 2009 – Apr 2023 |
| Garner Bros. "B" G-13-101808 | Upham Oil & Gas Company only | Dillard, SW. (Atoka 5900) | Clay | 1 | 2.6K | 380K | by Jan 1993 – Aug 2026 |
| Henry, John G-13-183205 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Wise | 1 | 2.53K | 886K | May 2001 – Aug 2026 |
| Citori Carter G-8-216260 | Upham Oil & Gas Company only | Lone Camp, NW. (Congl.) | Palo Pinto | 1 | 2.42K | 159K | May 2006 – May 2025 |
| Calabria Estate G-8-105174 | Upham Oil & Gas Company only | Calabria (Congl 3700) | Palo Pinto | 1 | 2.33K | 938K | by Jan 1993 – Aug 2026 |
| Parks a Unit G-13-248846 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Palo Pinto | 1 | 2.3K | 530K | Nov 2008 – Nov 2017 |
| R. Bridges Unit G-13-219595 | Upham Oil & Gas Company only | Morris (Consolidated Congl.) | Wise | 1 | 2.22K | 248K | Aug 2006 – Aug 2026 |
| Wharton A G-8-136249 | Upham Oil & Gas Company only | Van Dyke (Atoka) | Palo Pinto | 1 | 2.2K | 136K | by Jan 1993 – Apr 2021 |
| Barbara Upham D G-13-252992 | Arrowhead Productions, LP only | Newark, East (Barnett Shale) | Palo Pinto | 1 | 2.02K | 486K | Jun 2009 – Mar 2022 |
| Earl Kelley Unit G-13-270227 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Wise | 1 | 2.02K | 293K | May 2013 – Jan 2025 |
| Hunter, C.T. 'A' G-13-281320 | Upham Oil & Gas Company only | Boonsville (Bend Congl., Gas) | Wise | 1 | 2.01K | 99.6K | May 2015 – Aug 2026 |
| Rickels G-8-199572 | Upham Oil & Gas Company only | Pickwick (Marble Falls) | Palo Pinto | 1 | 2K | 126K | Feb 2004 – Aug 2026 |
| Earl Kelley Unit G-13-269016 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Wise | 1 | 1.96K | 235K | Dec 2012 – Apr 2019 |
| Earl Kelley Unit G-13-268620 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Wise | 1 | 1.95K | 329K | Dec 2012 – Apr 2019 |
| Chastain G-8-290911 | Upham Oil & Gas Company only | Polkstalk (Bend Congl.) | Palo Pinto | 1 | 1.89K | 25.6K | Mar 2021 – Aug 2026 |
| Rickels G-8-197121 | Upham Oil & Gas Company only | Pickwick (Marble Falls) | Palo Pinto | 1 | 1.81K | 358K | Jul 2003 – Aug 2026 |
| Costello G-8-202691 | Upham Oil & Gas Company only | P. K. Park (Congl.) 3950 | Palo Pinto | 1 | 1.74K | 551K | Jul 2004 – Jun 2026 |
| Turner Unit G-13-269349 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Wise | 1 | 1.71K | 106K | Jan 2013 – Jun 2016 |
| Hinkson G-8-156642 | Upham, Chester R., Jr. only | Maxwell Trust (Congl.) | Palo Pinto | 1 | 1.66K | 84.2K | Nov 1995 – Sep 1999 |
| Bridges, R. Unit G-13-120956 | Upham Oil & Gas Company only | Boonsville (Bend Congl., Gas) | Wise | 1 | 1.56K | 300K | by Jan 1993 – Aug 2026 |
| Moody-Atkinson Unit G-13-267880 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Wise | 1 | 1.55K | 132K | Oct 2012 – May 2015 |
| Davis, N. H. G-13-86076 | Upham Oil & Gas Company only | Morris (Consolidated Congl.) | Wise | 1 | 1.53K | 693K | by Jan 1993 – Aug 2026 |
| Whitten G-13-207330 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Wise | 1 | 1.45K | 288K | Dec 2004 – Aug 2026 |
| Turner Unit G-13-269346 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Wise | 1 | 1.31K | 256K | Jan 2013 – Apr 2016 |
| Coffee, Roy G-13-219602 | Upham Oil & Gas Company only | Morris (Consolidated Congl.) | Wise | 1 | 1.21K | 285K | Aug 2006 – Aug 2026 |
| Gunn, Mary S. G-13-35089 | Upham Oil & Gas Company only | Boonsville (Consolidated Congl.) | Wise | 1 | 1.2K | 336K | by Jan 1993 – Aug 2026 |
| Orr, William G-13-207322 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Wise | 1 | 1.15K | 370K | Nov 2004 – Aug 2026 |
| U 2 Ranch G-8-97881 | Upham Oil & Gas Company only | Brazos, East (Caddo) | Parker | 1 | 1.15K | 355K | Sep 1995 – Feb 2017 |
| Bridges, R. G-13-222403 | Upham Oil & Gas Company only | Morris (Consolidated Congl.) | Wise | 1 | 1.14K | 208K | Aug 2006 – Aug 2026 |
| Turner Unit G-13-270224 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Wise | 1 | 1.14K | 212K | Apr 2013 – Mar 2017 |
| Turner Unit G-13-269416 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Wise | 1 | 1.12K | 86.1K | Jan 2013 – Apr 2016 |
| Hudson Unit G-13-269852 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Wise | 1 | 1.08K | 88.3K | Jan 2013 – Jul 2017 |
| Barksdale, Carl C. G-13-140953 | Upham Oil & Gas Company only | Boonsville (Bend Congl., Gas) | Wise | 1 | 996 | 1.12M | by Jan 1993 – Aug 2026 |
| Hardy, Beatrice G-13-29274 | Upham Oil & Gas Company only | Boonsville (Bend Congl., Gas) | Jack | 1 | 972 | 532K | by Jan 1993 – Aug 2026 |
| Dutro G-8-203404 | Upham Oil & Gas Company only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 921 | 130K | Jul 2004 – Aug 2026 |