| McElroy Ranch Co."l" O-9-12980 | Chevron U. S. A. Inc. only | Corvette (Wolfcamp) | Upton | 5 | 1.52M | 8.67M | by Jan 1993 – Feb 2010 |
| RWT Buffalo Bayou 16-4 Unit O-9-23394 | Chevron U. S. A. Inc. only | Spraberry (Trend Area) | Upton | 9 | 1.18M | 2.45M | Dec 2025 – Aug 2026 |
| Chevron "43" O-9-15912 | COG Operating LLC only | Spraberry (Trend Area) | Upton | 22 | 1.07M | 2.36M | Jan 2006 – Aug 2026 |
| Cody Bell "13" O-9-13616 | Chevron U. S. A. Inc. only | Triumph (Wolfcamp) | Upton | 1 | 615K | 1.57M | May 1994 – Nov 2002 |
| Chevron "35" O-9-16975 | COG Operating LLC only | Spraberry (Trend Area) | Upton | 7 | 366K | 842K | Jul 2009 – Mar 2025 |
| Chan O-9-15660 | Chevron Midcontinent, L.P. only | Spraberry (Trend Area) | Upton | 6 | 236K | 872K | Jan 2005 – Jan 2023 |
| RWT Buffalo Bayou 16-4 F O-9-23303 | Chevron U. S. A. Inc. only | Spraberry (Trend Area) | Upton | 3 | 214K | 257K | Dec 2025 – Feb 2026 |
| Arco - Coleman "14" O-9-13318 | Chevron U. S. A. Inc. only | Triumph (Wolfcamp) | Upton | 1 | 180K | 322K | by Jan 1993 – Jun 2006 |
| Arco-Lindsey "56" O-9-13852 | Chevron U. S. A. Inc. only | Triumph (Strawn Detrital) | Upton | 1 | 157K | 316K | Sep 1995 – Sep 2013 |
| Chevron Arco-Lindsey "6" O-9-13893 | Chevron U. S. A. Inc. only | Triumph (Strawn Detrital) | Upton | 2 | 99.8K | 187K | Nov 1995 – Oct 2013 |
| Chevron Hanks-Lindsey "9" O-9-13862 | Chevron U. S. A. Inc. only | Triumph (Strawn Detrital) | Upton | 1 | 77.1K | 213K | Sep 1995 – Oct 2002 |
| Chevron Gaylord "55" O-9-13677 | Chevron U. S. A. Inc. only | Triumph (Strawn Detrital) | Upton | 1 | 74.2K | 115K | Sep 1994 – Apr 1997 |
| Coseka/Saxon-Keeney "A" O-9-10547 | Chevron Midcontinent, L.P. only | Spraberry (Trend Area) | Upton | 3 | 61.8K | 217K | by Jan 1993 – Dec 2012 |
| Keeney O-9-8732 | Chevron Midcontinent, L.P. only | Spraberry (Trend Area) | Upton | 3 | 48.5K | 159K | by Jan 1993 – Dec 2012 |
| Upton 'L' Fee G-9-240774 | Chevron U. S. A. Inc. only | Davis (Devonian) | Upton | 1 | 42.5K | 649K | Apr 2008 – Oct 2018 |
| Coseka/Saxon Davidson O-9-10442 | Chevron Midcontinent, L.P. only | Spraberry (Trend Area) | Upton | 2 | 39.9K | 171K | by Jan 1993 – May 2006 |
| University 12 G-9-188582 | Chevron Midcontinent, L.P. only | Benedum (Devonian, Gas) | Upton | 1 | 39.1K | 855K | Mar 2002 – Jun 2011 |
| Davidson O-9-11023 | Chevron Midcontinent, L.P. only | Spraberry (Trend Area) | Upton | 2 | 35K | 223K | by Jan 1993 – Sep 2011 |
| Ross O-9-10037 | Chevron Midcontinent, L.P. only | Spraberry (Trend Area) | Upton | 1 | 31.2K | 99.8K | by Jan 1993 – Oct 2008 |
| Adam "34" O-9-15738 | Chevron Midcontinent, L.P. only | Spug (Strawn) | Upton | 1 | 26.5K | 418K | Dec 2004 – Oct 2006 |
| Warren O-9-11243 | Chevron Midcontinent, L.P. only | Spraberry (Trend Area) | Upton | 1 | 22.9K | 124K | by Jan 1993 – Jan 2006 |
| Wade Richardson "16" O-9-13442 | Chevron U. S. A. Inc. only | Triumph (Wolfcamp) | Upton | 1 | 22.7K | 26.2K | May 1993 – Apr 1994 |
| Powell '21' O-9-7595 | Chevron Midcontinent, L.P. only | Spraberry (Trend Area) | Upton | 1 | 19.3K | 58.1K | by Jan 1993 – May 2009 |
| University White 7 O-9-4937 | Chevron Midcontinent, L.P. only | Benedum (Spraberry) | Upton | 1 | 18.8K | 74.4K | by Jan 1993 – May 2005 |
| University "6" O-9-15723 | Chevron Midcontinent, L.P. only | Spraberry (Trend Area) | Upton | 1 | 18.6K | 48.7K | May 2005 – Jul 2011 |
| Atkins B O-9-13688 | Chevron Midcontinent, L.P. only | Spraberry (Trend Area) | Upton | 1 | 16.9K | 124K | Sep 1994 – Jan 2005 |
| Windham "B" O-9-8595 | Chevron Midcontinent, L.P. only | Spraberry (Trend Area) | Upton | 1 | 15.4K | 72.1K | by Jan 1993 – Mar 2006 |
| Eleanor 2 O-9-18606 | Chevron U. S. A. Inc. only | Davis (Pennsylvanian) | Upton | 1 | 14.3K | 477K | Apr 2014 – Apr 2019 |
| Eleanor 2D O-9-18909 | Chevron U. S. A. Inc. only | Davis (Pennsylvanian) | Upton | 1 | 14.1K | 354K | Dec 2014 – Jul 2020 |
| University 13 G-9-193231 | Chevron Midcontinent, L.P. only | Benedum (Devonian, Gas) | Upton | 1 | 14K | 193K | Oct 2002 – Nov 2010 |
| Windham "E" O-9-8627 | Chevron Midcontinent, L.P. only | Spraberry (Trend Area) | Upton | 1 | 13.7K | 53.1K | by Jan 1993 – Sep 2000 |
| University "20B" O-9-9564 | Chevron Midcontinent, L.P. only | Spraberry (Trend Area) | Upton | 1 | 13.3K | 50.1K | by Jan 1993 – Mar 2013 |
| Arco-Lindsey '10' O-9-13599 | Chevron U. S. A. Inc. only | Triumph (Wolfcamp) | Upton | 1 | 12.4K | 15.6K | Mar 1994 – Feb 1996 |
| Eleanor 2E O-9-18911 | Chevron U. S. A. Inc. only | Davis (Pennsylvanian) | Upton | 1 | 10.8K | 130K | Dec 2014 – Nov 2018 |
| McLintic, H. L. et Al G-10-132475 | Chevron U. S. A. Inc. only | McElroy (Bend 8960) | Upton | 1 | 10.6K | 857K | by Jan 1993 – Mar 2023 |
| Windham 144 O-9-12860 | Chevron U. S. A. Inc. only | King Mountain, N.(strawn) | Upton | 1 | 10.6K | 117 | by Jan 1993 – Dec 2002 |
| Franco Devonian Unit G-9-47524 | Chevron U. S. A. Inc. only | Franco (Devonian) | Upton | 1 | 10.4K | 331K | by Jan 1993 – Jul 1994 |
| Eleanor 2A O-9-18996 | Chevron U. S. A. Inc. only | King Mountain, S. (Atoka) | Upton | 1 | 9.25K | 226K | May 2015 – Apr 2019 |
| Owens "32" G-9-200641 | Chevron Midcontinent, L.P. only | Benedum (Devonian, Gas) | Upton | 1 | 7.09K | 235K | Sep 2003 – Oct 2012 |
| McElroy Ranch Co. "119" O-9-13613 | Chevron U. S. A. Inc. only | Wilshire (Fusselman) | Upton | 1 | 6.19K | 113K | Mar 1994 – Mar 1995 |
| McElroy Ranch Co. "L" G-9-182577 | Chevron U. S. A. Inc. only | Corvette (Wolfcamp) | Upton | 1 | 5.39K | 1.94M | May 2001 – Feb 2012 |
| Eleanor 2A O-9-18842 | Chevron U. S. A. Inc. only | Davis (Pennsylvanian) | Upton | 1 | 5.16K | 389K | Mar 2015 – Apr 2019 |
| Cox "21" O-9-15826 | Chevron Midcontinent, L.P. only | Blue Danube (Strawn) | Upton | 1 | 4.98K | 20.5K | Sep 2005 – Mar 2006 |
| Owens 30 G-9-205352 | Chevron Midcontinent, L.P. only | Benedum (Devonian, Gas) | Upton | 1 | 4.4K | 97.1K | Feb 2004 – Oct 2012 |
| University 15 G-9-192265 | Chevron Midcontinent, L.P. only | Benedum (Devonian, Gas) | Upton | 1 | 3.97K | 174K | Sep 2002 – Nov 2011 |
| McElroy Ranch Co. 135 O-9-13724 | Chevron U. S. A. Inc. only | Corvette (Wolfcamp) | Upton | 1 | 2.44K | 2 | Dec 1994 – Feb 1995 |
| Cox 23 G-9-189159 | Chevron Midcontinent, L.P. only | Bloxom (Devonian) | Upton | 1 | 2.02K | 33.3K | Oct 2001 – Nov 2001 |
| Windham, R.S., et al No. 118 O-9-13631 | Chevron U. S. A. Inc. only | Wilshire (Fusselman) | Upton | 1 | 1.54K | 20K | May 1994 – Mar 1995 |
| Cox 23 O-9-15273 | Chevron Midcontinent, L.P. only | Blue Danube (Strawn) | Upton | 1 | 1.26K | 3.2K | May 2002 – May 2004 |
| Windham, R. S. et al -118- G-9-130883 | Chevron U. S. A. Inc. only | Wilshire (Pennsylvanian) | Upton | 1 | 973 | 14.3K | by Jan 1993 – Jan 1995 |