| Big Wells /San Miguel/ Unit O-1-4421 | Flint Oak Energy, LLC only | Big Wells (San Miguel) | Dimmit | 337 | 3.1M | 998K | Jan 1993 – Jul 2026 |
| McLean-Bowman -B- O-1-4171 | Unitex Oil & Gas, L.L.C. only | Big Wells (San Miguel) | Dimmit | 13 | 550K | 167K | Jan 1993 – Jul 2026 |
| McLean-Bowman -A- O-1-4177 | Unitex Oil & Gas, L.L.C. only | Big Wells (San Miguel) | — | 11 | 221K | 42K | Jan 1993 – Jul 2026 |
| Las Vegas Ranch O-1-9683 | Trinity Operating (Usg), LLC only | Big Wells (San Miguel) | Dimmit | 8 | 135K | 24.2K | Jan 1993 – Apr 2020 |
| F.N.B.T. "A" O-1-5746 | Unitex Oil & Gas, L.L.C. only | Big Wells (San Miguel) | Dimmit | 2 | 74.6K | 10.3K | Jan 1993 – Jul 2026 |
| Lupe, John B. -D- O-1-14183 | 907 Oil LLC only | Big Wells (San Miguel) | Zavala | 3 | 52.8K | 0 | Jan 1998 – Jul 2026 |
| Baggett, J.B. O-1-10501 | McDaniel Company, Inc., The only | Big Wells (San Miguel) | Dimmit | 4 | 44.4K | 46.3K | Jan 1993 – Aug 2017 |
| Lupe, John B. A O-1-14166 | 907 Oil LLC only | Big Wells (San Miguel) | Zavala | 5 | 44.2K | 0 | Feb 1998 – Jul 2026 |
| Lupe, John B. C O-1-14167 | 907 Oil LLC only | Big Wells (San Miguel) | Dimmit | 3 | 42.3K | 0 | Feb 1998 – Jul 2026 |
| Janan O-1-10228 | Dale Operating Company only | Big Wells (San Miguel) | Dimmit | 1 | 28.7K | 21 | Jan 1993 – Oct 2004 |
| Jones, E.B. O-1-10448 | McDaniel Company, Inc., The only | Big Wells (San Miguel) | Dimmit | 1 | 28.4K | 20 | Jan 1993 – Oct 2008 |
| Baggett, John B. O-1-4280 | Acorn Oil & Gas, LLC only | Big Wells (San Miguel) | — | 2 | 26.5K | 1.55K | Jan 1993 – Nov 2024 |
| F.N.B.T. North O-1-4764 | Tradition Resources Oper, LLC only | Big Wells (San Miguel) | — | 1 | 24.4K | 3.19K | Jan 1993 – Feb 2016 |
| Huck, C.C. O-1-10706 | McDaniel Company, Inc., The only | Big Wells (San Miguel) | Dimmit | 2 | 22.5K | 886 | Jan 1993 – Nov 2009 |
| George, Burton O. O-1-14400 | Silver Hill Energy Operating LLC only | Big Wells (San Miguel) | Dimmit | 1 | 20.3K | 666 | Oct 2002 – Jul 2026 |
| Justin O-1-10245 | Dale Operating Company only | Big Wells (San Miguel) | Dimmit | 1 | 16.5K | 21 | Jan 1993 – Mar 2002 |
| Sultenfuss, L. F. O-1-4288 | Thalmann, David Vac Service Inc only | Big Wells (San Miguel) | — | 1 | 13.8K | 81 | Jan 1993 – Oct 2001 |
| Henry O-1-10635 | Caprock Exploration, Inc. only | Big Wells (San Miguel) | Dimmit | 1 | 13.6K | 21 | Jan 1993 – Mar 2008 |
| Lupe, John B. -B- O-1-5165 | 907 Oil LLC only | Big Wells (San Miguel) | Zavala | 3 | 13.4K | 21 | Jan 1993 – Jul 2026 |
| Lasiter, M.L. O-1-13695 | Bluestar Energy, Inc. only | Big Wells (San Miguel) | Zavala | 4 | 13.1K | 19 | Mar 1993 – Jul 2026 |
| Stigall O-1-11474 | Devilbiss Contracting, Inc. only | Big Wells (San Miguel) | Dimmit | 1 | 5.34K | 76 | Jan 1993 – Jun 2004 |
| Lupe, John B. -E- O-1-14186 | Bluestar Energy, Inc. only | Big Wells (San Miguel) | Zavala | 2 | 5.25K | 0 | Feb 1998 – Jul 2026 |
| Wickham, John E. O-1-4398 | Thalmann, David Vac Service Inc only | Big Wells (San Miguel) | — | 1 | 5.23K | 76 | Jan 1993 – Jul 2026 |
| Baggett O-1-4594 | Riley Exploration, LLC only | Big Wells (San Miguel) | — | 1 | 4.77K | 26 | Jan 1993 – Jul 2026 |
| Korn A O-1-19771 | Flint Oak Energy, LLC only | Big Wells (San Miguel) | Dimmit | 1 | 4.69K | 0 | Sep 2018 – Jul 2026 |
| Wickham, J. E. O-1-4236 | Arrco Operating, LLC only | Big Wells (San Miguel) | — | 1 | 4.39K | 2.59K | Jan 1993 – Jul 2019 |
| 89 Ranch O-1-14725 | JB Oil & Gas Well Service only | Big Wells (San Miguel) | Dimmit | 2 | 3.64K | 0 | Aug 2006 – Jul 2026 |
| Korn O-1-19289 | Flint Oak Energy, LLC only | Big Wells (San Miguel) | Dimmit | 1 | 1.71K | 0 | Nov 2017 – Jul 2026 |
| Noah, T. R. O-1-4237 | Doublechek Operating only | Big Wells (San Miguel) | — | 1 | 750 | 3 | Jan 1993 – Jul 2026 |
| McLean-Bowman "B" O-1-14961 | Botasch Operating, LLC only | Big Wells (San Miguel) | Dimmit | 1 | 512 | 0 | Jan 2008 – Jul 2026 |
| Burton, George O-1-12808 | Oatman, W. W. only | Big Wells (San Miguel) | — | 1 | 35 | 23 | Jan 1993 – Aug 2003 |
| Kahanek O-1-4322 | Overly Operating Co. only | Big Wells (San Miguel) | — | 1 | 25 | 21 | Jan 1993 – Dec 1994 |
| George, Burton O. G-1-162877 | Thalmann, David Vac Service Inc only | Big Wells (San Miguel) | Dimmit | 1 | 0 | 1.8K | Apr 1997 – Mar 2003 |
| Big Wells (San Miguel) G-1-162758 | Flint Oak Energy, LLC only | Big Wells (San Miguel) | Zavala | 1 | 0 | 709K | Apr 1997 – Jul 2026 |
| Big Wells (San Miguel) Unit G-1-157356 | Trinity Operating (Usg), LLC only | Big Wells (San Miguel) | Zavala | 1 | 0 | 1.06M | Dec 1995 – Jun 2021 |
| Big Wells (San Miguel) Unit G-1-156075 | Flint Oak Energy, LLC only | Big Wells (San Miguel) | Zavala | 1 | 0 | 1.5M | Oct 1995 – Jul 2026 |
| Big Wells (San Miguel) Unit G-1-152694 | Flint Oak Energy, LLC only | Big Wells (San Miguel) | Zavala | 1 | 0 | 291K | Jan 1995 – Jul 2026 |
| Big Wells (San Miguel) Unit G-1-151604 | Flint Oak Energy, LLC only | Big Wells (San Miguel) | Zavala | 1 | 0 | 895K | Sep 1994 – Jul 2026 |
| Big Wells (San Miguel) Unit G-1-150352 | Flint Oak Energy, LLC only | Big Wells (San Miguel) | Zavala | 1 | 0 | 493K | Jun 1994 – Jul 2026 |
| Baggett, John B. B G-1-165039 | Flint Oak Energy, LLC only | Big Wells (San Miguel) | Zavala | 1 | 0 | 375K | Sep 1997 – Jul 2026 |
| Jones, E.B. -C- O-1-13050 | Texas American Resources Company only | Big Wells (San Miguel) | Zavala | 1 | 0 | 0 | Jan 1993 – Jun 2012 |
| Big Wells (San Miguel) Unit G-1-110004 | Texas American Resources Company only | Big Wells (San Miguel) | Zavala | 1 | 0 | 804K | Jan 1993 – Jul 2014 |
| Big Wells (San Miguel) Unit G-1-56029 | Flint Oak Energy, LLC only | Big Wells (San Miguel) | — | 1 | 0 | 679K | Jan 1993 – Jul 2026 |
| Big Wells (San Miguel) Unit G-1-55018 | Flint Oak Energy, LLC only | Big Wells (San Miguel) | — | 1 | 0 | 1.03M | Jan 1993 – Jul 2026 |
| Big Wells (San Miguel) Unit G-1-52936 | Oryx Energy Company only | Big Wells (San Miguel) | — | 1 | 0 | 59K | Jan 1993 – Sep 1995 |
| Big Wells (San Miguel) Unit G-1-52935 | Flint Oak Energy, LLC only | Big Wells (San Miguel) | — | 1 | 0 | 1.51M | Jan 1993 – Jul 2026 |
| McLean Bowman -A- O-1-14205 | Sue-Ann Operating, L.C. only | Big Wells (San Miguel) | Dimmit | 1 | 0 | 0 | May 1998 – Nov 2000 |
| McLean Bowman -B- O-1-14206 | Sue-Ann Operating, L.C. only | Big Wells (San Miguel) | Dimmit | 1 | 0 | 0 | May 1998 – Nov 2000 |
| Big Wells (San Miguel) Unit G-1-52861 | Flint Oak Energy, LLC only | Big Wells (San Miguel) | — | 1 | 0 | 1.11M | Jan 1993 – Jul 2026 |
| Big Wells (San Miguel) Unit G-1-165041 | Flint Oak Energy, LLC only | Big Wells (San Miguel) | Zavala | 1 | 0 | 927K | Sep 1997 – Jul 2026 |