| Ivy Mountain 53-4-3 Unit G-10-282916 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Reeves | 1 | 502K | 2.57M | May 2017 – Apr 2026 |
| Huegler, Ivy "33" O-10-9904 | Diamondback E&P LLC only | Spraberry (Trend Area) | Glasscock | 5 | 228K | 594K | Jan 1993 – Apr 2026 |
| Prime-Allen O-13-25531 | S.B. Street Operating, Inc. only | Ivy (Miss.) | Young | 1 | 130K | 4.14K | Jan 1993 – Nov 2015 |
| Brundage-Ivy Unit O-1-14940 | Sage Energy Company only | Pearsall (Austin Chalk) | Dimmit | 1 | 84.7K | 50.4K | Apr 2008 – Dec 2019 |
| Ivy Unit O-3-26443 | Tsar Energy, LLC only | Giddings (Buda) | Fayette | 1 | 70K | 106K | May 2013 – Sep 2022 |
| Ivy O-8-30151 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 14 | 67.8K | 15.9K | Aug 2008 – Dec 2023 |
| Ivy O-3-25530 | Geosouthern Operating II, LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 58.6K | 55.2K | Apr 2010 – Apr 2018 |
| Ivy "A" O-14-4704 | Diversified Production LLC only | Hutchinson, N. (Mississippian) | Hutchinson | 1 | 51.7K | 36.5K | Jan 1993 – Oct 2023 |
| Haterius, A. O-8-21596 | Glahn Resources, Inc. only | Ivy | Shackelford | 1 | 49K | 334 | Jan 1993 – Apr 2026 |
| Glen Ivy Unit O-11-66888 | Texland Petroleum, L.P. only | Edmisson (Clear Fork) | Lubbock | 1 | 45.5K | 398 | Jan 1993 – Apr 2026 |
| Allen "A" O-13-29000 | Salient Energy, Inc. only | Ivy (Miss.) | Young | 1 | 36.6K | 2.23K | Jul 1995 – Nov 2025 |
| Weatherby, Ivy B. O-10-27120 | Chevron U. S. A. Inc. only | Rojo Caballos (Delaware) | Pecos | 2 | 26.9K | 13.1K | Jan 1993 – Sep 2016 |
| Cook O-8-20719 | Glahn Resources, Inc. only | Ivy | Shackelford | 2 | 25.8K | 1.32K | Jan 1993 – Apr 2026 |
| McKeever O-8-21858 | Texoma Oil Tools, Inc. only | Ivy | Shackelford | 4 | 24.8K | 21 | Jan 1993 – Nov 2001 |
| John Ivy Unit O-3-18700 | Osborn,w.b. Oil & Gas Operations only | Houston, North (Elm 7000) | Harris | 1 | 21.1K | 182K | Jan 1993 – Feb 2003 |
| Williams, Ivy Heirs G-6-138193 | Buffco Production Inc. only | Lansing, North (Travis Peak) | Harrison | 1 | 16.7K | 1.03M | Jan 1993 – Jul 2023 |
| Haterius 2000 O-8-28831 | Glahn Resources, Inc. only | Ivy | Shackelford | 1 | 15.7K | 0 | Jun 2000 – Apr 2026 |
| Williams, Ivy Heirs G-6-144966 | Buffco Production Inc. only | Lansing, North (Travis Peak) | Harrison | 1 | 14.2K | 932K | Feb 1993 – Aug 2023 |
| Lawrence, Ivy D. O-13-29363 | Devon Energy Production Co, L.P. only | Morris (Consolidated Congl.) | Wise | 4 | 13.5K | 390K | Jul 1997 – Aug 2010 |
| Williams, Ivy Heirs G-6-138535 | XTO Energy Inc. only | Lansing, North (Travis Peak) | Harrison | 1 | 13.2K | 2M | Jan 1993 – Jun 2020 |
| Ivy-Oman O-8-29070 | Scott Operating, Inc. only | Lilly (Palo Pinto, Lo.) | Shackelford | 1 | 11K | 0 | Oct 2001 – Mar 2026 |
| Weatherby, Ivy B. O-10-25576 | Apache Corporation only | Rojo Caballos (Wolfcamp) | Pecos | 1 | 8.31K | 0 | Jan 1996 – Nov 2010 |
| Ivy Unit O-3-25984 | Tsar Energy, LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 7.79K | 27.9K | Jun 2012 – May 2016 |
| Williams, Ivy Heirs G-6-175764 | Buffco Production Inc. only | Lansing, North (Travis Peak) | Harrison | 1 | 7.67K | 615K | Dec 1999 – Apr 2026 |
| Williams, Ivy Heirs G-6-126546 | Buffco Production Inc. only | Lansing, North (Travis Peak) | Harrison | 1 | 7.13K | 1.24M | Jan 1993 – Apr 2026 |
| Lilly - Andrews O-8-19472 | Iron Horse Oil & Gas, Inc. only | Ivy | Shackelford | 1 | 6.76K | 80 | Jan 1993 – Apr 2001 |
| Williams, Ivy Heirs G-6-89521 | XTO Energy Inc. only | Lansing, North (Travis Peak) | Harrison | 1 | 6.72K | 900K | Jan 1993 – Jul 2015 |
| Huegler, Ivy O-10-6413 | Endeavor Energy Resources L.P. only | Spraberry (Trend Area) | Glasscock | 2 | 5.96K | 20.1K | Jan 1993 – Jul 2002 |
| Phillips, A. W. & Ivy O-13-23364 | Ferguson, S. M. Jr., Inc. only | Piarist, SW. (Chappel, Up.) | Hardeman | 1 | 5.78K | 139 | Jan 1993 – Nov 2004 |
| Lilly - Andrews B O-8-19828 | Iron Horse Oil & Gas, Inc. only | Ivy | Shackelford | 1 | 5.57K | 79 | Jan 1993 – Apr 2001 |
| Raughton, Lorene O-8-21512 | Telesis Operating Co., Inc. only | Ivy (Bend) | Shackelford | 3 | 5.12K | 66 | Jan 1993 – Oct 2000 |
| Ivy, Betty Jean G-5-198357 | Diversified Production LLC only | Dowdy Ranch (Cotton Valley) | Freestone | 1 | 4.5K | 2.22M | Oct 2003 – Apr 2026 |
| Weatherby, Ivy B. G-10-94140 | Chevron U. S. A. Inc. only | Rojo Caballos (Miss.) | Pecos | 1 | 4.12K | 5.07M | Jan 1993 – Apr 2026 |
| Ivy, Betty Jean 'A G-5-190761 | Diversified Production LLC only | Dowdy Ranch (Cotton Valley) | Freestone | 1 | 3.91K | 3.43M | Sep 2002 – Apr 2026 |
| Ivy H O-8-31294 | JNS Production, LLC only | Cook Ranch | Shackelford | 2 | 3.81K | 0 | Jul 2013 – Sep 2025 |
| Weatherby, Ivy B. O-10-40657 | XTO Energy Inc. only | Wolfbone (Trend Area) | Pecos | 1 | 3.47K | 0 | Dec 2010 – Jun 2022 |
| Dorr, Ivy Rogers O-5-3688 | Bowles Energy, Inc. only | Alabama Ferry,n.(woodbine-Dexter | Leon | 1 | 3.33K | 18.4K | Apr 2000 – Jul 2004 |
| Ivy "A" O-13-29842 | Ranger Operating Co. only | Kendall (Bend Conglomerate) | Young | 1 | 3.22K | 5.53K | Jan 2001 – Nov 2014 |
| Ivy "A" O-3-16677 | Sage Energy Company only | Giddings (Austin Chalk-3) | Fayette | 1 | 2.45K | 868 | Jan 1993 – Apr 1995 |
| Williams, Ivy Heirs G-6-170195 | Buffco Production Inc. only | Lansing, North (Travis Peak) | Harrison | 1 | 2.24K | 64.8K | Jul 1998 – Aug 2002 |
| Williams, Ivy Heirs G-6-77107 | Buffco Production Inc. only | Lansing, North (Travis Peak) | Harrison | 1 | 2.19K | 376K | Jan 1993 – Apr 2026 |
| Ivy, Albert O-1-4805 | Thalmann Oil Field Service, Inc. only | Griselda (Olmos 3518) | Dimmit | 1 | 1.99K | 48 | Feb 1993 – Mar 1997 |
| Williams, Ivy Heirs G-6-196370 | Buffco Production Inc. only | Lansing, N. (Cotton Valley, Lo.) | Harrison | 1 | 1.75K | 948K | Jun 2003 – Apr 2026 |
| Felts, R.S. O-8-21415 | Texoma Oil Tools, Inc. only | Ivy | Shackelford | 2 | 1.47K | 21 | Jan 1993 – Dec 1995 |
| Ivy, Betty Jean "A" G-5-198952 | Diversified Production LLC only | Dowdy Ranch (Cotton Valley) | Freestone | 1 | 1.46K | 1.99M | Jul 2003 – Apr 2026 |
| Ivy "A" G-13-125490 | Ranger Operating Co. only | Kendall (Bend Conglomerate) | Young | 1 | 1.42K | 11.2K | Mar 1993 – Dec 2000 |
| Athel Ivy Unit G-5-185486 | Hilcorp Energy Company only | Teague (CV-Bossier Cons.) | Freestone | 1 | 1.39K | 2.02M | Sep 2001 – Apr 2026 |
| Ivy, Betty Jean "A" G-5-195848 | Diversified Production LLC only | Dowdy Ranch (Cotton Valley) | Freestone | 1 | 953 | 2.92M | Apr 2003 – Apr 2026 |
| Ivy B GU1 G-5-255066 | Diversified Production LLC only | Nan-SU-Gail (CV Consolidated) | Freestone | 1 | 949 | 5.09M | Nov 2009 – Apr 2026 |
| Ivy -A- G-14-148987 | Diversified Production LLC only | Hutchinson, N. (Pennsylvania) | Hutchinson | 1 | 787 | 2.32M | Feb 1994 – Apr 2026 |