| Hayes Unit O-3-27824 | Wildfire Energy Operating LLC only | Madisonville, W. (Woodbine -A-) | Brazos | 2 | 707K | 280K | Apr 2020 – Jul 2026 |
| Hayes, G. L. EF O-1-15379 | Crescent Energy Operating, LLC only | Eagleville (Eagle Ford-1) | McMullen | 6 | 527K | 1.3M | Dec 2010 – Aug 2026 |
| Hayes O-3-26695 | CML Exploration, LLC only | Madisonville, W. (Woodbine -A-) | Grimes | 2 | 395K | 865K | Sep 2014 – Aug 2026 |
| G.L. Hayes EF Unit O-1-19489 | Crescent Energy Operating, LLC only | Eagleville (Eagle Ford-1) | McMullen | 2 | 351K | 764K | Aug 2013 – Aug 2026 |
| G.L. Hayes EF A O-1-19876 | Crescent Energy Operating, LLC only | Eagleville (Eagle Ford-1) | McMullen | 1 | 327K | 764K | Apr 2019 – Aug 2026 |
| G.L. Hayes EF B O-1-19875 | Crescent Energy Operating, LLC only | Eagleville (Eagle Ford-1) | McMullen | 1 | 301K | 824K | Mar 2019 – Aug 2026 |
| Hayes O-13-27050 | CR Reed Production, Inc. only | Cooke County Regular | Cooke | 13 | 263K | 235 | by Jan 1993 – Aug 2026 |
| Hayes Unit O-1-16125 | Verdun Oil & Gas LLC only | Eagleville (Eagle Ford-1) | McMullen | 2 | 219K | 675K | Aug 2012 – Aug 2026 |
| Hayes-Albritton Est. -A- O-3-7973 | New Horizon Resources LLC only | Hankamer, SE. (Seg a Frio) | Chambers | 2 | 84K | 26.6K | by Jan 1993 – Jul 2015 |
| Huggins-Hayes O-13-28294 | CR Reed Production, Inc. only | Cooke County Regular | Cooke | 2 | 82.3K | 236 | by Jan 1993 – Aug 2024 |
| Hayes Minerals, et Al O-3-26589 | Coastal Plains Exploration, LLC only | Tom Teal (Hackberry) | Orange | 1 | 56.2K | 1.07M | Sep 2014 – Apr 2017 |
| Hayes, G. L. O-1-15355 | Swift Energy Operating, LLC only | Dilworth (Eagle Ford) | McMullen | 1 | 48.8K | 55K | May 2010 – Nov 2011 |
| Hayes, Richard O-1-10869 | Drachen Oil Company only | Somerset | Bexar | 3 | 32.1K | 21 | by Jan 1993 – Jul 2026 |
| Hayes O-13-29168 | Aeternum Energy, LLC only | Hudgins (Davis, Cons.) | Grayson | 1 | 28.3K | 200K | Apr 1996 – Apr 2026 |
| Hayes-Albritton Est. -A- O-3-22329 | New Horizon Resources LLC only | Hankamer | Chambers | 1 | 27K | 9.74K | Mar 1994 – Jul 2005 |
| Hayes O-13-27611 | Winchester Production Company only | Southmayd, North (Baker-Viola) | Grayson | 2 | 25.7K | 61.4K | by Jan 1993 – Mar 1996 |
| Hayes O-13-29810 | CR Reed Production, Inc. only | Era (Ellenburger) | Cooke | 1 | 17.6K | 144 | Sep 2000 – Aug 2026 |
| Hayes, T. M. O-8-835 | Seven Cross Operating, LLC only | Coleman County Regular | Coleman | 3 | 14.4K | 10 | Mar 1993 – Jun 2022 |
| University 8 O-10-33690 | Fuller Production, Inc. only | Phil Hayes (Cisco) | Pecos | 1 | 10.4K | 135 | by Jan 1993 – Sep 1998 |
| Hayes O-6-12949 | Carter Resources only | Willow Springs (Travis Peak) | Gregg | 1 | 8.39K | 160K | by Jan 1993 – Feb 2002 |
| Hayes -A- O-13-29169 | Aeternum Energy, LLC only | Hudgins (Davis, Cons.) | Grayson | 1 | 7.55K | 74K | Apr 1996 – Aug 2024 |
| Hayes O-5-2949 | KO Operating LLC only | Corsicana (Shallow) | Navarro | 2 | 6.56K | 43 | Feb 1993 – Aug 2026 |
| Hayes O-6-15326 | Buffco Production Inc. only | Henderson, South (Pettit -A-) | Rusk | 1 | 6.55K | 438 | Jun 2014 – Apr 2024 |
| Cartwright, L., -A- O-13-12571 | Colvin, Hayes & Associates, Inc only | Archer County Regular | Archer | 7 | 6.15K | 48 | by Jan 1993 – Jan 1999 |
| Ikard, A. J. O-13-351 | Colvin, Hayes & Associates, Inc only | Archer County Regular | Archer | 15 | 4.72K | 48 | by Jan 1993 – Dec 1998 |
| Key O-13-17281 | Colvin, Hayes & Associates, Inc only | Archer County Regular | Archer | 15 | 3.76K | 48 | by Jan 1993 – Mar 1998 |
| Hayes, Ada V. #2 O-2-5468 | Starco Exploration, Inc. only | Riverdale (Reklaw Seg B) | Goliad | 1 | 3.64K | 49 | by Jan 1993 – Apr 1997 |
| Cowan-McKinney O-13-22157 | Colvin, Hayes & Associates, Inc only | Archer County Regular | Archer | 36 | 3.27K | 13 | Sep 1993 – Dec 1998 |
| Hayes-Cassity Unit O-13-30029 | Encana Oil & Gas(usa) Inc. only | Barnabus (Mississippian) | Wise | 1 | 2.32K | 81.6K | Mar 2002 – Dec 2004 |
| Hayes-Ezzell Ranch O-1-3490 | San Cajo Oil Company only | Calliham | McMullen | 4 | 2.15K | 56 | by Jan 1993 – Oct 1997 |
| Wright, W. P. O-4-11302 | Hayes Oil & Gas Co. only | Paisano (Wright) | Jim Wells | 1 | 1.21K | 21 | by Jan 1993 – Apr 1996 |
| Wilson & Hayes O-5-2224 | Granco Oil Company only | Bosque, South | McLennan | 4 | 1.08K | 21 | by Jan 1993 – Jan 2015 |
| Jones, W. O. B O-5-1857 | Hayes, Marshall A. III only | Lott | Falls | 5 | 699 | 59 | by Jan 1993 – Oct 1998 |
| Hayes O-6-15379 | Faulconer Energy, LLC only | Willow Springs (Travis Peak) | Gregg | 1 | 652 | 0 | Jan 2015 – Jan 2016 |
| Hayes O-13-23840 | Ryder Scott Oil Company only | Fletcher (Conglomerate) | Wise | 1 | 645 | 4.94K | by Jan 1993 – Jan 1994 |
| Hayes O-13-24330 | Pacific Exploration Oper Co, LLC only | Young County Regular | Young | 1 | 595 | 30 | by Jan 1993 – Feb 2001 |
| Monroe-Hayes O-10-7224 | Hamm, Richard Inc. only | Ward, South | Ward | 1 | 529 | 20 | by Jan 1993 – Dec 2006 |
| Leeds, Frances Estate O-5-2354 | Hayes, Marshall A. III only | Lott | Falls | 1 | 237 | 58 | by Jan 1993 – Mar 1999 |
| Hrabal, Eugene O-5-2451 | Hayes, Marshall A. III only | Lott | Falls | 4 | 171 | 68 | by Jan 1993 – Jul 1999 |
| Abercrombie -B- O-13-12802 | Colvin, Hayes & Associates, Inc only | Archer County Regular | Archer | 4 | 54 | 35 | by Jan 1993 – Nov 1995 |
| Leeds, Frances, Est. O-5-2237 | Hayes, Marshall A. III only | Lott | Falls | 2 | 46 | 28 | Jun 1996 – Apr 1999 |
| Hayes O-5-2947 | KO Operating LLC only | Powell | Navarro | 1 | 34 | 0 | Jul 2018 – Feb 2019 |
| Hayes-Albritton Est. -A- O-3-8034 | Western Gulf Oil & Gas, LLC only | Hankamer, SE. (Seg B Frio) | Chambers | 1 | 16 | 20 | by Jan 1993 – Jan 1993 |
| Reagan, Mary Jane et Al O-5-2586 | Hayes Operations only | Lott | Falls | 1 | 15 | 3 | by Jan 1993 – Jun 1993 |
| Hayes-Albritton Est. O-3-6380 | Middleton Oil Company only | Hankamer, SE. (Frio, Upper) | Chambers | 2 | 0 | 0 | — |
| Hayes, Ada V. #1 O-2-5193 | Pearl, Bill H. Productions, Inc. only | Riverdale (Reklaw Seg B) | Goliad | 1 | 0 | 1 | by Jan 1993 – Jan 1993 |
| Hayes, Roderick O-1-10522 | McLain Exploration, Inc. only | La Vernia | Guadalupe | 10 | 0 | 0 | — |
| Hayes O-11-68912 | Rogers, S. K. Oil, Inc. only | Wildcat | Hockley | 1 | 0 | 0 | — |
| Michalewicz, John O-5-883 | Hayes, Marshall A. III only | Lott | Falls | 2 | 0 | 0 | — |
| Chevron University O-10-27242 | Hendrix, John H. Corporation only | Phil Hayes (Cisco) | Pecos | 1 | 0 | 0 | — |