| Mahler, Fields O-14-5811 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 9 | 177K | 3.14M | by Jan 1993 – Aug 2026 |
| Mahler O-14-5257 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 8 | 119K | 2.5M | by Jan 1993 – May 2012 |
| Mahler 107 O-14-9274 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 83.2K | 976K | Sep 2014 – Mar 2023 |
| Kunkel O-13-22486 | Kelly Mahler Operating, LLC only | Young County Regular | Young | 13 | 60.1K | 27 | by Jan 1993 – Aug 2026 |
| Prideaux, Nellie O-13-7642 | Kelly Mahler Operating, LLC only | Young County Regular | Young | 15 | 44.4K | 21 | by Jan 1993 – Aug 2026 |
| Prideaux, R.O. Unit O-13-28721 | Kelly Mahler Operating, LLC only | Young County Regular | Young | 10 | 41.1K | 9 | Jan 1994 – Aug 2026 |
| Mahler "A" O-14-7977 | Unit Petroleum Company only | Canadian, West (Morrow, Upper "A | Roberts | 2 | 38.9K | 1.23M | Nov 2007 – Aug 2026 |
| Justice Heirs O-13-30591 | Kelly Mahler Operating, LLC only | Archer County Regular | Archer | 6 | 30K | 0 | Oct 2006 – Aug 2026 |
| Mahler "B" O-14-7844 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 29.1K | 228K | Feb 2008 – May 2010 |
| Mahler O-14-4536 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 2 | 28.2K | 382K | by Jan 1993 – Jun 2019 |
| Mahler O-14-7406 | Brighton Energy, L.L.C. only | Parsell, South (Morrow Upper) | Roberts | 1 | 25.8K | 1.31M | Dec 2001 – Jan 2003 |
| Mahler 'A' O-14-4995 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 19.2K | 331K | by Jan 1993 – Feb 2023 |
| Justice Heirs -A- O-13-30593 | Kelly Mahler Operating, LLC only | Archer County Regular | Archer | 10 | 18.5K | 0 | Mar 2006 – Aug 2026 |
| Wes Lease O-13-25416 | Kelly Mahler Operating, LLC only | Young County Regular | Young | 1 | 18.2K | 17 | by Jan 1993 – Aug 2026 |
| Justice Heirs -C- O-13-11122 | Kelly Mahler Operating, LLC only | Archer County Regular | Archer | 7 | 16.3K | 94 | by Jan 1993 – Aug 2026 |
| Mahler "C" O-14-7909 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 16.2K | 185K | Jun 2008 – May 2010 |
| Mahler 27 O-14-8610 | Presidio Petroleum LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 14.5K | 306K | Aug 2010 – Aug 2026 |
| Justice, W. M. -B- O-13-30592 | Kelly Mahler Operating, LLC only | Archer County Regular | Archer | 5 | 13.1K | 0 | Mar 2006 – Aug 2026 |
| Mahler "A" O-13-26491 | Rbe Jack Archer, LLC only | Mahler (Caddo) | Archer | 1 | 11.4K | 5 | Feb 1993 – Aug 2015 |
| Whittenton O-13-16462 | Kelly Mahler Operating, LLC only | A. V. C. (Strawn) | Archer | 3 | 7.02K | 21 | by Jan 1993 – Aug 2002 |
| Menton Prideaux O-13-32607 | Kelly Mahler Operating, LLC only | Young County Regular | Young | 1 | 6.91K | 0 | Jul 2013 – Aug 2026 |
| Mahler & Scott Unit O-13-25835 | Mash Oilfield Services, LP only | Swink, East (Mississippian) | Young | 1 | 6.64K | 21 | by Jan 1993 – Sep 2019 |
| King, B. W. O-13-7217 | Kelly Mahler Operating, LLC only | Young County Regular | Young | 11 | 6.44K | 21 | by Jan 1993 – Feb 1997 |
| Mahler O-14-4692 | Whiting Oil and Gas Corporation only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 5.65K | 65K | Jul 1993 – Nov 2010 |
| Nellie O-13-33128 | Kelly Mahler Operating, LLC only | Young County Regular | Young | 3 | 4.56K | 0 | Jan 2015 – Aug 2026 |
| Mahler O-14-5061 | Unit Petroleum Company only | Mendota, NW. (Douglas, Lo.) | Roberts | 1 | 3.48K | 904 | Oct 2007 – Jun 2013 |
| Mahler "D" O-14-6537 | Questar Expl. and Prod. Co. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 2.32K | 85.5K | by Jan 1993 – May 1998 |
| Mahler -B- O-13-17776 | Christie, C. B., Jr. only | Hull-Silk-Sikes (Ellen) | Archer | 1 | 2.13K | 1.04K | by Jan 1993 – Jan 1998 |
| Young O-13-22260 | Kelly Mahler Operating, LLC only | Young County Regular | Young | 2 | 1.3K | 27 | by Jan 1993 – Jul 2014 |
| Mahler, Vernon O-8-24626 | Sojourner Drilling Corporation only | Rule (5000) | Haskell | 2 | 1.08K | 21 | by Jan 1993 – Aug 1995 |
| Young, L.C. O-13-21924 | Mahler, Kelly Operating only | Young County Regular | Young | 3 | 715 | 27 | by Jan 1993 – Jun 1996 |
| Mahler, E. W. O-1-2133 | Diamond Trading & Pipeline Corp only | Fairfield | Bexar | 2 | 575 | 40 | by Jan 1993 – Jan 1998 |
| Kunkel "A" O-13-26422 | Kelly Mahler Operating, LLC only | Archer County Regular | Archer | 1 | 428 | 27 | by Jan 1993 – Apr 1996 |
| Mahler "A" O-14-4868 | Golden Gas Production Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 150 | 40K | by Jan 1993 – Dec 1994 |
| Mahler "D" O-14-7273 | Crescendo Resources, L.P. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 55 | 4.29K | Jun 1998 – Nov 1998 |
| Mahler B O-14-6771 | Phillips Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 31 | 4.74K | by Jan 1993 – Apr 1993 |
| Mahler, Caroline O-13-18942 | Hydro Geology Drilling only | Archer County Regular | Archer | 1 | 14 | 18 | by Jan 1993 – Jan 1997 |
| Mahler O-13-25474 | Whitehead Prod. Co., Inc. only | Cascade (Mississippian) | Archer | 1 | 2 | 1 | Aug 1993 – Aug 1993 |
| Goldsmith O-13-210 | Mahler & Scott only | Archer County Regular | Archer | 7 | 0 | 0 | — |
| Mahler & Scott O-13-17648 | Ellis, F. L. Oil & Gas Co. only | Young County Regular | Young | 1 | 0 | 0 | — |
| Mahler & Scott Fee O-13-23979 | Mahler & Scott only | Archer County Regular | Archer | 1 | 0 | 2 | Mar 1993 – Sep 1994 |
| King, B. W. "C" O-13-31387 | Kelly Mahler Operating, LLC only | Young County Regular | Young | 1 | 0 | 0 | — |
| Mahler 27 O-14-8463 | Amarillo Exploration, Inc. only | Mendota, NW. (Granite Wash) | Roberts | 1 | 0 | 0 | — |
| Nellie Prideaux B O-13-33153 | Kelly Mahler Operating, LLC only | Young County Regular | Young | 1 | 0 | 0 | — |