| Gilbert O-1-11623 | Red Chalk Resources LLC only | Fairfield | Bexar | 35 | 39.6K | 22 | by Jan 1993 – Jun 2013 |
| Gray O-14-2920 | Oilwell Operators, Inc. only | Panhandle Gray County Field | Gray | 19 | 39.5K | 1.17M | by Jan 1993 – Aug 2026 |
| Whitfield-Martin GU G-1-198806 | Varas Energy Operating Company, only | Spaulding (Wilcox Slick) | McMullen | 1 | 39.4K | 3.53M | Oct 2003 – Mar 2026 |
| Rexer-Neuhaus G-2-178003 | Newfield Exploration Company only | Provident City (Wilcox 11,500) | Lavaca | 1 | 39.3K | 6.72M | Apr 2000 – Aug 2014 |
| Jones, M. O-7-7274 | Bbhp Oilfield Services LLC only | East Texas | Gregg | 1 | 39.2K | 22.7K | by Jan 1993 – Jun 2018 |
| Holmes -WF- O-14-3046 | Red Line Company, Ltd. only | Panhandle Gray County Field | Gray | 14 | 39K | 3.82K | by Jan 1993 – Aug 2026 |
| Harrah, W. W. (T) O-14-641 | Large Operating LLC only | Panhandle Gray County Field | Gray | 14 | 39K | 225K | by Jan 1993 – Jul 2026 |
| Doss O-14-508 | Pantera Energy Company only | Panhandle Gray County Field | Gray | 13 | 38.9K | 625K | by Jan 1993 – Apr 2020 |
| Deerfield Unit O-3-21368 | Sage Energy Company only | Giddings (Austin Chalk-3) | Brazos | 2 | 38.9K | 288K | by Jan 1993 – Sep 1996 |
| Saunders, J. M. O-14-605 | S & W Oil & Gas, LLC only | Panhandle Gray County Field | Gray | 11 | 38.8K | 166K | by Jan 1993 – Aug 2026 |
| Field "A" O-11-66664 | Woodbine Production Corporation only | Wasson | Yoakum | 1 | 38.8K | 26 | by Jan 1993 – Jul 2026 |
| Hrivnatz McBride O-3-26372 | S & S Operating Company, Inc. only | Red Bear (Cockfield) | Tyler | 1 | 38.8K | 10.8K | Jun 2013 – Aug 2026 |
| Carter-Reynolds O-14-431 | O.G.P. Operating, Inc. only | Panhandle Gray County Field | Gray | 1 | 38.8K | 93 | by Jan 1993 – Jul 2026 |
| Berger-Porterfield Unit O-3-21523 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 1 | 38.5K | 382K | by Jan 1993 – Jan 2000 |
| Neely O-13-30358 | Mash Oilfield Services, LP only | Stoneburg, S. (Congl.) | Montague | 1 | 38.5K | 76.7K | Sep 2004 – Jul 2021 |
| Cage-Briscoe B 144H Unit O-1-14798 | Newfield Exploration Company only | Comanche-Halsell (6500) | Maverick | 1 | 38.4K | 0 | Oct 2006 – Jul 2011 |
| Hartt Gas Unit G-2-200558 | Newfield Exploration Company only | Provident City (Wilcox 11,900) | Lavaca | 1 | 38.4K | 1.52M | Dec 2002 – Feb 2007 |
| Brightwell-Springfield O-6-14574 | Fairway Operating, Inc. only | Minden (Travis Peak Cons.) | Rusk | 1 | 38.4K | 86.7K | Apr 2006 – Aug 2026 |
| McDowell "D" O-14-4813 | Pantera Energy Company only | Panhandle Moore County Field | Moore | 3 | 38.4K | 184K | by Jan 1993 – Aug 2026 |
| Cage-Briscoe B245 Unit O-1-14737 | Newfield Exploration Company only | Comanche-Halsell (6500) | Maverick | 1 | 38.3K | 0 | Mar 2006 – Sep 2010 |
| McAllen Fieldwide Unit G-4-166058 | Merit Energy Company only | McAllen-Pharr (Consolidated) | Hidalgo | 1 | 38.3K | 2.85M | Mar 1997 – Oct 1999 |
| Coffield B-7A O-3-11868 | Betro, Inc. only | Noack Cowherd, NE (3400) | Burleson | 4 | 38.3K | 124K | by Jan 1993 – Aug 2026 |
| Slaughter "18" O-9-15315 | Vaquero Operating only | Sheffield, SE (Devonian) | Pecos | 1 | 38.2K | 382K | Jun 2002 – Aug 2026 |
| Dun O-14-351 | Bradley Operating Co. only | Panhandle Gray County Field | Gray | 4 | 38.1K | 135K | by Jan 1993 – Aug 2026 |
| Tribar-Schoolfield G-1-138950 | Lewis Petro Properties, Inc. only | Tri Bar (Olmos) | La Salle | 1 | 38.1K | 1.58M | by Jan 1993 – Aug 2026 |
| Crawar Field Unit O-10-986 | Pitts Energy Co. only | Crawar (Waddell) | Ward | 5 | 37.9K | 101K | by Jan 1993 – Feb 2003 |
| Sneed 3 O-14-6873 | Lasater & Co, Inc. only | Panhandle Moore County Field | Moore | 3 | 37.9K | 75.3K | by Jan 1993 – Aug 2026 |
| Waterfield 'B' 100 G-14-272268 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 37.8K | 1.36M | Aug 2013 – Aug 2026 |
| Porter, D. H. O-14-1981 | Top O'Texas Energy, L.P. only | Panhandle Wheeler County Field | Wheeler | 6 | 37.8K | 192 | by Jan 1993 – Aug 2026 |
| Coffield, H. H., Unit O-1-3774 | Sheldon Resources, L.P. only | Milbur (Wilcox 2760) | Milam | 1 | 37.8K | 19 | by Jan 1993 – Jul 2020 |
| Bahr Interest et Al G-3-157025 | Redbird Oilfield Services Corp. only | Cross Creek (Wilcox) | Harris | 1 | 37.8K | 2.57M | Oct 1995 – Aug 2026 |
| Tiller -A- O-6-3503 | JHS Oilfield Services LLC only | Bethany, NE. (Lime 3850) | Panola | 5 | 37.7K | 31.3K | by Jan 1993 – Aug 2026 |
| Tribar-Schoolfield G-1-175376 | Lewis Petro Properties, Inc. only | Tri Bar (Olmos) | La Salle | 1 | 37.7K | 1.79M | Oct 1999 – Jul 2026 |
| Burnett, S. B. NCT-1 O-14-1529 | Large Operating LLC only | Panhandle Carson County Field | Carson | 2 | 37.6K | 38.1K | by Jan 1993 – Jul 2026 |
| Taylor, W. H. "L" O-14-4487 | Oilwell Operators, Inc. only | Panhandle Gray County Field | Gray | 2 | 37.6K | 65.1K | by Jan 1993 – Aug 2026 |
| Winfield Ranch Redbarn O-10-45649 | Cockrell Production Co., Inc. only | Wolfbone (Trend Area) | Pecos | 2 | 37.6K | 103K | Jul 2014 – Mar 2019 |
| Peeler, Graves O-1-14059 | Thalmann Oilfield only | Peeler Ranch (Wales) | McMullen | 1 | 37.5K | 0 | Aug 1996 – May 2025 |
| Nicholson O-14-2532 | Bce-Mach III LLC only | Panhandle Carson County Field | Carson | 11 | 37.4K | 235K | by Jan 1993 – May 2020 |
| Bell O-14-4801 | Large Operating LLC only | Panhandle Gray County Field | Gray | 15 | 37.3K | 77.5K | by Jan 1993 – Apr 2019 |
| Julia Whitfield O-6-15133 | TGNR Panola LLC only | Carthage (Travis Peak 6400) | Panola | 2 | 37.2K | 534K | Feb 2012 – Jan 2021 |
| Percival, F. E. O-14-139 | Little Oil & Gas only | Panhandle Carson County Field | Carson | 5 | 37.1K | 326K | by Jan 1993 – Aug 2026 |
| Celeste "B" O-14-6616 | Kodiak Operating, LLC only | Panhandle Moore County Field | Moore | 1 | 37.1K | 39.4K | by Jan 1993 – Aug 2026 |
| Merten, H. H. O-14-332 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 13 | 37K | 70.3K | by Jan 1993 – Apr 2023 |
| Chapman, A. -a- NCT-3 O-14-1534 | Diamond S Energy Company only | Panhandle Gray County Field | Gray | 11 | 37K | 24.4K | by Jan 1993 – Aug 2026 |
| SB-A O-11-496 | Aviator Energy, LLC only | Brownfield, South (Canyon) | Terry | 6 | 37K | 30.8K | by Jan 1993 – Nov 2016 |
| Coffield-Lockhart O-1-12292 | Ads Oil & Gas, Inc. only | Emily A. (Wilcox 1990) | Milam | 1 | 37K | 20 | by Jan 1993 – Oct 2001 |
| Bobbitt, Ethel, -A- O-14-3509 | Bce-Mach III LLC only | Panhandle Carson County Field | Carson | 4 | 36.9K | 218K | by Jan 1993 – Oct 2021 |
| Holmes O-14-259 | Oilwell Operators, Inc. only | Panhandle Gray County Field | Gray | 4 | 36.9K | 175K | by Jan 1993 – Aug 2026 |
| Powell -C- O-14-583 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 4 | 36.8K | 131K | by Jan 1993 – Aug 2026 |
| Barfield 5C O-10-46188 | Clear Water Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 36.8K | 39.7K | Jan 2014 – Aug 2026 |