| Cooper B & E O-14-138 | Large Operating LLC only | Panhandle Carson County Field | Carson | 20 | 51.7K | 163K | by Jan 1993 – Nov 2015 |
| Pharr Fieldwide Unit G-4-169612 | Shell Western E&P only | Pharr (Reichert) | Hidalgo | 1 | 51.6K | 5.99M | May 1998 – Jun 2005 |
| Tindall, J. M. O-14-1456 | Lionheart Energy Corporation only | Panhandle Wheeler County Field | Wheeler | 4 | 51.6K | 18.9K | by Jan 1993 – Aug 2026 |
| Stubblefield, E. P. O-2-119 | KDM Operating, LLC only | Bloomington (4600) | Victoria | 7 | 51.6K | 12.7K | by Jan 1993 – Nov 2012 |
| Boren O-11-14096 | BBS Oil Field Services Inc only | Post (Glorieta) | Garza | 5 | 51.6K | 324 | by Jan 1993 – Jul 2026 |
| Whitfield G-2-191449 | Wynn-Crosby Operating, Ltd. only | Nordheim, SW. (11,600) | De Witt | 1 | 51.5K | 4.27M | May 2002 – Aug 2009 |
| Garner, C. R. C&D O-14-165 | Kodiak Operating, LLC only | Panhandle Carson County Field | Carson | 14 | 51.5K | 289K | by Jan 1993 – Aug 2026 |
| Gulf Wm. Winfree Fee O-3-3260 | Orangefield Operating Corporatio only | Orange | Orange | 6 | 51.4K | 29 | by Jan 1993 – Aug 2023 |
| McAllen Fieldwide Unit O-4-11916 | Merit Energy Company only | McAllen (Biedenharn, Upper) | Hidalgo | 4 | 51.3K | 316K | by Jan 1993 – Dec 2000 |
| Smith O-10-22532 | Bustamante Oil Company only | Sheffield Townsite (Connell) | Pecos | 1 | 51.1K | 1.04K | by Jan 1993 – Aug 2026 |
| Whitfield Unit G-14-278165 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 51.1K | 342K | Nov 2014 – Aug 2026 |
| Coffield-Smith "E" O-3-14776 | Betro, Inc. only | Inez Jameson (Navarro -A-) | Burleson | 2 | 51K | 195K | by Jan 1993 – Aug 2026 |
| Whitfield Unit G-14-278166 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 50.8K | 320K | Nov 2014 – Aug 2026 |
| Hynes, James Agnes O-2-5327 | Formation Resour Field Svcs, LLC only | Papalote, E. (3200 Stringer) | Bee | 2 | 50.6K | 19.9K | by Jan 1993 – Dec 2009 |
| Barrett -A- O-14-342 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 4 | 50.5K | 97.3K | by Jan 1993 – Aug 2026 |
| Parks Field Unit No. 2 O-10-27046 | COG Operating LLC only | Bryant -G- (Strawn) | Midland | 10 | 50.5K | 503K | by Jan 1993 – Mar 2009 |
| Reed Martin Oil Unit O-13-29741 | Mash Oilfield Services, LP only | Lost Valley (Caddo) | Jack | 1 | 50.4K | 75.2K | Feb 2000 – Nov 2023 |
| Riley -A- O-14-561 | Chase Production Company only | Panhandle Gray County Field | Gray | 6 | 50.2K | 764K | by Jan 1993 – May 2026 |
| Cooper O-13-2651 | Muirfield Exploration, Ltd. only | Foard County Regular | Foard | 8 | 50.1K | 22 | by Jan 1993 – Aug 2026 |
| Smallfield, Adolph O-3-25334 | Wildfire Energy Operating LLC only | Giddings (Buda) | Brazos | 1 | 50K | 910K | Mar 2009 – Jul 2026 |
| Albert O-14-7268 | J. W. Resources Inc. only | Panhandle Moore County Field | Moore | 4 | 50K | 85.1K | Aug 1998 – Aug 2026 |
| Fielden O-13-32271 | Longfellow Energy, LP only | Denison, S. (Woodlake) | Grayson | 1 | 49.9K | 414K | Dec 2011 – Aug 2026 |
| Satterfield O-10-29514 | Parsley Energy Operations, LLC only | Spraberry (Trend Area) | Midland | 2 | 49.9K | 190K | by Jan 1993 – Oct 2015 |
| E-Key O-14-245 | Henry Paul Petroleum, LLC only | Panhandle Gray County Field | Gray | 4 | 49.9K | 72.6K | by Jan 1993 – Aug 2026 |
| BP Cats Back O-3-26567 | Davis Southern Operating Co LLC only | Drakes Branch, W.(cockfield 7TH) | Tyler | 1 | 49.8K | 99.8K | Jan 2014 – Feb 2025 |
| Waterfield, J.B. G-14-264969 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 49.7K | 1.29M | Mar 2011 – Aug 2026 |
| Waterfield G-14-262731 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 49.7K | 2.12M | Feb 2011 – Aug 2026 |
| Raymond O-14-3234 | Bce-Mach III LLC only | Panhandle Gray County Field | Gray | 15 | 49.5K | 152K | by Jan 1993 – Dec 2024 |
| Majestic O-14-6011 | Kodiak Operating, LLC only | Panhandle Moore County Field | Moore | 13 | 49.3K | 1.89M | by Jan 1993 – Aug 2026 |
| Patriot Y O-3-27144 | Paleo Oil Company LLC only | BB (Cockfield) | Grimes | 2 | 49.3K | 0 | Jan 2016 – Jul 2026 |
| Seth O-14-5731 | Large Operating LLC only | Panhandle Moore County Field | Moore | 6 | 49.3K | 1.36M | by Jan 1993 – Jul 2026 |
| Fields No. 2 Barnettshale Unit O-13-29970 | EOG Resources, Inc. only | St. JO Ridge (Barnett Shale) | Montague | 1 | 49.2K | 134K | Sep 2001 – May 2010 |
| Edes O-14-1408 | Exxcel Production Company only | Panhandle Wheeler County Field | Wheeler | 4 | 49.2K | 108K | by Jan 1993 – Aug 2026 |
| Webb -a- Battery #1 O-14-558 | Red Line Company, Ltd. only | Panhandle Gray County Field | Gray | 9 | 49.2K | 83.2K | by Jan 1993 – Aug 2026 |
| Gearhart-Thaxton O-14-6306 | J. W. Resources Inc. only | Panhandle Moore County Field | Moore | 1 | 49K | 22.1K | by Jan 1993 – Jul 2026 |
| Church-Box G-6-292116 | Buckhorn Operating LLC only | Brachfield, S.E. (Cotton Valley) | Panola | 1 | 48.9K | 2.49M | Jun 2021 – Aug 2026 |
| Campbell Tr. 3 O-10-37202 | Killer Rabbit Fields LLC only | Kermit (McKee) | Winkler | 3 | 48.8K | 751K | Sep 2003 – Jul 2020 |
| Asher Fee O-14-6584 | Large Operating LLC only | Panhandle Moore County Field | Moore | 15 | 48.7K | 3.59M | by Jan 1993 – Apr 2021 |
| Ware, R. C. et Al O-14-6857 | Bce-Mach III LLC only | Panhandle Carson County Field | Carson | 19 | 48.7K | 147K | by Jan 1993 – Dec 2021 |
| Ruple Farms Unit O-1-20787 | Field Petroleum Corp. only | Pruitt, SE. (Olmos) | Atascosa | 1 | 48.6K | 87.6K | May 2022 – Aug 2026 |
| Hunt O-13-27453 | Mash Oilfield Services, LP only | Archer County Regular | Archer | 2 | 48.4K | 258 | by Jan 1993 – Dec 2022 |
| Mills, Nona Field Unit O-3-3203 | Western Energy Group, LLC only | Nona Mills (-B- Sand) | Hardin | 8 | 48.1K | 258K | by Jan 1993 – Mar 2020 |
| Ware O-14-111 | Red Line Company, Ltd. only | Panhandle Carson County Field | Carson | 18 | 48.1K | 80.8K | by Jan 1993 – Aug 2026 |
| Crumpacker O-14-1780 | Pantera Energy Company only | Panhandle Carson County Field | Carson | 11 | 48.1K | 281K | by Jan 1993 – Jul 2020 |
| Littlefield San Andres Fld. Unit O-11-60085 | WG Oil, LLC only | Littlefield (San Andres) | Lamb | 19 | 47.9K | 154 | by Jan 1993 – Apr 2020 |
| Blakely, Bassett -B- O-3-1132 | Orangefield East Corp only | Danbury Dome (5655 Sand) | Brazoria | 9 | 47.8K | 21 | by Jan 1993 – Apr 2023 |
| Gordon O-14-7648 | Fortay, Inc. only | Panhandle Moore County Field | Moore | 5 | 47.5K | 248K | Jun 2006 – Jan 2023 |
| Heitholt, Henry O-14-395 | Minco Oil and Gas Co. only | Panhandle Gray County Field | Gray | 12 | 47.4K | 115K | by Jan 1993 – Aug 2018 |
| Cantrell, J. W. O-14-386 | 6A Production only | Panhandle Gray County Field | Gray | 4 | 47.2K | 47.2K | by Jan 1993 – Aug 2026 |
| Pritchard -C- O-14-1348 | Burk Royalty Co., Ltd. only | Panhandle Moore County Field | Moore | 9 | 47.1K | 750K | by Jan 1993 – Sep 2024 |