| Alexander Murphy G-1-263544 | BPX Operating Company only | Hawkville (Eagleford Shale) | McMullen | 1 | 144K | 566K | Jan 2012 – Aug 2026 |
| Alexander Unit 66 O-14-9078 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 2 | 143K | 836K | Aug 2013 – Apr 2026 |
| Alexander-Wessendorff 1 (SA) A6 G-2-287858 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 135K | 2.38M | Jul 2019 – Aug 2026 |
| Cox Alexander O-10-39221 | New Height Energy, LLC only | Spraberry (Trend Area) | Howard | 3 | 117K | 332K | Mar 2008 – Mar 2018 |
| Alexander O-9-6874 | Apache Corporation only | Spraberry (Trend Area) | Reagan | 5 | 116K | 409K | by Jan 1993 – Jul 2020 |
| Alexander Estate O-8-15792 | Laneer Resources Company only | Alexander, S. (Canyon, LO) | Stonewall | 21 | 113K | 72 | by Jan 1993 – Aug 2026 |
| Tracy-Taylor O-6-13179 | Shelby Operating Company only | Waskom (Alexander Sand) | Harrison | 1 | 107K | 461K | Jun 1993 – Aug 2026 |
| Alexander 66 O-14-8859 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 106K | 519K | Jan 2013 – Aug 2026 |
| Alexander, Naomi O-11-5924 | Kala Oil Company only | Slaughter | Hockley | 10 | 104K | 66.5K | by Jan 1993 – Aug 2026 |
| Alexander, Ruth O-11-64161 | Moonshine Resources, LLC only | Anton (Clear Fork, Lower) | Hockley | 1 | 99.9K | 39 | by Jan 1993 – Aug 2026 |
| Alexander 67 O-14-8866 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 2 | 99K | 632K | Mar 2013 – Aug 2026 |
| Alexander State Unit 58-2-24 G-10-292164 | Eqv Operating LLC only | Sandbar (Bone Spring) | Reeves | 1 | 91.6K | 450K | Dec 2021 – Dec 2024 |
| Alexander G-14-263485 | Unbridled Resources, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 90K | 450K | Dec 2011 – Aug 2026 |
| Alexander O-8-2319 | Bluff Creek Petroleum, LLC only | Jones County Regular | Jones | 8 | 87.4K | 20 | by Jan 1993 – Aug 2026 |
| Alexander, Minor -A- O-8-4170 | Bridwell Oil Co. only | Alexander (Canyon Lower) | Stonewall | 1 | 80.5K | 168 | by Jan 1993 – Aug 2026 |
| Alexander, J. H. O-7-8475 | Linder, John Operating Co., LLC only | East Texas | Gregg | 8 | 80.2K | 9.11K | by Jan 1993 – Aug 2019 |
| Alexander, Kathleen Jones O-4-7985 | Nylo Oil & Gas LLC only | Palo Blanco | Brooks | 3 | 74.5K | 21 | by Jan 1993 – May 2025 |
| Alexander, Kathleen Jones O-1-3735 | Jaybird Operating, LLC only | Floresville, E. (Poth B 2800) | Wilson | 5 | 73K | 609 | by Jan 1993 – Jul 2026 |
| Shell-Alexander O-10-33812 | Thompson, J. Cleo only | Zebulon, North (Fusselman) | Howard | 1 | 71.2K | 17 | May 1993 – Mar 2000 |
| Steele O-6-12264 | Brookston Energy, Inc. only | Waskom (Alexander Sand) | Harrison | 1 | 71.1K | 369K | by Jan 1993 – Dec 2019 |
| Alexander-Searcy Unit O-8-15887 | Petex only | Stephens County Regular | Stephens | 1 | 70.6K | 46 | by Jan 1993 – Aug 2026 |
| Alexander O-14-4908 | Sutherland Energy Co., LLC only | Hansford(kinderhook) | Hansford | 1 | 68.1K | 20.3K | by Jan 1993 – Feb 2026 |
| Alexander Trust "N" O-11-60827 | Patton Exploration, Inc. only | Croton (Tannehill) | King | 6 | 65.6K | 20 | by Jan 1993 – Mar 2016 |
| Alexander "A" O-5-3793 | Kilmarnock Oil Company, Inc. only | Powell | Navarro | 2 | 62.3K | 0 | Nov 2004 – Aug 2026 |
| Jobe O-6-12950 | Brookston Energy, Inc. only | Waskom (Alexander Sand) | Harrison | 2 | 60.6K | 137K | by Jan 1993 – May 2021 |
| Alexander, J. H. O-7-7153 | Basa Resources, Inc. only | East Texas | Gregg | 1 | 59.1K | 38.3K | by Jan 1993 – Aug 2026 |
| Alexander 48 G-14-267323 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 57.9K | 2.93M | May 2012 – Aug 2026 |
| Alexander Heirs Gas Unit G-6-267165 | Sabine Energy Inc. only | Henderson, E. (Cotton Valley) | Rusk | 1 | 57.2K | 4.18M | Jul 2012 – Aug 2026 |
| Alexander O-9-13511 | Bowerman Oil & Gas, Inc. only | Speck, SE. (King) | Concho | 2 | 55.6K | 13K | Sep 1993 – Apr 2026 |
| Alexander-Odc O-14-3199 | Hamman Oil & Refining Company only | Clementine (Morrow, Upper) | Hansford | 2 | 54.5K | 494K | by Jan 1993 – Apr 2020 |
| Alexander O-10-34122 | Ozark Exploration, Inc. only | Varel, West (Fusselman) | Howard | 1 | 53.4K | 8 | Feb 1994 – Aug 2026 |
| Goetze, Lena & Freda O-13-5423 | Alexander Oil Properties LLC only | Wichita County Regular | Wichita | 61 | 51.8K | 198 | by Jan 1993 – Nov 2024 |
| Alexander G-14-260548 | Unbridled Resources, LLC only | Washita Creek (Granite Wash) | Hemphill | 1 | 48.7K | 2.03M | Mar 2011 – Aug 2026 |
| Stephenson O-6-12817 | Shelby Operating Company only | Waskom (Alexander Sand) | Harrison | 1 | 47.6K | 336K | by Jan 1993 – Apr 2011 |
| Alexander Unit 48 O-10-43786 | New Height Energy, LLC only | Spraberry (Trend Area) | Howard | 1 | 46.2K | 203K | Feb 2013 – Jun 2026 |
| Alexander O-13-28459 | Gruy Petroleum Management Co. only | Fargo, W. (Strawn Conglomerate) | Wilbarger | 1 | 43.1K | 31 | by Jan 1993 – Apr 1997 |
| Alexander O-9-13021 | Armor Petroleum, Inc. only | Speck, SE. (King) | Concho | 1 | 42.9K | 190K | by Jan 1993 – Nov 2005 |
| Alexander 33 G-14-268169 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 42.6K | 2.49M | Nov 2012 – Aug 2026 |
| Alexander O-11-65327 | Double Barrel Oil LLC only | Levelland | Cochran | 2 | 41.9K | 2.01K | by Jan 1993 – Aug 2026 |
| Alexander G-14-272248 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 40.7K | 1.89M | Jul 2013 – Aug 2026 |
| Alexander Estate "A" O-11-15358 | Patton Exploration, Inc. only | Reutinger (Tannehill, Upper) | King | 5 | 40K | 20 | by Jan 1993 – Jun 2009 |
| Alexander, E.C. O-1-6386 | Centex Pipe & Equipment, Inc. only | Buchanan | Caldwell | 12 | 39.9K | 80.5K | by Jan 1993 – Apr 2023 |
| Alexander, Joab O-11-63352 | Formentera Operations LLC only | Levelland | Cochran | 1 | 39.8K | 140 | by Jan 1993 – Aug 2026 |
| Alexander, O.W. G-6-246830 | TGNR Panola LLC only | Carthage (Travis Peak) | Panola | 1 | 38.2K | 1.07M | Nov 2008 – Jan 2021 |
| Alexander O-8-25232 | Arcadian Mineral Development,llc only | Brown County Regular | Brown | 5 | 37.6K | 34.3K | by Jan 1993 – Jul 2026 |
| Alexander O-11-61856 | S.B. Street Operating, Inc. only | Buggs (Tannehill) | King | 3 | 36.5K | 9 | by Jan 1993 – Sep 2013 |
| Alexander, J.D. O-5-4027 | Valence Operating Company only | Como (Rodessa Hill, Lo.) | Wood | 1 | 35.7K | 70.5K | Jan 2014 – Aug 2026 |
| Alexander G-14-266959 | Unbridled Resources, LLC only | Washita Creek (Granite Wash) | Hemphill | 1 | 35.1K | 1.48M | Mar 2012 – Jan 2023 |
| Alexander Ranch O-8-29696 | Clear Fork, Incorporated only | Oley's Creek (Miss) | Stonewall | 1 | 33.5K | 0 | Mar 2006 – Aug 2026 |
| Alexander G-14-271779 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 32.7K | 1.8M | Nov 2013 – Aug 2026 |