| Jackson, Felix, et Al O-3-3312 | Denbury Onshore, LLC only | Oyster Bayou | Chambers | 61 | 2.67M | 15.6M | Jan 1993 – May 2010 |
| Jack Mohr Unit 2 O-10-54783 | XTO Energy Inc. only | Spraberry (Trend Area) | Martin | 10 | 2.27M | 6.25M | Jan 2022 – Apr 2026 |
| West Brantley Jackson SM. Unit O-5-1949 | Sulphur River Exploration, Inc. only | Brantley Jackson, W (Smackover) | Hopkins | 13 | 2.26M | 1.9M | Jan 1993 – Apr 2026 |
| Brantley Jackson Smackover Unit O-5-1887 | Sulphur River Exploration, Inc. only | Brantley Jackson (Smackover) | Hopkins | 16 | 2.18M | 2.96M | Jan 1993 – Apr 2026 |
| Jack Mohr Unit 1 O-10-55142 | XTO Energy Inc. only | Spraberry (Trend Area) | Martin | 10 | 2.07M | 5.18M | Jan 2022 – Apr 2026 |
| Jack Mohr Unit 3 O-10-54895 | XTO Energy Inc. only | Spraberry (Trend Area) | Martin | 9 | 2.02M | 5.13M | Feb 2022 – Apr 2026 |
| Jack State a Unit O-10-51699 | U.S. Energy Development Corp only | Two Georges (Bone Spring) | Reeves | 4 | 1.99M | 6.21M | Feb 2019 – Apr 2026 |
| Madjack 522 O-11-70385 | Burk Royalty Co., Ltd. only | Platang (San Andres) | Yoakum | 6 | 1.98M | 4.65M | Nov 2014 – Apr 2026 |
| Waterflood Unit #1 O-3-8909 | Enhanced Energy Partners Corp only | Raccoon Bend (Jackson) | Austin | 77 | 1.6M | 242K | Jan 1993 – Apr 2026 |
| Yellowjacket UL Unit 19-3 O-10-47109 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 3 | 1.39M | 2.09M | Sep 2015 – Apr 2026 |
| Black Jack 16 O-10-45553 | Noble Energy Inc only | Wolfbone (Trend Area) | Reeves | 5 | 1.27M | 2.72M | Jun 2014 – Apr 2026 |
| Jackal State 28 O-10-44641 | Centennial Resource Prod, LLC only | Wolfbone (Trend Area) | Reeves | 8 | 1.17M | 1.81M | Mar 2013 – Jan 2020 |
| Jackson, Wm. O-14-311 | Petco Energy Corporation only | Panhandle Gray County Field | Gray | 9 | 1.02M | 216K | Jan 1993 – Apr 2026 |
| Jackpot 55-42 O-10-55390 | Bayswater Operating Company LLC only | Spraberry (Trend Area) | Howard | 6 | 970K | 2.13M | Dec 2020 – Apr 2026 |
| Jack 25C-13-A O-9-21342 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Upton | 1 | 889K | 2.22M | May 2021 – Apr 2026 |
| Amberjack 39 O-10-43138 | Apache Corporation only | Jailhouse (Fusselman) | Glasscock | 2 | 885K | 452K | May 2012 – Apr 2026 |
| Jackson, et al - Blue Quail Unit O-1-17188 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Frio | 5 | 851K | 594K | Sep 2013 – Mar 2026 |
| Wilkinson-Broaddus O-10-33581 | Pioneer Natural Res. USA, Inc. only | K-Jack (Fusselman) | Howard | 1 | 803K | 17.7K | Jan 1993 – Feb 2018 |
| Wilcox Oil U 1 O-3-21424 | Danmark Energy Services, Inc. only | Jacks Creek (Wilcox E) | Tyler | 1 | 764K | 1.85M | Jan 1993 – Sep 2016 |
| Jackson Trust C 12-TTT-C24 NL O-10-47144 | Matador Production Company only | Phantom (Wolfcamp) | Loving | 3 | 760K | 1.38M | Jun 2015 – Apr 2026 |
| Jack State B Unit O-10-51873 | U.S. Energy Development Corp only | Phantom (Wolfcamp) | Reeves | 2 | 745K | 1.73M | Feb 2019 – Apr 2026 |
| Jack Meeks 01 O-2-9926 | Crescent Energy Operating, LLC only | Eagleville (Eagle Ford-2) | Live Oak | 6 | 744K | 906K | Apr 2011 – Apr 2026 |
| Jack Rabbit Special 28-33 O-10-57908 | SM Energy Company only | Spraberry (Trend Area) | Dawson | 2 | 718K | 367K | Apr 2022 – Apr 2026 |
| Burkes, Jack D. O-10-27765 | Fasken Oil and Ranch, Ltd. only | Germania (Grayburg) | Midland | 11 | 718K | 185K | Jan 1993 – Apr 2026 |
| Jack 25B-13B-E O-9-21411 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Upton | 1 | 684K | 2M | May 2021 – Apr 2026 |
| Exxon Mineral Fee O-3-20621 | Rusk Energy Operating LLC only | Jacks Creek (Wilcox E) | Tyler | 5 | 682K | 1.88M | Jan 1993 – Feb 2023 |
| Jack 25C-13A-D O-9-21343 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Upton | 1 | 665K | 2.22M | May 2021 – Apr 2026 |
| Jack 25C-13A-C O-9-21353 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Upton | 1 | 663K | 2.15M | May 2021 – Apr 2026 |
| Bean, Jack O-7-8345 | Basa Resources, Inc. only | East Texas | Rusk | 17 | 656K | 197K | Jan 1993 – Apr 2026 |
| Jack Young Unit A O-2-9975 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 638K | 1.36M | Jun 2012 – Jun 2024 |
| Lumberjack 32 O-10-44920 | Apache Corporation only | Spraberry (Trend Area) | Glasscock | 6 | 623K | 4.64M | Oct 2013 – Apr 2026 |
| Happy Jack O-10-56721 | Crescent Energy Operating, LLC only | Wolfbone (Trend Area) | Reeves | 3 | 612K | 1.99M | Dec 2021 – Apr 2026 |
| Jack 25B-24C-G O-9-21020 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Upton | 2 | 610K | 1.87M | Feb 2020 – Apr 2026 |
| Jack 25B-24C-H O-9-21024 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Upton | 2 | 601K | 2.01M | Feb 2020 – Apr 2026 |
| Yellowjacket UL Unit 19-3 O-10-50764 | Anadarko E&P Onshore LLC only | Sandbar (Bone Spring) | Loving | 1 | 595K | 1.06M | Jul 2018 – Apr 2026 |
| Jackson (Clearfork) Unit O-11-68701 | Cross Timbers Energy, LLC only | Prentice (6700) | Terry | 25 | 588K | 135K | Sep 2004 – Apr 2026 |
| Spears-Jackson-Forbes Unit O-13-28710 | Cobra Oil & Gas Corporation only | Berry (Miss.) | Hardeman | 2 | 565K | 9 | Jan 1994 – Apr 2026 |
| Jackson, et al-Bobwhite Unit O-1-18421 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Frio | 3 | 560K | 284K | Mar 2016 – Mar 2026 |
| Otto Gas Unit No. 1 G-4-195099 | Roy Jackson Energy Operating, LL only | Kingsville, SW (Cochiti) | Kleberg | 1 | 556K | 2.56M | May 2003 – Dec 2023 |
| Jack Unit O-1-17660 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | La Salle | 2 | 556K | 726K | May 2014 – Apr 2026 |
| Waterflood Unit #2 O-3-8910 | Enhanced Energy Partners Corp only | Raccoon Bend (Jackson) | Austin | 45 | 527K | 67.4K | Jan 1993 – Apr 2026 |
| Jack 25C-13-B O-9-21354 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Upton | 1 | 522K | 1.66M | May 2021 – Apr 2026 |
| George Ranch G-3-182228 | Roy Jackson Energy Operating, LL only | Smithers Lake (Yegua EY-1) | Fort Bend | 1 | 521K | 7.71M | Nov 2000 – Apr 2025 |
| Smith Gas Unit 1 G-4-187132 | Roy Jackson Energy Operating, LL only | Kingsville, SW (Cochiti) | Kleberg | 1 | 493K | 3.78M | Oct 2001 – May 2017 |
| Yellow Jacket 1716 G-10-286336 | Northstar Resources, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 471K | 3.32M | May 2019 – Apr 2026 |
| George Ranch G-3-182762 | Roy Jackson Energy Operating, LL only | Smithers Lake (Yegua EY-1) | Fort Bend | 1 | 467K | 10.9M | Mar 2001 – Apr 2025 |
| Murphy O-10-37070 | Mulloy Operating, Inc. only | K-Jack (Fusselman) | Howard | 1 | 456K | 0 | Feb 2003 – Mar 2026 |
| Blackjack Unit 'A' O-2-10124 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-2) | Karnes | 2 | 447K | 2.2M | May 2012 – Apr 2026 |
| Jackson Heirs Unit O-3-24239 | Noble Energy Inc only | Double Bayou, S. (Text W) | Chambers | 1 | 417K | 445K | Aug 2002 – Dec 2012 |
| Jackson, Wm. O-14-598 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 13 | 416K | 1.24M | Jan 1993 – Apr 2026 |