| Kathryn Ida Unit O-10-50374 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 9 | 2.81M | 5.85M | Mar 2018 – Apr 2026 |
| Kathryn Ida Unit West O-10-54436 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 4 | 1.06M | 2.24M | Jun 2019 – Apr 2026 |
| Kathryn '43-42' O-9-19823 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 3 | 901K | 4.68M | Oct 2017 – Apr 2026 |
| Kathryn 44-5-A O-9-20904 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 2 | 771K | 2.59M | Oct 2019 – Apr 2026 |
| Kathryn O-10-24190 | Diamondback E&P LLC only | RK (Devonian) | Martin | 2 | 755K | 1.3K | Jan 1993 – Nov 2020 |
| Kathryn O-9-15698 | SM Energy Company only | Spraberry (Trend Area) | Upton | 15 | 737K | 2.28M | Mar 2005 – Apr 2026 |
| Dorcus Brenda Kathryn (SA) B O-9-21246 | SM Energy Company only | Spraberry (Trend Area) | Upton | 3 | 727K | 1.2M | Jun 2021 – Apr 2026 |
| Kathryn (44-5) O-9-19854 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 3 | 697K | 5.8M | Nov 2017 – Apr 2026 |
| Dorcus Brenda Kathryn (SA) C O-9-21247 | SM Energy Company only | Spraberry (Trend Area) | Upton | 2 | 681K | 1.44M | Jun 2021 – Apr 2026 |
| Kathryn Ida A O-10-54917 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 2 | 649K | 1.51M | Jun 2019 – Apr 2026 |
| Kathryn 41-32 O-9-19117 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 1 | 543K | 1.82M | Apr 2015 – Apr 2026 |
| Kathryn 43-42 O-9-19414 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 1 | 536K | 1.46M | Jun 2016 – Apr 2026 |
| Kathryn '44-5' O-9-19289 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 1 | 527K | 2.35M | Feb 2016 – Apr 2026 |
| Kathryn 43 and 42 O-9-20073 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 3 | 522K | 3.2M | Sep 2018 – Apr 2026 |
| Kathryn Keathley Unit A O-2-9604 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 3 | 488K | 1.07M | Feb 2011 – Apr 2026 |
| Kathryn 44 and 5 O-9-19421 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 1 | 487K | 815K | Jun 2016 – Apr 2026 |
| Dorcus Brenda Kathryn (SA) A O-9-21255 | SM Energy Company only | Spraberry (Trend Area) | Upton | 1 | 460K | 661K | Jun 2021 – Apr 2026 |
| Dorcus Brenda Kathryn (SA) D O-9-21297 | SM Energy Company only | Spraberry (Trend Area) | Upton | 1 | 373K | 558K | May 2021 – Apr 2026 |
| Kathryn Keathley Unit D O-2-9909 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 372K | 905K | Mar 2012 – Apr 2026 |
| Brenda Kathryn (SA) K O-9-19667 | SM Energy Company only | Spraberry (Trend Area) | Upton | 4 | 365K | 1.49M | Aug 2017 – Apr 2026 |
| Kathryn Keathley Unit C O-2-9893 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 349K | 817K | Feb 2012 – Apr 2026 |
| Brenda Kathryn (SA) B O-9-22041 | SM Energy Company only | Spraberry (Trend Area) | Upton | 2 | 341K | 866K | May 2023 – Apr 2026 |
| Kathryn 44-5 O-9-19144 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 1 | 315K | 1M | Sep 2015 – Apr 2026 |
| Kathryn Keathley C-B-E Ulw A O-2-13004 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 312K | 710K | Aug 2024 – Apr 2026 |
| Kathryn Keathley Unit B O-2-9778 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 304K | 646K | Dec 2011 – Apr 2026 |
| Kathryn '41-32' O-9-19292 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 1 | 302K | 893K | Feb 2016 – Apr 2026 |
| Kathryn Keathley C-B Usw A O-2-12996 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 300K | 684K | Aug 2024 – Apr 2026 |
| Kathryn 43-42-B-44 O-9-19944 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Reagan | 1 | 290K | 1.02M | Sep 2018 – Apr 2026 |
| Brenda Kathryn (SA) A O-9-22040 | SM Energy Company only | Spraberry (Trend Area) | Upton | 1 | 281K | 298K | May 2023 – Apr 2026 |
| Kathryn Keathley C-B Usw C O-2-12998 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 275K | 654K | Aug 2024 – Apr 2026 |
| Kathryn Ktly Abc Ulw A O-2-13003 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 252K | 775K | Nov 2022 – Apr 2026 |
| Kathryn Keathley C-B Usw B O-2-12997 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 248K | 694K | Aug 2024 – Apr 2026 |
| Kathryn Keathley Unit E O-2-9931 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 237K | 531K | Aug 2012 – Apr 2026 |
| Kathryn Keathley D-a Usw A O-2-13027 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 232K | 577K | Nov 2022 – Apr 2026 |
| Brenda Kathryn (SA) R O-9-19751 | SM Energy Company only | Spraberry (Trend Area) | Upton | 1 | 230K | 402K | Aug 2017 – Feb 2021 |
| Brenda Kathryn (SA) AI O-9-19666 | SM Energy Company only | Spraberry (Trend Area) | Upton | 1 | 213K | 462K | Aug 2017 – Feb 2021 |
| Kathryn Keathley D-a Usw B O-2-12992 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 177K | 508K | Nov 2022 – Mar 2026 |
| Brenda Kathryn (SA) AU O-9-19665 | SM Energy Company only | Spraberry (Trend Area) | Upton | 1 | 169K | 250K | Aug 2017 – Feb 2021 |
| Brenda Kathryn (SA) C O-9-22050 | SM Energy Company only | Spraberry (Trend Area) | Upton | 1 | 158K | 333K | May 2023 – Apr 2026 |
| Kathryn "B" O-14-5952 | Burk Royalty Co., Ltd. only | Coldwater (-K- Zone) | Sherman | 2 | 126K | 283K | Jan 1993 – Apr 2026 |
| Kaltenbach, Kathryn Unit O-3-17798 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 2 | 74.9K | 1.83M | Jan 1993 – Apr 2026 |
| Kathryn G-3-122031 | Young, John H., Inc. only | Rocky Creek (Edwards) | Fayette | 1 | 22.8K | 6.26M | Jan 1993 – Jan 2020 |
| Robertson, Kathryn O-13-10307 | Doolaree Corporation only | Sherman (Pennsylvanian 8100) | Grayson | 2 | 20.5K | 184K | Jan 1993 – Apr 2026 |
| Kathryn O-2-8484 | Dewbre Petroleum Corporation only | Hilly Desire (Wilcox A) | De Witt | 2 | 19.3K | 87.8K | Oct 1999 – May 2015 |
| Kathryn G-3-131026 | Young, John H., Inc. only | Rocky Creek (Edwards) | Fayette | 1 | 19.1K | 2.92M | Jan 1993 – Nov 2014 |
| Elliott, Kathryn O-8-18593 | B & B Oil, Inc. only | Hawk Eye (Adams Branch) | Eastland | 6 | 10.1K | 21 | Jan 1993 – Jun 2009 |
| Lee, Kathryn G-2-137922 | Nordstrand Engineering, Inc. only | Lost Bridge (Germer) | Jackson | 1 | 5.86K | 1.58M | Jan 1993 – Dec 2011 |
| Jackson, Kathryn G-4-228276 | Merit Energy Company only | Monte Christo (Frio Cons.) | Hidalgo | 1 | 5.37K | 1.51M | Jun 2007 – Apr 2026 |
| Kathryn G-2-173614 | Austin Resources Corporation only | Hilly Desire (Wilcox A) | De Witt | 1 | 4.52K | 241K | Mar 1999 – Oct 1999 |
| Kathryn -112- O-14-7014 | EOG Resources, Inc. only | Morgan (Cottage Grove) | Lipscomb | 1 | 3.74K | 88K | Jan 1995 – Dec 1999 |