| Texaco Slaughter Estate O-11-67566 | Bce-Mach III LLC only | Tstar (Abo) | Hockley | 25 | 3.48M | 970K | Apr 1996 – Aug 2026 |
| Texaco Fee O-8-28534 | Sojourner Drilling Corporation only | Mulberry Canyon (Cisco) | Nolan | 13 | 1.59M | 177K | Sep 1998 – Jul 2026 |
| Harris, T. B. (Texaco) O-7-7959 | Bbhp Oilfield Services LLC only | East Texas | Gregg | 13 | 1.05M | 385K | by Jan 1993 – Aug 2026 |
| Slaughter, Bob Block O-11-6102 | Texaco E & P Inc. only | Slaughter | Hockley | 424 | 900K | 506K | by Jan 1993 – Nov 1993 |
| Taylor, C. L.(texaco) O-7-8400 | Basa Resources, Inc. only | East Texas | Gregg | 12 | 795K | 374K | by Jan 1993 – Aug 2026 |
| Atkins-Texaco O-8-17853 | Texian Operating Company, LLC only | Stephens County Regular | Stephens | 15 | 768K | 47.6K | by Jan 1993 – Jul 2026 |
| Texaco 41-McMurry B 20 O-10-51982 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 2 | 641K | 1.53M | Mar 2019 – Aug 2026 |
| Texaco 41-McMurry B 10 O-10-51930 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 2 | 595K | 1.79M | Mar 2019 – Aug 2026 |
| Texaco-McMurry B 70 O-10-49676 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 1 | 594K | 964K | Jan 2018 – Aug 2026 |
| Texaco 41-McMurry B 40 O-10-51931 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 2 | 591K | 1.27M | Mar 2019 – Aug 2026 |
| Texaco-McMurry B 80 O-10-49627 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 1 | 567K | 766K | Jan 2018 – Aug 2026 |
| Texaco 41-McMurry B 30 O-10-51947 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 2 | 544K | 1.4M | Mar 2019 – Aug 2026 |
| Texaco-McMurry B 60 O-10-49628 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 1 | 538K | 788K | Jan 2018 – Aug 2026 |
| Texaco-McMurry B 50 O-10-49636 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 1 | 519K | 713K | Jan 2018 – Aug 2026 |
| Texaco Fee Brookland O-6-13040 | Bonfire Operating LLC only | Brookeland (Austin Chalk, 8800) | Newton | 5 | 493K | 5.1M | by Jan 1993 – Dec 2006 |
| Texaco- Exxon Tomas Fee O-4-11838 | Ragars Oil & Gas Co. only | Govt. Wells, N. | Duval | 7 | 411K | 606 | by Jan 1993 – Aug 2026 |
| Texaco-McMurry 3244A O-10-57768 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 1 | 388K | 989K | Jul 2022 – Aug 2026 |
| Texaco Fee O-10-33600 | Maralo, LLC only | W. T. Ford (Ellenburger) | Ector | 5 | 379K | 356K | by Jan 1993 – Mar 1999 |
| Texaco-McMurry 3244D O-10-57866 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 1 | 376K | 888K | Jul 2022 – Aug 2026 |
| Texaco-Parish Unit 2 O-9-19914 | BTA Oil Producers, LLC only | Spraberry (Trend Area) | Reagan | 2 | 372K | 1.95M | Jan 2018 – Aug 2026 |
| Texaco-Parish Unit 3 O-9-19448 | BTA Oil Producers, LLC only | Spraberry (Trend Area) | Reagan | 2 | 344K | 1.96M | Nov 2016 – Aug 2026 |
| Texaco-Coates a Unit 1 O-9-19007 | BTA Oil Producers, LLC only | Spraberry (Trend Area) | Reagan | 2 | 322K | 2.01M | May 2015 – Aug 2026 |
| Texaco-Parish Unit 4 O-9-19449 | Permian Resources Operating, LLC only | Spraberry (Trend Area) | Reagan | 1 | 296K | 1.51M | Nov 2016 – Aug 2026 |
| Texaco-McMurry 3244C O-10-57789 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 1 | 290K | 921K | Jul 2022 – Aug 2026 |
| Texaco-McMurry 3244B O-10-57769 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 1 | 285K | 1.13M | Jul 2022 – Aug 2026 |
| Texaco Fee 4596 O-3-20335 | Radco Operations, L.P. only | Sour Lake | Hardin | 2 | 256K | 143K | by Jan 1993 – Jul 2026 |
| Texaco-Coates a Unit 4 O-9-19635 | BTA Oil Producers, LLC only | Spraberry (Trend Area) | Reagan | 1 | 256K | 1.91M | May 2017 – Aug 2026 |
| Texaco University "10" O-10-34448 | Vin Fisher Operating, Inc. only | Fullerton (San Andres) | Andrews | 6 | 244K | 169K | Apr 1995 – Aug 2026 |
| Texaco-Marathon Unit 1 O-9-19504 | BTA Oil Producers, LLC only | Spraberry (Trend Area) | Reagan | 1 | 242K | 1.2M | Feb 2017 – Aug 2026 |
| Texaco-Coates a Unit 2 O-9-19010 | BTA Oil Producers, LLC only | Spraberry (Trend Area) | Reagan | 1 | 240K | 863K | May 2015 – Aug 2026 |
| Tenery, G. B.(texaco) O-7-8401 | 4-Sight Operating Company, Ltd. only | East Texas | Gregg | 6 | 237K | 112K | by Jan 1993 – Mar 2026 |
| Texaco Fee F A/C 1 O-10-28568 | Western Global Oil, Inc only | Ford, West (4100) | Culberson | 4 | 236K | 527K | by Jan 1993 – Mar 2021 |
| Texaco-Coates a Unit 3 O-9-19631 | BTA Oil Producers, LLC only | Spraberry (Trend Area) | Reagan | 1 | 225K | 1.55M | Jun 2017 – Aug 2026 |
| Texaco Fee O-10-41333 | V-F Petroleum Inc. only | VHZ (Devonian) | Ector | 4 | 212K | 522K | Jul 2011 – Aug 2026 |
| Texaco Halley O-10-7727 | Team Operating, L.L.C. only | Weiner (Colby Sand) | Winkler | 16 | 206K | 281K | by Jan 1993 – Aug 2026 |
| Texaco-Parish Unit 1 O-9-19907 | BTA Oil Producers, LLC only | Spraberry (Trend Area) | Reagan | 1 | 206K | 1.2M | Jan 2018 – Aug 2026 |
| Texaco 17 O-10-47052 | Caird Operating, LLC only | Wolfbone (Trend Area) | Reeves | 2 | 203K | 1.64M | Aug 2015 – Aug 2026 |
| Texaco Fee- Guerra "A" O-4-12810 | Southern Tejas Asset Group LLC only | Roma | Starr | 1 | 194K | 333K | Sep 1998 – Jul 2026 |
| Castleberry, J. J. O-7-8354 | Texaco E & P Inc. only | East Texas | Gregg | 41 | 190K | 88.5K | by Jan 1993 – Feb 1999 |
| Texaco Fee Unit 3 O-6-13152 | HK Energy Operating, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 182K | 4.18M | by Jan 1993 – Nov 2013 |
| Texaco O-10-34838 | Surge Solutions, Inc. only | Toborg | Pecos | 18 | 170K | 0 | Mar 1996 – Jul 2026 |
| Robertson, J. B. O-11-63764 | Texaco E & P Inc. only | Robertson, N. (Clear Fork 7100) | Gaines | 14 | 154K | 40.7K | by Jan 1993 – Mar 1995 |
| Texaco Fee Ami O-6-13074 | Anadarko E&P Company LP only | Brookeland (Austin Chalk, 8800) | Newton | 3 | 148K | 1.85M | Mar 1993 – Sep 2000 |
| Texaco-R W Smith O-10-34798 | Occidental Permian Ltd. only | Cowden, North (Clear Fork) | Ector | 1 | 147K | 8.59K | Oct 1995 – Aug 2026 |
| Texaco Ami Unit 1 O-6-13113 | Lodel Energy Resources Corporati only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 147K | 1.08M | by Jan 1993 – Mar 2025 |
| Texaco 11 O-10-31547 | Endeavor Energy Resources L.P. only | Spraberry (Trend Area) | Midland | 2 | 140K | 137K | by Jan 1993 – Aug 2021 |
| Texaco Arco Ami Fee A-378 O-6-13244 | Kidd Production Co. only | Brookeland (Austin Chalk, 8800) | Sabine | 1 | 133K | 767K | Oct 1993 – Jan 1999 |
| Texaco Fee 207 O-4-12941 | Mountain V Texas, LLC only | Govt. Wells, N. | Duval | 5 | 120K | 20.1K | May 2000 – Jul 2026 |
| University "7-18" O-10-33636 | Texaco E & P Inc. only | War-Wink, S. (Wolfcamp) | Ward | 1 | 120K | 326K | by Jan 1993 – Jan 2001 |
| Texaco "12" O-10-33833 | Vin Fisher Operating, Inc. only | Shafter Lake (San Andres) | Andrews | 2 | 115K | 26.3K | May 1993 – Aug 2026 |