| Kincaid O-1-20035 | Esco Oil Operating Company LLC | Pena Creek (Georgetown) | Maverick | 1 | 7.31K | 735 | Jan 2020 – Jan 2025 |
| Chittim G-1-188814 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 6.81K | 1.47M | Mar 2002 – Mar 2023 |
| Chittim O-1-14367 | Esco Oil Operating Company LLC | Chittim (Buda) | Maverick | 4 | 5.83K | 10.6K | Oct 2001 – Jun 2024 |
| Chittim G-1-189043 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 5.51K | 1.44M | Oct 2001 – Sep 2014 |
| Chittim Ranch G-1-192403 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 5.15K | 1.68M | Sep 2002 – Mar 2026 |
| Chittim G-1-194029 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 4.92K | 1.19M | Dec 2002 – Mar 2026 |
| Chittim G-1-191498 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 3.99K | 1.29M | Jul 2002 – Mar 2026 |
| Chittim G-1-202199 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 3.2K | 774K | May 2003 – Mar 2026 |
| Mayfield, G. O-14-8097 | Esco Oil Operating Company LLC | Silverton (Canyon) | Briscoe | 2 | 2.87K | 0 | Apr 2007 – Jan 2013 |
| Chittim Ranch G-1-163096 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 2.7K | 822K | Apr 1997 – Dec 2020 |
| Chittim G-1-191373 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 2.6K | 792K | Jun 2002 – Mar 2026 |
| Chittim, Annie E. G-1-94675 | Esco Oil Operating Company LLC | Chittim (5400) | Maverick | 1 | 2.56K | 912K | by Jan 1993 – Jan 2011 |
| Chittim G-1-233338 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 2.53K | 833K | Apr 2007 – Mar 2026 |
| Chittim G-1-196021 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 2.37K | 865K | May 2003 – Mar 2026 |
| Chittim G-1-193942 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 2.37K | 652K | Jan 2003 – Mar 2026 |
| Chittim G-1-198579 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 2.02K | 645K | Oct 2003 – Mar 2026 |
| Chittim Ranch G-1-170673 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 2.01K | 523K | Sep 1998 – Mar 2023 |
| Chittim G-1-196504 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 1.96K | 950K | Apr 2003 – Mar 2026 |
| Chittim G-1-198522 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 1.82K | 586K | Nov 2003 – Oct 2021 |
| Chittim G-1-203977 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 1.74K | 415K | May 2004 – Jan 2025 |
| Chittim G-1-198524 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 1.74K | 617K | Oct 2003 – Oct 2021 |
| Chittim G-1-198578 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 1.67K | 784K | Jul 2003 – Jan 2025 |
| Chittim G-1-230149 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 1.66K | 901K | Apr 2004 – Mar 2026 |
| Chittim Ranch G-1-162996 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 1.66K | 474K | Apr 1997 – Mar 2026 |
| Chittim O-1-14297 | Esco Oil Operating Company LLC | Chittim (Austin Chalk) | Maverick | 2 | 1.4K | 6 | May 2000 – Oct 2005 |
| Chittim G-1-202551 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 1.35K | 876K | Apr 2004 – Dec 2020 |
| Chittim G-1-212561 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 1.27K | 865K | Jul 2004 – Mar 2026 |
| Chittim Ranch G-1-167679 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 1.16K | 379K | Mar 1998 – Mar 2026 |
| Chittim G-1-207416 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 1.16K | 442K | Sep 2004 – Mar 2026 |
| Chittim G-1-238008 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 1.09K | 1.13M | May 2004 – Mar 2026 |
| Chittim G-1-198203 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 1.05K | 517K | Aug 2003 – Mar 2026 |
| Chittim O-1-21112 | Esco Oil Operating Company LLC | Chittim (Georgetown) | Maverick | 1 | 1.01K | 0 | Mar 2023 – Nov 2023 |
| Chittim G-1-200481 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 919 | 504K | Sep 2003 – Dec 2020 |
| Burleson "60" O-11-70467 | Esco Oil Operating Company LLC | Floydada (Atoka) | Motley | 1 | 883 | 0 | Sep 2014 – Apr 2018 |
| Chittim Ranch G-1-168194 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 761 | 255K | Mar 1998 – Mar 2018 |
| Chittim G-1-205642 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 703 | 789K | Jul 2004 – Mar 2026 |
| Chittim Ranch G-1-162930 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 678 | 183K | May 1997 – Mar 2026 |
| Chittim Ranch G-1-192395 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 617 | 386K | Oct 2002 – Mar 2026 |
| Chittim G-1-195714 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 610 | 395K | Mar 2003 – Aug 2022 |
| Chittim, Annie E. G-1-93061 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 550 | 815K | by Jan 1993 – Sep 2021 |
| Chittim 131 G-1-213009 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 373 | 192K | Oct 2004 – Mar 2026 |
| Chittim G G-1-220307 | Esco Oil Operating Company LLC | Chittim (5600) | Maverick | 1 | 246 | 451K | Apr 2006 – Jan 2021 |
| Chittim O-1-14268 | Esco Oil Operating Company LLC | Chittim (Georgetown) | Maverick | 2 | 227 | 24 | Aug 1999 – Jun 2001 |
| Chittim G-1-179623 | Esco Oil Operating Company LLC | Chittim (5000) | Maverick | 1 | 166 | 331K | Nov 2000 – May 2025 |
| Chittim G-1-230545 | Esco Oil Operating Company LLC | Chittim (5000) | Maverick | 1 | 60 | 42.4K | May 2004 – Jun 2017 |
| Chittim G-1-204368 | Esco Oil Operating Company LLC | Chittim, E. (Rodessa 5300) | Maverick | 1 | 47 | 171K | Jun 2004 – Mar 2026 |
| Cogdell #1 G-11-281573 | Esco Oil Operating Company LLC | Wildcat | Motley | 1 | 0 | 0 | — |
| Cogdel G-11-284244 | Esco Oil Operating Company LLC | Birnie (Congl.) | Motley | 1 | 0 | 0 | — |
| Cogdell G-11-286061 | Esco Oil Operating Company LLC | Grimm (Permian Sand) | Motley | 1 | 0 | 0 | — |
| Cogdell B G-11-286062 | Esco Oil Operating Company LLC | Grimm (Permian Sand) | Motley | 1 | 0 | 0 | — |