| Choate #142-213-31120 | Esco Oil Operating Company LLC | HendersonTrinidad S. (Rodessa) | Shut inOil | 7,600 | Mar 14, 2024 | 1 | — |
| Chittim #117342-323-33579 | Esco Oil Operating Company LLC | MaverickChittim (Georgetown) | Shut inOil | 3,515 | Aug 19, 2022 | 2 | Nov 2023 |
| Chittim #142442-323-33570 | Esco Oil Operating Company LLCpermit operator | MaverickChittim (Buda) | Drilled | 6,000 | May 10, 2022 | 1 | — |
| Chittim 141 #242-323-33555 | Esco Oil Operating Company LLC | MaverickChittim (Buda) | PluggedGas | 5,807 | Mar 3, 2022 | 1 | — |
| Chittim #157342-323-33549 | Esco Oil Operating Company LLC | MaverickChittim (Buda) | Shut inOil | 2,950 | May 26, 2021 | 1 | Jun 2024 |
| Chittim 129 #342-323-33529 | Esco Oil Operating Company LLC | MaverickChittim (Austin Chalk) | Shut inOil | 2,850 | Mar 16, 2020 | 1 | Nov 2021 |
| Cogdell B #942-345-30343 | Esco Oil Operating Company LLC | MotleyGrimm (Permian Sand) | Shut inGas | 994 | Jun 21, 2018 | 2 | — |
| Crazy C #242-345-30341 | Esco Oil Operating Company LLCpermit operator | Motley | Drilled | 990 | Nov 17, 2017 | 1 | — |
| Cogdell a #642-345-30336 | Esco Oil Operating Company LLCpermit operator | MotleyGrimm (Permian Sand) | Drilled | 1,000 | Apr 27, 2016 | 1 | — |
| Cogdell #542-345-30334 | Esco Oil Operating Company LLC | MotleyGrimm (Permian Sand) | Shut inGas | 913 | Mar 21, 2016 | 1 | — |
| Cogdel #342-345-30331 | Esco Oil Operating Company LLC | MotleyBirnie (Congl.) | Shut inGas | 950 | Mar 25, 2015 | 1 | — |
| Echols #442-345-30332 | Esco Oil Operating Company LLC | MotleyBirnie (Congl.) | Shut inGas | 974 | Mar 25, 2015 | 1 | — |
| Mayfield G. #1R42-045-30517 | Esco Oil Operating Company LLC | BriscoeSilverton (Canyon) | PluggedOil | 9,500 | Dec 28, 2006 | 2 | Jan 2013 |
| Fowler Unit #142-153-30224 | Esco Oil Operating Company LLC | FloydWildcat | Shut inOil | 5,130 | Nov 23, 2004 | 1 | — |
| Chittim #3129HTHZ42-323-32713 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5300) | ActiveGas | 5,196 | Mar 12, 2004 | 3 | Mar 2026 |
| Chittim #4128HCHZ42-323-32711 | Esco Oil Operating Company LLC | MaverickChittim (5000) | ActiveGas | 5,288 | Feb 23, 2004 | 3 | Mar 2026 |
| Chittim #2140HZ42-323-32647 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5300) | ActiveGas | 5,291 | Nov 13, 2002 | 2 | Mar 2026 |
| Chittim #1140HZ42-323-32643 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5300) | ActiveGas | 5,291 | Oct 14, 2002 | 1 | Mar 2026 |
| Chittim Ranch #3128HZ42-323-32630 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5300) | ActiveGas | 5,291 | Aug 20, 2002 | 1 | Mar 2026 |
| Chittim Ranch #1127HZ42-323-32626 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5300) | ActiveGas | 5,291 | Jul 24, 2002 | 2 | Mar 2026 |
| Chittim #2128HZ42-323-32608 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5300) | ActiveGas | 5,291 | Apr 8, 2002 | 1 | Mar 2026 |
| Chittim #1142HZ42-323-32600 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5300) | Temporarily abandonedGas | 5,291 | Jan 31, 2002 | 1 | Mar 2023 |
| Chittim #118742-323-32534 | Esco Oil Operating Company LLC | MaverickChittim (Buda) | Shut inOil | 6,230 | Nov 12, 2001 | 2 | Jun 2024 |
| Hamilton M. J. #142-045-30548 | Esco Oil Operating Company LLC | BriscoeWildcat | Temporarily abandonedGas | 3,354 | Mar 27, 2001 | 2 | — |
| Chittim #1141HZ42-323-32577 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5300) | Temporarily abandonedGas | 5,291 | Mar 9, 2001 | 2 | Sep 2014 |
| Chittim #213042-323-32556 | Esco Oil Operating Company LLC | MaverickChittim (5000) | Temporarily abandonedGas | 5,150 | Sep 1, 2000 | 1 | May 2025 |
| Chittim #113042-323-32541 | Esco Oil Operating Company LLC | MaverickChittim (Austin Chalk) | Shut inOil | 1,881 | Mar 30, 2000 | 1 | Oct 2005 |
| Chittim Ranch #129242-323-32507 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5300) | Temporarily abandonedGas | 5,835 | May 7, 1998 | 2 | Mar 2018 |
| Chittim Ranch #158242-323-32513 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5300) | ActiveGas | 5,706 | Jan 28, 1998 | 1 | Mar 2026 |
| Chittim Ranch #158142-323-32509 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5300) | ActiveGas | 5,802 | Oct 2, 1997 | 1 | Mar 2023 |
| Chittim Ranch #159142-323-32508 | Esco Oil Operating Company LLC | MaverickWildcat | Shut inOil | 5,864 | Sep 15, 1997 | 1 | — |
| Chittim Ranch #142-323-32384 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5300) | ActiveGas | 7,250 | Apr 22, 1997 | 5 | Mar 2026 |
| Chittim Ranch #1291HZ42-323-32396 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5300) | ActiveGas | 7,798 | Mar 17, 1997 | 5 | Mar 2026 |
| Chittim Ranch #143142-323-32405 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5300) | ActiveGas | 6,697 | Mar 12, 1997 | 3 | Dec 2020 |
| Chittim Annie E. #116142-323-31752 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5310) | Temporarily abandonedGas | 6,200 | Jul 31, 1984 | 3 | Dec 2012 |
| Chittim Annie E. #116242-323-31903 | Esco Oil Operating Company LLC | MaverickChittim E. (Georgetown) | Shut inOil | 5,796 | Jan 21, 1982 | 1 | — |
| Chittim Annie E. #114142-323-31754 | Esco Oil Operating Company LLC | MaverickChittim (5400) | Temporarily abandonedGas | 6,100 | Feb 27, 1981 | 1 | Jan 2011 |
| Chittim Annie E. #142142-323-31742 | Esco Oil Operating Company LLC | MaverickChittim E. (Rodessa 5300) | Temporarily abandonedGas | 5,903 | Feb 2, 1981 | 2 | Sep 2021 |
| Chittim #542-323-00309 | Esco Oil Operating Company LLC | MaverickChittim (5600) | Temporarily abandonedGas | 6,638 | — | 0 | — |
| Chittim #342-323-00325 | Esco Oil Operating Company LLC | MaverickChittim (5600) | ActiveGas | 6,638 | — | 0 | — |
| Chittim #642-323-00330 | Esco Oil Operating Company LLC | MaverickChittim (5600) | ActiveGas | 5,609 | — | 0 | — |