| 03-139-11003-00-00 | 25016 | Gregory, W.K. | Cypress Operating, Inc | UNION | 22-19S-18W | GREGORY | COTTON VALLEY | Oil - Production | Active |
| 03-139-11382-00-00 | 26698 | Steinberg | Cypress Operating, Inc | UNION | 27-19S-18W | GREGORY | COTTON VALLEY | Oil - Production | Active |
| 03-139-11490-00-00 | 27045 | First Land & Timber | Huggs Inc | UNION | 28-19S-18W | GREGORY | COTTON VALLEY | Oil - Production | Plugged and Abandoned |
| 03-139-13139-00-00 | 40176 | Berry | TMR Exploration, Inc | UNION | 26-19S-18W | GREGORY | COTTON VALLEY | Oil - Production | Plugged and Abandoned |
| 03-139-13151-00-00 | 40368 | Deltic | Weiser-Brown Operating Company | UNION | 22-19S-18W | GREGORY | COTTON VALLEY | Oil - Production | Plugged and Abandoned |