| Clue | Source | Date |
|---|---|---|
| Deep shaft (8) | ||
| Cavity the driller droned on and on about? | ||
| Well, look, hero is back in bed, getting end away | The Guardian Cryptic | 05 May 2023 |
| Mining passage | LA Times Daily | 02 Apr 2017 |
| Mining passage | ||
| It's made to locate water or oil | ||
| Passage made by a drill, for exploratory purposes | ||
| Fracking opening | ||
| Mining passage |