| 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 | The Washington Post | 02 Apr 2017 |
| It's made to locate water or oil | Irish Times Simplex | 30 Jan 2017 |
| Passage made by a drill, for exploratory purposes | Irish Times Simplex | 03 Sep 2016 |
| Fracking opening | ||
| Mining passage |