| Clue | Source | Date |
|---|---|---|
| Find a valuable deposit underground | LA Times Daily | 26 Nov 2025 |
| Discover black gold | Eugene Sheffer | 24 May 2024 |
| Having got well, how to get rich! (6,3) | ||
| Find a petroleum deposit | USA Today | 14 Jul 2021 |
| Get lucky with hit from Grease | Irish Times Crosaire | 31 Jan 2019 |
| Get a gusher | Thomas Joseph | 26 Sep 2015 |
| Drill successfully | LA Times Daily | 29 Apr 2015 |
| Drill successfully | ||
| Hit it big, in a way | ||
| Get lucky! | ||
| Find crude stuff? | ||
| Be successful | ||
| Get lucky! | ||
| Succeed during a drill? | ||
| Succeed during a drill? | ||
| Find a gusher |