Answer: strikeoil

AnswerCrossword Clue
STRIKEOIL

Hit it big, in a way

STRIKEOIL

Succeed during a drill?

STRIKEOIL

Find a gusher

STRIKEOIL
Drill successfully
STRIKEOIL
Be successful
STRIKEOILGet lucky!
STRIKEOILFind crude stuff?