Oil rig mob wrecked in confused situation (9)
I believe the answer is:
imbroglio
'confused situation' is the definition.
(I've seen this before)
'oil rig mob wrecked' is the wordplay.
'oil rig' becomes 'oilrig' ('oilrig' can be a synonym of 'oil rig').
'wrecked' indicates anagramming the letters.
'oilrig'+'mob'='oilrigmob'
'oilrigmob' anagrammed gives 'IMBROGLIO'.
'in' is the link.
(Other definitions for imbroglio that I've seen before include "Complicated situation" , "quandary" , "Jumble" , "Confused mess" , "massive jam" .)