Oil producers lie and cut pay anyway (9)
I believe the answer is:
eucalypti
'oil producers' is the definition.
(I've seen this before)
'lie and cut pay anyway' is the wordplay.
'and' is a charade indicator (letters next to each other).
'anyway' is an anagram indicator.
'lie'+'cut'+'pay'='liecutpay'
'liecutpay' is an anagram of 'EUCALYPTI'.
(Other definitions for eucalypti that I've seen before include "Australian trees" , "Gums" , "shrubs" , "Antipodean natives" , "Gum trees" .)