CNOOC Energy Technology & Services (SHA:600968) attributable profit fell 4.5% year over year to 1.02 billion yuan in the third quarter, according to a Wednesday filing with the Shanghai bourse.
The petroleum engineering and oilfield technology integrated services company logged earnings per share of 0.1007 yuan, down 4.5% from the year-ago period.
Operating income declined 5.8% year on year to 11.4 billion yuan.
Shares fell 3% during late morning trading on Wednesday.