China Oilfield Services (HKG:2883, SHA:601808) said third-quarter net profit attributable to shareholders rose 46% from a year earlier to 1.25 billion yuan, according to a Wednesday Hong Kong bourse filing.

Shanghai shares of the firm gained 7% in Thursday's mid-day trade.

Earnings per share came in at 0.26 yuan, up 44% from a year earlier.

Revenue increased 3.6% to 11.53 billion yuan, while total profit climbed 29% to 1.60 billion yuan, the company said.

For the nine months ended September, net profit attributable to shareholders rose 31% to 3.21 billion yuan on revenue of 34.8 billion yuan, an increase of 3.5% from the same period last year.