(Yicai Global) Dec. 14 – A  wholly-owned unit of Sinopec Oilfield Service will continue to provide  drilling rigs for Saudi Arabia's largest oil company, Saudi Aramco, following the signing of a new supply contract.

Sinopec  International Petroleum Service recently renewed the supply contract  with Saudi Aramco for four drilling rigs with a value of some USD286  million and a period of five years, the oil exploration service provider  of Chinese petrochemical giant Sinopec Group said in a statement  yesterday.

The  contract will further strengthen the firm's position as the largest  onshore drilling contractor for Saudi Aramco, the statement added.

Sinopec International Petroleum Service has actively expanded in  the international oilfield service market in recent years and is the  largest onshore drilling contractor for Saudi Arabia, Kuwait and other  oil producing nations in the Middle East.