China Oilfield Services Limited (COSL) announced that HYSY981 completed the first phase of oil drilling and exploration of Zhongjian Island of the country’s Xisha Islands on May 27. The exploration operation has moved to another site for its second phase work.

Maritime Safety Administration of the People’s Republic of China (MSA) has made navigational warnings: South China sea recently merchant ships and fishing boats frequent collision. Vessel in vicinity required to keep sharp lookout and navigate with caution.