Location: 30°18′57″N，122°28′05″E
Working Period: November 12, 2012 to January 8, 2013
Profile: The Donghai Pinghu Field is affiliated with Shanghai Oil and Gas Ltd. Co.. The field consists of two submarine pipeline:
- Gas pipeline from PingHu Gas Platform to Shanghai Nanhui onshore gas treatment plants, which is approximately 308.908km length.
- Oil pipeline from Shanghai Nanhui onshore gas treatment plants to Zhejiang Daishan petroleum storage and transportation branch company, which is approximately 308.010km length.
It’s reported by Shanghai Oil and Gas Ltd. Co. that the naked submarine pipeline and seabed scouring caused oil pipeline on Daishan landing zone was ruptured twice. Hua Tian Long as a main work barge who achieved submarine pipeline restoration work in the most efficient way protected the marine environment and the Client’s interest.