the yacheng 13-4 onshore laying section of the first composite metallic submarine pipeline in china was completed
june 20
鈥淥ffshore oil 201鈥?started the first trial voyage with the duration of seven days
december 6
the topic conclusion and acceptance of 鈥淪tudy on the riser design, construction and installation technology鈥?subordinate to the 鈥淪tudy on critical technology for deep-water riser engineering鈥?under national 863 program was completed