大家在查：夏奥 semisubmersibles 金刚石选型 oilpainting 3DCEMRA 刘易斯•布斯 otherworlds 援救人员吉利尔总经理共同

Rigzone

An average semi-submersible rig , for use in deep water , costs about $300, 000 a day to hire, according to Rigzone, the data service .