艹艹艹
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An indigenously-developed deep-sea semi-submersible drilling platform has completed drilling its first deep-water development in east South China sea
With a measured wellbore depth 4,660 metres and a true vertical depth (the distance from the well to the surface) of 2,529 meters, it is claimed to be the first deep-water well in operation by a Chinese-manufactured platform.
The $1 billion platform was built by the China National Offshore Oil Corporation (CNOOC) and was launched in 2012. That same year, the company’s chairman, Wang Yilin, called such rigs “our mobile national territory” and “[a] strategic weapon for promoting the development of the country’s offshore oil industry”.
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