In High Seas, China Moves Unilaterally

It is the pride of China’s state-run oil industry and the nation’s first deepwater drilling rig, a vessel as big as a football field and as tall as a 40-story building, with a $1 billion price tag. Last week, it crawled through the South China Sea, pulled by heavy-duty tugs, and parked in one of the most sensitive spots possible, about 17 miles off a speck of an island claimed by both China