Big Oil digs North Sea's 'final frontier'

LONDON (Reuters) - "Little hope of THIS rock ever producing oil," BP geologist Bill Senior scribbled in 1977 on a note assessing a recent oil discovery in a distant corner of the North Sea.That same rock is today the heart of BP's prized Clair field in the West of Shetland region, which this week started its second phase of production.The giant bridge-linked Clair Ridge platforms are among the projects that have given new life to this area of the North Sea, one of the oldest offshore basins,..