Mark Zoback, a Stanford University geophysicist who serves on the National Academy of Engineering panel investigating the causes of the April 20 disaster, made this revelation during remarks today at a meeting convened at the National Academy of Engineering
Probe Of BP Well Blowout Raises Possibility Of Cracks, Siobhan Hughes for Dow Jones Newswires, September 26, 2010:
A new theory about the origin of the blowout… emerged on Sunday when an outside investigator said that the problem could potentially be traced to cracks that formed in an underwater formation. …
BP has said that no oil or gas entered the Macondo well before Halliburton started its cement work. …
But Zuback [sic] zeroed in on evidence that fluid that circulated through the well leaked out, a phenomenon known as lost returns, that can signify cracks in a well. …
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