BP Ignored ‘Red Flags’ Before Well Blowout, Halliburton Says

A Halliburton Co. executive disputed BP Plc’s allegation that the company’s cement job let oil and gas flow up to the Deepwater Horizon drilling rig, contributing to the blowout in the Gulf of Mexico.

Thomas Roth, vice president of cementing for Houston-based Halliburton, said today that BP’s well design was to blame for the explosion that led to the biggest U.S. oil spill.

BP workers ignored “multiple red flags” indicating the well wasn’t sealed properly and hydrocarbons could escape, Roth said at a National Academies hearing in Washington investigating the cause of the April 20 spill. BP officials earlier told the panel that a faulty cement recipe failed to keep gas and oil from escaping to the surface.

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