The chief mechanic of the Deepwater Horizon oil rig told federal investigators Wednesday about what he called a "skirmish" between a representative of BP -- the oil company that leased the rig -- and a manager with Transocean, the company that owned and operated the rig. The mechanic said the disagreement was about how to shut the well down. Melissa Block talks to NPR's Pam Fessler, who was at the hearing in Kenner, La.
Oil Spill Testimony Recalls 'Skirmish' On Rig
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