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BP Concealed Information Before Blowout, Halliburton Claims

BP Plc gave inaccurate information about the location of hydrocarbon zones, a risk factor, in the Macondo oil well to avoid stalling the project before the well blew out in April 2010, Halliburton Co. said in a lawsuit.

Halliburton Energy Services Inc., the unit that provided cementing services for the well, sued BP in state court in Houston yesterday, alleging slander and business disparagement. A BP report on the incident in the Gulf of Mexico called the cementing job “a root cause of the blowout,” Halliburton said in its complaint.