BP Partner Anadarko E-Mails Seen Showing Role in Well

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Anadarko Petroleum Corp. officials urged BP Plc to drill deeper into the Gulf of Mexico well that caused the worst offshore oil spill in U.S. history even after BP warned that doing so would be unsafe.

A BP executive and a geologist working on the Macondo well rejected Anadarko’s urging to deepen the well, according to e-mails sent the week before the April 2010 deep-sea blowout. BP officials said in the e-mails, unsealed earlier this month in lawsuits over the spill, that the well’s condition “provided for little to no margin to continue drilling” safely.