Final seal on BP oil well delayed for additional work

A new blowout preventer is in place, giving experts time to analyze the gulf well, retrieve a broken pipe and perhaps apply another cement seal for added insurance, Thad Allen says.The ultimate sealing of BP's gulf oil well may not get underway until late this month or early October because experts want more time to analyze the well, fish out a broken pipe and possibly apply another cement seal on the top for "more insurance" against unlikely troubles, a top federal official said.

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