Allen: Final well-plugging operations may commence ahead of schedule

BP may speed up the permanent plugging of its damaged Gulf of Mexico well, as the company readies its "bottom-kill" technique, said retired U.S. Coast Guard Adm. Thad Allen. The operation involves injecting mud and cement into a space "between the well casing and the surrounding rock formation" through a relief well, this article states. But federal officials first want to make sure that the cement seal on the well is strong enough to endure pressure increases.

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