Well engineer: “Especially concerned” about BOP bubbles; “BP does not appear to have installed a casing hanger lock”


Gas seeps not necessarily a problem, because pressure in oil well rising, officials say, Times-Picayune, July 19, 2010 at 20:12 EDT:

[Berkeley engineering professor and Deepwater Horizon Study Group member Bob Bea] is especially concerned about the bubbles at the base of the blowout preventer.

He said that BP does not appear to have installed a casing hanger lock, opening the possibility that gas and liquids could make their way up through the casing to the seabed.

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