bpnjensen wrote:


I am not sure how a company can anticipate the sudden presence of a
large expansive methane bubble, but it appears that this was not an
isolated incident and that they happen with some frequency. Proper
outfitting and procedures - specified from the top down - probably
could have avoided this problem.


The cement failed its pressure test, twice. BP gave the OK anyway
(after an alleged 3rd pressure test for which there are no records) to
seal the hole.