Posted by LAA on July 25, 2013 at 15:39:53 from (72.146.114.147):
In Reply to: Re: Here we go again posted by 1130Leo on July 25, 2013 at 12:01:25:
It is ironic that you post about uninformed statements and make two uninformed statements of your own. First, a bad cement job is not a cause of a blow out of its self, a bad cement job would pose a condition that can lead to a blow out if other mistakes are made and the cement job is not corrected. Secondly, there was nothing fatally wrong with the deep water horizons BOP -- there was some over due or postponed maintenance but the reason that the BOP did not close is because the well pressure blew the drill string up and the drill string buckled inside the much larger ID of the BOP which prevented the pipe rams from closing and prevented the shear rams from shearing the pipe and then sealing. Bad management was a factor, but the Senior rig personnel are supposed to know what they are doing and have a duty to take precautions to ensure the well is secure.
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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