I remember when all of this took place.... Big mess!!! And then there was also the issue of their control lines on their Subsea trees on Thunder Horse. These are 1/4" to 1/2" stainless tubing that is welded. lol They all get x-rayed right...... well the ole boy that was -xray'n took a pic and submitted it fer more than just one connection, and end result 3 trees had to be pulled back to surface, x-rayed and tested again because someone finally caught on to what he was doing. Then this issue hit that was told in Sumisu's post. The welds were fail'n on the manifolds so they all had to be pulled back to surface. Atlantis and Thunder Horse are huge but you would not believe on how mush more is out here!
There are many challenges in the subsea world and those of you that hang aroud here will soon see that we have a keeper.
"Despite the significant successes in the GOM deepwater, challenges persist. First start-up at Thunder Horse (Mississippi Canyon 776, 777, and 778), the largest GOM deepwater discovery to date, has now been delayed to mid-2008. This is due to BP’s decision to rebuild all seafloor production equipment as a result of hydrogen embrittlement. Production from the $1-billion-plus semi-submersible platform (250,000 BOPD and 200 MMCFPD capacity) was originally scheduled to start in mid-2005, but was delayed due to damage from Hurricane Dennis, followed by failure of the subsea manifold in July 2006. The hydrogen embrittlement problem at Thunder Horse has also caused BP to retrieve and modify the subsea manifolds for its Atlantis deepwater development. First production at Atlantis is still scheduled for mid-2007."
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