WSJ's Susan Carey tours the company's test rig in Carson, Calif.

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Read on past the break and you can begin this potentially short, hopefully sweet journey with me, starting with a quick rundown of my test rig (which also happens to be my mission critical work computer) and an anti-climactic revelation about whether, in the end, I ever found the software box I was looking for.

ENGADGET: Windows 8 upgrade diary: the buying experience

But post Macondo, Uncle Sam made MMR roll the rig back out of the way and close off the well before a flow test could be completed (No longer a requirement).

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The investigation did discover that BP's rig supervisors and crew members from Transocean had not carried out a crucial safety test properly, missing an important early warning that the pressure was too high and the well was about to rupture.

BBC: BP: Scope of oil disaster internal probe 'had limitations'

When the heavy drilling mud that provides the pressure needed to keep things from coming up the well was removed, first as a test, then as part of a procedure for closing down the well and moving the rig, telltale signs that something was wrong were missed.

ECONOMIST: BP casts the blame for the Gulf oil spill widely