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View Diary: Top Kill LiveBlog - Diary 4 (389 comments)

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  •  The mood is getting pretty dark (4+ / 0-)

    over at The Oil Drum.

    They don't think this is working, and really don't think shooting cement will work at all.

    BP is talking about trying a junk shot.

    •  From 2 of the best TOD commenters (6+ / 0-)

         Goose: Hey ROCK, what's your thoughts on already having gone through a tanker of mud in 8 hours? That's a lot of loss right?

         It seems to me this thing may be far from over... :(

         ROCKMAN: Goose -- I KNOW nothing but I suspect it might not be working. I thought of a way folks could look at the effort in a manner they can more easily visualize. Here goes: there is a fire hydrant open full force. Putting out 7 ppg water at 80 psi at a RATE OF 500 GALLONS PER MINUTE.. Now I want to stop that water from coming up the main by pointing another fire hose at it. Unfortanately I can't connect the hose directly to the hydrant because the threads are messed up (i.e. bad BOP). So all I can do is hold the end of the hose close to the opening of the hydrant. My hose is putting out 500 gallons of 16.5 ppg mud at a pressure of 80 psi. So can I stop the water flowing from the hydrant? Nope...the pressures are the same. At best the two streams hit each other and the total flows out of the gap.

         This is the problem I've had with the top kill from the start. I've been on rigs where we've pumped a successful kill pill. But the well was shut in. All we had to do was pump in at a pressure greater that the shut in pressure of the well. The pressured mud would push whatever was in the well downwards. But the BP well isn't shut in...it's flowing. How much force do you need to apply to a river to make it flow upstream? I know folks were holding out for the top kill to work so I didn't want to be too negative. But if they couldn't get a very tight seal on the BOP I couldn't envision how they could get the flow to stop let alone flow backwards down the csg. But as I'v said before I'm not an engineer...just pretend to be sometimes on TOD.

      A child of five could understand this. Send someone to fetch a child of five. -- Groucho Marx

      by ursoklevar on Thu May 27, 2010 at 02:32:50 PM PDT

      [ Parent ]

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