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View Diary: Top Kill LiveBlog - Diary 14 - Catastrophe Never Sleeps (382 comments)

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  •  I think most of the choke is from (1+ / 0-)
    Recommended by:
    Onomastic

    within the the well itself and partially closed gates inside the BOP. From the testimony, there are several plugs inside the well. They were preparing for the final cement plug and were pulling the last of the mud when it blew. It appears that there is a failed annular cement job lower down and the oil is bypassing the existing plugs through the annulus.

    BTW, I've also had to replace a valve under pressure. The best thing to use are "Shark Bite" fittings. You just cut off the defective fitting cleanly and jam on the Shark Bite attached to an open valve. Works like a charm although it is very messy with water spewing everywhere.

    •  If that is the case if they are (2+ / 0-)
      Recommended by:
      Onomastic, Claudius Bombarnac

      able to add a new BOP would that cause more damage down hole and leak below the seafloor?

      •  Anything is possible... (1+ / 0-)
        Recommended by:
        Onomastic

        But I think that is unlikely. I think the leak is from a failed cement job on the lowest casing string between the lowest cement plug and the next further up. The oil apparently is coming up the annulus - not the main well bore.

        This is the string where no CBL (cement bond log) was done - only positive and negative pressure test were done after cementing. This was done to speed up the capping of the well and I think there is some criminal negligence here.

        It all depends on the depth at which the original failure occurred. The well goes down about 3 miles below the ocean floor

        •  not to mention pulling out the mud and using only (1+ / 0-)
          Recommended by:
          Onomastic

          sea water.

          Thanks so much for the info. It really helps I have been wondering the last couple days if any mud actually was pumped down hole with the riser flowing as hard as it is and possible obstruction below

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