Macondo pressure test due before relief well resumes

08/16/2010
BP PLC planned another pressure test last week on the Macondo well in the Gulf of Mexico to gain more information about the condition of the annulus before penetration by a relief well.Drilling of the relief well was put on hold last week pending the passage of a storm. An Apr. 20 blowout of the Macondo well caused an explosion and fire on Transocean Ltd.'s Deepwater Horizon semisubmersible drilling rig, killing 11 people.The test was intended to help BP determine whether the annulus was connected to the reservoir. During an Aug. 5 static kill procedure, BP pumped heavy drilling mud and then cement into the casing from the top of the well (OGJ, Aug. 9, 2010, p. 27).BP pumped 200 bbl of ce...
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