BP had 2 rigs on scene and started drilling the relief wells in less than 2 weeks time. It will take 2 - 3 months to get one completed which means using Directional Drilling techniques to intercept the 7 7/8 - 9 3/4 inch hole.
BP has been trying other ideas, in the meantime. That sounds smart to me, IMO!
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QMC, USCG (Ret)
The best luck is what you make yourself!