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Dual Drilling Activity Drilling Ship

  • US 20110247827A1
  • Filed: 04/07/2010
  • Published: 10/13/2011
  • Est. Priority Date: 04/07/2010
  • Status: Abandoned Application
First Claim
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1. A method comprising:

  • outfitting a drilling ship with two separate and distinct drilling centers, each capable of drilling a well; and

    providing marine risers for each of said drilling centers, the marine risers for one of the drilling centers being of a smaller diameter than the marine risers for the other of said drilling centers.

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