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Drilling and producing deep water subsea wells

  • US 20040140124A1
  • Filed: 11/12/2003
  • Published: 07/22/2004
  • Est. Priority Date: 11/12/2002
  • Status: Active Grant
First Claim
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1. A method of drilling and completing a plurality of subsea wells, comprising:

  • (a)with a floating platform, connecting a drilling riser to a first wellhead housing, drilling and casing a first well, then running a string of tubing and landing a tubing hanger in the first wellhead housing;

    (b)with the floating platform, disconnecting the drilling riser from the first wellhead housing, connecting the drilling riser to a second wellhead housing, and performing operations on a second well; and

    (c) while performing at least part of step (b), lowering a production tree on a lift line from the same floating platform and connecting the tree to the first wellhead housing.

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