Wells – Submerged well – Riser
Reexamination Certificate
2006-03-28
2006-03-28
Mitchell, Katherine (Department: 3677)
Wells
Submerged well
Riser
C166S350000, C405S211000, C405S212000, C405S216000, C114S243000
Reexamination Certificate
active
07017666
ABSTRACT:
A method for controlling drag and vortex induced vibration in a substantially cylindrical element by providing an ultra-smooth surface about the cylindrical element. The system for controlling drag and vortex induced vibration utilizes a substantially cylindrical marine element having an ultra-smooth effective surface.
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Allen Donald Wayne
Dupal Kenneth
Henning Dean Leroy
McDaniel Richard Bruce
McMillan David Wayne
Hickman William E.
Mitchell Katherine
Shell Oil Company
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