Minimising the Effect of Deepwater Currents on Drilling Riser Operations

Event:
Minimising the Effect of Deepwater Currents on Drilling Riser Operations
Date:
January 2001
Author:
T. Farrant, K. Javed

The operation of deepwater drilling risers is highly dependent on the current loading experienced by the riser through the entire water depth. Riser analysis allows the effects of ocean currents on installation and operability to be assessed and provides guidance for detailed planning of well execution. A brief review of current profiles with respect to location and oceanographic processes is given. The effect of current profile and strength is discussed with respect to drilling downtime, need to disconnect, drift-off events, installation and hang-off.

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