ROVworld Subsea Information

Monohull deployment cuts time and cost of Ormen Lange tree installations
Date: Thursday, December 17, 2009 @ 11:51:38 EST
Topic: GENERAL NEWS


Monohull deployment cuts time and cost of Ormen Lange tree installationsIn the Norwegian Sea, some of the world’s largest offshore gas wells are being drilled at Norske Shell’s Ormen Lange field development, in water depths of up to 1,100 m (3,609 ft).



Drilling and completing wells through subsea templates in the harsh North Atlantic at these depths is challenging, and periods spent waiting on weather, coupled with trips ashore to mobilize and re-load equipment, can make drilling operations in this region extremely costly. However, smart thinking on the part of Norske Shell and Subsea 7, using a deepwater tree installation method never before attempted offshore Norway, has led to substantial time and cost savings on this project.

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