April 2014, Vol. 241 No. 4

Projects

Innovative Subsea Test Manifold Saves Time, Money

As part of a recent North Sea pipeline project, EnerMech was contracted to flood and hydro test offshore subsea flowlines. The testing operations were to be conducted in standard industry fashion by using a vessel-based downline spread. This meant the vessel would need to remain connected to the flowlines via the downline throughout the test period, adding to client cost. EnerMech Process, Pipelines & Umbilicals Director, Les Graves, said: “We suggested an alternative to the client, using our Subsea Test Manifold (STM) combined with a data logger as an interface between the downline and flowlines for the proposed testing operations. “We previously used this sys

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