During the engineering phase of Troll A it was anticipated that the pressure in the reservoir would drop as production progressed.
Allowances were therefore made for the placement of pressure-boosting equipment on Troll A. Preparations were also made for connection to the production systems by installing tie-in points on the relevant pipe systems.
The pre-compression module has been built as a freestanding module placed on Troll A's weather deck. The location was allocated for this purpose when the facility was designed and constructed. The module weighs 3,782 tons.
A separate module was constructed on Troll A for the EDS equipment which comprises high voltage equipment, control equipment, refrigeration and ventilation plants.
Space has been allocated for two new inverters for the next development stage on each side of the two top floors.
The installation will be tested and ready for start-up on October 1, 2005.
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