Aker Solutions to Deliver 6 More Trees to Statoil’s Giant Troll
Aker Solutions has been awarded a contract by Statoil to deliver six subsea trees and a tool package for Troll on the Norwegian continental shelf. Estimated contract value is NOK 350 million.
Scope of work includes six subsea trees, with a possible option for nine further subsea trees, including control systems.
The Troll field lies in the northern part of the North Sea, around 65 kilometres west of Kollsnes, near Bergen. The field comprises the main Troll East and Troll West structures in blocks 31/2, 31/3, 31/5 and 31/6. Containing about 40 percent of total gas reserves on the Norwegian continental shelf (NCS), it represents the very cornerstone of Norway’s offshore gas production. Troll is also one of the largest oil fields on the Norwegian continental shelf. In 2002 the oil production was more than 400,000 barrels per day.
The enormous gas reservoirs lying 1,400 metres below sea level are expected to produce for at least another 70 years.
Under this contract, Aker Solutions will deliver equipment to the oil section of Troll.
“Having been involved in Statoil’s Troll projects from the beginning in 1996, we are proud to still play a part in this industrial milestone. The Troll field represents a cornerstone of Norway’s offshore oil and gas production and we are delighted to be awarded such a prestigious North Sea contract,” says Alan Brunnen, executive vice president of Aker Solutions’ subsea business area.
The Troll A gravity-based production platform is the tallest structure ever moved by humans over the surface of the Earth. Its concrete support section has been built for a producing life of 70 years. The platform is the only one of its kind on the NCS that is powered electrically from land. The Troll field is also the world’s biggest subsea development with regards to the number of subsea wells. Last year, Aker Solutions reached a major milestone in delivering the 100th subsea tree to the Troll field. The contract awards and deliveries for Troll have helped to shape and develop Aker Solutions’ subsea business.
A subsea tree is a key technology enabling oil and gas production directly from a subsea well to a processing facility. The tree is essentially an advanced set of valves and is used together with associated technologies to control the well flow. The subsea tree is an integral part of a subsea production system. The tool package is needed to operate the fourth rig to be employed by Statoil on the Troll field.
Aker Solutions’ contract party is Aker Subsea AS. Equipment deliveries will be made from 2012 to 2015.
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