The Alder Field brings a new stream of natural gas to Chevron’s production portfolio and the United Kingdom. Yet this North Sea asset is no newcomer to the country’s energy scene.
Discovered in 1975, development of the gas condensate field was considered impossible, due to the challenges of high pressures and high temperatures in the field's reservoir, lying 14,700ft (4,480m) beneath the seabed.
Nearly 40 years later, the right combination of technology, infrastructure for processing and export, and commercial conditions made the project viable. Chevron announced its investment decision in January 2014.
The project has a design capacity of 14,000 barrels of condensate and 110 million cubic feet of natural gas per day.
Alder, located 100 miles (160 km) east of Scotland in the Central North Sea, is being developed using a single subsea well tied back to an existing gas condensate field, Britannia, via a 17.4 mile (28 km) production flowline. Produced gas condensate (a mixture of hydrocarbon liquids from natural gas) will be processed in new dedicated facilities on the Britannia platform. Condensate and gas will be exported to Scotland-based terminals at Grangemouth and the Scottish Area Gas Evacuation, St Fergus, respectively.
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