Total Awards Tyra Monitoring Work to Emerson

November 25, 2019

(Photo: Total)
(Photo: Total)

Emerson announced on Monday it has been awarded a contract from Total to provide wellhead pressure monitoring technology to enhance safety during the multi-year redevelopment project to extend the life of Denmark’s biggest gas field.

The Tyra field in the Danish part of the North Sea has been in production for more than 30 years but is today suffering from seabed subsidence. Since production started in the 1980s, the seabed has subsided by more than five meters, reducing the air gap between the sea level and the bottom of the platforms. In order to keep the Tyra field in production, Total E&P Denmark is replacing the existing wellhead platforms with new and elevated topsides. The 13-meter-high jacket extensions and new topsides will be installed on top of the existing jacket structures.

The $3.3 billion investment in the redevelopment is the biggest ever in the Danish North Sea. Once completed, Tyra is expected to produce more than 200 million barrels of oil equivalent. The current Tyra field has two production complexes, Tyra East and Tyra West, which are linked to satellite fields Harald, Roar, Svend, Tyra Southeast and Valdemar.

During the two-year shut-in, Emerson technology will monitor wellhead casing pressures as a safety measure. With power and cable infrastructure unavailable, a wireless and battery-powered solution is required. Emerson will provide more than 200 Rosemount wireless pressure transmitters to be installed on the four riser platforms. The devices will transmit data to two standalone Emerson DeltaV PK Controllers, to be installed on the offshore accommodation platforms. Data will be presented to construction workers locally on human machine interfaces and relayed to an onshore monitoring point and data historian.

Roel van Doren, president of Emerson Automation Solutions in Europe. “The ability to offer a complete solution capable of providing real-time measurement and awareness to help Total monitor and respond to pressure changes safely was a key factor in the use of Emerson technology.”



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