IKM Ocean Design inks Johan Sverdrup hot-tap contract


STAVANGER, Norway -- An engineering, procurement and construction contract for the Johan Sverdrup gooseneck spool and retrofit hot-tap tee has been awarded to IKM Ocean Design by Statoil on behalf of pipeline operator Gassco. Part of the gas export solution from the field, the assignment will take about two years to complete. 

“We’re pleased to award the contract to IKM Ocean Design,” said Svein Birger Thaule, executive V.P. for asset management at Gassco. “We believe this supplier will help us put in place a good and safe gas export solution for the field. The project will moreover be extremely important in ensuring gas deliveries for our Kårstø processing plant.”

Three-dimensional model of the gooseneck spool and retrofit hot-tap tee. Image: IKM Ocean Design.

Johan Sverdrup lies in the Norwegian North Sea, about 40 km south of Grane, 65 km north of Sleipner and 140 km west of Stavanger.

Its gas will be exported to Kårstø via a new 18-in pipeline, tied into the Statpipe rich-gas leg from Statfjord with the aid of hot tapping and connection to a 30-in retrofit tee.

Diverless installation

Installation will be diverless, using hot tapping equipment from the pipeline repair system (PRS) base in Haugesund.

Johan Sverdrup is one of the five largest oil fields on the Norwegian Continental Shelf. With estimated resources of 1.7 Bbbl to 3 Bbbl, it will rank as one of Norway’s most important industrial projects over the next half-century.

The field is due to come on stream in December 2019, and to continue producing for 50 years.

Gassco will serve as the operator and technical manager of the 156-km pipeline from the riser platform on Johan Sverdrup to the Statpipe rich-gas leg once the field comes on stream. Statoil is the development operator.

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