Statoil has awarded DeepOcean a contract to provide project management, engineering, procurement of anchors for risers and umbilicals, and offshore installation activities on the Snorre Expansion Project in the North Sea.
The offshore work includes installation of six integrated subsea template structures and manifolds, and installation of riser systems and umbilical systems on the Snorre A production platform.
The onshore project team will work out of DeepOcean’s offices in Haugesund and Stavanger, Norway. Offshore execution will be performed with DeepOcean’s construction vessel Edda Freya in 2019 and 2020.
Statoil is planning to start production from a US$2.27 (NOK19 billion) expansion project on its Snorre field in the Norwegian North Sea by 2021, tapping an additional 200 MMbo from the field and extending its life out to at least 2040.
The field, discovered in 1979, in 300-380m water depth, in the Tampen area, and producing since 1992, was originally thought to contain 750 MMbo recoverable reserves.
To date, Snorre has produced 1.4 billion bo, with 46% recovery rate. With the Snorre Expansion Project, which will see 24 new wells drilled (12 production and 12 water aternating gas injection), from six new subsea templates, the recovery rate will increase to 51%, says Statoil.
On 21 December, Statoil submitted a plan for development and operation (PDO) for the Snorre Expansion Project - which it calls the largest improved oil recovery project on the Norwegian Continental Shelf - and announced contract awards for the subsea production system with TechnipFMC, fabrication and installation of the pipeline bundle system with Subsea 7, modification work on Snorre A with Aibel and a rig with Transocean.
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