Deepsea Atlantic

Statoil has reported that drilling has started drilling the first of 35 production wells in the Johan Sverdrup field development’s first phase in the North Sea using the Deepsea Atlantic rig.

Johan Sverdrup project senior vice-president Kjetel Digre said: "The Deepsea Atlantic drilling rig is currently predrilling the first production well for the first phase of the Johan Sverdrup development.

"Predrilling allows the production capacity on the field to be utilised as efficiently as possible when Johan Sverdrup has come on stream late in 2019."

Deepsea Atlantic, owned by Odfjell Drilling, is drilling the well through a predrilling template that was installed on Johan Sverdrup in summer 2015.

Prior to moving the rig to drill injection wells on three locations on the field, a total of eight wells will be drilled through the template.

The permanent Johan Sverdrup drilling platform is being constructed at Aibel’s yard in Haugesund, north of Stavanger, as well as in Thailand. It is planned to be installed as the second of four platforms in 2018.

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"Predrilling allows the production capacity on the field to be utilised as efficiently as possible when Johan Sverdrup has come on stream late in 2019."

Once it is installed and operational, the eight predrilled wells will be hooked up from the predrilling template and Deepsea Atlantic will start drilling the wells providing reservoir pressure support to maintain high field production.

Digre added: "Deepsea Atlantic is a good rig and everything is set for a safe and cost-effective drilling operation on Johan Sverdrup. This is vital to ensure production start from the field at the end of 2019."

Baker Hughes is serving as the drilling service provider for the project as part of a Nkr1.5bn ($172m) contract it secured in July 2015.

Statoil awarded Nkr4.35bn ($499m) contract to Odfjell Drilling in June 2015 to provide rig and drilling services on Johan Sverdrup.

The Johan Sverdrup field is operated by Statoil with a 40.0267% interest. The remaining partners include Lundin Norway (22.6%), Petoro (17.36%), Det norske (11.5733%) and Maersk Oil (8.44%).

Image: Happiness onboard the Deepsea Atlantic drilling rig. Photo: courtesy of Arne Reidar Mortensen/Statoil.