Statoil announced Tuesday that the Deepsea Atlantic (UDW semisub) has commenced production drilling on the first of a total of 35 wells scheduled to be drilled in the first phase of the Johan Sverdrup field development.
The rig is drilling the first production well through a predrilling template that was installed on the field in the summer of 2015. A total of eight wells will be drilled through the predrilling template, before the rig is relocated to drill injection wells on three locations in the field. In 2018 the permanent Johan Sverdrup drilling platform will be installed as the second of four platforms.
The drilling platform is currently being constructed at Aibel’s yard in Haugesund, north of Stavanger, and in Thailand. When the drilling platform is installed and operational, the eight predrilled wells will be hooked up from the predrilling template. At this point, Deepsea Atlantic will be drilling the injection wells providing reservoir pressure support to maintain “high field production”, according to a company statement.
Johan Sverdrup is one of the five biggest oil fields on the Norwegian continental shelf, with expected resources of between 1.7 and 3 billion barrels of oil equivalent. Peak production from the field will be equivalent to 25 percent of all Norwegian petroleum production. Daily production during first phase of the Johan Sverdrup project is estimated to be between 315,000 and 380,000 barrels per day, with peak production estimated to reach between 550,000 and 650,000 barrels daily.
Kjetel Digre, senior vice president for the Johan Sverdrup project at Statoil, said in a company statement:
“The Deepsea Atlantic drilling rig is currently predrilling the first production well for the first phase of the Johan Sverdrup development. This is a central operation in a complex Johan Sverdrup puzzle. 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. This way, we maximize value from the field from day one.”
“Statoil and the drilling service providers have worked as an integrated team in planning the drilling operation. 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.”
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