4 - The Norwegian North Sea



Lower Jurassic Bridport sandstone, Dorset, England. High porosity, good reservoir quality sandstone with calcite cemented beds and nodules, deposited in a shallow marine environment. The thickness of the sandstone formation in this area is 40-50 m. The Bridport sandstone has been regarded as a reservoir analog for the Sognefjord Formation in the Troll area.
Photo: NPD.