Major Authorized International Constructor within larger concrete enterprises on- and offshore. High competence in oil- and gas related activities in Norway and China since 1980. Oil Well Closure and Protection is a company serving the oil and gas industry that has as its purpose to protec the oil and gas industry in the event of a blowout of oil or petroleum at large dept whilst drilling. The container is largely produced in concrete with sandwich walls or steel. Capacity of the container is variable in height and width, weight is from ca. 5.000 tons to 12.000 tons. The container is placed on the bottom of the ocean with a strike of oil. The different dimensions of the container is developed in cooperation with the oil company and in accordance to its requirements, technical solutions taken in consideration.