Storage Tanks are structures of various materials, usually cylindrical, which are used to store and / or preserve liquids or gases at ambient pressure, so that in certain technical means are given the qualification of Atmospheric Storage Tanks. Storage tanks are usually used to store liquids, and are widely used in the gas, oil, and chemical industries, and mainly their most notable use is that given in refineries for their requirements for the storage process, whether temporary or prolonged, of products and by-products that are obtained from their activities.