Abstract

A necessity of under ground storage of gas was felt to meet the seasonal Gas requirement of Europe and America. The concept of gas storage near the consumption areas, during the off Demand period and usage in peak Demand (winters) was a useful idea. The three basic facilities fulfill this requirement are a) Depleted reservoirs b) Aquifers c) Salt Caverns. These facilities essential are to be re-conditioned for pumping in and out the petroleum in Gaseous or liquid form. This was the point of modest beginning for the salt caverns petroleum storage. Underground salt formations offer an option for natural gas storage. These formations are well suited to storage in salt caverns, once formed; allow little injected natural gas to escape from the formation unless specifically extracted. Essentially, salt caverns are formed out of existing salt deposits. These underground salt deposits may exist in two possible forms: salt domes, and salt beds. Salt domes are thick formations created from natural salt deposits that, over time, leach up through overlying sedimentary layers to form large dome-type structures.