US shale reserves have aroused much excitement among E&P companies. EIA added fuel to this hype with its recent report declaring that US had the second largest shale reserves in the world comprising a total of 58 billion barrels.
However, there are a number of factors to consider before shale can be made commercially viable. Some analysts feel that shale is not a long-term and sustainable option as it requires producers to invest too much to continue production. It is also noted that shale oil extraction reduces by about 70 percebt after the first...


