sony2009 : Hi: Ng_Nm Where the article come from... I am interest to read originally. if it is possible thank you https://docs.google.com/viewer?url=http%3A%2F%2Fschlumberger-india.com%2F~%2Fmedia%2FFiles%2Fresources%2Foilfield_review%2Fors11%2Faut11%2F04_shale_gas_revolution.pdf ...
