Tide Minister's Secretariat General Policy Division, Overseas Economic Research engagement of overseas economies
Overview crude oil price of studying tight oil from the ground, sometimes affect the stock market and bond market have focused also President of the United States in the trend. In this paper, the tight oil, including the presence and became shale oil can not be overlooked in terms of grasping the trend of crude oil prices, summarizes the basic matters. The tight oil, is a generic term for tight sand oil (tight sand oil) and shale oil (shale oil), it refers to a crude oil that is included in the very low porosity permeability (= tight) sandstone. Both, although the difference in the price has a conventional crude oil and equivalent components without, different endowments forms and the normal crude oil, not been made full-scale production until recently due to technical problems such as from it it was, also referred to as a non-conventional crude oil. Tight sand oil, more than the split of the reserves that have been identified are present in Venezuela and Canada.