mutual energy strategy in relations of russia and eu

the concept of energy security has been changed into one of the key and controversial concepts in international relations and energy economy in the recent years. the literature of this concept has more developed in europe. because, european countries supply their major needs by imports. hence, russia as one of the main energy suppliers of europe :union: uses leveraging energy for closer to europe. in this regard, one of the main purposes of european :union: is to decrease dependency to russia in the field of energy and finding alternative ways. these european attempts have been unable to obtain successfully so far. the main question of this study is that: in the relationship with european countries, russia is faced with what opportunities? the main hypothesis: the strategy of russia energy constantly is that, russia as an oil empire is able to play geopolitical role in energy and it tries to use russian energy supplies and pipeline monopoly for supplying its interests in eurasia, especially in the relation with european :union: for more dependency to itself.