... снижение до10% экспортной пошлины, что выводит на уровень рентабельности добычу сверхвязкой нефти. In 2005 JSC "Tatneft" program was adopted to develop the reserves of heavy oil and natural bitumen. This was due to the fact that the oil fields of Tatarstan are at alate stage of development. This stage is characterized by a gradual deteriorationin the quality of oil, trudnoizvlekaemostyu remaining reserves. Most newly ...

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