Russia has 7.2 billion tons of difficult to produce, high-viscosity (over 3
0 mPa.sec) crude oils. The reserves of these crudes are concentrated in 267
fields [1]. The Russian field located within the Polar circle - in the Gas
Region of the Yamal-Nenets Autonomous District in Tymnen Oblast, is one of
the largest. This field, opened in 1968, has total crude oil reserves of u
p to 1.5 billion tons. Its industrial exploitation has not yet begun.