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We offer an algorithm of energy calculation of A n B m binary alloy as the function of its composition in disordered state and after annealing using the rigid sphere approximation and pair interatomic potentials to describe interactions between atoms. As an example of application of this algorithm we consider alloys based on the fcc lattice and take into account interatomic interactions up to the second coordination sphere.

The article discusses a mathematical model of the electrothermal process of heating the formation with a microwave electromagnetic wave, which is caused by electrical devices capable of operating under high pressure. The issues of using microwave dielectric heating to reduce the viscosity of oil-bearing deposits, which will increase the efficiency of their production, are considered. The article presents an in-depth analysis of various existing and promising methods of ensuring the production of high-viscosity oil and shows the advantages of the thermal method, and on the basis of calculations using mathematical and computer models-the prospects for using microwave radiation. Models of the electromagnetic field are shown that provide uniform heating of the sediment to a sufficient depth. The results of the work create and substantiate the basis for the development of a new technology for thermal increase in the efficiency of oil production, primarily in combined oil fields and northern regions, which are characterized by high oil viscosity.

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