Protection of hotwater line of geothermal water from wells GTD-1,2,3 in Durkov

The geothermal energy nowadays belongs to the most interesting, renewable, progressive and ecologically pure energies. Its utilization began long ago, but because the development and exploration show that fossil fuels are depletable in 40 - 50 years, it is needed to pay a greater attention to perspective and economically advantageous energies, among which the geothermal energy indisputably belongs. Since the development continually advances also in the drilling technique and technology, it is necessary to conform to this trend and to develop such technologies, procedures and devices, which would, unlike to those currently used, save time, machinery, environment and would be economically more acceptable.On the basis of results of injection pump tests and physical-chemical analyses it was found out that geothermal water is strongly mineralized. Depending on the manipulation method and exploitation water tends to form incrusts and also is significantly corrosive. To prevent this undesirable formation of the corrosion and incrustation, some geothermal water inhibitors were tested. (authors)