Calculation of Well Head Temperature of Geothermal Water Well
Shen Jianian(Dept of Petroleum Prospecting, Daqing Petroleum Institute, Anda, Heilongjiang, China, 151400)
Water is the carrying agent of making use of geothermal energy. On the basis of model of steady state of two dimensional semi infinite vertically buried tube and Newton exchange heat formula, the outside heat release coefficient is deduced from vertical tube in different depth of geothermal water well to ambient medium. The shallow rock heat conductivity value of Lindian Region is calculated by examples. And this value is tested and verified .According to the formula that calculates node temperature in tube engineering, calculation process for well head temperature of geothermal water well is provided by iterative method whose step is 10 m.
【CateGory Index】： P314.3