THE DYNAMIC PREDETERMINATION OF WELL TEMPERATURE IN HIGH ENERGY GAS FRACTURE

This paper studies emphatically the variation laws of well temperature with the time in high energy gas fracture.The measured data published by USA are processed by the computation method of explosion mechanics,and the method to calculate and predetermine quantitatively the variation laws of temperature with time is obtained in the light of that of pressure with time.The study results in this paper,which tally basically with that of USA and the former Soviet Union,show that the downhole temperature after explosion is far lower the instantaneous temperature when the gunpower explodes.This paper points out that we can control the burning rate and detonation pressure by changing the ignition pattern,and the control the well temperature,and that we can seek the way to remove the plugging applying the variation process of well temperature.These results provide theorical basis for the field applications of high energy gas fracture.