As a new application in oil production the acoustic wave technique has an effective influence on waxcontrol and viscosity reducing.
作为物理法采油技术的一种新应用，声波技术在原油防蜡降粘方向取得了有效的应用效果。
2
Magnetic wax controllor test had been done for two years, although the result was good, to control the oil delivery temperature near the pour point was difficult.
采用磁防蜡器经两年试验，效果虽好，但输油温度要控制在凝固点附近而不易做到。
3
This paper introduces the morphological characters and biological characters of the wax insect, and expounds the control features and prevention methods of the wax insect.