Study of Erosion on Metal Materials for High Pressure Pipe Manifolds

摘要

The fracturing fluid with solid particles in the process of high-speed injects to high pressure pipe manifolds will cause serious erosion damage, lead to serious material loss and equipment failure. Thus the prevention of erosive wear on high pressure pipe manifolds is regarded as one of the most important problems in practical engineering. In this paper, a new type of test machine was developed to simulate the erosive wear behavior of metal materials caused by the multiphase fluid such as fracturing fluid, and study the erosion failure mechanism by various metal erosion influencing factors including the velocity of multiphase flow, solid particles of fracturing prop pant and impact angles, etc. The erosion-wear experiments on 30CrMo steels used in high-pressure pipe manifolds is described in detail. Finally, the microcosmic surface testing was also used to analyze the erosion failure mechanism of metal materials for high pressure pipe manifolds.