DRILL PIPE CORROSION FATIGUE LIFE PREDICTION BY USING FAILURE ASSESSMENT DIAGRAM TECHNIQUE

摘要

Failure Assessment Diagram (FAD) technique has been widely used in quantitative engineering safety evaluation system of equipment that contains crack-like flaws. A computer calculating method, which is combined with FAD technique for predicting the corrosion fatigue life of drill pipe, was established by us. Drill pipe nondestructive inspection data of oil field were collected to verify the applicability of this method. This paper intends to give a summary of the research results and to introduce the characteristics of the computational software.