地震波速分析地层压力方法及压力预测分析系统介绍

INTRODUCTION OF CPPAS AND FORMATION PRESSURE PREDICTION BY USING SEISMIC VELOCITY

钻前地层压力预测资料，不但是寻找油气的具体依据，而且是确保安全钻井的重要信息。阐述了利用地震速度预测地层压力的原理。介绍了5种计算压力的方法及压力预测分析系统（CPPAS）。CPPAS在中国海域实际应用中取得了良好的地质效果。

Predrilling formation pressure prediction is not only important for prospecting oil and gas but also essential for safty drilling. This paper summarizes the principles of formation pressure prediction by using seismic velocity, and introduces five methods for pressure calculation. A software package of pressure prediction and analysis system (CPPAS) has been proved to be effective in the practice in China offshore basins.