大陆科学钻探预先导孔井短源距声波资料处理及解释
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摘要
对预先导孔井中测得的短源距声波测井资料进行了实际处理 ,并编制出短源距声波资料处理程序。提取出其中的纵波、横波速度信息 ,并与实验室岩心声波测量结果和测井结果进行了对比。根据提取的井剖面纵横波速度资料和该井段测得的密度测井资料 ,估算出该地层的岩石力学参数
We processed the short spacing sonic data of 14 cores at different depths in CCSD-PPII (China Continental Science Drilling Pre-borehole) and worked out a processing program for the data. At the same time, we compared the calculated results with those in laboratory. With the measured P and S wave velocities and log-derived densities of the same interval, rock mechanical parameters of this pre-borehole are roughly calculated.