基于最小二乘法的成像测井中井径偏心图像校正方法研究  

Correction Researchthat Respect to the Caliper Eccentric Image Based-on Least Squares in Imaging Logging

作　　者：张健[1] 

机构地区：[1]长江大学计算机科学学院,荆州434023

出　　处：《科学技术与工程》2014年第6期77-81,86,共6页Science Technology and Engineering

基　　金：国家973项目(2007CB209607);国家自然科学基金(40727001;40774073)资助

摘　　要：通过对超声成像测井过程中因测井仪器工作中出现偏心状况而造成采样图像中出现垂直暗条特征的分析,提出针对此类问题的偏心修正算法。通过理论分析与实际测井资料的处理验证并进行效果比对;证明:该方法为进一步改善井径图像成像质量、提高后期测井资料解释处理的精确度提供了有效的解决方案。Through the analysis of that ultrasonic imaging well logging in eccentric condition for logging instrument in the process of work caused by sampling the image appear vertical dark features,the eccentricity correction algorithm for such problem is put forward.Through the theoretical analysis and the actual effect of logging data validation and comparison,practice has proved that the method in order to further improve the caliper image imaging quality and Late to improve the accuracy of the logging data interpretation processing provides effective solution.

关 键 词：最小二乘法 成像测井 井径偏心 图像校正 

分 类 号：P631.814[天文地球—地质矿产勘探]