一种基于Hough变换的地层压力测试资料解释图版  

An Interpretation Plot for Formation Pressure Testing Data Based on Hough Transform

作　　者：康晓泉 孙利国 胡友良 

机构地区：[1]中国石油长城钻探工程有限公司解释研究中心,北京100101

出　　处：《测井技术》2013年第1期63-66,共4页Well Logging Technology

基　　金：中国石油天然气集团公司国际综合研究项目"MIS油田碳酸盐岩储层综合评价"资助

摘　　要：提出了用于地层压力测试资料解释的一种图版,详细讨论了图版的生成过程和应用中的标准化。地层压力测试数据采用增强的Hough变换方法处理后,直接在Hough空间指定区域内显示出流体密度,该区域称为流体密度图版。图版的标准化过程包括深度和压力轴的选择、基线的确定、密度轴的线性刻度、区域化母版、曲线和交点显示方式等。在地层压力资料解释中,流体密度图版清楚地显示流体密度的变化,可以进行压力点密度计算解释有效性识别和流体类型判断。实际测井资料应用表明,该图版适合在地层压力剖面数据解释中推广应用。Introduced is an interpretation plot for formation pressure testing data processing. Given are detailed steps how the plot is created and normalization in the application. The data, processed with enhanced Hough transform, can directly indicate or display fluid density in Hough space. The fluid density chart is defined as an appointed area in Hough space. The normalization of fluid density chart includes depth and pressure definition, the calibration of density axis, regional template standard and curve intersection display. The fluid density chart clearly display the density changes, so we can judge which formation pressure measurement points could be used for calculating fluid density efficiency and fluid types. Practical application proves that this method improves the interpretation method of wireline formation test data.

关 键 词：地层压力测试 HOUGH变换 流体密度图版 标准化 流体识别 

分 类 号：P631.84[天文地球—地质矿产勘探]