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补偿声波测井扩径校正方法

孔庆丰

石油地球物理勘探2024,Vol.59Issue(3):543-547,5.
石油地球物理勘探2024,Vol.59Issue(3):543-547,5.DOI:10.13810/j.cnki.issn.1000-7210.2024.03.017

补偿声波测井扩径校正方法

Borehole expanding correction method for compensated acoustic logging

孔庆丰1

作者信息

  • 1. 中国石化胜利油田分公司物探研究院,山东东营 257022
  • 折叠

摘要

Abstract

Accurate acoustic logging data plays an important role in the time-depth conversion of seismic data,synthetic seismogram preparation,seismic inversion,and reservoir modeling.Compensated acoustic logging with two transmitters and two receivers can effectively eliminate the influence of borehole diameter and mud,and eliminate the depth error between recording and measuring points.However,when the borehole enlarge-ment is greater than the correction threshold,the anomalies that cannot be eliminated will occur.Based on the parameters of a compensated acoustic logging instrument with two transmitters and two receivers and Fermat's principle of least time,the travel path of the head wave was analyzed under different borehole expanding condi-tions,and the interval transit time correction formulas corresponding to the three cases were derived.The study results show that by applying derived correction formulas to process and correct the actual acoustic interval tran-sit time data,the interval transit time is more reasonable and closer to the real value of the stratum.Finally,the effectiveness of the method is verified by application examples.

关键词

补偿声波测井/校正门限/扩径校正/费马时间最小原理/传播路径

Key words

compensated acoustic logging/correction threshold/caliper expanding correction/Fermat's principle of least time/travel path

分类

天文与地球科学

引用本文复制引用

孔庆丰..补偿声波测井扩径校正方法[J].石油地球物理勘探,2024,59(3):543-547,5.

基金项目

本项研究受中国石油化工股份有限公司重大科技攻关项目"井中激发三维地震关键技术研究"(P20055-2)资助. (P20055-2)

石油地球物理勘探

OA北大核心CSTPCD

1000-7210

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