基于常规测井资料计算岩石力学参数方法对比
Comparison of the Methods for Calculating Rock Mechanical Parameters Based on Conventional Logging Data
刘同庆 1展茂征 1黄涛 1周明磊 2董富勇1
作者信息
- 1. 山东省煤田地质局第五勘探队 济南 250104
- 2. 山东省煤田地质规划勘察研究院,济南 250104
- 折叠
摘要
通过探讨岩石力学参数之间的联系,总结前人由常规测井数据计算预测岩石力学参数的几种不同方法以及各种方法在相应的工程领域中的应用情况,梳理了测井数据计算岩石力学参数的6种方法,即GRISTENSEN法、经验公式法、泥质含量法、回归分析法、Hoek-Brown准则预测法、破裂压力法.在无实验测试数据的情况下,利用段家地南井田常规测井数据,应用GRISTENSEN法、经验公式法、泥质含量法分别计算横波时差.通过在纵向分辨率、平面展布相似性2个方面比较3种计算方法,认为在沉积地层中,考虑泥质含量的预测方法更加符合工程应用实际.
Abstract
In the process of mining and construction,rock mechanics data are indispensable parameters.In this paper,the relationship between rock mechanics parameters is discussed.Several different methods for predicting rock mechanical parameters from conventional logging data and their application in corresponding engineering fields are summarized.Six methods for calculating rock mechanical parameters from logging data are sorted out,namely Cristensen prediction method,empirical formula method,argillaceous content method,regression analysis method,Hoek-Brown criterion prediction method and fracture pressure method.In the absence of experimental test data,Cristensen prediction method,empirical formula method and shale content method are used to calculate the shear wave time difference by using the conventional logging data of the south well field.By comparing the three calculation methods in vertical resolution and plane distribution similarity,it is considered that the prediction method considering shale content in sedimentary strata is more suitable for engineering application.
关键词
常规测井/岩石力学参数/方法对比/工程应用Key words
conventional logging/rock mechanical parameters/methods contrast/engineering application引用本文复制引用
基金项目
山东省煤田地质局科研专项任务项目(2023)(鲁煤地科字[2023]29号)
新疆昌吉州准南煤矿区水害探测关键技术及示范课题(KCZT2022-009)
出版年
2024
NETL
NSTL
万方数据