标准摘要
[中文适用范围]： 本文件规定了采用X射线衍射法测试矿物组成的原理、仪器、材料、实验条件、采样与组成分析步骤，以及根据矿物组成计算页岩脆性指数的方法和精密度要求。 本文件适用于页岩气生产中的储层质量评价和甜点识别。 [外文原描述]： This document specifies the principles, instruments, materials, experimental conditions and the sampling and composition analysis steps required for testing mineral composition using the X-ray diffraction method, as well as the method and precision requirements for calculating shale brittleness index based on mineral composition. This document is applicable to reservoir quality evaluation and sweet spot identification in shale gas production.
英文名称Natural gas upstream area — Determination and calculation of shale brittleness index — Part 1: Determination of shale mineral characteristics based on X-ray diffraction method