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ISO 24835-1:2025

Natural gas upstream area — Determination and calculation of shale brittleness index — Part 1: Determination of shale mineral characteristics based on X-ray diffraction method

Nov 19, 2025

General information

60.60     Nov 19, 2025

ISO

ISO/TC 193/SC 3

International Standard

75.060  

English  

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Scope

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.

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PUBLISHED
ISO 24835-1:2025
60.60 Standard published
Nov 19, 2025